Example usage 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:com.github.helenusdriver.driver.impl.FieldInfoImpl.java

/**
 * Finds the getter method from the declaring class suitable to get a
 * reference to the field.//  w  w w  .  j  a  v a  2 s  . c o  m
 *
 * @author paouelle
 *
 * @param  declaringClass the non-<code>null</code> class declaring the field
 * @param  prefix the non-<code>null</code> getter prefix to use
 * @return the getter method for the field or <code>null</code> if none found
 * @throws IllegalArgumentException if unable to find a suitable getter
 */
private Method findGetterMethod(Class<?> declaringClass, String prefix) {
    final String mname = prefix + WordUtils.capitalize(name, '_', '-');

    try {
        final Method m = declaringClass.getDeclaredMethod(mname);
        final int mods = m.getModifiers();

        if (Modifier.isAbstract(mods) || Modifier.isStatic(mods)) {
            return null;
        }
        final Class<?> wtype = ClassUtils.primitiveToWrapper(type);
        final Class<?> wrtype = ClassUtils.primitiveToWrapper(
                DataTypeImpl.unwrapOptionalIfPresent(m.getReturnType(), m.getGenericReturnType()));

        org.apache.commons.lang3.Validate.isTrue(wtype.isAssignableFrom(wrtype),
                "expecting getter for field '%s' with return type: %s", field, type.getName());
        m.setAccessible(true);
        return m;
    } catch (NoSuchMethodException e) {
        return null;
    }
}

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

/**
 * {@link jp.furplag.util.commons.NumberUtils#contains(java.lang.Object, java.lang.Number, java.lang.Number)}.
 *//*from   ww  w. ja v a  2 s  . c  o  m*/
@SuppressWarnings("unchecked")
@Test
public void testContains() {
    assertEquals("null", false, contains(null, null, null));
    assertEquals("null", false, contains(null, 0, null));
    assertEquals("null", false, contains(null, null, 10));
    assertEquals("null", false, contains(null, 0, 10));
    assertEquals("null: from", true, contains(0, null, 10));
    assertEquals("null: from: overflow", false, contains(11, null, 10));
    assertEquals("null: to", true, contains(0, 0, null));
    assertEquals("null: to", true, contains(11, 10, null));
    assertEquals("null: to: less", false, contains(1, 10, null));
    assertEquals("fraction: Double", true, contains(Math.PI, 0, 10));
    assertEquals("fraction: Float", true, contains(Float.MIN_VALUE, 0, 10));
    assertEquals("NaN", false, contains(Float.NaN, -Float.MAX_VALUE, Float.MAX_VALUE));
    assertEquals("NaN", false, contains(Float.NaN, null, Float.POSITIVE_INFINITY));
    assertEquals("NaN", true, contains(Float.NaN, Float.NaN, Float.POSITIVE_INFINITY));
    assertEquals("NaN", true, contains(Float.NaN, null, Float.NaN));
    assertEquals("NaN", true, contains(Float.NaN, Double.NaN, Float.NaN));
    assertEquals("-Infinity: from", true, contains(1, Float.NEGATIVE_INFINITY, null));
    assertEquals("-Infinity: to", false, contains(1, null, Float.NEGATIVE_INFINITY));
    assertEquals("Infinity: from", false, contains(1, Float.POSITIVE_INFINITY, null));
    assertEquals("Infinity: to", true, contains(1, null, Float.POSITIVE_INFINITY));
    assertEquals("Infinity: only", false, contains(1, Float.POSITIVE_INFINITY, Float.POSITIVE_INFINITY));
    assertEquals("Infinity: only", true,
            contains(Float.POSITIVE_INFINITY, Float.POSITIVE_INFINITY, Float.POSITIVE_INFINITY));
    assertEquals("Infinity: only", true,
            contains(Double.POSITIVE_INFINITY, Float.POSITIVE_INFINITY, Float.POSITIVE_INFINITY));
    for (Class<?> type : NUMBERS) {
        Class<? extends Number> wrapper = (Class<? extends Number>) ClassUtils.primitiveToWrapper(type);
        Object o = null;
        try {
            if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                o = wrapper.getField("MAX_VALUE").get(null);
            } else {
                o = INFINITY_DOUBLE.pow(2);
                if (BigInteger.class.equals(type))
                    o = ((BigDecimal) o).toBigInteger();
            }
            assertEquals("Infinity: all: " + type.getSimpleName(), true,
                    contains(o, Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY));
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage() + "\n" + Arrays.toString(e.getStackTrace()));
        }
    }
}

