limitedsubcontentcachetransform.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: LimitedSubContentCacheTransform.java 5462 2005-08-05 18:35:48Z jonesde $
 * 
 * Copyright (c) 2001-2005 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.Locale;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.ofbiz.base.util.Debug;
import org.ofbiz.base.util.GeneralException;
import org.ofbiz.base.util.StringUtil;
import org.ofbiz.base.util.UtilDateTime;
import org.ofbiz.base.util.UtilValidate;
import org.ofbiz.base.util.template.FreeMarkerWorker;
import org.ofbiz.content.content.ContentServicesComplex;
import org.ofbiz.content.content.ContentWorker;
import org.ofbiz.entity.GenericDelegator;
import org.ofbiz.entity.GenericEntityException;
import org.ofbiz.entity.GenericValue;
import org.ofbiz.minilang.MiniLangException;
import org.ofbiz.webapp.ftl.LoopWriter;

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

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

    public static final String module = LimitedSubContentCacheTransform.class.getName();

    public static final String [] upSaveKeyNames = {"globalNodeTrail"};
    public static final String [] saveKeyNames = {"contentId", "subContentId", "entityList", "entityIndex", "subDataResourceTypeId", "mimeTypeId", "whenMap", "locale",  "entityList", "viewSize", "viewIndex", "highIndex", "lowIndex", "listSize", "wrapTemplateId", "encloseWrapText", "nullThruDatesOnly", "globalNodeTrail", "outputIndex"};

    /**
     * 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) {
        //Profiler.begin("Limited");
        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 GenericDelegator delegator = (GenericDelegator) FreeMarkerWorker.getWrappedObject("delegator", env);
        final HttpServletRequest request = (HttpServletRequest) FreeMarkerWorker.getWrappedObject("request", env);
        FreeMarkerWorker.getSiteParameters(request, templateRoot);
        //templateRoot.put("buf", buf);
        final Map savedValuesUp = new HashMap();
        FreeMarkerWorker.saveContextValues(templateRoot, upSaveKeyNames, savedValuesUp);
        final Map savedValues = new HashMap();
        FreeMarkerWorker.overrideWithArgs(templateRoot, args);
        String contentAssocTypeId = (String) templateRoot.get("contentAssocTypeId");
        final Map pickedEntityIds = new HashMap();
        //if (UtilValidate.isEmpty(contentAssocTypeId)) {
        //throw new RuntimeException("contentAssocTypeId is empty");
        //}
        List assocTypes = StringUtil.split(contentAssocTypeId, "|");

        String contentPurposeTypeId = (String) templateRoot.get("contentPurposeTypeId");
        List purposeTypes = StringUtil.split(contentPurposeTypeId, "|");
        templateRoot.put("purposeTypes", purposeTypes);
        Locale locale = (Locale) templateRoot.get("locale");
        if (locale == null) {
            locale = Locale.getDefault();
            templateRoot.put("locale", locale);
        }

        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"));
        templateRoot.put("whenMap", whenMap);

        String fromDateStr = (String) templateRoot.get("fromDateStr");
        Timestamp fromDate = null;
        if (UtilValidate.isNotEmpty(fromDateStr)) {
            fromDate = UtilDateTime.toTimestamp(fromDateStr);
        }
        if (fromDate == null)
            fromDate = UtilDateTime.nowTimestamp();

        String limitSize = (String) templateRoot.get("limitSize");
        final int returnLimit = Integer.parseInt(limitSize); 
        // limitMode will be "random" to begin with
        String limitMode = (String) templateRoot.get("limitMode");
        final GenericValue userLogin = (GenericValue) FreeMarkerWorker.getWrappedObject("userLogin", env);
        List globalNodeTrail = (List) templateRoot.get("globalNodeTrail");
        String strNullThruDatesOnly = (String) templateRoot.get("nullThruDatesOnly");
        String orderBy = (String) templateRoot.get("orderBy");
        Boolean nullThruDatesOnly = (strNullThruDatesOnly != null && strNullThruDatesOnly.equalsIgnoreCase("true")) ? new Boolean(true) : new Boolean(false);
        String contentId = (String) templateRoot.get("subContentId");

        templateRoot.put("contentId", null);
        templateRoot.put("subContentId", null);

        final String contentIdTo = contentId;

        Map results = null;
        //if (Debug.infoOn()) Debug.logInfo("in LimitedSubContentCache(0), assocTypes ." + assocTypes, module);
        String contentAssocPredicateId = (String) templateRoot.get("contentAssocPredicateId");
        try {
            results = ContentServicesComplex.getAssocAndContentAndDataResourceCacheMethod(delegator, contentId, null, "From", fromDate, null, assocTypes, null, new Boolean(true), contentAssocPredicateId, orderBy);
        } catch (MiniLangException e2) {
            throw new RuntimeException(e2.getMessage());
        } catch (GenericEntityException e) {
            throw new RuntimeException(e.getMessage());
        }
        List longList = (List) results.get("entityList");
        templateRoot.put("entityList", longList);
        //if (Debug.infoOn()) Debug.logInfo("in limited, longList:" + longList , "");

        return new LoopWriter(out) {

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