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/* |
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$Id$ |
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|
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Copyright (C) 2007 Nicklas Nordborg |
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|
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This file is part of BASE - BioArray Software Environment. |
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Available at http://base.thep.lu.se/ |
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8 |
|
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BASE is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
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as published by the Free Software Foundation; either version 2 |
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of the License, or (at your option) any later version. |
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13 |
|
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BASE is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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18 |
|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place - Suite 330, |
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Boston, MA 02111-1307, USA. |
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*/ |
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package net.sf.basedb.genepattern.servlet; |
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|
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import javax.servlet.ServletException; |
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import javax.servlet.http.HttpServlet; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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|
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import net.sf.basedb.clients.web.Base; |
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import net.sf.basedb.clients.web.extensions.ExtensionsControl; |
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import net.sf.basedb.core.PluginParameter; |
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import net.sf.basedb.core.SessionControl; |
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import net.sf.basedb.genepattern.GPServer; |
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import net.sf.basedb.genepattern.file.SupportFileTransferGateway; |
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import net.sf.basedb.genepattern.wrapper.GPClient; |
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import net.sf.basedb.genepattern.wrapper.ParameterInfo; |
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import net.sf.basedb.genepattern.wrapper.SupportFileInfo; |
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import net.sf.basedb.genepattern.wrapper.TaskInfo; |
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import net.sf.basedb.util.Values; |
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|
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import org.genepattern.webservice.WebServiceException; |
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|
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.LinkedHashMap; |
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import java.util.List; |
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import java.util.Map; |
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|
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/** |
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Servlet that gathers enough information so that we can launch a visualizer |
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module. The servlet needs the GenePattern "server" and "module" that |
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should be invoked as well as parameter values for all parameters that |
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are required by the given module. |
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<p> |
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57 |
|
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The servlet will contact the given GenePattern server and collection |
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more information about the module. Everything is put in a map that |
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is stored in the "appletParameters" request attribute. |
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<p> |
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62 |
|
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The request is forwarded to 'visualizer.jsp' that generates a |
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page with the proper <applet> parameters. |
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65 |
|
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@author Nicklas |
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@version 1.0 |
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@base.modified $Date$ |
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*/ |
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public final class Visualizer |
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extends HttpServlet |
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{ |
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|
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private static final long serialVersionUID = -4408846915389097744L; |
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|
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public Visualizer() |
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{} |
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|
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@Override |
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public void doGet(HttpServletRequest request, HttpServletResponse response) |
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throws IOException, ServletException |
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{ |
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String cmd = request.getParameter("cmd"); |
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String forward = null; |
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try |
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{ |
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if ("SelectServerModule".equals(cmd)) |
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{ |
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forward = selectServerModule(request, response); |
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} |
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else if ("RunVisualizerApplet".equals(cmd)) |
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{ |
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forward = runVisualizerApplet(request, response); |
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} |
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} |
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catch (WebServiceException ex) |
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{ |
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throw new ServletException(ex); |
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} |
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if (forward != null) |
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{ |
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request.getRequestDispatcher(forward).forward(request, response); |
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} |
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} |
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|
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|
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@Override |
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public void doPost(HttpServletRequest request, HttpServletResponse response) |
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throws IOException, ServletException |
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{ |
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doGet(request, response); |
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} |
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|
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private String selectServerModule(HttpServletRequest request, HttpServletResponse response) |
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throws WebServiceException |
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{ |
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// Request parameters |
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String server = request.getParameter("server"); |
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String module = request.getParameter("module"); |
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SessionControl sc = Base.getSessionControl(request, false); |
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|
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// Get the selected server & a web service connection to it |
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GPServer gpServer = GPServer.get(sc, server); |
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final GPClient gp = new GPClient(gpServer); |
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|
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// Get the TaskInfo for the selected module |
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final TaskInfo ti = gp.getTaskInfo(module); |