---

From source file:com.github.helenusdriver.driver.impl.FieldInfoImpl.java

/**
 * Finds the setter method from the declaring class suitable to set a
 * value for the field./*from   w  ww . java2  s.c  om*/
 *
 * @author paouelle
 *
 * @param  declaringClass the non-<code>null</code> class declaring the field
 * @return the setter method for the field or <code>null</code> if none found
 * @throws IllegalArgumentException if unable to find a suitable setter
 */
private Method findSetterMethod(Class<?> declaringClass) {
    final String mname = "set" + WordUtils.capitalize(name, '_', '-');

    try {
        final Method m = declaringClass.getDeclaredMethod(mname, type);
        final int mods = m.getModifiers();

        if (Modifier.isAbstract(mods) || Modifier.isStatic(mods)) {
            return null;
        }
        org.apache.commons.lang3.Validate.isTrue(m.getParameterCount() == 1,
                "expecting setter for field '%s' with one parameter", field);
        final Class<?> wtype = ClassUtils.primitiveToWrapper(type);
        final Class<?> wptype = ClassUtils.primitiveToWrapper(DataTypeImpl.unwrapOptionalIfPresent(
                m.getParameterTypes()[0], m.getParameters()[0].getParameterizedType()));

        org.apache.commons.lang3.Validate.isTrue(wtype.isAssignableFrom(wptype),
                "expecting setter for field '%s' with parameter type: %s", field, type.getName());
        m.setAccessible(true);
        return m;
    } catch (NoSuchMethodException e) {
        return null;
    }
}

---

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

/**
 * {@link jp.furplag.util.commons.NumberUtils#divide(java.lang.Object, java.lang.Number, java.lang.Number, java.math.RoundingMode, java.lang.Class)}.
 *///from  ww w. j a va 2 s  . com
@SuppressWarnings("unchecked")
@Test
public void testDivideTNumberNumberRoundingModeClassOfT() {
    assertEquals("null", null, divide(null, null, null, null, null));
    assertEquals("null", null, divide(10, 5, 0, null, null));
    assertEquals("null", null, divide(10, 5, null, null, null));
    assertEquals("null", null, divide(10, 3, 2, RoundingMode.DOWN, null));
    assertEquals("null", (Object) 3.33f, divide(10, 3, 2, RoundingMode.DOWN, float.class));
    try {
        for (Class<?> type : PRIMITIVES) {
            Object expected = ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class)
                    .invoke(null, "0");
            assertEquals("fallback: " + type.getSimpleName(), expected,
                    divide(null, null, null, null, (Class<? extends Number>) type));
        }
        for (Class<?> type : NUMBERS) {
            Object expected = valueOf(3.33, (Class<? extends Number>) type);
            assertEquals("10 / 3: " + type.getSimpleName(), expected,
                    divide(10, 3, 2, RoundingMode.DOWN, (Class<? extends Number>) type));
            assertEquals("10 / 3: " + type.getSimpleName(), expected,
                    divide(10, 3, 2, RoundingMode.HALF_EVEN, (Class<? extends Number>) type));
            assertEquals("10 / 3: " + type.getSimpleName(), expected,
                    divide(10, 3, 2, RoundingMode.HALF_UP, (Class<? extends Number>) type));
            assertEquals("10 / 3: " + type.getSimpleName(), expected,
                    divide(10, 3, 2, RoundingMode.FLOOR, (Class<? extends Number>) type));
            expected = valueOf(3.34, (Class<? extends Number>) type);
            assertEquals("10 / 3: " + type.getSimpleName(), expected,
                    divide(10, 3, 2, RoundingMode.UP, (Class<? extends Number>) type));
            assertEquals("10 / 3: " + type.getSimpleName(), expected,
                    divide(10, 3, 2, RoundingMode.CEILING, (Class<? extends Number>) type));
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage() + "\n" + Arrays.toString(e.getStackTrace()));
    }
}

