net.dongliu.apk.parser.utils.xml.CodePointTranslator Maven / Gradle / Ivy
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/*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.dongliu.apk.parser.utils.xml;
import java.io.IOException;
import java.io.Writer;
/**
* Helper subclass to CharSequenceTranslator to allow for translations that
* will replace up to one character at a time.
*/
abstract class CodePointTranslator extends CharSequenceTranslator {
/**
* Implementation of translate that maps onto the abstract translate(int, Writer) method.
* {@inheritDoc}
*/
@Override
public final int translate(final CharSequence input, final int index, final Writer out) throws IOException {
final int codepoint = Character.codePointAt(input, index);
final boolean consumed = translate(codepoint, out);
return consumed ? 1 : 0;
}
/**
* Translate the specified codepoint into another.
*
* @param codepoint int character input to translate
* @param out Writer to optionally push the translated output to
* @return boolean as to whether translation occurred or not
* @throws IOException if and only if the Writer produces an IOException
*/
public abstract boolean translate(int codepoint, Writer out) throws IOException;
}