cmsadminstaticexport.java

来自「java 编写的程序」· Java 代码 · 共 236 行

/*
* File   : $Source: /usr/local/cvs/opencms/src/com/opencms/workplace/CmsAdminStaticExport.java,v $
* Date   : $Date: 2002/04/10 08:22:11 $
* Version: $Revision: 1.11 $
*
* This library is part of OpenCms -
* the Open Source Content Mananagement System
*
* Copyright (C) 2001  The OpenCms Group
*
* 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.
*
* For further information about OpenCms, please see the
* OpenCms Website: http://www.opencms.org
*
* 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

package com.opencms.workplace;

import com.opencms.boot.*;
import com.opencms.file.*;
import com.opencms.core.*;
import com.opencms.util.*;
import com.opencms.template.*;
import java.util.*;
import java.io.*;
import javax.servlet.http.*;
import org.apache.oro.text.perl.*;

/**
 * Template class for displaying OpenCms workplace admin static export.
 * <P>
 *
 * @author Hanjo Riege
 * @version $Revision: 1.11 $
 * @see com.opencms.workplace.CmsXmlWpTemplateFile
 */

public class CmsAdminStaticExport extends CmsWorkplaceDefault implements I_CmsConstants {

    private static String C_STATICEXPORT_THREAD = "static_export_thread";

    /**
     * Gets the content of a defined section in a given template file and its subtemplates
     * with the given parameters.
     *
     * @see getContent(CmsObject cms, String templateFile, String elementName, Hashtable parameters)
     * @param cms CmsObject Object for accessing system resources.
     * @param templateFile Filename of the template file.
     * @param elementName Element name of this template in our parent template.
     * @param parameters Hashtable with all template class parameters.
     * @param templateSelector template section that should be processed.
     */

    public byte[] getContent(CmsObject cms, String templateFile, String elementName,
            Hashtable parameters, String templateSelector) throws CmsException {
        if(com.opencms.boot.I_CmsLogChannels.C_PREPROCESSOR_IS_LOGGING && C_DEBUG && A_OpenCms.isLogging()) {
            A_OpenCms.log(C_OPENCMS_DEBUG, this.getClassName()+"getting content of element "+((elementName == null) ? "<root>" : elementName));
            A_OpenCms.log(C_OPENCMS_DEBUG, this.getClassName()+"template file is: " + templateFile);
            A_OpenCms.log(C_OPENCMS_DEBUG, this.getClassName()+"selected template section is: "+((templateSelector == null) ? "<default>" : templateSelector));
        }

        CmsXmlWpTemplateFile xmlTemplateDocument = new CmsXmlWpTemplateFile(cms, templateFile);
        I_CmsSession session = cms.getRequestContext().getSession(true);

        // get the parameters
        String action = (String)parameters.get("action");
        if(action == null || "dynPrint".equals(action)) {
            // This is an initial request of the static export page
            Vector exportStartPoints = cms.getStaticExportProperties().getStartPoints();
            String allStartPoints = "";
            if(exportStartPoints != null){
                for(int i=0; i<exportStartPoints.size(); i++){
                    xmlTemplateDocument.setData("entry", (String)exportStartPoints.elementAt(i));
                    allStartPoints += xmlTemplateDocument.getProcessedDataValue("exportpoint");
                }
            }
            xmlTemplateDocument.setData("exportpoints", allStartPoints);
            xmlTemplateDocument.setData("path", cms.getStaticExportProperties().getExportPath());
            if("dynPrint".equals(action)){
                // print the dynamic rules to the errorlog
                System.err.println("");
                System.err.println("The dynamic rulesets created by OpenCms:");
                System.err.println("----------------------------------------");
                System.err.println("");
                System.err.println("---- Online ----");
                if(CmsStaticExport.m_dynamicExportRulesOnline != null){
                    for(int i=0; i<CmsStaticExport.m_dynamicExportRulesOnline.size();System.err.println(CmsStaticExport.m_dynamicExportRulesOnline.elementAt(i++)));
                }
                System.err.println("");
                System.err.println("---- Extern ----");
                if(CmsStaticExport.m_dynamicExportRulesExtern != null){
                    for(int i=0; i<CmsStaticExport.m_dynamicExportRulesExtern.size();System.err.println(CmsStaticExport.m_dynamicExportRulesExtern.elementAt(i++)));
                }
                System.err.println("");
                System.err.println("---- nicename Online ----");
                if(CmsStaticExport.m_dynamicExportNameRules != null){
                    for(int i=0; i<CmsStaticExport.m_dynamicExportNameRules.size();System.err.println(CmsStaticExport.m_dynamicExportNameRules.elementAt(i++)));
                }
                System.err.println("");
                System.err.println("---- nicename  Extern----");
                if(CmsStaticExport.m_dynamicExportNameRulesExtern != null){
                    for(int i=0; i<CmsStaticExport.m_dynamicExportNameRulesExtern.size();System.err.println(CmsStaticExport.m_dynamicExportNameRulesExtern.elementAt(i++)));
                }
                System.err.println("");
            }
        }

