Example usage for org.apache.commons.lang3 ClassUtils primitiveToWrapper

List of usage examples for org.apache.commons.lang3 ClassUtils primitiveToWrapper

Introduction

In this page you can find the example usage for org.apache.commons.lang3 ClassUtils primitiveToWrapper.

Prototype

public static Class<?> primitiveToWrapper(final Class<?> cls) 

Source Link

Document

Converts the specified primitive Class object to its corresponding wrapper Class object.

NOTE: From v2.2, this method handles Void.TYPE , returning Void.TYPE .

Usage

From source file:jp.furplag.util.commons.NumberUtilsTest.java

/**
 * {@link jp.furplag.util.commons.NumberUtils#round(Number)}.
 *///from  ww w .  ja  va  2 s  .  c om
@Test
public void testRoundT() {
    try {
        for (Class<?> type : NUMBERS) {
            Object o = null;
            Object expected = null;
            if (ObjectUtils.isAny(ClassUtils.primitiveToWrapper(type), Float.class, Double.class)) {
                o = ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class).invoke(null,
                        Double.toString(Math.PI));
                expected = ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class).invoke(null,
                        "3");
            } else if (BigDecimal.class.equals(type)) {
                o = new BigDecimal(Math.PI);
                expected = new BigDecimal("3");
            } else if (BigInteger.class.equals(type)) {
                o = new BigDecimal(Math.PI).toBigInteger();
                expected = new BigDecimal("3").toBigInteger();
            } else {
                o = ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class).invoke(null, "3");
                expected = ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class).invoke(null,
                        "3");
            }
            assertEquals(o + "(" + o.getClass() + "): " + type.getSimpleName(), expected, round((Number) o));
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage() + "\n" + Arrays.toString(e.getStackTrace()));
    }
}

From source file:jp.furplag.util.commons.NumberUtilsTest.java

/**
 * {@link jp.furplag.util.commons.NumberUtils#round(Object, Class)}.
 *///from www . j  a  va2s.  c  o m
@SuppressWarnings("unchecked")
@Test
public void testRoundObjectClassOfT() {
    try {
        for (Class<?> type : NUMBERS) {
            Object expected = null;
            if (ClassUtils.isPrimitiveOrWrapper(type)) {
                expected = ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class).invoke(null,
                        "3");
            } else {
                Constructor<?> c = type.getDeclaredConstructor(String.class);
                expected = c.newInstance("3");
            }
            assertEquals("PI: " + type.getSimpleName(), expected,
                    round(Math.PI, (Class<? extends Number>) type));
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage() + "\n" + Arrays.toString(e.getStackTrace()));
    }
}

From source file:com.github.javalbert.reflection.ClassAccessFactory.java

private void visitMethodIndexReturnStatements(MethodNameReturnIndex methodIndex, Label defaultCaseLabel) {
    Label jumpLabel = methodIndex.returnIndexLabel;

    List<MethodInfo> methods = methodIndex.methods;
    for (int i = 0; i < methods.size(); i++) {
        MethodInfo methodInfo = methods.get(i);
        Class<?>[] parameterTypes = methodInfo.method.getParameterTypes();

        mv.visitLabel(jumpLabel);//  w  w  w. ja  va2  s.  c om
        mv.visitFrame(F_SAME, 0, null, 0, null);
        mv.visitVarInsn(ALOAD, 2);
        AsmUtils.visitZeroOperandInt(mv, parameterTypes.length);
        mv.visitTypeInsn(ANEWARRAY, "java/lang/Class");

        for (int j = 0; j < parameterTypes.length; j++) {
            mv.visitInsn(DUP);
            AsmUtils.visitZeroOperandInt(mv, j);

            Class<?> parameterType = parameterTypes[j];
            if (parameterType.isPrimitive()) {
                mv.visitFieldInsn(GETSTATIC, Type.getInternalName(ClassUtils.primitiveToWrapper(parameterType)),
                        "TYPE", "Ljava/lang/Class;");
            } else {
                mv.visitLdcInsn(Type.getType(parameterType));
            }

            mv.visitInsn(AASTORE);
        }

        mv.visitMethodInsn(INVOKESTATIC, "java/util/Arrays", "equals",
                "([Ljava/lang/Object;[Ljava/lang/Object;)Z", false);

        jumpLabel = i + 1 >= methods.size() ? defaultCaseLabel : new Label();
        mv.visitJumpInsn(IFEQ, jumpLabel);

        mv.visitLabel(new Label());
        AsmUtils.visitZeroOperandInt(mv, methodInfo.memberIndex);
        mv.visitInsn(IRETURN);
    }
}

From source file:jp.furplag.util.commons.NumberUtilsTest.java

/**
 * {@link jp.furplag.util.commons.NumberUtils#round(Object, Number, RoundingMode, Class)}.
 *///w  w w  .  j a v  a2  s . c  o m
@SuppressWarnings("unchecked")
@Test
public void testRoundObjectNumberRoundingModeClassOfT() {
    assertEquals("null", null, round(null, null, null, null));
    try {
        for (Class<?> type : NUMBERS) {
            Object expected = null;
            if (ObjectUtils.isAny(ClassUtils.primitiveToWrapper(type), Float.class, Double.class)) {
                expected = ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class).invoke(null,
                        "3.14");
            } else if (ClassUtils.isPrimitiveOrWrapper(type)) {
                expected = ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class).invoke(null,
                        "3");
            } else {
                expected = new BigDecimal("3.14");
                if (BigInteger.class.equals(type))
                    expected = ((BigDecimal) expected).toBigInteger();
            }
            assertEquals("PI: " + type.getSimpleName(), expected,
                    round(Math.PI, 2, RoundingMode.HALF_UP, (Class<? extends Number>) type));
            if (ObjectUtils.isAny(ClassUtils.primitiveToWrapper(type), Float.class, Double.class)) {
                expected = ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class).invoke(null,
                        "3.15");
            } else if (ClassUtils.isPrimitiveOrWrapper(type)) {
                expected = ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class).invoke(null,
                        "3");
            } else {
                expected = new BigDecimal("3.15");
                if (BigInteger.class.equals(type))
                    expected = ((BigDecimal) expected).toBigInteger();
            }
            assertEquals("PI: " + type.getSimpleName(), expected,
                    round(Math.PI, 2, RoundingMode.CEILING, (Class<? extends Number>) type));
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage() + "\n" + Arrays.toString(e.getStackTrace()));
    }
}

