| /* |
| * 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.ode.utils.sax; |
| |
| import org.apache.ode.utils.msg.CommonMessages; |
| import org.apache.ode.utils.msg.MessageBundle; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.xml.sax.ErrorHandler; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.SAXParseException; |
| |
| /** |
| * An <code>ErrorHandler</code> implementation that dumps all of the error |
| * messages onto a logging channel at the debug level. |
| */ |
| public class LoggingErrorHandler implements ErrorHandler { |
| |
| private static final Log __log = LogFactory.getLog(LoggingErrorHandler.class); |
| private Log _l; |
| |
| private static final String WARNING = MessageBundle.getMessages(CommonMessages.class) |
| .strWarning().toUpperCase(); |
| private static final String ERROR = MessageBundle.getMessages(CommonMessages.class) |
| .strError().toUpperCase(); |
| private static final String FATAL = MessageBundle.getMessages(CommonMessages.class) |
| .strFatal().toUpperCase(); |
| |
| /** |
| * Construct a new instance that dumps messages onto the default logging |
| * channel defined by this class. |
| */ |
| public LoggingErrorHandler() { |
| _l = __log; |
| } |
| |
| /** |
| * Construct a new instance that dumps messages onto a specific logging |
| * channel. |
| * |
| * @param log |
| * the <code>Log</code> on which to dump messages. |
| */ |
| public LoggingErrorHandler(Log log) { |
| _l = log; |
| } |
| |
| /** |
| * @see org.xml.sax.ErrorHandler#warning(org.xml.sax.SAXParseException) |
| */ |
| public void warning(SAXParseException exception) throws SAXException { |
| if (_l.isDebugEnabled()) { |
| _l.debug(formatMessage(WARNING, exception)); |
| } |
| } |
| |
| /** |
| * @see org.xml.sax.ErrorHandler#error(org.xml.sax.SAXParseException) |
| */ |
| public void error(SAXParseException exception) throws SAXException { |
| if (_l.isDebugEnabled()) { |
| _l.debug(formatMessage(ERROR, exception)); |
| } |
| } |
| |
| /** |
| * @see org.xml.sax.ErrorHandler#fatalError(org.xml.sax.SAXParseException) |
| */ |
| public void fatalError(SAXParseException exception) throws SAXException { |
| if (_l.isDebugEnabled()) { |
| _l.debug(formatMessage(FATAL, exception)); |
| } |
| } |
| |
| private String formatMessage(String level, SAXParseException spe) { |
| StringBuffer sb = new StringBuffer(64); |
| |
| if (spe.getSystemId() != null) { |
| sb.append(spe.getSystemId()); |
| } |
| |
| sb.append(':'); |
| sb.append(spe.getLineNumber()); |
| sb.append(':'); |
| sb.append(spe.getColumnNumber()); |
| sb.append(':'); |
| sb.append(level); |
| sb.append(':'); |
| sb.append(spe.getMessage()); |
| |
| return sb.toString(); |
| } |
| |
| } |