traversesubcontentcachetransform.java

Sequoia ERP是一个真正的企业级开源ERP解决方案。它提供的模块包括：电子商务应用(e-commerce), POS系统(point of sales),知识管理,存货与仓库管理

/*
 * $Id: TraverseSubContentCacheTransform.java 5462 2005-08-05 18:35:48Z jonesde $
 * 
 * Copyright (c) 2001-2003 The Open For Business Project - www.ofbiz.org
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *  
 */
package org.ofbiz.content.webapp.ftl;

import java.io.IOException;
import java.io.Writer;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.ofbiz.base.util.GeneralException;
import org.ofbiz.base.util.UtilDateTime;
import org.ofbiz.base.util.UtilValidate;
import org.ofbiz.base.util.template.FreeMarkerWorker;
import org.ofbiz.content.content.ContentWorker;
import org.ofbiz.entity.GenericDelegator;
import org.ofbiz.entity.GenericValue;
import org.ofbiz.webapp.ftl.LoopWriter;

import freemarker.core.Environment;
import freemarker.template.TemplateModelException;
import freemarker.template.TemplateTransformModel;
import freemarker.template.TransformControl;

//import com.clarkware.profiler.Profiler;
/**
 * TraverseSubContentCacheTransform - Freemarker Transform for URLs (links)
 * 
 * @author <a href="mailto:[e-mail]">Al Byers</a>
 * @version $Rev: 5462 $
 * @since 3.0
 */
public class TraverseSubContentCacheTransform implements TemplateTransformModel {

    public static final String module = TraverseSubContentCacheTransform.class.getName();
    public static final String [] upSaveKeyNames = {"globalNodeTrail"};
    public static final String [] saveKeyNames = {"contentId", "subContentId", "subDataResourceTypeId", "mimeTypeId", "whenMap", "locale",  "wrapTemplateId", "encloseWrapText", "nullThruDatesOnly", "globalNodeTrail"};

    /**
     * A wrapper for the FreeMarkerWorker version.
     */
    public static Object getWrappedObject(String varName, Environment env) {
        return FreeMarkerWorker.getWrappedObject(varName, env);
    }

    public static String getArg(Map args, String key, Environment env) {
        return FreeMarkerWorker.getArg(args, key, env);
    }

    public static String getArg(Map args, String key, Map ctx) {
        return FreeMarkerWorker.getArg(args, key, ctx);
    }

    public Writer getWriter(final Writer out, Map args) {
        final StringBuffer buf = new StringBuffer();
        final Environment env = Environment.getCurrentEnvironment();
        //final Map templateRoot = (Map) FreeMarkerWorker.getWrappedObject("context", env);
        final Map templateRoot = FreeMarkerWorker.createEnvironmentMap(env);
        //FreeMarkerWorker.convertContext(templateRoot);
        final Map savedValuesUp = new HashMap();
        FreeMarkerWorker.saveContextValues(templateRoot, upSaveKeyNames, savedValuesUp);
        final Map savedValues = new HashMap();
        FreeMarkerWorker.overrideWithArgs(templateRoot, args);
        String startContentAssocTypeId = (String)templateRoot.get( "contentAssocTypeId");
            //if (Debug.infoOn()) Debug.logInfo("in TraverseSubContentCache, startContentAssocTypeId:" + startContentAssocTypeId, module);
        final GenericDelegator delegator = (GenericDelegator) FreeMarkerWorker.getWrappedObject("delegator", env);
        final HttpServletRequest request = (HttpServletRequest) FreeMarkerWorker.getWrappedObject("request", env);
        FreeMarkerWorker.getSiteParameters(request, templateRoot);
        final GenericValue userLogin = (GenericValue) FreeMarkerWorker.getWrappedObject("userLogin", env);
        Object obj = templateRoot.get("globalNodeTrail");
        List globalNodeTrail = (List)obj;
        //List globalNodeTrail = (List)templateRoot.get("globalNodeTrail");
        String csvTrail = ContentWorker.nodeTrailToCsv(globalNodeTrail);
        //if (Debug.infoOn()) Debug.logInfo("in Traverse(0), csvTrail:"+csvTrail,module);
        String strNullThruDatesOnly = (String)templateRoot.get("nullThruDatesOnly");
        String contentAssocPredicateId = (String)templateRoot.get("contentAssocPredicateId");
        Boolean nullThruDatesOnly = (strNullThruDatesOnly != null && strNullThruDatesOnly.equalsIgnoreCase("true")) ? new Boolean(true) :new Boolean(false);
        GenericValue val = null;
        try {
            // getCurrentContent puts the "current" node on the end of globalNodeTrail. 
            // It may have already been there, but getCurrentContent will compare its contentId
            // to values in templateRoot.
            val = ContentWorker.getCurrentContent(delegator, globalNodeTrail, userLogin, templateRoot, nullThruDatesOnly, contentAssocPredicateId);
        } catch(GeneralException e) {
            throw new RuntimeException("Error getting current content. " + e.toString());
        }
        final GenericValue view = val;


        final Map traverseContext = new HashMap();
        traverseContext.put("delegator", delegator);
        Map whenMap = new HashMap();
        whenMap.put("followWhen", (String)templateRoot.get( "followWhen"));
        whenMap.put("pickWhen", (String)templateRoot.get( "pickWhen"));
        whenMap.put("returnBeforePickWhen", (String)templateRoot.get( "returnBeforePickWhen"));
        whenMap.put("returnAfterPickWhen", (String)templateRoot.get( "returnAfterPickWhen"));
        traverseContext.put("whenMap", whenMap);
        env.setVariable("whenMap", FreeMarkerWorker.autoWrap(whenMap, env));
        String fromDateStr = (String)templateRoot.get( "fromDateStr");
        String thruDateStr = (String)templateRoot.get( "thruDateStr");
        Timestamp fromDate = null;
        if (fromDateStr != null && fromDateStr.length() > 0) {
            fromDate = UtilDateTime.toTimestamp(fromDateStr);
        }
        traverseContext.put("fromDate", fromDate);
        Timestamp thruDate = null;
        if (thruDateStr != null && thruDateStr.length() > 0) {
            thruDate = UtilDateTime.toTimestamp(thruDateStr);
        }
        traverseContext.put("thruDate", thruDate);
        //if (UtilValidate.isEmpty(startContentAssocTypeId)) {
            //throw new RuntimeException("contentAssocTypeId is empty.");
        //}
        traverseContext.put("contentAssocTypeId", startContentAssocTypeId);
        String direction = (String)templateRoot.get( "direction");
        if (UtilValidate.isEmpty(direction)) {
            direction = "From";
        }
        traverseContext.put("direction", direction);


        return new LoopWriter(out) {

            public void write(char cbuf[], int off, int len) {
                //StringBuffer ctxBuf = (StringBuffer) templateContext.get("buf");
                //ctxBuf.append(cbuf, off, len);
                buf.append(cbuf, off, len);
            }