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

Introduction

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

Prototype

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

Source Link

Document

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

This method invokes wrapperToPrimitive() for each element of the passed in array.

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 ww .jav a2 s. c  o  m
            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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