org.eclipse.orion.server.cf.commands.GetAppByGuidCommand.java Source code

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Here is the source code for org.eclipse.orion.server.cf.commands.GetAppByGuidCommand.java

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/*******************************************************************************
 * 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;
    }
}