/*
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.carbon.application.deployer.bpmn.internal;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.component.ComponentContext;
import org.wso2.carbon.application.deployer.AppDeployerConstants;
import org.wso2.carbon.application.deployer.AppDeployerUtils;
import org.wso2.carbon.application.deployer.Feature;
import org.wso2.carbon.application.deployer.handler.AppDeploymentHandler;
import org.wso2.carbon.application.deployer.bpmn.BPMNAppDeployer;
import java.io.InputStream;
import java.net.URL;
import java.util.List;
import java.util.Map;
/**
* @scr.component name="application.deployer.bpmn" immediate="true"
*/
public class BPMNAppDeployerDSComponent {
private static Log log = LogFactory.getLog(BPMNAppDeployerDSComponent.class);
private static Map<String, List<Feature>> requiredFeatures;
private static ServiceRegistration appHandlerRegistration;
protected void activate(ComponentContext ctxt) {
try {
//register bpmn deployer as an OSGi Service
BPMNAppDeployer BPMNAppDeployer = new BPMNAppDeployer();
appHandlerRegistration = ctxt.getBundleContext().registerService(
AppDeploymentHandler.class.getName(), BPMNAppDeployer, null);
// read required-features.xml
URL reqFeaturesResource = ctxt.getBundleContext().getBundle()
.getResource(AppDeployerConstants.REQ_FEATURES_XML);
if (reqFeaturesResource != null) {
InputStream xmlStream = reqFeaturesResource.openStream();
requiredFeatures = AppDeployerUtils
.readRequiredFeaturs(new StAXOMBuilder(xmlStream).getDocumentElement());
}
} catch (Throwable e) {
log.error("Failed to activate BPMN Application Deployer", e);
}
}
protected void deactivate(ComponentContext ctxt) {
// Unregister the OSGi service
if (appHandlerRegistration != null) {
appHandlerRegistration.unregister();
}
}
public static Map<String, List<Feature>> getRequiredFeatures() {
return requiredFeatures;
}
}