Package org.apache.aries.application.management.repository

Source Code of org.apache.aries.application.management.repository.ApplicationRepository$BundleSuggestionImpl

/*
* 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 WARRANTIESOR 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.aries.application.management.repository;

import java.util.Set;

import org.apache.aries.application.Content;
import org.apache.aries.application.DeploymentContent;
import org.apache.aries.application.management.AriesApplication;
import org.apache.aries.application.management.BundleInfo;
import org.apache.aries.application.management.spi.framework.BundleFramework;
import org.apache.aries.application.management.spi.repository.BundleRepository;
import org.apache.aries.application.management.spi.resolve.AriesApplicationResolver;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleException;
import org.osgi.framework.Version;

public class ApplicationRepository implements BundleRepository
{
  private static final int REPOSITORY_COST = 0;

  private AriesApplication app;
  AriesApplicationResolver resolver;

  public ApplicationRepository(AriesApplication app)
  {
    this.app = app;
  }
 
  public int getCost()
  {
    return REPOSITORY_COST;
  }

  public BundleSuggestion suggestBundleToUse(DeploymentContent content)
  {
    BundleInfo bundleInfo = null;
    if ((app.getBundleInfo() != null) && (!app.getBundleInfo().isEmpty())) {
      for (BundleInfo bi : app.getBundleInfo()) {
        if (bi.getSymbolicName().equals(content.getContentName()) && (bi.getVersion().equals(content.getVersion().getExactVersion()))) {
          bundleInfo = bi;
          break;
        }
      }
    }
   
    if (bundleInfo != null) {
      return new BundleSuggestionImpl(bundleInfo);
    } else {
      return null;
    }
  }

  private class BundleSuggestionImpl implements BundleSuggestion
  {
    private final BundleInfo bundleInfo;
   
    BundleSuggestionImpl(BundleInfo bundleInfo)
    {
      this.bundleInfo = bundleInfo;
    }

    public int getCost()
    {
      return REPOSITORY_COST;
    }

    public Set<Content> getExportPackage()
    {
      if (bundleInfo != null) {
      return bundleInfo.getExportPackage();
      } else {
        return null;
      }
    }

    public Set<Content> getImportPackage()
    {
      if (bundleInfo != null) {
        return bundleInfo.getImportPackage();
        } else {
          return null;
        }
     
    }

    public Version getVersion()
    {
      if (bundleInfo != null) {
        return bundleInfo.getVersion();
        } else {         
          return null;
        }
     
    }

    public Bundle install(BundleFramework framework, AriesApplication app) throws BundleException
    {
      if (bundleInfo != null ) {
        return framework.getIsolatedBundleContext().installBundle(bundleInfo.getLocation());
      } else {
        throw new BundleException("Unable to install the bundle, as the BundleInfo is null.");
      }
    }
   
  }
 
}
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