| /* |
| |
| Copyright 2002 The Apache Software Foundation |
| |
| Licensed 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 org.apache.batik.util.io; |
| |
| import java.io.IOException; |
| |
| /** |
| * This class reads a string. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id: StringDecoder.java,v 1.1 2009/12/06 10:40:09 rsternber Exp $ |
| */ |
| public class StringDecoder implements CharDecoder { |
| |
| /** |
| * The string which contains the decoded characters. |
| */ |
| protected String string; |
| |
| /** |
| * The number of chars in the string. |
| */ |
| protected int length; |
| |
| /** |
| * The next char index. |
| */ |
| protected int next; |
| |
| /** |
| * Creates a new StringDecoder. |
| */ |
| public StringDecoder(String s) { |
| string = s; |
| length = s.length(); |
| } |
| |
| /** |
| * Reads the next character. |
| * @return a character or END_OF_STREAM. |
| */ |
| public int readChar() throws IOException { |
| if (next == length) { |
| return END_OF_STREAM; |
| } |
| return string.charAt(next++); |
| } |
| |
| /** |
| * Disposes the associated resources. |
| */ |
| public void dispose() throws IOException { |
| string = null; |
| } |
| } |