commons-collections4-4.2-sources.jar - Apache Commons Collections

commons-collections4-4.2-sources.jar is the source JAR file for Apache Commons Collections 4.2, which provides additional collection handling functionalities on top of JDK library.

JAR File Size and Download Location:

JAR name: commons-collections4-4.2-sources.jar
Target JDK version: 1.7
Dependency: None
File size: 708,599 bytes
Release date: 08-Jul-2018
Download: Apache Commons Collections



 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.apache.commons.collections4.functors;


import org.apache.commons.collections4.Closure;
import org.apache.commons.collections4.Transformer;

 * Transformer implementation that calls a Closure using the input object
 * and then returns the input.
 * @since 3.0
public class ClosureTransformer<T> implements Transformer<T, T>, Serializable {

    /** Serial version UID */
    private static final long serialVersionUID = 478466901448617286L;

    /** The closure to wrap */
    private final Closure<? super T> iClosure;

     * Factory method that performs validation.
     * @param <T>  the type of the object to transform
     * @param closure  the closure to call, not null
     * @return the <code>closure</code> transformer
     * @throws NullPointerException if the closure is null
    public static <T> Transformer<T, T> closureTransformer(final Closure<? super T> closure) {
        if (closure == null) {
            throw new NullPointerException("Closure must not be null");
        return new ClosureTransformer<>(closure);

     * Constructor that performs no validation.
     * Use <code>closureTransformer</code> if you want that.
     * @param closure  the closure to call, not null
    public ClosureTransformer(final Closure<? super T> closure) {
        iClosure = closure;

     * Transforms the input to result by executing a closure.
     * @param input  the input object to transform
     * @return the transformed result
    public T transform(final T input) {
        return input;

     * Gets the closure.
     * @return the closure
     * @since 3.1
    public Closure<? super T> getClosure() {
        return iClosure;




Or download all of them as a single archive file:

File name: commons-collections4-4.2-sources.jar
File size: 708599 bytes
Release date: 2018-07-08


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