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

Introduction

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

Source

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

    private App application;
    private String domainGUID;
    private String appHost;

    public String getAppHost() {
        return appHost;
    }

    private String commandName;

    protected FindRouteCommand(Target target, App app, String domainGUID) {
        super(target);
        this.application = app;
        this.domainGUID = domainGUID;

        String[] bindings = { domainGUID };
        this.commandName = NLS.bind("Find route within the given domain ({0})", bindings);
    }

    @Override
    protected ServerStatus _doIt() {
        try {

            /* create cloud foundry application */
            URI targetURI = URIUtil.toURI(target.getUrl());
            URI routesURI = targetURI.resolve("/v2/routes"); //$NON-NLS-1$

            GetMethod findRouteMethod = new GetMethod(routesURI.toString());
            HttpUtil.configureHttpMethod(findRouteMethod, target);
            findRouteMethod
                    .setQueryString("inline-relations-depth=1&q=host:" + appHost + ";domain_guid:" + domainGUID); //$NON-NLS-1$ //$NON-NLS-2$

            ServerStatus status = HttpUtil.executeMethod(findRouteMethod);
            if (!status.isOK())
                return status;

            JSONObject response = status.getJsonData();
            if (response.getInt(CFProtocolConstants.V2_KEY_TOTAL_RESULTS) < 1)
                return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Route not found", null);

            /* retrieve the GUID */
            JSONArray resources = response.getJSONArray(CFProtocolConstants.V2_KEY_RESOURCES);
            JSONObject route = resources.getJSONObject(0);

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

        } 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);
        }
    }

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

            /* extract host information if present */
            ManifestParseTree hostNode = app.getOpt(CFProtocolConstants.V2_KEY_HOST);
            appHost = (hostNode != null) ? hostNode.getValue() : null;

            if (appHost != null)
                return Status.OK_STATUS;

            return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Route not found", null);

        } catch (InvalidAccessException e) {
            return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST, e.getMessage(), null);
        }
    }
}