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

Introduction

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

Prototype

public static Class<?>[] primitivesToWrappers(final Class<?>... classes) 

Source Link

Document

Converts the specified array of primitive Class objects to an array of its corresponding wrapper Class objects.

Usage

From source file:yoyo.framework.standard.shared.commons.lang.ClassUtilsTest.java

@Test
public void test() throws ClassNotFoundException, SecurityException, NoSuchMethodException {
    List<Class<?>> classes = new ArrayList<Class<?>>() {
        {//from  w  w w  .  ja  v a  2  s . c  om
            add(Integer.class);
            add(Long.class);
        }
    };
    assertThat(ClassUtils.convertClassesToClassNames(classes).toArray(),
            is(new Object[] { "java.lang.Integer", "java.lang.Long" }));
    List<String> classNames = new ArrayList<String>() {
        {
            add("java.lang.Integer");
            add("java.lang.Long");
        }
    };
    assertThat(ClassUtils.convertClassNamesToClasses(classNames).toArray(), is(classes.toArray()));
    assertThat(ClassUtils.getAllInterfaces(String.class).toArray(), is(new Object[] {
            java.io.Serializable.class, java.lang.Comparable.class, java.lang.CharSequence.class }));
    assertThat(ClassUtils.getAllSuperclasses(HashMap.class).toArray(),
            is(new Object[] { java.util.AbstractMap.class, java.lang.Object.class }));
    assertThat(ClassUtils.getClass("java.lang.String").toString(), is("class java.lang.String"));
    assertThat(ClassUtils.getPackageCanonicalName(String.class), is("java.lang"));
    assertThat(ClassUtils.getPackageName(String.class), is("java.lang"));
    assertThat(ClassUtils.getPublicMethod(String.class, "length", new Class[] {}), is(not(nullValue())));
    assertThat(ClassUtils.getShortCanonicalName(String.class), is("String"));
    assertThat(ClassUtils.getShortClassName(String.class), is("String"));
    assertThat(ClassUtils.getSimpleName(String.class), is("String"));
    assertThat(ClassUtils.isAssignable(String.class, Object.class), is(true));
    assertThat(ClassUtils.isInnerClass(Foo.class), is(true));
    assertThat(ClassUtils.isInnerClass(String.class), is(false));
    assertThat(ClassUtils.isPrimitiveOrWrapper(Integer.class), is(true));
    assertThat(ClassUtils.isPrimitiveOrWrapper(String.class), is(false));
    assertThat(ClassUtils.isPrimitiveWrapper(Integer.class), is(true));
    assertThat(ClassUtils.isPrimitiveWrapper(String.class), is(false));
    assertThat(ClassUtils.primitivesToWrappers(new Class[] { Integer.class, Long.class }),
            is(not(nullValue())));
    assertThat(ClassUtils.primitiveToWrapper(Integer.class), is(not(nullValue())));
    assertThat(ClassUtils.toClass(1L, 2L), is(not(nullValue())));
    assertThat(ClassUtils.wrappersToPrimitives(new Class[] { Integer.class, Long.class }),
            is(not(nullValue())));
    assertThat(ClassUtils.wrapperToPrimitive(Integer.class), is(not(nullValue())));
}

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