Example usage for org.apache.commons.collections4 TransformerUtils invokerTransformer

Introduction

In this page you can find the example usage for org.apache.commons.collections4 TransformerUtils invokerTransformer.

Prototype

public static <I, O> Transformer<I, O> invokerTransformer(final String methodName) 

Source Link

Document

Gets a Transformer that invokes a method on the input object.

Usage

From source file:com.feilong.core.util.CollectionsUtilTest.java

/**
 * Test collect2./*from  w w  w.ja va 2 s . c  om*/
 */
@Test
public void testCollect2() {
    List<User> list = toList(//
            new User("", 23), new User("", 24), new User("", 25));

    Transformer<User, String> invokerTransformer = TransformerUtils.invokerTransformer("getName");
    List<String> collect1 = CollectionsUtil.collect(list, invokerTransformer);

    assertThat(collect1, hasItems("", "", ""));
}

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