From source file:jp.furplag.util.commons.NumberUtilsTest.java

/**
 * {@link jp.furplag.util.commons.NumberUtils#subtract(java.lang.Object, java.lang.Number, java.lang.Class)}.
 *///w  w w. j av a 2s .  co m
@SuppressWarnings("unchecked")
@Test
public void testSubtractObjectNumberClassOfT() {
    assertEquals("null", null, subtract(null, null, null));
    assertEquals("null", null, subtract("123.456", null, null));
    assertEquals("null", null, subtract("123.456", 1, null));
    assertEquals("null", null, subtract("", 10, null));
    assertEquals("null", null, subtract(null, 10, null));
    assertEquals("null", null, subtract(123.456, 10, null));
    assertEquals("123.456 - .456", (Object) 123, subtract(123.456, .456, int.class));
    assertEquals("123.456 - .456: Float", (Object) 123f, subtract(123.456, .456, Float.class));

    assertEquals("123.912 - .456: Float", (Object) 123.456d, subtract(123.912, .456, Double.class));
    assertEquals("123.912 - .456: Float", (Object) 123, subtract(123.912, .456, Integer.class));

    assertEquals("123.456 - .456: Float", (Object) Float.class,
            subtract(123.912d, .456, Float.class).getClass());
    assertEquals("123.456 - .456: Float", (Object) Float.class,
            subtract(123.456, .456d, Float.class).getClass());
    for (Class<?> type : NUMBERS) {
        try {
            Object expected = null;
            Class<? extends Number> typeOfN = (Class<? extends Number>) type;
            Class<? extends Number> wrapper = (Class<? extends Number>) ClassUtils.primitiveToWrapper(type);
            assertEquals("null: default: " + type.getSimpleName(), valueOf(null, typeOfN),
                    subtract(null, null, typeOfN));
            assertEquals("123.456: " + type.getSimpleName(), valueOf(123.912 - .456, typeOfN),
                    subtract("123.912", .456, typeOfN));
            assertEquals("123.456 - NaN: " + type.getSimpleName(), valueOf(123.456, typeOfN),
                    subtract(123.456, Float.NaN, typeOfN));
            assertEquals("NaN - 123.456: " + type.getSimpleName(), valueOf(123.456, typeOfN),
                    subtract("NaN", 123.456, typeOfN));
            assertEquals("invalid - 123.456: " + type.getSimpleName(), valueOf(123.456, typeOfN),
                    subtract("not a number", 123.456, typeOfN));
            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                expected = valueOf(-Double.MAX_VALUE, typeOfN);
            } else if (ClassUtils.isPrimitiveOrWrapper(type)) {
                expected = wrapper.getField("MIN_VALUE").get(null);
            } else {
                expected = new BigDecimal("123.456").subtract(INFINITY_DOUBLE);
                if (BigInteger.class.equals(type))
                    expected = ((BigDecimal) expected).toBigInteger();
            }
            assertEquals("123.456 - Infinity: " + type.getSimpleName(), expected,
                    subtract(123.456, Double.POSITIVE_INFINITY, typeOfN));

            if (ObjectUtils.isAny(wrapper, Float.class)) {
                expected = valueOf("Infinity", typeOfN);
            } else if (ClassUtils.isPrimitiveOrWrapper(type)) {
                expected = wrapper.getField("MAX_VALUE").get(null);
            } else {
                expected = INFINITY_DOUBLE.subtract(new BigDecimal("123.456"));
                if (BigInteger.class.equals(type))
                    expected = ((BigDecimal) expected).toBigInteger();
            }
            assertEquals("Infinity - 123.456: " + type.getSimpleName(), expected,
                    subtract("Infinity", 123.456, typeOfN));
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage() + "\n" + Arrays.toString(e.getStackTrace()));
        }
    }
}

From source file:jp.furplag.util.commons.NumberUtilsTest.java

/**
 * {@link jp.furplag.util.commons.NumberUtils#valueOf(java.lang.Object)}.
 *//*from   ww  w .  ja v a  2 s  .c om*/
@SuppressWarnings("unchecked")
@Test
public void testValueOfObject() {
    try {
        for (Class<?> type : NUMBERS) {
            Object o = null;
            Object expected = null;
            Class<? extends Number> wrapper = (Class<? extends Number>) ClassUtils.primitiveToWrapper(type);

            assertEquals("null", expected, valueOf(null));

            o = Float.NaN;
            expected = o;
            assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o));

            o = Double.NaN;
            expected = o;
            assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o));

