/*
* Copyright 2009 NCHOVY
*
* 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.krakenapps.script;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.krakenapps.api.Script;
import org.krakenapps.api.ScriptArgument;
import org.krakenapps.api.ScriptContext;
import org.krakenapps.api.ScriptUsage;
import org.osgi.framework.BundleContext;
import org.osgi.framework.InvalidSyntaxException;
import org.osgi.framework.ServiceReference;
/**
* Implements OSGi related script commands
*
* @author xeraph
*
*/
public class OsgiScript implements Script {
private ScriptContext context;
private BundleContext bundleContext;
public OsgiScript(BundleContext bundleContext) {
this.bundleContext = bundleContext;
}
@Override
public void setScriptContext(ScriptContext context) {
this.context = context;
}
@ScriptUsage(description = "Print details for specific OSGi service", arguments = { @ScriptArgument(name = "id", type = "long", description = "the service.id property of OSGi service") })
public void properties(String[] args) {
try {
long id = Long.parseLong(args[0]);
ServiceReference[] refs = bundleContext.getServiceReferences(null, "(service.id=" + id + ")");
if (refs == null || refs.length == 0) {
context.println("service " + id + " not found");
return;
}
context.println("====== OSGi Service Properties ======");
ServiceReference ref = refs[0];
for (String key : ref.getPropertyKeys()) {
context.printf("%s: %s\n", key, ref.getProperty(key));
}
} catch (InvalidSyntaxException e) {
// ignore
}
}
@ScriptUsage(description = "Search and ist all OSGi services", arguments = { @ScriptArgument(name = "query term", type = "string", description = "search for description", optional = true) })
public void services(String[] args) {
context.println("========= OSGi Services =========");
List<ServiceInfo> list = new ArrayList<ServiceInfo>();
try {
ServiceReference[] refs = bundleContext.getServiceReferences(null, null);
for (int i = 0; i < refs.length; i++) {
Object o = bundleContext.getService(refs[i]);
long id = (Long) refs[i].getProperty("service.id");
String description = o.getClass().getName();
if (refs[i].getProperty("service.pid") != null)
description = refs[i].getProperty("service.pid").toString() + " (" + description + ")";
if (args.length > 0 && description.indexOf(args[0]) < 0)
continue;
list.add(new ServiceInfo(id, description));
}
} catch (InvalidSyntaxException e) {
// ignore
}
Collections.sort(list);
for (ServiceInfo desc : list) {
context.printf("[%3d] %s\n", desc.getId(), desc.getDescription());
}
}
class ServiceInfo implements Comparable<ServiceInfo> {
private long id;
private String description;
public ServiceInfo(long id, String description) {
this.id = id;
this.description = description;
}
public long getId() {
return id;
}
public String getDescription() {
return description;
}
@Override
public int compareTo(ServiceInfo o) {
return (int) (id - o.id);
}
}
}