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

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Here is the source code for org.eclipse.orion.server.cf.commands.GetAppCommand.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 java.net.URLEncoder;
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.Target;
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 GetAppCommand extends AbstractCFCommand {

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

    private String commandName;
    private String name;
    private App app;

    public GetAppCommand(Target target, String name) {
        super(target);

        String[] bindings = { name };
        this.commandName = NLS.bind("Get application {0}", bindings);

        this.name = name;
    }

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

            // Find the app
            String appsUrl = target.getSpace().getCFJSON().getJSONObject("entity").getString("apps_url");
            URI appsURI = targetURI.resolve(appsUrl);
            GetMethod getAppsMethod = new GetMethod(appsURI.toString());
            HttpUtil.configureHttpMethod(getAppsMethod, target);
            getAppsMethod.setQueryString("q=name:" + URLEncoder.encode(name, "UTF8") + "&inline-relations-depth=1");

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

            JSONObject apps = 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 = apps.getJSONArray("resources").getJSONObject(0).getJSONObject("metadata");

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

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

            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);

            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;
    }
}