            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                o = wrapper.getMethod("valueOf", String.class).invoke(null, "123.456");
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                o = wrapper.getMethod("valueOf", String.class).invoke(null, "123");
            } else {
                Constructor<?> c = type.getDeclaredConstructor(String.class);
                o = c.newInstance(BigInteger.class.equals(type) ? "123" : "123.456");
            }
            expected = o;
            assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o));

            o = INFINITY_DOUBLE.pow(2);
            expected = o;
            assertEquals("Huge: (" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), o,
                    valueOf(o));

            o = INFINITY_DOUBLE.pow(2).negate();
            expected = o;
            assertEquals("Huge: (" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), o,
                    valueOf(o));

            o = INFINITY_DOUBLE.pow(2).toBigInteger();
            expected = o;
            assertEquals("Huge: (" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), o,
                    valueOf(o));

            o = INFINITY_DOUBLE.pow(2).toBigInteger().negate();
            expected = o;
            assertEquals("Huge: (" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), o,
                    valueOf(o));

            o = "";
            expected = null;
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));

            o = "not a number.";
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));

            o = new Object[] { 1, 2, 3 };
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));

            o = "NaN";
            expected = Double.NaN;
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));

            o = "Infinity";
            expected = Double.POSITIVE_INFINITY;
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));

            o = "-Infinity";
            expected = Double.NEGATIVE_INFINITY;
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));

            o = "123.456f";
            expected = (Float) 123.456f;
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));

            o = "123.456d";
            expected = (Double) 123.456d;
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));

            o = "1.23456E2d";
            expected = (Double) 123.456d;
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));

            o = "1.23456E+2d";
            expected = (Double) 123.456d;
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));

            o = "1000000000000";
            expected = 1000000000000L;
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));

            o = "1E12";
            expected = (Float) 1000000000000f;
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));

            o = "1E600";
            expected = new BigDecimal("1E600");
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected, valueOf(o));
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage() + "\n" + Arrays.toString(e.getStackTrace()));
    }
}

From source file:jp.furplag.util.commons.NumberUtilsTest.java

/**
 * {@link jp.furplag.util.commons.NumberUtils#valueOf(java.lang.Object, java.lang.Class, boolean)}.
 *///from   w  ww .j  a v  a 2s.c om
@SuppressWarnings("unchecked")
@Test
public void testValueOfObjectClassOfTBoolean() {
    assertEquals("null", null, valueOf(null, null, false));
    assertEquals("null: fallback", null, valueOf(null, null, true));
    try {
        for (Class<?> type : NUMBERS) {
            Object o = null;
            Object expected = null;
            Class<? extends Number> wrapper = (Class<? extends Number>) ClassUtils.primitiveToWrapper(type);
            if (type.isPrimitive())
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "0");
            assertEquals("null: " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, false));
            if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "0");
            } else {
                expected = wrapper.getField("ZERO").get(null);
            }
            assertEquals("null: fallback: " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, true));
            assertEquals("null: typeEquals: " + type.getSimpleName(),
                    ClassUtils.primitiveToWrapper(expected.getClass()),
                    valueOf(o, (Class<? extends Number>) type, true).getClass());

            o = Float.NaN;
            expected = !type.isPrimitive() ? null
                    : wrapper.getMethod("valueOf", String.class).invoke(null, "0");
            if (ObjectUtils.isAny(wrapper, Double.class, Float.class))
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "NaN");
            assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, false));
            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "NaN");
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "0");
            } else {
                expected = wrapper.getField("ZERO").get(null);
            }
            assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, true));
            assertEquals(o + "(" + o.getClass() + "): typeEquals: " + type,
                    ClassUtils.primitiveToWrapper(expected.getClass()),
                    valueOf(o, (Class<? extends Number>) type, true).getClass());

            o = Double.NaN;
            expected = !type.isPrimitive() ? null
                    : wrapper.getMethod("valueOf", String.class).invoke(null, "0");
            if (ObjectUtils.isAny(wrapper, Double.class, Float.class))
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "NaN");
            assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, false));
            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "NaN");
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "0");
            } else {
                expected = wrapper.getField("ZERO").get(null);
            }
            assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, true));
            assertEquals(o + "(" + o.getClass() + "): typeEquals: " + type,
                    ClassUtils.primitiveToWrapper(expected.getClass()),
                    valueOf(o, (Class<? extends Number>) type, true).getClass());

            if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "1");
            } else {
                expected = wrapper.getField("ONE").get(null);
            }

            for (Class<?> valueType : OBJECTS) {
                if (ClassUtils.isPrimitiveWrapper(valueType)) {
                    o = valueType.getMethod("valueOf", String.class).invoke(null, "1");
                } else {
                    o = valueType.getField("ONE").get(null);
                }
                assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                        valueOf(o, (Class<? extends Number>) type, false));
                assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                        valueOf(o, (Class<? extends Number>) type, true));
                assertEquals(o + "(" + o.getClass() + "): typeEquals: " + type,
                        ClassUtils.primitiveToWrapper(expected.getClass()),
                        valueOf(o, (Class<? extends Number>) type, true).getClass());
            }

            if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "-123");
            } else {
                Constructor<?> c = type.getDeclaredConstructor(String.class);
                expected = c.newInstance("-123");
            }
            for (Class<?> valueType : OBJECTS) {
                if (ClassUtils.isPrimitiveWrapper(valueType)) {
                    o = valueType.getMethod("valueOf", String.class).invoke(null, "-123");
                } else {
                    Constructor<?> c = valueType.getDeclaredConstructor(String.class);
                    o = c.newInstance("-123");
                }
                assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                        valueOf(o, (Class<? extends Number>) type, false));
                assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                        valueOf(o, (Class<? extends Number>) type, true));
                assertEquals(o + "(" + o.getClass() + "): typeEquals: " + type,
                        ClassUtils.primitiveToWrapper(expected.getClass()),
                        valueOf(o, (Class<? extends Number>) type, true).getClass());
            }

