Java tutorial
/** * Copyright (c) 2006 Encore Research Group, University of Toronto * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ package net.sf.sail.webapp.dao.sds.impl; import java.util.Map; import net.sf.sail.webapp.dao.sds.SdsOfferingCreateCommand; import net.sf.sail.webapp.domain.sds.SdsOffering; import net.sf.sail.webapp.domain.webservice.http.HttpPostRequest; import org.apache.commons.httpclient.HttpStatus; /** * Implementation of <code>SdsOfferingCreateCommand</code> which creates a * user in the Sail Data Service (uses Http REST). This class is thread-safe. * * @author Laurel Williams * * @version $Id$ * */ public class SdsOfferingCreateCommandHttpRestImpl extends AbstractHttpRestCommand implements SdsOfferingCreateCommand { private static final ThreadLocal<SdsOffering> SDS_OFFERING = new ThreadLocal<SdsOffering>(); /** * @see net.sf.sail.webapp.dao.sds.SdsJnlpCreateCommand#setSdsJnlp(net.sf.sail.webapp.domain.sds.SdsJnlp) */ public void setSdsOffering(SdsOffering sdsOffering) { SDS_OFFERING.set(sdsOffering); } private SdsOffering getSdsOffering() { return SDS_OFFERING.get(); } /** * @see net.sf.sail.webapp.dao.sds.SdsCommand#generateRequest() */ @SuppressWarnings("unchecked") public HttpPostRequest generateRequest() { final SdsOffering sdsOffering = this.getSdsOffering(); final String bodyData = "<offering><name>" + sdsOffering.getName() + "</name><curnit-id>" + sdsOffering.getSdsCurnit().getSdsObjectId() + "</curnit-id><jnlp-id>" + sdsOffering.getSdsJnlp().getSdsObjectId() + "</jnlp-id></offering>"; final String url = "/offering"; return new HttpPostRequest(REQUEST_HEADERS_CONTENT, EMPTY_STRING_MAP, bodyData, url, HttpStatus.SC_CREATED); } /** * @see net.sf.sail.webapp.dao.sds.SdsCommand#execute() */ public SdsOffering execute(final HttpPostRequest httpRequest) { final Map<String, String> responseHeaders = this.transport.post(httpRequest); final String locationHeader = responseHeaders.get("Location"); final SdsOffering sdsOffering = this.getSdsOffering(); // clear the thread local reference to avoid resource leak since we're // done executing SDS_OFFERING.set(null); sdsOffering.setSdsObjectId(new Long(locationHeader.substring(locationHeader.lastIndexOf("/") + 1))); return sdsOffering; } }