/*
* Copyright 2002-2006 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openuap.cms.engine.generate.processor;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.openuap.base.util.context.PageBuilder;
import org.openuap.cms.engine.macro.CmsMacroEngine;
import org.openuap.cms.engine.profile.PublishProfileInfoHolder;
import org.openuap.cms.engine.profile.impl.PublishOperationProfileImpl;
import org.openuap.tpl.engine.TemplateContext;
import org.openuap.tpl.engine.TemplateProcessor;
import org.openuap.tpl.engine.TemplateProcessorChain;
/**
* <p>
* 分页模板处理器
* </p>
*
* <p>
* $Id: MultiPageTemplateProcessor.java 3293 2008-11-20 13:09:14Z orangeforjava$
* </p>
*
* @author Joseph
* @version 1.0
*/
public class MultiPageTemplateProcessor implements TemplateProcessor {
private int priority = 15;
public final static String EXT_POINT_NAME = "tpl-processor-multipage";
private CmsMacroEngine cmsMacroEngine;
public String getName() {
return EXT_POINT_NAME;
}
public void processTemplate(TemplateProcessorChain chain,
TemplateContext context, List errors) {
String tplContent = context.getTplContent();
//
if (tplContent != null) {
// 性能诊断-start
PublishOperationProfileImpl op = null;
Exception exception = null;
if (PublishProfileInfoHolder.isEnableProfile()) {
op = new PublishOperationProfileImpl();
op.setOperation("MultiPageTemplateProcessor");
op.setStartTime(System.currentTimeMillis());
}
String multiMacro = getMultiPageMacro(tplContent);
if (multiMacro != null) {
// 若找到需要分页的宏，则进行分页处理
PageBuilder pi = getPageInfoFromMacro(multiMacro, context);
// 性能诊断-end
if (PublishProfileInfoHolder.isEnableProfile()) {
op.setEndTime(System.currentTimeMillis());
op.setException(exception);
op.setRecords(pi.pages());
PublishProfileInfoHolder.getProfile().addPublishOperation(
op);
}
if (pi.pages() >= 1) {
// 页数目大于1
if (context.getModel().get("__direct_out__") == null) {
//静态输出
for (int i = 0; i < pi.pages(); i++) {
// 替换每页中的分页宏为普通宏，加入页码信息
int page = i + 1;
String mytplContent = replaceMultiPageMacro(
tplContent, context, String.valueOf(page));
//
context.getModel().put("page", page);
context.setTplContent(mytplContent);
// 注意这里需要克隆当前状态给每一个分页处理项
((TemplateProcessorChain) chain.clone()).doProcess(
context, errors);
}
}else{
//动态输出
Object oPage = context.getModel().get("page");
if (oPage == null) {
oPage = 1;
}
int page = new Integer(String.valueOf(oPage));
String mytplContent = replaceMultiPageMacro(
tplContent, context, String.valueOf(page));
//
context.setTplContent(mytplContent);
// 注意这里需要克隆当前状态给每一个分页处理项
((TemplateProcessorChain) chain.clone()).doProcess(
context, errors);
}
}
} else {
// 性能诊断-end
if (PublishProfileInfoHolder.isEnableProfile()) {
op.setEndTime(System.currentTimeMillis());
op.setException(exception);
op.setRecords(1);
PublishProfileInfoHolder.getProfile().addPublishOperation(
op);
}
//
if (context.getModel().get("page") == null) {
context.getModel().put("page", "1");
}
chain.doProcess(context, errors);
}
}
}
/**
* 查找启用分页标识的标记
*
* @param tplContent
*
* @return String
*/
private String getMultiPageMacro(String tplContent) {
String sp = "\\[@cms\\.list(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)Num=\"page-\\d+\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)extra=\"multipage\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
Pattern p = Pattern.compile(sp);
Matcher m = p.matcher(tplContent);
boolean result = m.find();
if (result) {
String path = m.group(0);
return path;
}
return null;
}
/**
*
*
* @param macro
*
* @param nodeId
* String
* @return PageInfo
*/
protected PageBuilder getPageInfoFromMacro(String macro,
TemplateContext context) {
// NodeID
String regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)NodeID=\"(self|\\d*|\\d+(,\\d+)*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String NodeID = getMacroInfo(regex, macro, 2);
if (NodeID == null) {
NodeID = "";
} else {
if (NodeID.equals("self")) {
Object nodeId = context.getModel().get("nodeId");
if (nodeId != null) {
NodeID = nodeId.toString();
}
}
}
// num
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)Num=\"(page-\\d+)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String num = getMacroInfo(regex, macro, 2);
if (num == null) {
return null;
}
// NodeGUID
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)NodeGUID=\"([\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]\"]]*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String NodeGUID = getMacroInfo(regex, macro, 2);
if (NodeGUID == null) {
NodeGUID = "";
}
// where
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)where=\"([\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]\"]]*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String where = getMacroInfo(regex, macro, 2);
if (where == null) {
where = "";
}
// TableID
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)TableID=\"(\\d*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String TableID = getMacroInfo(regex, macro, 2);
