/*
* Copyright 2011 the original author or authors.
*
* 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.gradle.tooling.internal.consumer.parameters;
import org.gradle.internal.event.ListenerBroadcast;
import org.gradle.tooling.ProgressEvent;
import org.gradle.tooling.ProgressListener;
import org.gradle.tooling.internal.protocol.ProgressListenerVersion1;
import java.util.LinkedList;
import java.util.List;
class ProgressListenerAdapter implements ProgressListenerVersion1 {
private final ListenerBroadcast<ProgressListener> listeners = new ListenerBroadcast<ProgressListener>(ProgressListener.class);
private final LinkedList<String> stack = new LinkedList<String>();
ProgressListenerAdapter(List<ProgressListener> listeners) {
this.listeners.addAll(listeners);
}
public void onOperationStart(final String description) {
stack.addFirst(description == null ? "" : description);
fireChangeEvent();
}
public void onOperationEnd() {
stack.removeFirst();
fireChangeEvent();
}
private void fireChangeEvent() {
final String description = stack.isEmpty() ? "" : stack.getFirst();
listeners.getSource().statusChanged(new ProgressEvent() {
public String getDescription() {
return description;
}
});
}
}