/*
* 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.ivy.plugins.trigger;
import org.apache.ivy.core.IvyContext;
import org.apache.ivy.core.event.IvyEventFilter;
import org.apache.ivy.plugins.matcher.PatternMatcher;
import org.apache.ivy.util.filter.Filter;
/**
* Base class for easy trigger implementation. This base class takes of the event filtering part,
* the only method to implement in subclasses is {@link IvyListener#progress(IvyEvent)} which should
* do whatever the trigger needs to do when the event occurs. This method will only be called when
* an event matching the trigger filter occurs.
*
* @since 1.4
*/
public abstract class AbstractTrigger implements Trigger {
private Filter filter;
private String event;
private String expression;
private String matcher = PatternMatcher.EXACT;
public Filter getEventFilter() {
if (filter == null) {
filter = createFilter();
}
return filter;
}
private Filter createFilter() {
return new IvyEventFilter(getEvent(), getFilter(), getPatternMatcher());
}
private PatternMatcher getPatternMatcher() {
return IvyContext.getContext().getSettings().getMatcher(matcher);
}
public String getEvent() {
return event;
}
public void setEvent(String event) {
this.event = event;
}
public String getFilter() {
return expression;
}
public void setFilter(String filterExpression) {
expression = filterExpression;
}
public String getMatcher() {
return matcher;
}
public void setMatcher(String matcher) {
this.matcher = matcher;
}
}