if (TableID == null) {
TableID = "";
}
// ignore
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)ignore=\"([\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String ignore = getMacroInfo(regex, macro, 2);
if (ignore == null) {
ignore = "";
}
// url
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)url=\"([\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String url = getMacroInfo(regex, macro, 2);
if (url == null) {
url = "";
}
// page
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)page=\"(\\d*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String page = getMacroInfo(regex, macro, 2);
if (page == null) {
page = "";
}
// 获得分页信息，用来分页处理
PageBuilder pb = cmsMacroEngine.getCmsListPageInfo(NodeID, num,
NodeGUID, "", where, TableID, ignore, page, url);
return pb;
}
private String getMacroInfo(String regex, String macro, int group) {
Pattern p = Pattern.compile(regex);
Matcher m = p.matcher(macro);
boolean result = m.find();
if (result) {
String info = m.group(group);
return info;
}
return null;
}
/**
*
* @param tplContent
* String
* @param url
* String
* @param page
* String
* @return String
*/
protected String replaceMultiPageMacro(String tplContent,
TemplateContext context, String page) {
String sp = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)Num=\"page-\\d+\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)extra=\"multipage\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)*(\\/)?\\]";
Pattern p = Pattern.compile(sp);
Matcher m = p.matcher(tplContent);
boolean result = m.find();
StringBuffer sb = new StringBuffer();
if (result) {
String macro = m.group(0);
String replaceMacro = getReplaceMultiMacro(macro, context, page);
m.appendReplacement(sb, replaceMacro);
}
m.appendTail(sb);
return sb.toString();
}
/**
*
* @param macro
* String
* @param url
* String
* @param page
* String
* @return String
*/
protected String getReplaceMultiMacro(String macro,
TemplateContext context, String page) {
// NodeID
String regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)NodeID=\"(self|\\d*|\\d+(,\\d+)*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String NodeID = getMacroInfo(regex, macro, 2);
if (NodeID == null) {
NodeID = "";
}
// num
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)Num=\"(page-\\d+)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String num = getMacroInfo(regex, macro, 2);
if (num == null) {
return null;
}
// NodeGUID
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)NodeGUID=\"([\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]\"]]*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String NodeGUID = getMacroInfo(regex, macro, 2);
if (NodeGUID == null) {
NodeGUID = "";
}
// where
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)where=\"([\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]\"]]*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String where = getMacroInfo(regex, macro, 2);
if (where == null) {
where = "";
}
// TableID
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)TableID=\"(\\d*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String TableID = getMacroInfo(regex, macro, 2);
if (TableID == null) {
TableID = "";
}
// ignore
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)ignore=\"([\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]\"]]*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]\"]]*\\s*)(\\/)?\\]";
String ignore = getMacroInfo(regex, macro, 2);
if (ignore == null) {
ignore = "";
}
// OrderBy
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)OrderBy=\"([\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]\"]]*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String OrderBy = getMacroInfo(regex, macro, 2);
if (OrderBy == null) {
OrderBy = "";
}
// macroreturn
regex = "\\[@cms\\.list (\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)return=\"([\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]\"]]*)\"(\\s*[\\p{Print}[^\\x00-\\xff]&&[^\\[\\/\\]]]*\\s*)(\\/)?\\]";
String macroreturn = getMacroInfo(regex, macro, 2);
if (macroreturn == null) {
macroreturn = "";
}
StringBuffer sb = new StringBuffer("\\[@cms.list return=\""
+ macroreturn + "\"");
sb.append(" NodeID=\"" + NodeID + "\"");
sb.append(" Num=\"" + num + "\"");
sb.append(" OrderBy=\"" + OrderBy + "\"");
sb.append(" where=\"" + where + "\"");
sb.append(" TableID=\"" + TableID + "\"");
sb.append(" NodeGUID=\"" + NodeGUID + "\"");
sb.append(" ignore=\"" + ignore + "\"");
sb.append(" page=\"" + page + "\"");
Object url = context.getModel().get("url");
sb.append(" url=\"" + url + "\"");
sb.append(" /\\]");
return sb.toString();
}
public CmsMacroEngine getCmsMacroEngine() {
return cmsMacroEngine;
}
public void setCmsMacroEngine(CmsMacroEngine cmsMacroEngine) {
this.cmsMacroEngine = cmsMacroEngine;
}
public int getPriority() {
return priority;
}
public void setPriority(int priority) {
this.priority = priority;
}
}