/**
* Copyright (c) 2009, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* 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.wso2.carbon.reporting.core.internal;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.BundleEvent;
import org.osgi.framework.BundleListener;
import org.wso2.carbon.registry.core.Registry;
import org.wso2.carbon.registry.core.Resource;
import org.wso2.carbon.registry.core.service.RegistryService;
import org.wso2.carbon.reporting.api.ReportingException;
import java.io.InputStream;
import java.net.URL;
import java.util.Enumeration;
/**
* if there are .jrxml file of any bundle it will put to registry
*/
public class JRxmlFileBundleListener implements BundleListener {
private static Log log = LogFactory.getLog(JRxmlFileBundleListener.class);
public void bundleChanged(BundleEvent bundleEvent) {
Bundle bundle = bundleEvent.getBundle();
try {
if (bundleEvent.getType() == BundleEvent.STARTED) {
addJrXmlToRegistry(bundle);
}
} catch (Exception e) {
log.error("Error occurred when putting jrXml file to registry in bundle "
+ bundle.getSymbolicName(), e);
}
}
/**
* used to add .jrxml files to registry at bundle deployment time
*
* @param bundle Bundle
* @throws ReportingException error occurred adding .jrxml file to registry
*/
public void addJrXmlToRegistry(Bundle bundle) throws ReportingException {
BundleContext bundleContext = bundle.getBundleContext();
String reportResource = "/reports/";
Enumeration enumeration = bundleContext.getBundle().getEntryPaths(reportResource);
if (enumeration == null) {
return;
}
try {
RegistryService registryService = ReportingComponent.getRegistryService();
Registry registry = registryService.getConfigSystemRegistry();
registry.beginTransaction();
Resource reportFilesResource = registry.newResource();
InputStream xmlStream = null;
try{
while (enumeration.hasMoreElements()) {
String path = enumeration.nextElement().toString();
URL url = bundleContext.getBundle().getResource(path);
if (url == null) {
return;
}
xmlStream = url.openStream();
if (xmlStream == null) {
return;
}
reportFilesResource.setContentStream(xmlStream);
String location = "/reports/" + bundle.getSymbolicName() + "/" + path.split("/")[1];
registry.put(location, reportFilesResource);
}
}finally {
xmlStream.close();
}
registry.commitTransaction();
} catch (Exception e) {
String msg = "Error occurred adding .jrxml file from " +
bundle.getSymbolicName() + " to registry";
throw new ReportingException(msg, e);
}
}
}