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1   /*
2    * Copyright [2007] [University Corporation for Advanced Internet Development, Inc.]
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.opensaml.xml.parse;
18  
19  import org.slf4j.Logger;
20  import org.xml.sax.ErrorHandler;
21  import org.xml.sax.SAXException;
22  import org.xml.sax.SAXParseException;
23  
24  /**
25   * A SAX error handler that logs errors a {@link Logger} before rethrowing them.
26   */
27  public class LoggingErrorHandler implements ErrorHandler {
28  
29      /** Error logger. */
30      private Logger log;
31  
32      /**
33       * Constructor.
34       * 
35       * @param logger logger errors will be written to
36       */
37      public LoggingErrorHandler(Logger logger) {
38          log = logger;
39      }
40  
41      /** {@inheritDoc} */
42      public void error(SAXParseException exception) throws SAXException {
43          log.error("XML Parsing Error:", exception);
44          throw exception;
45      }
46  
47      /** {@inheritDoc} */
48      public void fatalError(SAXParseException exception) throws SAXException {
49          log.error("XML Parsing Error", exception);
50          throw exception;
51      }
52  
53      /** {@inheritDoc} */
54      public void warning(SAXParseException exception) throws SAXException {
55          log.warn("XML Parsing Error", exception);
56          throw exception;
57      }
58  }