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

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Here is the source code for org.eclipse.orion.server.cf.commands.GetRoutesCommand.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 java.util.ArrayList;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
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.objects.Route;
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.JSONArray;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

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

    private String commandName;
    private String domainName;
    private String hostName;
    private boolean orphaned;

    private List<Route> routes;

    public GetRoutesCommand(Target target, boolean orphaned) {
        super(target);
        this.commandName = "Get Routes";
        this.orphaned = orphaned;
    }

    public GetRoutesCommand(Target target, String domainName, String hostName) {
        super(target);
        this.commandName = "Get Routes";
        this.domainName = domainName;
        this.hostName = hostName;
    }

    public List<Route> getRoutes() {
        assertWasRun();
        return routes;
    }

    @Override
    protected ServerStatus _doIt() {
        try {
            /* get available routes */
            URI targetURI = URIUtil.toURI(target.getUrl());
            String routesURL = target.getSpace().getCFJSON().getJSONObject(CFProtocolConstants.V2_KEY_ENTITY)
                    .getString(CFProtocolConstants.V2_KEY_ROUTES_URL);
            URI routesURI = targetURI.resolve(routesURL);

            GetMethod getRoutesMethod = new GetMethod(routesURI.toString());
            HttpUtil.configureHttpMethod(getRoutesMethod, target);
            getRoutesMethod.setQueryString("inline-relations-depth=1"); //$NON-NLS-1$

            ServerStatus getRouteStatus = HttpUtil.executeMethod(getRoutesMethod);
            if (!getRouteStatus.isOK())
                return getRouteStatus;

            /* extract available routes */
            JSONObject routesJSON = getRouteStatus.getJsonData();

            if (routesJSON.getInt(CFProtocolConstants.V2_KEY_TOTAL_RESULTS) < 1) {
                return new ServerStatus(IStatus.OK, HttpServletResponse.SC_OK, null, null);
            }

            JSONObject result = new JSONObject();
            routes = new ArrayList<Route>();
            JSONArray resources = routesJSON.getJSONArray(CFProtocolConstants.V2_KEY_RESOURCES);
            for (int k = 0; k < resources.length(); ++k) {
                JSONObject routeJSON = resources.getJSONObject(k);
                Route route = new Route();
                route.setCFJSON(routeJSON);

                if (domainName == null || (domainName.equals(route.getDomainName())
                        && (hostName == null || hostName.equals(route.getHost())))) {
                    if (!orphaned || route.getCFJSON().getJSONObject(CFProtocolConstants.V2_KEY_ENTITY)
                            .getJSONArray(CFProtocolConstants.V2_KEY_APPS).length() == 0) {
                        routes.add(route);
                        result.append("Routes", route.toJSON());
                    }
                }
            }

            return new ServerStatus(Status.OK_STATUS, HttpServletResponse.SC_OK, result);
        } 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);
        }
    }
}