svn commit: r703119 - /forrest/branches/dispatcher_rewrite/plugins/org.apache.forrest.plugin.internal.dispatcher/src/java/org/apache/forrest/dispatcher/impl/helper/LoggingErrorListener.java

[th...@apache.org]

Author: thorsten
Date: Thu Oct  9 03:31:45 2008
New Revision: 703119

URL: http://svn.apache.org/viewvc?rev=703119&view=rev
Log:
Adding an errorListener implementation to better control problems that may happen in the xsl transformation

Added:
    forrest/branches/dispatcher_rewrite/plugins/org.apache.forrest.plugin.internal.dispatcher/src/java/org/apache/forrest/dispatcher/impl/helper/LoggingErrorListener.java   (with props)

Added: forrest/branches/dispatcher_rewrite/plugins/org.apache.forrest.plugin.internal.dispatcher/src/java/org/apache/forrest/dispatcher/impl/helper/LoggingErrorListener.java
URL: http://svn.apache.org/viewvc/forrest/branches/dispatcher_rewrite/plugins/org.apache.forrest.plugin.internal.dispatcher/src/java/org/apache/forrest/dispatcher/impl/helper/LoggingErrorListener.java?rev=703119&view=auto
==============================================================================
--- forrest/branches/dispatcher_rewrite/plugins/org.apache.forrest.plugin.internal.dispatcher/src/java/org/apache/forrest/dispatcher/impl/helper/LoggingErrorListener.java (added)
+++ forrest/branches/dispatcher_rewrite/plugins/org.apache.forrest.plugin.internal.dispatcher/src/java/org/apache/forrest/dispatcher/impl/helper/LoggingErrorListener.java Thu Oct  9 03:31:45 2008
@@ -0,0 +1,62 @@
+/*
+ * 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.forrest.dispatcher.impl.helper;
+
+import javax.xml.transform.ErrorListener;
+import javax.xml.transform.TransformerException;
+
+import org.apache.commons.logging.Log;
+
+public class LoggingErrorListener implements ErrorListener {
+
+private Log logger;
+  
+  public LoggingErrorListener(Log logger) {
+    this.logger = logger;
+  }
+  
+  public void warning(TransformerException exception) {
+ // Don't throw an exception and stop the processor
+    // just for a warning; but do log the problem
+    logger.warn(exception.getMessage(), exception);
+    
+  }
+  
+  public void error(TransformerException exception)
+   throws TransformerException {
+    // XSLT is not as draconian as XML. There are numerous errors
+    // which the processor may but does not have to recover from; 
+    // e.g. multiple templates that match a node with the same
+    // priority. I do not want to allow that so I throw this 
+    // exception here.
+    logger.error(exception.getMessage(), exception);
+  
+    throw exception;
+    
+  }
+  
+  public void fatalError(TransformerException exception)
+   throws TransformerException {
+ // This is an error which the processor cannot recover from; 
+    // e.g. a malformed stylesheet or input document
+    // so I must throw this exception here.
+    logger.fatal(exception.getMessage(), exception);
+    throw exception;
+  }
+
+
+}

Propchange: forrest/branches/dispatcher_rewrite/plugins/org.apache.forrest.plugin.internal.dispatcher/src/java/org/apache/forrest/dispatcher/impl/helper/LoggingErrorListener.java
------------------------------------------------------------------------------
    svn:eol-style = native