/* * Copyright (c) 2005, John Mettraux, OpenWFE.org * All rights reserved. *  * Redistribution and use in source and binary forms, with or without  * modification, are permitted provided that the following conditions are met: *  * . Redistributions of source code must retain the above copyright notice, this *   list of conditions and the following disclaimer.   *  * . Redistributions in binary form must reproduce the above copyright notice,  *   this list of conditions and the following disclaimer in the documentation  *   and/or other materials provided with the distribution. *  * . Neither the name of the "OpenWFE" nor the names of its contributors may be *   used to endorse or promote products derived from this software without *   specific prior written permission. *  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE  * POSSIBILITY OF SUCH DAMAGE. * * $Id: RestWorkSession.java,v 1.8 2005/05/17 16:41:04 jmettraux Exp $ *///// RestWorkSession.java//// john.mettraux@openwfe.org//// generated with // jtmpl 1.0.04 31.10.2002 John Mettraux (jmettraux@openwfe.org)//package openwfe.org.worklist.impl;import java.nio.channels.SelectionKey;import openwfe.org.ServiceException;import openwfe.org.ApplicationContext;import openwfe.org.rmi.session.WorkSessionServer;import openwfe.org.rmi.session.WorkSessionServerImpl;import openwfe.org.rest.RestUtils;import openwfe.org.rest.RestService;import openwfe.org.rest.RmiBridgedRestSession;import openwfe.org.engine.workitem.LaunchItem;import openwfe.org.engine.workitem.InFlowWorkItem;import openwfe.org.engine.workitem.WorkItemCoderLoader;import openwfe.org.engine.expressions.FlowExpressionId;import openwfe.org.worklist.Launchable;import openwfe.org.worklist.WorkSession;import openwfe.org.worklist.WorkListException;import openwfe.org.worklist.impl.XmlWorkItemAndHeaderCoder;/** * An association with a rmi worksession * * <p><font size=2>CVS Info : * <br>$Author: jmettraux $ * <br>$Date: 2005/05/17 16:41:04 $ * <br>$Id: RestWorkSession.java,v 1.8 2005/05/17 16:41:04 jmettraux Exp $ </font> * * @author john.mettraux@openwfe.org */public class RestWorkSession    extends RmiBridgedRestSession{    private final static org.apache.log4j.Logger log = org.apache.log4j.Logger        .getLogger(RestWorkSession.class.getName());    //    // CONSTANTS and DEFINITIONS    private final static String E_LAUNCHABLES = "launchables";    private final static String E_LAUNCHABLE = "launchable";    private final static String A_ENGINE_ID = "engine-id";    private final static String A_URL = "url";    //    // FIELDS    private WorkSession session = null;    private XmlWorkItemAndHeaderCoder coder = null;    //    // CONSTRUCTORS    public void init        (final RestService service,          final Long sessionId,          final String username,         final String password)    throws        ServiceException    {        super.init(service, sessionId, username, password);        //        // locating the coder that will be used                final WorkItemCoderLoader loader = openwfe.org.engine.Definitions            .getWorkItemCoderLoader(this.service.getContext());        log.debug("init() loader is "+loader);        this.coder = (XmlWorkItemAndHeaderCoder)loader.getXmlCoder();        log.info            ("HeaderCoder successfully located");    }    //    // METHODS from RestSession    protected boolean authentify         (final String username, final String password)    throws         ServiceException    {        try        {            this.session = (WorkSession)getWorkSessionServer()                .login(username, password);        }        catch (final Exception e)        {            throw new ServiceException("login failed", e);        }        return true;    }    //    // METHODS    //    // session methods    public void do_getstorenames        (final SelectionKey key, final String firstLine, final byte[] request)    throws         Exception    {        do_liststores(key, firstLine, request);    }    public void do_liststores        (final SelectionKey key, final String firstLine, final byte[] request)    throws         Exception    {        java.util.List storeNames = this.session.getStoreNames();        org.jdom.Element eStores = new org.jdom.Element("stores");                java.util.Iterator it = storeNames.iterator();        while (it.hasNext())        {            eStores.addContent(buildStoreElement((String)it.next()));        }        reply(key, eStores);    }    protected org.jdom.Element buildStoreElement (String storeName)        throws Exception    {        int count = 0;        try        {            count = this.session.countWorkItems(storeName);        }        catch (java.security.AccessControlException ace)        {            // ignore        }        String permissionString = "";        try        {            if (this.session.checkPermission(storeName, "read"))                permissionString += "r";        }        catch (java.security.AccessControlException ace)        {            // ignore        }        try        {            if (this.session.checkPermission(storeName, "write"))                permissionString += "w";        }        catch (java.security.AccessControlException ace)        {            // ignore        }        try        {            if (this.session.checkPermission(storeName, "delegate"))                permissionString += "d";        }        catch (java.security.AccessControlException ace)        {            // ignore        }        try        {            if (this.session.checkPermission(storeName, "browse"))                permissionString += "b";        }        catch (java.security.AccessControlException ace)        {            // ignore        }        org.jdom.Element elt = new org.jdom.Element("store");        elt.setAttribute("name", storeName);        elt.setAttribute("workitem-count", ""+count);        elt.setAttribute("permissions", permissionString);        return elt;    }    public void do_getheaders        (final SelectionKey key, final String firstLine, final byte[] request)    throws         Exception    {        final String storeName = extractStoreName(firstLine);        int limit = -1;        try        {            limit = Integer.parseInt                (RestUtils.extractFromLine(firstLine, "limit"));        }        catch (Exception e)        {            // ignore        }        final java.util.List headers =             this.session.getHeaders(storeName, limit);        reply(key, getCoder().encodeHeadersAsXml(headers));    }    public void do_findflowinstance        (final SelectionKey key, final String firstLine, final byte[] request)    throws         Exception    {        String storeName = extractStoreName(firstLine);        String wfid = null;        try        {            wfid = RestUtils.extractFromLine(firstLine, "id");        }        catch (Exception e)        {