        // special feature to test the regular expressions
        if((action != null) && ("regTest".equals(action))) {
            String sub = (String)parameters.get("sub");
            String link = "";
            String regExpr = "";
            String result = "";
            if(sub != null && "true".equals(sub)){
                link = (String)parameters.get("link");
                regExpr = (String)parameters.get("regExpr");
                try{
                    Perl5Util subClass = new Perl5Util();
                    result = subClass.substitute(regExpr, link);
                }catch(Exception e){
                    result = "error: "+ e.getMessage();
                }
            }
            xmlTemplateDocument.setData("link", Encoder.escape(link));
            xmlTemplateDocument.setData("regExpr", Encoder.escape(regExpr));
            xmlTemplateDocument.setData("result", Encoder.escape(result));
            return startProcessing(cms, xmlTemplateDocument, elementName, parameters, "regTest");
        }

        // first we look if the thread is allready running
        if((action != null) && ("working".equals(action))) {
            // still working?
            Thread doTheWork = (Thread)session.getValue(C_STATICEXPORT_THREAD);
            if(doTheWork.isAlive()) {
                String time = (String)parameters.get("time");
                int wert = Integer.parseInt(time);
                wert += 20;
                xmlTemplateDocument.setData("time", "" + wert);
                return startProcessing(cms, xmlTemplateDocument, elementName, parameters, "wait");
            }else {
                // thread has come to an end, was there an error?
                String errordetails = (String)session.getValue(C_SESSION_THREAD_ERROR);
                session.removeValue(C_SESSION_THREAD_ERROR);
                if(errordetails == null) {
                    // export ready
                    return startProcessing(cms, xmlTemplateDocument, elementName, parameters, "done");
                }else {
                    // get errorpage:
                    xmlTemplateDocument.setData("details", errordetails);
                    return startProcessing(cms, xmlTemplateDocument, elementName, parameters, "error");
                }
            }
        }
        if("export".equals(action)) {

            // start the thread for export
            // first clear the session entry if necessary
            if(session.getValue(C_SESSION_THREAD_ERROR) != null) {
                session.removeValue(C_SESSION_THREAD_ERROR);
            }
            Thread doExport = new CmsAdminStaticExportThread(cms, session);
            doExport.start();
            session.putValue(C_STATICEXPORT_THREAD , doExport);
            xmlTemplateDocument.setData("time", "10");
            templateSelector = "wait";
        }

        // Now load the template file and start the processing
        return startProcessing(cms, xmlTemplateDocument, elementName, parameters, templateSelector);
    }


    /**
     * Indicates if the results of this class are cacheable.
     *
     * @param cms CmsObject Object for accessing system resources
     * @param templateFile Filename of the template file
     * @param elementName Element name of this template in our parent template.
     * @param parameters Hashtable with all template class parameters.
     * @param templateSelector template section that should be processed.
     * @return <EM>true</EM> if cacheable, <EM>false</EM> otherwise.
     */
    public boolean isCacheable(CmsObject cms, String templateFile, String elementName,
            Hashtable parameters, String templateSelector) {
        return false;
    }

    /**
     * Checks if the staticExport is active and the current project is the online project.
     * <P>
     * This method is used by workplace icons to decide whether the icon should
     * be activated or not. Icons will use this method if the attribute <code>method="isOnlineProject"</code>
     * is defined in the <code>&lt;ICON&gt;</code> tag.
     *
     * @param cms CmsObject Object for accessing system resources <em>(not used here)</em>.
     * @param lang reference to the currently valid language file <em>(not used here)</em>.
     * @param parameters Hashtable containing all user parameters <em>(not used here)</em>.
     * @return <code>true</code> if the current project is the online project, <code>false</code> otherwise.
     * @exception CmsException if there were errors while accessing project data.
     */

    public Boolean isExportActive(CmsObject cms, CmsXmlLanguageFile lang, Hashtable parameters) throws CmsException {
        CmsRequestContext reqCont = cms.getRequestContext();
        boolean isProMan = isProjectManager(cms, lang, parameters).booleanValue();
        return new Boolean(cms.getStaticExportProperties().isStaticExportEnabled() && isProMan);
    }

    /** Parse the string which holds all resources
     *
     * @param resources containts the full pathnames of all the resources, separated by semicolons
     * @return A vector with the same resources
     */
    private Vector parseResources(String resources) {
        Vector ret = new Vector();
        if(resources != null) {
            StringTokenizer resTokenizer = new StringTokenizer(resources, ";");
            while(resTokenizer.hasMoreElements()) {
                String path = (String)resTokenizer.nextElement();
                ret.addElement(path);
            }
        }
        return ret;
    }
}