            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "123.456");
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "123");
            } else {
                Constructor<?> c = type.getDeclaredConstructor(String.class);
                expected = c.newInstance(BigInteger.class.equals(type) ? "123" : "123.456");
            }
            for (Class<?> valueType : OBJECTS) {
                if (ObjectUtils.isAny(valueType, Double.class, Float.class)) {
                    o = valueType.getMethod("valueOf", String.class).invoke(null, "123.456");
                } else if (BigDecimal.class.equals(valueType)) {
                    Constructor<?> c = valueType.getDeclaredConstructor(String.class);
                    o = c.newInstance("123.456");
                } else {
                    continue;
                }
                assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                        valueOf(o, (Class<? extends Number>) type, false));
                assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                        valueOf(o, (Class<? extends Number>) type, true));
                assertEquals(o + "(" + o.getClass() + "): typeEquals: " + type,
                        ClassUtils.primitiveToWrapper(expected.getClass()),
                        valueOf(o, (Class<? extends Number>) type, true).getClass());
            }

            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "-123.456");
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "-123");
            } else {
                Constructor<?> c = type.getDeclaredConstructor(String.class);
                expected = c.newInstance(BigInteger.class.equals(type) ? "-123" : "-123.456");
            }
            for (Class<?> valueType : OBJECTS) {
                if (ObjectUtils.isAny(valueType, Double.class, Float.class)) {
                    o = valueType.getMethod("valueOf", String.class).invoke(null, "-123.456");
                } else if (BigDecimal.class.equals(valueType)) {
                    Constructor<?> c = valueType.getDeclaredConstructor(String.class);
                    o = c.newInstance("-123.456");
                } else {
                    continue;
                }
                assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                        valueOf(o, (Class<? extends Number>) type, false));
                assertEquals(o + "(" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                        valueOf(o, (Class<? extends Number>) type, true));
                assertEquals(o + "(" + o.getClass() + "): typeEquals: " + type,
                        ClassUtils.primitiveToWrapper(expected.getClass()),
                        valueOf(o, (Class<? extends Number>) type, true).getClass());
            }

            o = INFINITY_DOUBLE.pow(2);
            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                expected = wrapper.getField("POSITIVE_INFINITY").get(null);
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getField("MAX_VALUE").get(null);
            } else {
                expected = BigInteger.class.equals(type) ? INFINITY_DOUBLE.pow(2).toBigInteger()
                        : INFINITY_DOUBLE.pow(2);
            }
            assertEquals("Huge: (" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, false));
            assertEquals("Huge: (" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, true));
            assertEquals("Huge: (" + o.getClass() + "): typeEquals: " + type,
                    ClassUtils.primitiveToWrapper(expected.getClass()),
                    valueOf(o, (Class<? extends Number>) type, true).getClass());

            o = INFINITY_DOUBLE.pow(2).negate();
            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                expected = wrapper.getField("NEGATIVE_INFINITY").get(null);
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getField("MIN_VALUE").get(null);
            } else {
                expected = BigInteger.class.equals(type) ? INFINITY_DOUBLE.pow(2).toBigInteger().negate()
                        : INFINITY_DOUBLE.pow(2).negate();
            }
            assertEquals("Huge: (" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, false));
            assertEquals("Huge: (" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, true));
            assertEquals("Huge: (" + o.getClass() + "): typeEquals: " + type,
                    ClassUtils.primitiveToWrapper(expected.getClass()),
                    valueOf(o, (Class<? extends Number>) type, true).getClass());

            o = INFINITY_DOUBLE.pow(2).toBigInteger();
            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                expected = wrapper.getField("POSITIVE_INFINITY").get(null);
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getField("MAX_VALUE").get(null);
            } else {
                expected = BigInteger.class.equals(type) ? INFINITY_DOUBLE.pow(2).toBigInteger()
                        : INFINITY_DOUBLE.pow(2);
            }
            assertEquals("Huge: (" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, false));
            assertEquals("Huge: (" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, true));
            assertEquals("Huge: (" + o.getClass() + "): typeEquals: " + type,
                    ClassUtils.primitiveToWrapper(expected.getClass()),
                    valueOf(o, (Class<? extends Number>) type, true).getClass());

            o = INFINITY_DOUBLE.pow(2).toBigInteger().negate();
            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                expected = wrapper.getField("NEGATIVE_INFINITY").get(null);
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getField("MIN_VALUE").get(null);
            } else {
                expected = BigInteger.class.equals(type) ? INFINITY_DOUBLE.pow(2).toBigInteger().negate()
                        : INFINITY_DOUBLE.pow(2).negate();
            }
            assertEquals("Huge: (" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, false));
            assertEquals("Huge: (" + o.getClass().getSimpleName() + "): " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, true));
            assertEquals("Huge: (" + o.getClass() + "): typeEquals: " + type,
                    ClassUtils.primitiveToWrapper(expected.getClass()),
                    valueOf(o, (Class<? extends Number>) type, true).getClass());

            o = "";
            expected = !type.isPrimitive() ? null
                    : wrapper.getMethod("valueOf", String.class).invoke(null, "0");
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, false));
            if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "0");
            } else {
                expected = wrapper.getField("ZERO").get(null);
            }
            assertEquals("\"" + o + "\": fallback: " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, true));
            assertEquals("\"" + o + "\": typeEquals: " + type.getSimpleName(),
                    ClassUtils.primitiveToWrapper(expected.getClass()),
                    valueOf(o, (Class<? extends Number>) type, true).getClass());

            o = "1";
            if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "1");
            } else {
                expected = wrapper.getField("ONE").get(null);
            }
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, false));
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, true));
            assertEquals("\"" + o + "\": typeEquals: " + type,
                    ClassUtils.primitiveToWrapper(expected.getClass()),
                    valueOf(o, (Class<? extends Number>) type, true).getClass());

