content: /*
   * 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 com.onegravity.rteditor.converter.tagsoup.util;
  
  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.
   *
   * @version $Id: CodePointTranslator.java 1553931 2013-12-28 21:24:44Z ggregory $
   * @since 3.0
   */
  public 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;
  
  }
  