/*********************************************************************************
* The contents of this file are subject to the Common Public Attribution
* License Version 1.0 (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.openemm.org/cpal1.html. The License is based on the Mozilla
* Public License Version 1.1 but Sections 14 and 15 have been added to cover
* use of software over a computer network and provide for limited attribution
* for the Original Developer. In addition, Exhibit A has been modified to be
* consistent with Exhibit B.
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* The Original Code is OpenEMM.
* The Original Developer is the Initial Developer.
* The Initial Developer of the Original Code is AGNITAS AG. All portions of
* the code written by AGNITAS AG are Copyright (c) 2009 AGNITAS AG. All Rights
* Reserved.
*
* Contributor(s): AGNITAS AG.
********************************************************************************/
package org.agnitas.cms.utils;
import java.util.*;
import org.agnitas.cms.web.*;
import org.agnitas.cms.webservices.generated.*;
import org.apache.commons.lang.*;
import org.springframework.context.*;
/**
* @author Vyacheslav Stepanov
*/
public class TagUtils {
public static final String[] TAG_NAMES = {"agnTEXT", "agnLABEL", "agnIMAGE",
"agnLINK"};
public static final int TAG_UNKNOWN = -1;
public static final int TAG_TEXT = 0;
public static final int TAG_LABEL = 1;
public static final int TAG_IMAGE = 2;
public static final int TAG_LINK = 3;
public static String generateContentModuleContent(int contentModuleId,
boolean migrateImageTags,
ApplicationContext aContext) {
ContentModule contentModule = CmsUtils.getContentModuleManager(aContext).
getContentModule(contentModuleId);
List<CmsTag> placeholders = CmsUtils.getContentModuleManager(aContext).
getContentModuleContents(contentModuleId);
String content = contentModule.getContent();
List<String> tags = getValidTags(content);
for(String tag : tags) {
String replacement = getValueForTag(TagUtils.createTag(tag), placeholders);
replacement = replacement == null ? "" : replacement;
if(getTagType(tag) == TAG_IMAGE && migrateImageTags) {
String tagName = getTagName(tag);
replacement = "[" + TAG_NAMES[TAG_IMAGE] + " name=\"" + tagName +
"_" + contentModule.getId() + "\"]";
}
content = StringUtils.replace(content, tag, replacement);
}
return content;
}
public static List<CmsTag> getCmsTags(String content) {
List<CmsTag> cmsTags = new ArrayList<CmsTag>();
List<String> validTags = getValidTags(content);
for(String validTag : validTags) {
CmsTag tag = TagUtils.createTag(validTag);
boolean alreadyAdded = false;
for(CmsTag addedTag : cmsTags) {
if(tagsAreEqual(addedTag, tag)) {
alreadyAdded = true;
break;
}
}
if(!alreadyAdded) {
cmsTags.add(tag);
}
}
return cmsTags;
}
public static List<String> getValidTags(String content) {
List<String> tags = new ArrayList<String>();
int tagStart = content.indexOf("[agn");
while(tagStart != -1) {
int nextTagStart = content.indexOf("[agn", tagStart + 1);
int tagEnd = content.indexOf("]", tagStart + 1);
if((nextTagStart < tagEnd && nextTagStart != -1) || tagEnd == -1) {
content = content.substring(0, tagStart) + "TAG_WAS_HERE" +
content.substring(tagStart + 4);
} else {
String tag = content.substring(tagStart, tagEnd + 1);
if(isTagValid(tag)) {
tags.add(tag);
}
content = content.substring(0, tagStart) + "TAG_WAS_HERE" +
content.substring(tagEnd + 1);
}
tagStart = content.indexOf("[agn");
}
return tags;
}
public static String getValueForTag(CmsTag tag, List<CmsTag> valueTagList) {
for(CmsTag valueTag : valueTagList) {
if(tagsAreEqual(valueTag, tag)) {
return valueTag.getValue();
}
}
return "";
}
public static String getTagName(String tag) {
int nameIndex = tag.indexOf("name");
if(nameIndex != -1) {
int quoteBegin = tag.indexOf("\"", nameIndex);
if(quoteBegin != -1) {
int quoteEnd = tag.indexOf("\"", quoteBegin + 1);
if(quoteEnd != -1 && quoteEnd - quoteBegin > 1) {
return tag.substring(quoteBegin + 1, quoteEnd);
}
}
}
return "";
}
public static int getTagType(String tag) {
for(int i = 0; i < TAG_NAMES.length; i++) {
if(tag.startsWith("[" + TAG_NAMES[i])) {
return i;
}
}
return TAG_UNKNOWN;
}
public static boolean isTagValid(String tag) {
return getTagType(tag) != TAG_UNKNOWN;
}
public static CmsTag findTag(List<CmsTag> tags, String name, int type) {
for(CmsTag tag : tags) {
if(name.equals(tag.getName()) && type == tag.getType()) {
return tag;
}
}
return null;
}
public static MediaFile getMediaFileForTag(List<MediaFile> mediaFiles, CmsTag tag,
int contentModuleId) {
for(MediaFile mediaFile : mediaFiles) {
if(tag.getName().equals(mediaFile.getName()) &&
mediaFile.getContentModuleId() == contentModuleId) {
return mediaFile;
}
}
return null;
}
public static List<CmsTag> filterTagsByType(List<CmsTag> tags, int tagType) {
List<CmsTag> resultList = new ArrayList<CmsTag>();
for(CmsTag tag : tags) {
if(tag.getType() == tagType) {
resultList.add(tag);
}
}
return resultList;
}
public static CmsTag createTag(String tag) {
final int tagType = getTagType(tag);
final String tagName = getTagName(tag);
CmsTag cmsTag;
if(tagType == TAG_IMAGE) {
cmsTag = new CmsImageTag();
} else {
cmsTag = new CmsTag();
}
cmsTag.setName(tagName);
cmsTag.setType(tagType);
return cmsTag;
}
public static CmsTag createTag(String name, int type, String value) {
CmsTag cmsTag = new CmsTag();
cmsTag.setName(name);
cmsTag.setType(type);
cmsTag.setValue(value);
return cmsTag;
}
public static boolean tagsAreEqual(CmsTag tagOne, CmsTag tagTwo) {
if(tagOne == null || tagTwo == null) {
return false;
}
boolean namesEqual;
if(tagTwo.getName() != null && tagOne.getName() != null) {
namesEqual = tagOne.getName().equals(tagTwo.getName());
} else {
namesEqual = tagTwo.getName() == null && tagOne.getName() == null;
}
return namesEqual && tagOne.getType() == tagTwo.getType();
}
public static CmsImageTag createImageTag(String tagName, int tagType, String newValue,
String imagePath) {
CmsImageTag cmsTag = new CmsImageTag();
cmsTag.setName(tagName);
cmsTag.setType(tagType);
cmsTag.setValue(newValue);
cmsTag.setNewValue(imagePath);
return cmsTag;
}
public static int getType(String name) {
int firstPoint = name.indexOf(".");
int secondPoint = name.indexOf(".", firstPoint + 1);
return Integer.parseInt(name.substring(firstPoint + 1, secondPoint));
}
public static String getName(String name) {
int firstPoint = name.indexOf(".");
int secondPoint = name.indexOf(".", firstPoint + 1);
return name.substring(secondPoint + 1);
}
public static boolean containsTagsWithEmptyNames(String content){
List<CmsTag> tags = getCmsTags(content);
for (CmsTag tag: tags){
String name = tag.getName();
if(name == null || "".equals(name.trim()))
return true;
}
return false;
}
}