Package org.apache.karaf.shell.osgi

Source Code of org.apache.karaf.shell.osgi.FindClass

/*
* 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.karaf.shell.osgi;

import java.util.Collection;

import org.apache.felix.gogo.commands.Argument;
import org.apache.felix.gogo.commands.Command;
import org.apache.karaf.shell.console.OsgiCommandSupport;
import org.osgi.framework.Bundle;
import org.osgi.framework.wiring.BundleWiring;

@Command(scope = "osgi", name = "find-class", description = "Locates a specified class in any deployed bundle")
public class FindClass extends OsgiCommandSupport {

    @Argument(index = 0, name = "className", description = "Class name or partial class name to be found", required = true, multiValued = false)
    String className;

    protected Object doExecute() throws Exception {
        findResource();
        return null;
    }

    protected void findResource() {
        Bundle[] bundles = bundleContext.getBundles();
        String filter = "*" + className + "*";
        for (Bundle bundle : bundles) {
            BundleWiring wiring = (BundleWiring) bundle.adapt(BundleWiring.class);
            if (wiring != null) {
                Collection<String> resources = wiring.listResources("/", filter, BundleWiring.LISTRESOURCES_RECURSE);
                if (resources.size() > 0) {
                    System.out.println("\n" + Util.getBundleName(bundle));
                }
                for (String resource:resources) {
                    System.out.println(resource);
                }
            } else {
                System.out.println("Bundle " + bundle.getBundleId() + " is not resolved.");
            }
        }
    }

}
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