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.builder.xml;
018    
019    import javax.xml.transform.ErrorListener;
020    import javax.xml.transform.TransformerException;
021    
022    import org.xml.sax.ErrorHandler;
023    import org.xml.sax.SAXException;
024    import org.xml.sax.SAXParseException;
025    
026    import org.slf4j.Logger;
027    import org.slf4j.LoggerFactory;
028    
029    /**
030     * {@link ErrorHandler} and {@link ErrorListener} which will log warnings,
031     * and throws error and fatal as exception, which ensures those can be caught by Camel and dealt-with.
032     */
033    public class DefaultTransformErrorHandler implements ErrorHandler, ErrorListener {
034        private static final transient Logger LOG = LoggerFactory.getLogger(DefaultTransformErrorHandler.class);
035    
036        public void error(SAXParseException exception) throws SAXException {
037            throw exception;
038        }
039    
040        public void fatalError(SAXParseException exception) throws SAXException {
041            throw exception;
042        }
043    
044        public void warning(SAXParseException exception) throws SAXException {
045            LOG.warn("parser warning", exception);
046        }
047    
048        public void error(TransformerException exception) throws TransformerException {
049            throw exception;
050        }
051    
052        public void fatalError(TransformerException exception) throws TransformerException {
053            throw exception;
054        }
055    
056        public void warning(TransformerException exception) throws TransformerException {
057            LOG.warn("parser warning", exception);
058        }
059    
060    }