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From source file:com.twinsoft.convertigo.beans.core.DatabaseObject.java

public Object compileProperty(Class<?> propertyType, String propertyName, Object propertyObjectValue) {
    Object compiled;//from  ww w.  j  a va 2  s .  co m
    try {
        compiled = Engine.theApp.databaseObjectsManager.getCompiledValue(propertyObjectValue);
        removeSymbolError(propertyName);
    } catch (UndefinedSymbolsException e) {
        addSymbolError(propertyName, e.undefinedSymbols());
        compiled = e.incompletValue();
    }

    if (compiled != propertyObjectValue) {
        setCompilablePropertySourceValue(propertyName, propertyObjectValue);
        propertyObjectValue = compiled;
    } else {
        removeCompilablePropertySourceValue(propertyName);
    }

    propertyType = ClassUtils.primitiveToWrapper(propertyType);
    if (Number.class.isAssignableFrom(propertyType)) {
        try {
            try {
                propertyObjectValue = propertyType.getConstructor(String.class)
                        .newInstance(propertyObjectValue.toString());
            } catch (Exception e) {
                Engine.logBeans.warn("(DatabaseObject) Failed to parse '" + propertyObjectValue + "' as "
                        + propertyType.getSimpleName() + ". Set 0 instead.");
                propertyObjectValue = propertyType.getConstructor(String.class).newInstance("0");
            }
        } catch (Exception e) {
            Engine.logBeans.error("(DatabaseObject) Failed to parse '" + propertyObjectValue + "' as "
                    + propertyType.getSimpleName());
        }
    } else if (Boolean.class.isAssignableFrom(propertyType)) {
        if (propertyObjectValue instanceof Integer) {
            propertyObjectValue = (Integer) propertyObjectValue == 0;
        } else {
            propertyObjectValue = Boolean.parseBoolean(propertyObjectValue.toString());
        }
    } else if (Enum.class.isAssignableFrom(propertyType) && propertyObjectValue instanceof String) {
        propertyObjectValue = EnumUtils.valueOf(propertyType, propertyObjectValue);
    }
    return propertyObjectValue;
}

---

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

/**
 * {@link jp.furplag.util.commons.NumberUtils#floor(java.lang.Object, java.lang.Class)}.
 *///w w  w  . ja va 2  s . co m
@SuppressWarnings("unchecked")
@Test
public void testFloorObjectClassOfT() {
    assertEquals("null", null, floor(null, null));
    assertEquals("null", null, floor("", null));
    assertEquals("null", null, floor("not a number.", null));
    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);
            if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "3");
            } else {
                Constructor<?> c = type.getDeclaredConstructor(String.class);
                expected = c.newInstance("3");
            }
            assertEquals("PI: String: " + type.getSimpleName(), expected, floor("3.14", typeOfN));
            assertEquals("PI: Float: " + type.getSimpleName(), expected, floor(3.141592653589793f, typeOfN));
            assertEquals("PI: Double: " + type.getSimpleName(), expected, floor(Math.PI, typeOfN));
            assertEquals("PI: BigDecimal: " + type.getSimpleName(), expected,
                    floor(BigDecimal.valueOf(Math.PI), typeOfN));
            assertEquals("(Double) (10 / 3): " + type.getSimpleName(), expected, floor(
                    (Object) (BigDecimal.TEN.divide(new BigDecimal("3"), MathContext.DECIMAL128)), typeOfN));
            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);
                assertEquals("Huge: " + type.getSimpleName(), expected,
                        floor((Object) INFINITY_DOUBLE.pow(10, MathContext.DECIMAL128), typeOfN));
            } else if (BigDecimal.class.equals(type)) {
                expected = INFINITY_DOUBLE.pow(10, MathContext.DECIMAL128).toPlainString();
                Object actual = floor((Object) INFINITY_DOUBLE.pow(10, MathContext.DECIMAL128),
                        BigDecimal.class).toPlainString();
                assertEquals("Huge: " + type.getSimpleName(), expected, actual);
            } else {
                expected = INFINITY_DOUBLE.pow(10, MathContext.DECIMAL128).toBigInteger();
                Object actual = floor((Object) INFINITY_DOUBLE.pow(10, MathContext.DECIMAL128),
                        BigInteger.class);
                assertEquals("Huge: " + type.getSimpleName(), expected, actual);
            }
        } catch (Exception e) {
            e.printStackTrace();
            fail(e.getMessage() + "\n" + Arrays.toString(e.getStackTrace()));
        }
    }
}

