/*
* Copyright 1999,2004 The Apache Software Foundation.
*
* Licensed 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.joran.action;
import org.apache.joran.ExecutionContext;
import org.apache.joran.Pattern;
import org.apache.joran.helper.Option;
import org.apache.log4j.Logger;
import org.apache.log4j.spi.ErrorItem;
import org.xml.sax.Attributes;
public class NewRuleAction extends Action {
static final Logger logger = Logger.getLogger(NewRuleAction.class);
boolean inError = false;
/**
* Instantiates an layout of the given class and sets its name.
*
*/
public void begin(ExecutionContext ec, String localName, Attributes attributes) {
// Let us forget about previous errors (in this object)
inError = false;
String errorMsg;
String pattern = attributes.getValue(Action.PATTERN_ATTRIBUTE);
String actionClass = attributes.getValue(Action.ACTION_CLASS_ATTRIBUTE);
if(Option.isEmpty(pattern)) {
inError = true;
errorMsg = "No 'pattern' attribute in <newRule>";
logger.warn(errorMsg);
ec.addError(new ErrorItem(errorMsg));
return;
}
if(Option.isEmpty(actionClass)) {
inError = true;
errorMsg = "No 'actionClass' attribute in <newRule>";
logger.warn(errorMsg);
ec.addError(new ErrorItem(errorMsg));
return;
}
try {
logger.debug("About to add new Joran parsing rule ["+pattern+","+actionClass+"].");
ec.getJoranInterpreter().getRuleStore().addRule(new Pattern(pattern), actionClass);
} catch (Exception oops) {
inError = true;
errorMsg = "Could not add new Joran parsing rule ["+pattern+","+actionClass+"]";
logger.error(errorMsg, oops);
ec.addError(new ErrorItem(errorMsg));
}
}
/**
* Once the children elements are also parsed, now is the time to activate
* the appender options.
*/
public void end(ExecutionContext ec, String n) {
}
public void finish(ExecutionContext ec) {
}
}