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Java example source code file (

This example Java source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

aggregatetranslator, charsequence, charsequencetranslator, ioexception, override, writer

The Java example source code

 * 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.lang3.text.translate;


import org.apache.commons.lang3.ArrayUtils;

 * Executes a sequence of translators one after the other. Execution ends whenever 
 * the first translator consumes codepoints from the input.
 * @since 3.0
public class AggregateTranslator extends CharSequenceTranslator {

    private final CharSequenceTranslator[] translators;

     * Specify the translators to be used at creation time. 
     * @param translators CharSequenceTranslator array to aggregate
    public AggregateTranslator(final CharSequenceTranslator... translators) {
        this.translators = ArrayUtils.clone(translators);

     * The first translator to consume codepoints from the input is the 'winner'. 
     * Execution stops with the number of consumed codepoints being returned. 
     * {@inheritDoc}
    public int translate(final CharSequence input, final int index, final Writer out) throws IOException {
        for (final CharSequenceTranslator translator : translators) {
            final int consumed = translator.translate(input, index, out);
            if(consumed != 0) {
                return consumed;
        return 0;


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