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 net.sf.sail.webapp.dao.sds.SdsJnlpUpdateCommand; import net.sf.sail.webapp.domain.sds.SdsJnlp; import net.sf.sail.webapp.domain.webservice.http.HttpPutRequest; import org.apache.commons.httpclient.HttpStatus; /** * Implementation of <code>SdsJnlpUpdateCommand</code> which updates an JNLP * in the Sail Data Service (uses Http REST). This class is thread-safe. * * @author Laurel Williams * * @version $Id$ * */ public class SdsJnlpUpdateCommandHttpRestImpl extends AbstractHttpRestCommand implements SdsJnlpUpdateCommand { private static final ThreadLocal<SdsJnlp> SDS_JNLP = new ThreadLocal<SdsJnlp>(); /** * @see net.sf.sail.webapp.dao.sds.SdsJnlpCreateCommand#setSdsJnlp(net.sf.sail.webapp.domain.sds.SdsJnlp) */ public void setSdsJnlp(SdsJnlp sdsJnlp) { SDS_JNLP.set(sdsJnlp); } private SdsJnlp getSdsJnlp() { return SDS_JNLP.get(); } /** * @see net.sf.sail.webapp.dao.sds.SdsCommand#generateRequest() */ @SuppressWarnings("unchecked") public HttpPutRequest generateRequest() { final SdsJnlp sdsJnlp = this.getSdsJnlp(); final String bodyData = "<jnlp><name>" + sdsJnlp.getName() + "</name><url>" + sdsJnlp.getUrl() + "</url></jnlp>"; final String url = "/jnlp/" + sdsJnlp.getSdsObjectId(); return new HttpPutRequest(REQUEST_HEADERS_CONTENT, bodyData, url, HttpStatus.SC_CREATED); } /** * @see net.sf.sail.webapp.dao.sds.SdsCommand#execute() */ public SdsJnlp execute(final HttpPutRequest httpRequest) { this.transport.put(httpRequest); final SdsJnlp sdsJnlp = this.getSdsJnlp(); // clear the thread local reference to avoid resource leak since we're // done executing SDS_JNLP.set(null); return sdsJnlp; } }