Package org.apache.karaf.jndi.command.completers

Source Code of org.apache.karaf.jndi.command.completers.ServicesIdCompleter

/*
* 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.jndi.command.completers;

import org.apache.karaf.shell.api.action.lifecycle.Reference;
import org.apache.karaf.shell.api.action.lifecycle.Service;
import org.apache.karaf.shell.api.console.CommandLine;
import org.apache.karaf.shell.api.console.Completer;
import org.apache.karaf.shell.api.console.Session;
import org.apache.karaf.shell.support.completers.StringsCompleter;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Constants;
import org.osgi.framework.ServiceReference;

import java.util.List;

/**
* Completer on the OSGi services ID.
*/
@Service
public class ServicesIdCompleter implements Completer {

    @Reference
    private BundleContext bundleContext;

    @Override
    public int complete(Session session, CommandLine commandLine, List<String> candidates) {
        StringsCompleter delegate = new StringsCompleter();
        Bundle[] bundles = bundleContext.getBundles();
        for (Bundle bundle : bundles) {
            ServiceReference[] references = bundle.getRegisteredServices();
            if (references != null) {
                for (ServiceReference reference : references) {
                    if (reference.getProperty(Constants.SERVICE_ID) != null) {
                        delegate.getStrings().add(reference.getProperty(Constants.SERVICE_ID).toString());
                    }
                }
            }
        }
        return delegate.complete(session, commandLine, candidates);
    }

    public BundleContext getBundleContext() {
        return bundleContext;
    }

    public void setBundleContext(BundleContext bundleContext) {
        this.bundleContext = bundleContext;
    }

}
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