/*
* 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.ace.webui.vaadin.component;
import org.apache.ace.client.repository.RepositoryObject;
import org.apache.ace.client.repository.object.Artifact2FeatureAssociation;
import org.apache.ace.client.repository.object.ArtifactObject;
import org.apache.ace.client.repository.object.Distribution2TargetAssociation;
import org.apache.ace.client.repository.object.DistributionObject;
import org.apache.ace.client.repository.object.Feature2DistributionAssociation;
import org.apache.ace.client.repository.object.FeatureObject;
import org.apache.ace.client.repository.object.TargetObject;
import org.apache.ace.webui.NamedObject;
import org.apache.ace.webui.domain.NamedObjectFactory;
import org.osgi.service.event.EventHandler;
import com.vaadin.ui.Label;
/**
* Denotes a status line in which a short summary of the latest actions in the UI are displayed.
*/
@SuppressWarnings("unchecked")
public class StatusLine extends Label implements EventHandler {
/**
* Creates a new {@link StatusLine} instance.
*/
public StatusLine() {
setImmediate(true);
}
@Override
public void handleEvent(org.osgi.service.event.Event event) {
String topic = event.getTopic();
RepositoryObject entity = (RepositoryObject) event.getProperty(RepositoryObject.EVENT_ENTITY);
String type = getType(topic);
String action = getAction(topic);
String name = getName(entity);
if (type != null) {
if (name != null) {
setStatus("%s '%s' %s...", type, name, action);
}
else if (action != null) {
setStatus("%s %s...", type, action);
}
}
}
/**
* Sets the status to the given message.
*
* @param msg
* the message;
* @param args
* the (optional) arguments.
*/
public void setStatus(String msg, Object... args) {
setValue(String.format(msg, args));
}
/**
* @param topic
* @return
*/
private String getAction(String topic) {
if (topic.endsWith("/" + RepositoryObject.TOPIC_REMOVED_SUFFIX)) {
return "removed";
}
else if (topic.endsWith("/" + RepositoryObject.TOPIC_ADDED_SUFFIX)) {
return "added";
}
else if (topic.endsWith("/" + RepositoryObject.TOPIC_CHANGED_SUFFIX)) {
return "changed";
}
return null;
}
private String getName(RepositoryObject entity) {
NamedObject obj = NamedObjectFactory.getNamedObject(entity);
if (obj == null) {
return null;
}
String name = obj.getName();
return name == null || "".equals(name.trim()) ? null : name;
}
private String getType(String topic) {
if (topic.contains(ArtifactObject.TOPIC_ENTITY_ROOT)) {
return "Artifact";
}
else if (topic.contains(FeatureObject.TOPIC_ENTITY_ROOT)) {
return "Feature";
}
else if (topic.contains(DistributionObject.TOPIC_ENTITY_ROOT)) {
return "Distribution";
}
else if (topic.contains(TargetObject.TOPIC_ENTITY_ROOT)) {
return "Target";
}
else if (topic.contains(Artifact2FeatureAssociation.TOPIC_ENTITY_ROOT)
|| topic.contains(Feature2DistributionAssociation.TOPIC_ENTITY_ROOT)
|| topic.contains(Distribution2TargetAssociation.TOPIC_ENTITY_ROOT)) {
return "Association";
}
return null;
}
}