            o = "-123456E-3";
            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "-123.456");
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "-123");
            } else {
                Constructor<?> c = type.getDeclaredConstructor(String.class);
                expected = c.newInstance(BigInteger.class.equals(type) ? "-123" : "-123.456");
            }
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, false));
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, true));
            assertEquals("\"" + o + "\": typeEquals: " + type,
                    ClassUtils.primitiveToWrapper(expected.getClass()),
                    valueOf(o, (Class<? extends Number>) type, true).getClass());

            o = "Infinity";
            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                expected = wrapper.getField("POSITIVE_INFINITY").get(null);
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getField("MAX_VALUE").get(null);
            } else {
                expected = BigInteger.class.equals(type) ? INFINITY_DOUBLE.toBigInteger() : INFINITY_DOUBLE;
            }
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, false));
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, true));
            assertEquals("\"" + o + "\": typeEquals: " + type,
                    ClassUtils.primitiveToWrapper(expected.getClass()),
                    valueOf(o, (Class<? extends Number>) type, true).getClass());

            o = "-Infinity";
            if (ObjectUtils.isAny(wrapper, Double.class, Float.class)) {
                expected = wrapper.getField("NEGATIVE_INFINITY").get(null);
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getField("MIN_VALUE").get(null);
            } else {
                expected = BigInteger.class.equals(type) ? INFINITY_DOUBLE.toBigInteger().negate()
                        : INFINITY_DOUBLE.negate();
            }
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, false));
            assertEquals("\"" + o + "\": " + type.getSimpleName(), expected,
                    valueOf(o, (Class<? extends Number>) type, true));
            assertEquals("\"" + o + "\": typeEquals: " + type,
                    ClassUtils.primitiveToWrapper(expected.getClass()),
                    valueOf(o, (Class<? extends Number>) type, true).getClass());
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage() + "\n" + Arrays.toString(e.getStackTrace()));
    }
}

From source file:jp.furplag.util.commons.NumberUtilsTest.java

/**
 * {@link jp.furplag.util.commons.NumberUtils.NumberObject}
 *//*  w  w  w .  j a v  a2s  .com*/
@SuppressWarnings("unchecked")
@Test
public void NumberObjectTest() {
    try {
        Class<?> numberObject = ClassLoader.getSystemClassLoader()
                .loadClass(NumberUtils.class.getName() + "$NumberObject");

        Constructor<?> c = numberObject.getDeclaredConstructor(Class.class);
        c.setAccessible(true);

        Method ofType = numberObject.getMethod("of", Class.class);
        ofType.setAccessible(true);

        Method ofN = numberObject.getMethod("of", Number.class);
        ofN.setAccessible(true);

        Method parsable = numberObject.getDeclaredMethod("parsable", Number.class);
        parsable.setAccessible(true);

        Method contains = numberObject.getDeclaredMethod("contains", Number.class);
        contains.setAccessible(true);

        Method valueOf = numberObject.getDeclaredMethod("valueOf", Number.class);
        valueOf.setAccessible(true);

        for (Class<?> type : NUMBERS) {
            Object o = c.newInstance(type);
            Class<? extends Number> wrapper = (Class<? extends Number>) ClassUtils.primitiveToWrapper(type);
            Object numob = ofType.invoke(null, type);
            assertEquals("ofType: " + type.getSimpleName(), o, numob);
            Number n = null;
            if (!type.isPrimitive()) {
                if (ClassUtils.isPrimitiveWrapper(type)) {
                    n = (Number) ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class)
                            .invoke(null, "1");
                } else {
                    n = (Number) type.getField("ONE").get(null);
                }
                if (type.equals(byte.class))
                    assertEquals("ofN: 1: " + type.getSimpleName(), o, ofN.invoke(null, n));
            }
            assertEquals("parsable: -1: " + type.getSimpleName(), true, parsable.invoke(numob, -1));
            assertEquals("parsable: 0: " + type.getSimpleName(), true, parsable.invoke(numob, 0));
            assertEquals("parsable: 1: " + type.getSimpleName(), true, parsable.invoke(numob, 1));

            assertEquals("parsable: null: " + type.getSimpleName(), !type.isPrimitive(),
                    parsable.invoke(numob, (Number) null));

            Object expected = ObjectUtils.isAny(wrapper, Float.class, Double.class, BigDecimal.class,
                    BigInteger.class);
            assertEquals("parsable: Infinity: Double: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, Double.POSITIVE_INFINITY));
            assertEquals("parsable: Infinity: Double: BigDecimal: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, INFINITY_DOUBLE));
            assertEquals("parsable: Infinity: Double: BigInteger: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, INFINITY_DOUBLE.toBigInteger()));
            assertEquals("parsable: Infinity: Float: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, Float.POSITIVE_INFINITY));
            assertEquals("parsable: Infinity: Float: BigDecimal: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, INFINITY_FLOAT));
            assertEquals("parsable: Infinity: Float: BigInteger: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, INFINITY_FLOAT.toBigInteger()));
            assertEquals("parsable: -Infinity: Double: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, Double.NEGATIVE_INFINITY));
            assertEquals("parsable: -Infinity: Double: BigDecimal: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, INFINITY_DOUBLE.negate()));
            assertEquals("parsable: -Infinity: Double: BigInteger: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, INFINITY_DOUBLE.negate().toBigInteger()));
            assertEquals("parsable: -Infinity: Float: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, Float.NEGATIVE_INFINITY));
            assertEquals("parsable: -Infinity: Float: BigDecimal: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, INFINITY_FLOAT.negate()));
            assertEquals("parsable: -Infinity: Float: BigInteger: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, INFINITY_FLOAT.negate().toBigInteger()));