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

private void visitGeneralAccessGetter(String methodName, String memberType,
        List<? extends AssignableInfo> memberInfoList) {
    mv = cw.visitMethod(ACC_PUBLIC, methodName, "(" + classTypeDescriptor + "I)Ljava/lang/Object;", null, null);
    mv.visitCode();/*from   w  w  w  .  ja  v a 2  s  .  c o  m*/
    Label firstLabel = new Label();
    mv.visitLabel(firstLabel);
    mv.visitVarInsn(ILOAD, 2);

    Label defaultCaseLabel = new Label();

    if (memberInfoList == null || memberInfoList.isEmpty()) {
        mv.visitInsn(POP);
        mv.visitLabel(defaultCaseLabel);
        visitAccessGetterLastPart(memberType, firstLabel);
        return;
    }

    Label[] labels = getTableSwitchLabelsForAccess(defaultCaseLabel, memberInfoList);

    // Always use a table switch because there are no gaps between member indices
    mv.visitTableSwitchInsn(memberInfoList.get(0).memberIndex,
            memberInfoList.get(memberInfoList.size() - 1).memberIndex, defaultCaseLabel, labels);

    for (int i = 0; i < memberInfoList.size(); i++) {
        AssignableInfo member = memberInfoList.get(i);

        mv.visitLabel(labels[i]);
        mv.visitFrame(F_SAME, 0, null, 0, null);
        mv.visitVarInsn(ALOAD, 1);

        switch (memberType) {
        case MEMBER_TYPE_FIELD:
            mv.visitFieldInsn(((FieldInfo) member).getFieldOpcode, internalName, member.name,
                    member.descriptor);
            break;
        case MEMBER_TYPE_PROPERTY:
            mv.visitMethodInsn(INVOKEVIRTUAL, internalName, ((PropertyInfo) member).readMethodName,
                    "()" + member.descriptor, false);
            break;
        }

        if (member.type.isPrimitive()) {
            Class<?> wrapperType = ClassUtils.primitiveToWrapper(member.type);
            mv.visitMethodInsn(INVOKESTATIC, Type.getInternalName(wrapperType), "valueOf",
                    "(" + member.descriptor + ")" + Type.getDescriptor(wrapperType), false);
        }

        mv.visitInsn(ARETURN);
    }

    mv.visitLabel(defaultCaseLabel);
    mv.visitFrame(F_SAME, 0, null, 0, null);