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|
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// Start a thread that downloads the module support files |
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Thread t = new Thread(new Runnable() |
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{ |
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@Override |
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public void run() |
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{ |
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SupportFileTransferGateway gw = new SupportFileTransferGateway(ti); |
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try |
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{ |
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gw.downloadSupportFiles(gp); |
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} |
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catch (Exception ex) |
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{} |
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} |
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}); |
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t.start(); |
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|
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|
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ParameterInfo[] parameters = ti.getParameters(null); |
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List<PluginParameter> moduleParameters = new ArrayList<PluginParameter>(); |
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|
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for (ParameterInfo pi : parameters) |
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{ |
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moduleParameters.add(pi.createPluginParameter("gp.", null)); |
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} |
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|
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request.setAttribute("moduleParameters", moduleParameters); |
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return "visualizer_parameters.jsp"; |
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} |
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|
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private String runVisualizerApplet(HttpServletRequest request, HttpServletResponse response) |
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throws WebServiceException, IOException |
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{ |
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|
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// Request parameters |
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String server = request.getParameter("server"); |
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String module = request.getParameter("module"); |
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SessionControl sc = Base.getSessionControl(request, false); |
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String ID = sc.getId(); |
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|
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// Get the selected server & a web service connection to it |
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GPServer gpServer = GPServer.get(sc, server); |
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GPClient gp = new GPClient(gpServer); |
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|
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// Get the TaskInfo and ParameterInfo for the selected module |
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TaskInfo ti = gp.getTaskInfo(module); |
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ParameterInfo[] parameters = ti.getParameters(null); |
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|
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// Make sure that all support files have been cached in BASE |
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SupportFileTransferGateway gw = new SupportFileTransferGateway(ti); |
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gw.downloadSupportFiles(gp); |
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|
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// Create the applet parameters |
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// 1. Environment parameters |
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Map<String, String> appletParameters = new LinkedHashMap<String, String>(); |
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appletParameters.put("name", module); |
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appletParameters.put("gp_lsid", ti.getLsid()); |
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appletParameters.put("gp_os", ti.getOs()); |
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appletParameters.put("gp_cpuType", ti.getCpuType()); |
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appletParameters.put("visualizer_java_flags", "-Xmx512M"); // TODO - should be configurable |
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appletParameters.put("context", ExtensionsControl.getHomeUrl("net.sf.basedb.genepattern.options")); |
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appletParameters.put("commandLine", ti.getCommandLine()); |
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|
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// 2. Module-specific parameters |
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List<String> parameterNames = new ArrayList<String>(); |
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List<String> fileParameters = new ArrayList<String>(); |
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final String scheme = request.getScheme(); |
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final String serverName = request.getServerName(); |
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final int serverPort = request.getServerPort(); |
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final String contextPath = request.getContextPath(); |
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final String baseFileUrl = scheme + "://" + serverName + ":" + serverPort + |
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contextPath + "/filemanager/files/view/-" + ID + "-"; |
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|
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for (ParameterInfo pi : parameters) |
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{ |
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String name = pi.getName(); |
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String value = Values.getStringOrNull(request.getParameter("gp." + name)); |
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if (value != null) |
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{ |
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parameterNames.add(name); |
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if (pi.isInputFile()) |
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{ |
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fileParameters.add(name); |
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appletParameters.put(name, baseFileUrl + value); |
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} |
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else |
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{ |
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appletParameters.put(name, value); |
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} |
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} |
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} |
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appletParameters.put("gp_paramNames", Values.getString(parameterNames, ",", true)); |
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appletParameters.put("gp_download", Values.getString(fileParameters, ",", true)); |
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|
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// 3. Support file information |
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SupportFileInfo[] supportFiles = gp.getSupportFiles(ti.getLsid()); |
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List<String> fileNames = new ArrayList<String>(); |
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List<Long> fileDates = new ArrayList<Long>(); |
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for (SupportFileInfo si : supportFiles) |
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{ |
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fileNames.add(si.getFileName()); |
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fileDates.add(si.getLastModified()); |
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} |
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appletParameters.put("gp_filenames", Values.getString(fileNames, ",", true)); |
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appletParameters.put("gp_fileDates", Values.getString(fileDates, ",", true)); |
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|
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request.setAttribute("appletParameters", appletParameters); |
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return "visualizer_applet.jsp"; |
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} |
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|
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} |