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

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

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/*******************************************************************************
 * Copyright (c) 2015 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.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.URIUtil;
import org.eclipse.orion.server.cf.objects.Org;
import org.eclipse.orion.server.cf.objects.Space;
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.JSONException;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class GetSpaceByNameCommand extends AbstractCFCommand {

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

    private String commandName;
    private String spaceName;
    private String orgName;

    public GetSpaceByNameCommand(Target target, String orgName, String spaceName) {
        super(target);
        this.orgName = orgName;
        this.spaceName = spaceName;
        this.commandName = "Get Space By Name"; //$NON-NLS-1$
    }

    /**
     * Attempts to find the given space.
     * 
     * @param orgs
     *            The available non-empty space array
     * @param orgSpace
     *            The space to find
     * @throws JSONException
     */
    protected Space getSpace(JSONArray spaces, String orgSpace) throws JSONException {
        for (int i = 0; i < spaces.length(); i++) {
            JSONObject spaceJSON = spaces.getJSONObject(i);
            if (orgSpace.equals(spaceJSON.getJSONObject("entity").getString("name"))) //$NON-NLS-1$ //$NON-NLS-2$
                return new Space().setCFJSON(spaceJSON);
        }

        return null;
    }

    /**
     * Attempts to find the given organization.
     * @param orgs The available non-empty organization array
     * @param organization The organization to find
     * @throws JSONException
     */
    protected Org getOrganization(JSONArray orgs, String organization) throws JSONException {
        for (int i = 0; i < orgs.length(); ++i) {
            JSONObject orgJSON = orgs.getJSONObject(i);
            if (organization.equals(orgJSON.getJSONObject("entity").getString("name")))
                return new Org().setCFJSON(orgJSON);
        }

        return null;
    }

    public ServerStatus _doIt() {
        try {

            // check the org first

            URI targetURI = URIUtil.toURI(target.getUrl());
            URI orgsURI = targetURI.resolve("/v2/organizations"); //$NON-NLS-1$

            GetMethod getOrgsMethod = new GetMethod(orgsURI.toString());
            ServerStatus confStatus = HttpUtil.configureHttpMethod(getOrgsMethod, target.getCloud());
            if (!confStatus.isOK())
                return confStatus;

            ServerStatus getOrgsStatus = HttpUtil.executeMethod(getOrgsMethod);
            if (!getOrgsStatus.isOK() && getOrgsStatus.getHttpCode() != HttpServletResponse.SC_PARTIAL_CONTENT)
                return getOrgsStatus;

            JSONObject result = getOrgsStatus.getJsonData();
            JSONArray orgs = result.getJSONArray("resources"); //$NON-NLS-1$

            if (orgs.length() == 0)
                return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Organization not found",
                        null);

            Org organization = getOrganization(orgs, orgName);
            if (organization == null)
                return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Organization not found",
                        null);

            // now get the space

            String spaceUrl = organization.getCFJSON().getJSONObject("entity").getString("spaces_url"); //$NON-NLS-1$//$NON-NLS-2$
            URI spaceURI = targetURI.resolve(spaceUrl);

            GetMethod getSpaceMethod = new GetMethod(spaceURI.toString());
            confStatus = HttpUtil.configureHttpMethod(getSpaceMethod, target.getCloud());
            if (!confStatus.isOK())
                return confStatus;

            ServerStatus getSpaceStatus = HttpUtil.executeMethod(getSpaceMethod);
            if (!getSpaceStatus.isOK())
                return getSpaceStatus;

            result = getSpaceStatus.getJsonData();
            JSONArray spaces = result.getJSONArray("resources"); //$NON-NLS-1$

            if (spaces.length() == 0)
                return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Space not found", null);

            Space space = getSpace(spaces, spaceName);
            if (space == null)
                return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Space not found", null);

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