1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.lang3.text.translate;
18
19 import java.io.IOException;
20 import java.io.Writer;
21
22 import org.apache.commons.lang3.ArrayUtils;
23
24 /**
25 * Executes a sequence of translators one after the other. Execution ends whenever
26 * the first translator consumes code points from the input.
27 *
28 * @since 3.0
29 * @deprecated As of <a href="https://commons.apache.org/proper/commons-lang/changes-report.html#a3.6">3.6</a>, use Apache Commons Text
30 * <a href="https://commons.apache.org/proper/commons-text/javadocs/api-release/org/apache/commons/text/translate/AggregateTranslator.html">
31 * AggregateTranslator</a>.
32 */
33 @Deprecated
34 public class AggregateTranslator extends CharSequenceTranslator {
35
36 private final CharSequenceTranslator[] translators;
37
38 /**
39 * Specify the translators to be used at creation time.
40 *
41 * @param translators CharSequenceTranslator array to aggregate
42 */
43 public AggregateTranslator(final CharSequenceTranslator... translators) {
44 this.translators = ArrayUtils.clone(translators);
45 }
46
47 /**
48 * The first translator to consume code points from the input is the 'winner'.
49 * Execution stops with the number of consumed code points being returned.
50 * {@inheritDoc}
51 */
52 @Override
53 public int translate(final CharSequence input, final int index, final Writer out) throws IOException {
54 for (final CharSequenceTranslator translator : translators) {
55 final int consumed = translator.translate(input, index, out);
56 if (consumed != 0) {
57 return consumed;
58 }
59 }
60 return 0;
61 }
62
63 }