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

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

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/*******************************************************************************
 * Copyright (c) 2013 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.Domain;
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 GetDomainsCommand extends AbstractCFCommand {
    private final Logger logger = LoggerFactory.getLogger("org.eclipse.orion.server.cf"); //$NON-NLS-1$

    private String commandName;
    private String domainName;

    private List<Domain> domains;

    public GetDomainsCommand(Target target) {
        super(target);
        this.commandName = "Get available target domains";
    }

    public GetDomainsCommand(Target target, String domainName) {
        super(target);
        this.commandName = "Get available target domains";
        this.domainName = domainName;
    }

    public List<Domain> getDomains() {
        assertWasRun();
        return domains;
    }

    @Override
    protected ServerStatus _doIt() {
        try {
            /* get available domains */
            URI targetURI = URIUtil.toURI(target.getUrl());
            String domainsURL = target.getSpace().getCFJSON().getJSONObject(CFProtocolConstants.V2_KEY_ENTITY)
                    .getString(CFProtocolConstants.V2_KEY_DOMAINS_URL);
            URI domainsURI = targetURI.resolve(domainsURL);

            GetMethod getDomainsMethod = new GetMethod(domainsURI.toString());
            HttpUtil.configureHttpMethod(getDomainsMethod, target);
            getDomainsMethod.setQueryString("inline-relations-depth=1"); //$NON-NLS-1$
            ServerStatus getDomainStatus = HttpUtil.executeMethod(getDomainsMethod);

            /* extract available domains */
            JSONObject domainsJSON = getDomainStatus.getJsonData();

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

            JSONObject result = new JSONObject();
            domains = new ArrayList<Domain>();
            JSONArray resources = domainsJSON.getJSONArray(CFProtocolConstants.V2_KEY_RESOURCES);
            for (int k = 0; k < resources.length(); ++k) {
                JSONObject domainJSON = resources.getJSONObject(k);
                Domain domain = new Domain();
                domain.setCFJSON(domainJSON);
                if (domainName == null || domainName.equals(domain.getDomainName())) {
                    domains.add(domain);
                    result.append("Domains", domain.toJSON());
                }
            }

            if (domains.isEmpty())
                return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_NOT_FOUND, "Domain can not be found",
                        null);

            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);
        }
    }
}