| /* |
| |
| 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 org.apache.batik.util.io; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| /** |
| * This class represents an object which decodes ASCII characters from |
| * a stream of bytes. |
| * |
| * @author <a href="mailto:stephane@hillion.org">Stephane Hillion</a> |
| * @version $Id$ |
| */ |
| public class ASCIIDecoder extends AbstractCharDecoder { |
| |
| /** |
| * Creates a new ASCIIDecoder. |
| */ |
| public ASCIIDecoder(InputStream is) { |
| super(is); |
| } |
| |
| /** |
| * Reads the next character. |
| * @return a character or END_OF_STREAM. |
| */ |
| public int readChar() throws IOException { |
| if (position == count) { |
| fillBuffer(); |
| } |
| if (count == -1) { |
| return END_OF_STREAM; |
| } |
| int result = buffer[position++]; |
| if (result < 0) { |
| charError("ASCII"); |
| } |
| return result; |
| } |
| } |