    visitAccessGetterLastPart(memberType, firstLabel);
}

---

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

/**
 * {@link jp.furplag.util.commons.NumberUtils#floor(java.lang.Object, java.lang.Number, java.lang.Class)}.
 *//*from w  w w  . jav  a  2s . co m*/
@SuppressWarnings("unchecked")
@Test
public void testFloorObjectNumberClassOfT() {
    assertEquals("null", null, floor(null, null, null));
    assertEquals("null", null, floor(null, 2, null));
    assertEquals("null", 3f, floor(3.14f, 0, null));
    assertEquals("null", 3.14d, floor(Math.PI, 2, null));
    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);
            if (Double.class.equals(wrapper)) {
                expected = 3.14d;
            } else if (Float.class.equals(wrapper)) {
                expected = 3.14f;
            } else if (BigDecimal.class.equals(wrapper)) {
                expected = new BigDecimal("3.14");
            } else if (ClassUtils.isPrimitiveWrapper(wrapper)) {
                expected = wrapper.getMethod("valueOf", String.class).invoke(null, "3");
            } else {
                Constructor<?> c = type.getDeclaredConstructor(String.class);
                expected = c.newInstance("3");
            }
            for (Class<?> scaleType : OBJECTS) {
                Object o = null;
                if (ClassUtils.isPrimitiveWrapper(scaleType)) {
                    o = scaleType.getMethod("valueOf", String.class).invoke(null, "2");
                } else {
                    Constructor<?> c = scaleType.getDeclaredConstructor(String.class);
                    o = c.newInstance("2");
                }
                assertEquals(
                        "PI: Float: " + type.getSimpleName() + "(scale: " + scaleType.getSimpleName() + ")",
                        expected, floor(3.141592653589793f, (Number) o, typeOfN));
                assertEquals(
                        "PI: Double: " + type.getSimpleName() + "(scale: " + scaleType.getSimpleName() + ")",
                        expected, floor(Math.PI, (Number) o, typeOfN));
                assertEquals("PI: BigDecimal: " + type.getSimpleName() + "(scale: " + scaleType.getSimpleName()
                        + ")", expected, floor(new BigDecimal(Math.PI), (Number) o, 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#multiply(java.lang.Object, java.lang.Number, java.lang.Class)}.
 *//*  w ww . j  a v a  2s  .  co m*/
@SuppressWarnings("unchecked")
@Test
public void testMultiplyObjectNumberClassOfT() {
    assertEquals("null", null, multiply(null, null, null));
    assertEquals("null", null, multiply(1, 23, null));
    assertEquals("null", null, multiply(1, 2, null));
    try {
        for (Class<?> type : PRIMITIVES) {
            Object expected = ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class)
                    .invoke(null, "0");
            assertEquals("fallback: " + type.getSimpleName(), expected,
                    multiply(null, null, (Class<? extends Number>) type));
        }
        for (Class<?> type : NUMBERS) {
            Object expected = valueOf(new BigDecimal("12").multiply(new BigDecimal("3.456")),
                    (Class<? extends Number>) type);
            assertEquals("12 * 3.456:" + type.getSimpleName(), expected,
                    multiply(12, 3.456, (Class<? extends Number>) type));
            if (ClassUtils.isPrimitiveOrWrapper(type)) {
                expected = valueOf(valueOf("-Infinity"), (Class<? extends Number>) type);
            } else {
                expected = INFINITY_DOUBLE.pow(2).negate();
                if (BigInteger.class.equals(type))
                    expected = ((BigDecimal) expected).toBigInteger();
            }
            assertEquals("Infinity * -Infinity: " + type.getSimpleName(), expected,
                    multiply("Infinity", Double.NEGATIVE_INFINITY, (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#remainder(java.lang.Object, java.lang.Number, java.lang.Class)}.
 *//*w  ww  .  j ava 2s  .  co  m*/
@SuppressWarnings("unchecked")
@Test
public void testRemainderObjectNumberClassOfT() {
    assertEquals("null", null, remainder(null, null, null));
    assertEquals("null", null, remainder(10, 3, null));
    assertEquals("10 / 3", (Object) 1, remainder(10, 3, int.class));
    assertEquals("10 / 3", (Object) 1, remainder(10d, 3, int.class));
    assertEquals("10 / 3", (Object) 1f, remainder(10d, 3, float.class));
    try {
        for (Class<?> type : NUMBERS) {
            Class<? extends Number> typeOfN = (Class<? extends Number>) type;
            Object expected = null;
            if (ClassUtils.isPrimitiveOrWrapper(type)) {
                expected = ClassUtils.primitiveToWrapper(type).getMethod("valueOf", String.class).invoke(null,
                        "1");
            } else {
                expected = type.getField("ONE").get(null);
            }
            for (Class<?> valueType : NUMBERS) {
                Object o = null;
                if (ClassUtils.isPrimitiveOrWrapper(valueType)) {
                    o = ClassUtils.primitiveToWrapper(valueType).getMethod("valueOf", String.class).invoke(null,
                            "10");
                } else {
                    o = valueType.getField("TEN").get(null);
                }
                assertEquals(o + "(" + o.getClass() + ") / 3: " + type.getSimpleName(), expected,
                        remainder(o, 3, typeOfN));
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage() + "\n" + Arrays.toString(e.getStackTrace()));
    }
}

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