Package org.eclipse.orion.server.cf.commands

Source Code of org.eclipse.orion.server.cf.commands.GetAppByGuidCommand

/*******************************************************************************
* Copyright (c) 2013 IBM Corporation and others
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.orion.server.cf.commands;

import java.net.URI;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.httpclient.methods.GetMethod;
import org.eclipse.core.runtime.*;
import org.eclipse.orion.server.cf.objects.App;
import org.eclipse.orion.server.cf.objects.Cloud;
import org.eclipse.orion.server.cf.utils.HttpUtil;
import org.eclipse.orion.server.core.ServerStatus;
import org.eclipse.osgi.util.NLS;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class GetAppByGuidCommand extends AbstractCFCommand {

  private final Logger logger = LoggerFactory.getLogger("org.eclipse.orion.server.cf"); //$NON-NLS-1$

  private String commandName;
  private String appGuid;
  private App app;

  public GetAppByGuidCommand(Cloud cloud, String appGuid) {
    super(cloud);
    this.commandName = "Get application";
    this.appGuid = appGuid;
  }

  public ServerStatus _doIt() {
    try {
      URI targetURI = URIUtil.toURI(getCloud().getUrl());

      // Get the app
      URI appsURI = targetURI.resolve("/v2/apps/" + appGuid);
      GetMethod getAppsMethod = new GetMethod(appsURI.toString());
      HttpUtil.configureHttpMethod(getAppsMethod, getCloud());

      ServerStatus getStatus = HttpUtil.executeMethod(getAppsMethod);
      if (!getStatus.isOK())
        return getStatus;

      JSONObject app = getStatus.getJsonData();

      //      if (!apps.has("resources") || apps.getJSONArray("resources").length() == 0)
      //        return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Application not found", null);

      // Get more details about the app
      JSONObject appJSON = app.getJSONObject("metadata");

      String summaryAppUrl = appJSON.getString("url") + "/summary";
      URI summaryAppURI = targetURI.resolve(summaryAppUrl);

      GetMethod getSummaryMethod = new GetMethod(summaryAppURI.toString());
      HttpUtil.configureHttpMethod(getSummaryMethod, getCloud());

      getStatus = HttpUtil.executeMethod(getSummaryMethod);
      if (!getStatus.isOK())
        return getStatus;

      JSONObject summaryJSON = getStatus.getJsonData();

      this.app = new App();
      this.app.setAppJSON(appJSON);
      this.app.setSummaryJSON(summaryJSON);
      this.app.setGuid(appJSON.getString("guid"));

      return new ServerStatus(Status.OK_STATUS, HttpServletResponse.SC_OK, this.app.toJSON());
    } catch (Exception e) {
      String msg = NLS.bind("An error occured when performing operation {0}", commandName); //$NON-NLS-1$
      logger.error(msg, e);
      return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, msg, e);
    }
  }

  public App getApp() {
    return app;
  }
}
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