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

Java tutorial

Introduction

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

Source

/*******************************************************************************
 * Copyright (c) 2013, 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.UUID;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.StringRequestEntity;
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.*;
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 CreateRouteCommand extends AbstractCFCommand {
    private final Logger logger = LoggerFactory.getLogger("org.eclipse.orion.server.cf"); //$NON-NLS-1$

    private String commandName;

    private Domain domain;
    private String hostName;
    private App app;

    private Route route;

    public CreateRouteCommand(Target target, Domain domain, String hostName) {
        super(target);

        this.domain = domain;
        this.hostName = hostName;
        this.commandName = NLS.bind("Create a new route (domain guid: {0})", domain.getGuid());
    }

    public CreateRouteCommand(Target target, Domain domain, App app) {
        super(target);

        this.domain = domain;
        this.app = app;
        this.commandName = NLS.bind("Create a new route (domain guid: {0})", domain.getGuid());
    }

    public Route getRoute() {
        return route;
    }

    @Override
    protected ServerStatus _doIt() {
        try {
            /* create cloud foundry application */
            URI targetURI = URIUtil.toURI(target.getUrl());
            URI routesURI = targetURI.resolve("/v2/routes"); //$NON-NLS-1$

            PostMethod createRouteMethod = new PostMethod(routesURI.toString());
            HttpUtil.configureHttpMethod(createRouteMethod, target);

            /* set request body */
            JSONObject routeRequest = new JSONObject();
            routeRequest.put(CFProtocolConstants.V2_KEY_SPACE_GUID, target.getSpace().getCFJSON()
                    .getJSONObject(CFProtocolConstants.V2_KEY_METADATA).getString(CFProtocolConstants.V2_KEY_GUID));
            routeRequest.put(CFProtocolConstants.V2_KEY_HOST, hostName);
            routeRequest.put(CFProtocolConstants.V2_KEY_DOMAIN_GUID, domain.getGuid());
            createRouteMethod.setRequestEntity(
                    new StringRequestEntity(routeRequest.toString(), "application/json", "utf-8")); //$NON-NLS-1$//$NON-NLS-2$
            createRouteMethod.setQueryString("inline-relations-depth=1"); //$NON-NLS-1$

            ServerStatus createRouteStatus = HttpUtil.executeMethod(createRouteMethod);
            if (!createRouteStatus.isOK())
                return createRouteStatus;

            route = new Route().setCFJSON(createRouteStatus.getJsonData());

            return createRouteStatus;
        } 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 {
            if (app == null && hostName != null)
                return Status.OK_STATUS;
            else if (app == null && hostName == null)
                return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_BAD_REQUEST,
                        "Missing host name parameter", null);

            /* read deploy parameters */
            ManifestParseTree manifest = app.getManifest();
            ManifestParseTree appNode = manifest.get("applications").get(0); //$NON-NLS-1$

            String appName = null;
            if (app.getName() != null)
                appName = app.getName();
            else
                appName = appNode.get(CFProtocolConstants.V2_KEY_NAME).getValue();

            /* if none provided, generate a default one */
            ManifestParseTree hostNode = appNode.getOpt(CFProtocolConstants.V2_KEY_HOST);
            hostName = (hostNode != null) ? hostNode.getValue() : (appName + "-" + UUID.randomUUID()); //$NON-NLS-1$

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