            expected = ObjectUtils.isAny(wrapper, Float.class, Double.class);
            assertEquals("parsable: NaN: Float: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, Float.NaN));
            assertEquals("parsable: NaN: Double: " + type.getSimpleName(), expected,
                    parsable.invoke(numob, Double.NaN));

            if (Byte.class.equals(wrapper)) {
                assertEquals("parsable: contains: min: " + type.getSimpleName(), true,
                        parsable.invoke(numob, wrapper.getField("MIN_VALUE").getByte(null)));
                assertEquals("parsable: contains: max: " + type.getSimpleName(), true,
                        parsable.invoke(numob, wrapper.getField("MAX_VALUE").getByte(null)));
                assertEquals("parsable: overflow: min: " + type.getSimpleName(), false,
                        parsable.invoke(numob, Short.MIN_VALUE));
                assertEquals("parsable: overflow: max: " + type.getSimpleName(), false,
                        parsable.invoke(numob, Short.MAX_VALUE));
                assertEquals("parsable: fraction: " + type.getSimpleName(), false,
                        parsable.invoke(numob, 123.456f));

                assertEquals("contains: min: " + type.getSimpleName(), true,
                        contains.invoke(numob, wrapper.getField("MIN_VALUE").getByte(null)));
                assertEquals("contains: max: " + type.getSimpleName(), true,
                        contains.invoke(numob, wrapper.getField("MAX_VALUE").getByte(null)));
                assertEquals("contains: overflow: min: " + type.getSimpleName(), false,
                        contains.invoke(numob, Short.MIN_VALUE));
                assertEquals("contains: overflow: max: " + type.getSimpleName(), false,
                        contains.invoke(numob, Short.MAX_VALUE));
                assertEquals("contains: fraction: " + type.getSimpleName(), true,
                        contains.invoke(numob, 123.456f));
                assertEquals("contains: overflow: fraction: " + type.getSimpleName(), false,
                        contains.invoke(numob, 1234.56f));
            }
            if (Short.class.equals(wrapper)) {
                assertEquals("parsable: contains: min: " + type.getSimpleName(), true,
                        parsable.invoke(numob, wrapper.getField("MIN_VALUE").getShort(null)));
                assertEquals("parsable: contains: max: " + type.getSimpleName(), true,
                        parsable.invoke(numob, wrapper.getField("MAX_VALUE").getShort(null)));
                assertEquals("parsable: overflow: min: " + type.getSimpleName(), false,
                        parsable.invoke(numob, Integer.MIN_VALUE));
                assertEquals("parsable: overflow: max: " + type.getSimpleName(), false,
                        parsable.invoke(numob, Integer.MAX_VALUE));
                assertEquals("parsable: fraction: " + type.getSimpleName(), false,
                        parsable.invoke(numob, 123.456f));

                assertEquals("contains: min: " + type.getSimpleName(), true,
                        contains.invoke(numob, wrapper.getField("MIN_VALUE").getShort(null)));
                assertEquals("contains: max: " + type.getSimpleName(), true,
                        contains.invoke(numob, wrapper.getField("MAX_VALUE").getShort(null)));
                assertEquals("contains: overflow: min: " + type.getSimpleName(), false,
                        contains.invoke(numob, Integer.MIN_VALUE));
                assertEquals("contains: overflow: max: " + type.getSimpleName(), false,
                        contains.invoke(numob, Integer.MAX_VALUE));
                assertEquals("contains: fraction: " + type.getSimpleName(), true,
                        contains.invoke(numob, 12345.6f));
                assertEquals("contains: overflow: fraction: " + type.getSimpleName(), false,
                        contains.invoke(numob, 123456.789f));
            }
            if (Integer.class.equals(wrapper)) {
                assertEquals("parsable: contains: min: " + type.getSimpleName(), true,
                        parsable.invoke(numob, wrapper.getField("MIN_VALUE").getInt(null)));
                assertEquals("parsable: contains: max: " + type.getSimpleName(), true,
                        parsable.invoke(numob, wrapper.getField("MAX_VALUE").getInt(null)));
                assertEquals("parsable: overflow: min: " + type.getSimpleName(), false,
                        parsable.invoke(numob, Long.MIN_VALUE));
                assertEquals("parsable: overflow: max: " + type.getSimpleName(), false,
                        parsable.invoke(numob, Long.MAX_VALUE));
                assertEquals("parsable: fraction: " + type.getSimpleName(), false,
                        parsable.invoke(numob, 123456.789f));

                assertEquals("contains: min: " + type.getSimpleName(), true,
                        contains.invoke(numob, wrapper.getField("MIN_VALUE").getInt(null)));
                assertEquals("contains: max: " + type.getSimpleName(), true,
                        contains.invoke(numob, wrapper.getField("MAX_VALUE").getInt(null)));
                assertEquals("contains: overflow: min: " + type.getSimpleName(), false,
                        contains.invoke(numob, Long.MIN_VALUE));
                assertEquals("contains: overflow: max: " + type.getSimpleName(), false,
                        contains.invoke(numob, Long.MAX_VALUE));
                assertEquals("contains: fraction: " + type.getSimpleName(), true,
                        contains.invoke(numob, 123456.789f));
                assertEquals("contains: overflow: fraction: " + type.getSimpleName(), false,
                        contains.invoke(numob, 12345678912345678912.3456d));
            }
            if (Long.class.equals(wrapper)) {
                assertEquals("parsable: contains: min: " + type.getSimpleName(), true,
                        parsable.invoke(numob, wrapper.getField("MIN_VALUE").getLong(null)));
                assertEquals("parsable: contains: max: " + type.getSimpleName(), true,
                        parsable.invoke(numob, wrapper.getField("MAX_VALUE").getLong(null)));
                assertEquals("parsable: overflow: min: " + type.getSimpleName(), false,
                        parsable.invoke(numob, BigInteger.valueOf(Long.MIN_VALUE).pow(2)));
                assertEquals("parsable: overflow: max: " + type.getSimpleName(), false,
                        parsable.invoke(numob, BigInteger.valueOf(Long.MAX_VALUE).pow(2)));
                assertEquals("parsable: fraction: " + type.getSimpleName(), false,
                        parsable.invoke(numob, 123.456f));

