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 /**
23 * Helper subclass to CharSequenceTranslator to allow for translations that
24 * will replace up to one character at a time.
25 *
26 * @since 3.0
27 * @deprecated As of <a href="https://commons.apache.org/proper/commons-lang/changes-report.html#a3.6">3.6</a>, use Apache Commons Text
28 * <a href="https://commons.apache.org/proper/commons-text/javadocs/api-release/org/apache/commons/text/translate/CodePointTranslator.html">
29 * CharSequenceTranslator</a>.
30 */
31 @Deprecated
32 public abstract class CodePointTranslator extends CharSequenceTranslator {
33
34 /**
35 * Constructs a new instance.
36 */
37 public CodePointTranslator() {
38 // empty
39 }
40
41 /**
42 * Implements translate to map onto the abstract translate(int, Writer) method.
43 * {@inheritDoc}
44 */
45 @Override
46 public final int translate(final CharSequence input, final int index, final Writer out) throws IOException {
47 final int codePoint = Character.codePointAt(input, index);
48 final boolean consumed = translate(codePoint, out);
49 return consumed ? 1 : 0;
50 }
51
52 /**
53 * Translate the specified code point into another.
54 *
55 * @param codePoint int character input to translate
56 * @param out Writer to optionally push the translated output to
57 * @return boolean as to whether translation occurred or not
58 * @throws IOException if and only if the Writer produces an IOException
59 */
60 public abstract boolean translate(int codePoint, Writer out) throws IOException;
61
62 }