/*
* 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.gadget.internal;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.wso2.carbon.application.deployer.service.ApplicationManagerService;
import org.wso2.carbon.application.deployer.gadget.GadgetAppDeployer;
import org.wso2.carbon.application.deployer.gadget.GadgetAppUndeployer;
import org.wso2.carbon.application.deployer.Feature;
import org.wso2.carbon.application.deployer.AppDeployerConstants;
import org.wso2.carbon.application.deployer.AppDeployerUtils;
import org.osgi.service.component.ComponentContext;
import java.util.List;
import java.util.HashMap;
import java.net.URL;
import java.io.InputStream;
/**
* @scr.component name="application.deployer.gadget" immediate="true"
* @scr.reference name="application.manager"
* interface="org.wso2.carbon.application.deployer.service.ApplicationManagerService"
* cardinality="1..1" policy="dynamic" bind="setAppManager" unbind="unsetAppManager"
*/
public class GadgetAppDeployerDSComponent {
private static Log log = LogFactory.getLog(GadgetAppDeployerDSComponent.class);
private static ApplicationManagerService applicationManager;
private static HashMap<String, List<Feature>> requiredFeatures;
private GadgetAppDeployer gadgetDeployer = null;
private GadgetAppUndeployer gadgetUndeployer = null;
protected void activate(ComponentContext ctxt) {
try {
//register gadget deployer and undeployer in the ApplicationManager
gadgetDeployer = new GadgetAppDeployer();
gadgetUndeployer = new GadgetAppUndeployer();
applicationManager.registerDeploymentHandler(gadgetDeployer);
applicationManager.registerUndeploymentHandler(gadgetUndeployer);
// 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 Gadget Application Deployer", e);
}
}
protected void deactivate(ComponentContext ctxt) {
//unregister deployer and undeployer in the ApplicationManager
applicationManager.unregisterDeploymentHandler(gadgetDeployer);
applicationManager.unregisterUndeploymentHandler(gadgetUndeployer);
}
protected void setAppManager(ApplicationManagerService appManager) {
applicationManager = appManager;
}
protected void unsetAppManager(ApplicationManagerService appManager) {
applicationManager = null;
}
public static HashMap<String, List<Feature>> getRequiredFeatures() {
return requiredFeatures;
}
}