                assertEquals("contains: min: " + type.getSimpleName(), true,
                        contains.invoke(numob, wrapper.getField("MIN_VALUE").getLong(null)));
                assertEquals("contains: max: " + type.getSimpleName(), true,
                        contains.invoke(numob, wrapper.getField("MAX_VALUE").getLong(null)));
                assertEquals("contains: overflow: min: " + type.getSimpleName(), false,
                        contains.invoke(numob, BigInteger.valueOf(Long.MIN_VALUE).pow(2)));
                assertEquals("contains: overflow: max: " + type.getSimpleName(), false,
                        contains.invoke(numob, BigInteger.valueOf(Long.MAX_VALUE).pow(2)));
                assertEquals("contains: fraction: " + type.getSimpleName(), true,
                        contains.invoke(numob, 123456.789f));
                assertEquals("contains: overflow: fraction: " + type.getSimpleName(), false,
                        contains.invoke(numob, 12345678912345678912.3456f));
            }
            if (Float.class.equals(wrapper)) {
                assertEquals("parsable: contains: min: " + type.getSimpleName(), true,
                        parsable.invoke(numob, -wrapper.getField("MAX_VALUE").getFloat(null)));
                assertEquals("parsable: contains: max: " + type.getSimpleName(), true,
                        parsable.invoke(numob, wrapper.getField("MAX_VALUE").getFloat(null)));
                assertEquals("parsable: overflow: max: " + type.getSimpleName(), false,
                        parsable.invoke(numob, -Double.MAX_VALUE));
                assertEquals("parsable: overflow: max: " + type.getSimpleName(), false,
                        parsable.invoke(numob, Double.MAX_VALUE));

                assertEquals("contains: min: " + type.getSimpleName(), true,
                        contains.invoke(numob, -wrapper.getField("MAX_VALUE").getFloat(null)));
                assertEquals("contains: max: " + type.getSimpleName(), true,
                        contains.invoke(numob, wrapper.getField("MAX_VALUE").getFloat(null)));
                assertEquals("contains: overflow: max: " + type.getSimpleName(), false,
                        contains.invoke(numob, -Double.MAX_VALUE));
                assertEquals("contains: overflow: max: " + type.getSimpleName(), false,
                        contains.invoke(numob, Double.MAX_VALUE));
            }
            if (Double.class.equals(wrapper)) {
                assertEquals("parsable: contains: min: " + type.getSimpleName(), true,
                        parsable.invoke(numob, -wrapper.getField("MAX_VALUE").getDouble(null)));
                assertEquals("parsable: contains: max: " + type.getSimpleName(), true,
                        parsable.invoke(numob, wrapper.getField("MAX_VALUE").getDouble(null)));
                assertEquals("parsable: overflow: min: " + type.getSimpleName(), true,
                        parsable.invoke(numob, INFINITY_DOUBLE.multiply(BigDecimal.TEN).negate()));
                assertEquals("parsable: overflow: max: " + type.getSimpleName(), true,
                        parsable.invoke(numob, INFINITY_DOUBLE.multiply(BigDecimal.TEN)));

                assertEquals("contains: min: " + type.getSimpleName(), true,
                        contains.invoke(numob, -wrapper.getField("MAX_VALUE").getDouble(null)));
                assertEquals("contains: max: " + type.getSimpleName(), true,
                        contains.invoke(numob, wrapper.getField("MAX_VALUE").getDouble(null)));
                assertEquals("contains: overflow: min: " + type.getSimpleName(), false,
                        contains.invoke(numob, INFINITY_DOUBLE.multiply(BigDecimal.TEN).negate()));
                assertEquals("contains: overflow: max: " + type.getSimpleName(), false,
                        contains.invoke(numob, INFINITY_DOUBLE.multiply(BigDecimal.TEN)));
            }
            if (!ClassUtils.isPrimitiveWrapper(wrapper)) {
                assertEquals("parsable: fraction: " + type.getSimpleName(), BigDecimal.class.equals(type),
                        parsable.invoke(numob, 123.456f));
                assertEquals("contains: fraction: " + type.getSimpleName(), true,
                        contains.invoke(numob, 123.456f));
            }

            if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "123");
            } else {
                expected = new BigDecimal("123");
                if (BigInteger.class.equals(wrapper))
                    expected = ((BigDecimal) expected).toBigInteger();
            }
            for (Class<?> valueType : OBJECTS) {
                if (ClassUtils.isPrimitiveWrapper(valueType)) {
                    n = (Number) valueType.getMethod("valueOf", String.class).invoke(null, "123");
                } else {
                    n = new BigDecimal("123");
                    if (BigInteger.class.equals(valueType))
                        n = ((BigDecimal) n).toBigInteger();
                }
                assertEquals(
                        "valueOf: " + n + " (" + n.getClass().getSimpleName() + "): " + type.getSimpleName(),
                        expected, valueOf.invoke(numob, n));
                assertEquals(
                        "valueOf: " + n + " (" + n.getClass().getSimpleName() + "): class: "
                                + type.getSimpleName(),
                        expected.getClass(), valueOf.invoke(numob, n).getClass());
            }

