001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.converter.jaxb;
018    
019    import java.io.FilterReader;
020    import java.io.IOException;
021    import java.io.Reader;
022    
023    /**
024     * This FilterReader will filter out the non-XML characters, see
025     * {@link NonXmlCharFilterer} for details.
026     */
027    public class NonXmlFilterReader extends FilterReader {
028        NonXmlCharFilterer nonXmlCharFilterer = new NonXmlCharFilterer();
029    
030        protected NonXmlFilterReader(Reader in) {
031            super(in);
032        }
033    
034        /**
035         * Reads characters into a portion of an array.
036         * 
037         * @exception IOException
038         *                If an I/O error occurs
039         */
040        public int read(char cbuf[], int off, int len) throws IOException {
041            int read = in.read(cbuf, off, len);
042            if (read > 0) {
043                nonXmlCharFilterer.filter(cbuf, off, read);
044            }
045            return read;
046        }
047    
048    }