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

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

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/*******************************************************************************
 * Copyright (c) 2014 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.DeleteMethod;
import org.apache.commons.httpclient.methods.GetMethod;
import org.eclipse.core.runtime.*;
import org.eclipse.orion.server.cf.CFProtocolConstants;
import org.eclipse.orion.server.cf.manifest.v2.InvalidAccessException;
import org.eclipse.orion.server.cf.manifest.v2.ManifestParseTree;
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.cf.utils.MultiServerStatus;
import org.eclipse.orion.server.core.ServerStatus;
import org.eclipse.osgi.util.NLS;
import org.json.JSONArray;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class DeleteApplicationRoutesCommand extends AbstractCFCommand {
    private final Logger logger = LoggerFactory.getLogger("org.eclipse.orion.server.cf"); //$NON-NLS-1$

    private String commandName;
    private String appName;
    private App app;

    public DeleteApplicationRoutesCommand(Target target, App app) {
        super(target);
        this.commandName = "Delete application route";
        this.app = app;
    }

    @Override
    protected ServerStatus _doIt() {
        MultiServerStatus status = new MultiServerStatus();

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

            // get app details
            // TODO: it should be passed along with App object
            String appsUrl = target.getSpace().getCFJSON().getJSONObject("entity").getString("apps_url"); //$NON-NLS-1$//$NON-NLS-2$
            URI appsURI = targetURI.resolve(appsUrl);
            GetMethod getAppsMethod = new GetMethod(appsURI.toString());
            HttpUtil.configureHttpMethod(getAppsMethod, target);
            getAppsMethod.setQueryString("q=name:" + appName + "&inline-relations-depth=1"); //$NON-NLS-1$ //$NON-NLS-2$

            ServerStatus appsStatus = HttpUtil.executeMethod(getAppsMethod);
            status.add(appsStatus);
            if (!status.isOK())
                return status;

            JSONObject jsonData = appsStatus.getJsonData();
            if (!jsonData.has("resources") || jsonData.getJSONArray("resources").length() == 0) //$NON-NLS-1$//$NON-NLS-2$
                return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Application not found",
                        null);
            JSONArray apps = jsonData.getJSONArray("resources");

            // get app routes
            String routesUrl = apps.getJSONObject(0).getJSONObject("entity").getString("routes_url");
            URI routesURI = targetURI.resolve(routesUrl);
            GetMethod getRoutesMethod = new GetMethod(routesURI.toString());
            HttpUtil.configureHttpMethod(getRoutesMethod, target);

            ServerStatus routesStatus = HttpUtil.executeMethod(getRoutesMethod);
            status.add(routesStatus);
            if (!status.isOK())
                return status;

            jsonData = routesStatus.getJsonData();
            if (!jsonData.has("resources") || jsonData.getJSONArray("resources").length() == 0) //$NON-NLS-1$//$NON-NLS-2$
                return new ServerStatus(IStatus.OK, HttpServletResponse.SC_OK, "No routes for the app", null);
            JSONArray routes = jsonData.getJSONArray("resources");

            for (int i = 0; i < routes.length(); ++i) {
                JSONObject route = routes.getJSONObject(i);

                // delete route
                String routeUrl = route.getJSONObject(CFProtocolConstants.V2_KEY_METADATA)
                        .getString(CFProtocolConstants.V2_KEY_URL);
                URI routeURI = targetURI.resolve(routeUrl); //$NON-NLS-1$
                DeleteMethod deleteRouteMethod = new DeleteMethod(routeURI.toString());
                HttpUtil.configureHttpMethod(deleteRouteMethod, target);

                ServerStatus deleteStatus = HttpUtil.executeMethod(deleteRouteMethod);
                status.add(deleteStatus);
                if (!status.isOK())
                    return status;
            }

            return status;

        } catch (Exception e) {
            String msg = NLS.bind("An error occured when performing operation {0}", commandName);
            logger.error(msg, e);
            return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, msg, e);
        }
    }

    @Override
    protected IStatus validateParams() {
        try {
            /* read deploy parameters */
            ManifestParseTree manifest = app.getManifest();
            ManifestParseTree manifestApp = manifest.get("applications").get(0); //$NON-NLS-1$

            if (app.getName() != null) {
                appName = app.getName();
                return Status.OK_STATUS;
            }

            appName = manifestApp.get(CFProtocolConstants.V2_KEY_NAME).getValue();
            return Status.OK_STATUS;
        } catch (InvalidAccessException e) {
            return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, e.getMessage(), null);
        }
    }
}