            n = 123.456f;
            if (ObjectUtils.isAny(wrapper, Float.class, Double.class)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, n.toString());
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null,
                        Integer.toString(((Float) n).intValue()));
            } else {
                expected = new BigDecimal(n.toString());
                if (BigInteger.class.equals(wrapper))
                    expected = ((BigDecimal) expected).toBigInteger();
            }
            assertEquals("valueOf: " + n + " (" + n.getClass().getSimpleName() + "): " + type.getSimpleName(),
                    expected, valueOf.invoke(numob, n));
            assertEquals(
                    "valueOf: " + n + " (" + n.getClass().getSimpleName() + "): class: " + type.getSimpleName(),
                    expected.getClass(), valueOf.invoke(numob, n).getClass());

            n = 1.23456789E-6d;
            if (ObjectUtils.isAny(wrapper, Float.class, Double.class)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, n.toString());
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null,
                        Integer.toString(((Double) n).intValue()));
            } else {
                expected = new BigDecimal(n.toString());
                if (BigInteger.class.equals(wrapper))
                    expected = ((BigDecimal) expected).toBigInteger();
            }
            assertEquals("valueOf: " + n + " (" + n.getClass().getSimpleName() + "): " + type.getSimpleName(),
                    expected, valueOf.invoke(numob, n));
            assertEquals(
                    "valueOf: " + n + " (" + n.getClass().getSimpleName() + "): class: " + type.getSimpleName(),
                    expected.getClass(), valueOf.invoke(numob, n).getClass());

            n = INFINITY_DOUBLE.pow(2);
            if (ObjectUtils.isAny(wrapper, Float.class, Double.class)) {
                expected = wrapper.getField("POSITIVE_INFINITY").get(null);
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getField("MAX_VALUE").get(null);
            } else {
                expected = new BigDecimal(n.toString());
                if (BigInteger.class.equals(wrapper))
                    expected = ((BigDecimal) expected).toBigInteger();
            }
            assertEquals("valueOf: Huge: " + type.getSimpleName(), expected, valueOf.invoke(numob, n));
            assertEquals("valueOf: Huge: class: " + type.getSimpleName(), expected.getClass(),
                    valueOf.invoke(numob, n).getClass());

            n = INFINITY_DOUBLE.pow(2).negate();
            if (ObjectUtils.isAny(wrapper, Float.class, Double.class)) {
                expected = wrapper.getField("NEGATIVE_INFINITY").get(null);
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getField("MIN_VALUE").get(null);
            } else {
                expected = new BigDecimal(n.toString());
                if (BigInteger.class.equals(wrapper))
                    expected = ((BigDecimal) expected).toBigInteger();
            }
            assertEquals("valueOf: Huge: negative: " + type.getSimpleName(), expected,
                    valueOf.invoke(numob, n));
            assertEquals("valueOf: Huge: negative: class: " + type.getSimpleName(), expected.getClass(),
                    valueOf.invoke(numob, n).getClass());
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage() + "\n" + Arrays.toString(e.getStackTrace()));
    }
}

From source file:org.apache.apex.malhar.contrib.parser.StreamingJsonParser.java

/**
 * Use reflection to generate field info values if the user has not provided
 * the inputs mapping/*  w  w  w. ja v  a  2  s  .co m*/
 *
 * @return String representing the POJO field to JSON field mapping
 */
private String generateFieldInfoInputs(Class<?> cls) {
    java.lang.reflect.Field[] fields = cls.getDeclaredFields();
    StringBuilder sb = new StringBuilder();
    for (int i = 0; i < fields.length; i++) {
        java.lang.reflect.Field f = fields[i];
        Class<?> c = ClassUtils.primitiveToWrapper(f.getType());
        sb.append(f.getName()).append(FIELD_SEPARATOR).append(f.getName()).append(FIELD_SEPARATOR)
                .append(c.getSimpleName().toUpperCase()).append(RECORD_SEPARATOR);
    }
    return sb.substring(0, sb.length() - 1);
}

From source file:org.apache.apex.malhar.lib.join.POJOInnerJoinOperator.java

/**
 * Create getters for the key and time fields and setters for the include fields.
 *///www.  j a  v  a2 s.  c  om
private void generateSettersAndGetters() {
    for (int i = 0; i < 2; i++) {
        Class inputClass = inputFieldObjects[i].inputClass;
        try {
            inputFieldObjects[i].keyGet = PojoUtils.createGetter(inputClass, keyFieldExpressions.get(i),
                    Object.class);
            if (timeFields != null && timeFields.size() == 2) {
                Class timeField = ClassUtils
                        .primitiveToWrapper(inputClass.getDeclaredField(timeFields.get(i)).getType());
                inputFieldObjects[i].timeFieldGet = PojoUtils.createGetter(inputClass, timeFields.get(i),
                        timeField);
            }
            for (int j = 0; j < includeFields[i].length; j++) {
                Class inputField = ClassUtils
                        .primitiveToWrapper(inputClass.getDeclaredField(includeFields[i][j]).getType());
                Class outputField = ClassUtils
                        .primitiveToWrapper(outputClass.getDeclaredField(includeFields[i][j]).getType());
                if (inputField != outputField) {
                    continue;
                }
                inputFieldObjects[i].fieldMap.put(
                        PojoUtils.createGetter(inputClass, includeFields[i][j], inputField),
                        PojoUtils.createSetter(outputClass, includeFields[i][j], outputField));
            }
        } catch (NoSuchFieldException e) {
            throw new RuntimeException(e);
        }
    }
}