package org.openmeetings.utils.stringhandlers;
import java.util.Iterator;
import java.text.CharacterIterator;
import java.text.StringCharacterIterator;
import java.util.LinkedList;
import org.slf4j.Logger;
import org.red5.logging.Red5LoggerFactory;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
import java.util.regex.PatternSyntaxException;
import org.openmeetings.app.remote.red5.EmoticonsManager;
import org.openmeetings.app.remote.red5.ScopeApplicationAdapter;
public class ChatString {
private static final Logger log = Red5LoggerFactory.getLogger(ChatString.class, ScopeApplicationAdapter.webAppRootKey);
private static ChatString instance = null;
private ChatString() {}
public static synchronized ChatString getInstance(){
if (instance == null){
instance = new ChatString();
}
return instance;
}
//Testing stuff
// LinkedList<String> emot = new LinkedList<String>();
// emot.add("smily");
// emot.add("\\:\\)");
// emot.add("y");
// log.error("CHECK EMOT: "+ emot.get(0));
//
// list = this.splitStr(list,emot);
//
//
// emot = new LinkedList<String>();
// emot.add("sad");
// emot.add("\\:\\(");
// emot.add("y");
// log.error("CHECK EMOT: "+ emot.get(0));
//
// list = this.splitStr(list,emot);
public LinkedList<String[]> parseChatString(String message) {
try {
LinkedList<String[]> list = new LinkedList<String[]>();
//log.debug("this.link(message) "+this.link(message));
String[] messageStr = {"text",message};
list.add(messageStr);
for (Iterator<LinkedList<String>> iter = EmoticonsManager.getEmotfilesList().iterator();iter.hasNext();){
LinkedList<String> emot = iter.next();
//log.error("CHECK EMOT: "+ emot.get(0) + emot.get(1) + emot.size());
list = this.splitStr(list,emot.get(0), emot.get(1), emot.get(emot.size()-2));
if (emot.size()>4) {
//log.error("CHECK EMOT ASIAN: "+ emot.get(0) + emot.get(2) + emot.size());
list = this.splitStr(list,emot.get(0), emot.get(2), emot.get(emot.size()-2));
}
}
// log.debug("######### ");
// for (Iterator<String[]> iter = list.iterator();iter.hasNext();){
// String[] stringArray = iter.next();
// //stringArray[1] = this.link(stringArray[1]);
// log.debug(stringArray[0]+"||"+stringArray[1]);
// }
return list;
} catch (Exception err) {
log.error("[parseChatString]",err);
}
return null;
}
private LinkedList<String[]> splitStr (LinkedList<String[]> list, String image, String regexp, String spaces){
LinkedList<String[]> newList = new LinkedList<String[]>();
for (Iterator<String[]> iter = list.iterator();iter.hasNext();){
String[] messageObj = iter.next();
String messageTye = messageObj[0];
if (messageTye.equals("text")){
String messageStr = messageObj[1];
String[] newStr = messageStr.split(regexp);
for (int k=0;k<newStr.length;k++) {
String[] textA = {"text",newStr[k]};
newList.add(textA);
if (k+1!=newStr.length){
String[] imageA = {"image",image, spaces, regexp.replace("\\", "") };
newList.add(imageA);
}
}
} else {
newList.add(messageObj);
}
}
return newList;
}
public void replaceAllRegExp(){
try {
LinkedList<LinkedList<String>> emotfilesList = EmoticonsManager.getEmotfilesList();
LinkedList<LinkedList<String>> emotfilesListNew = new LinkedList<LinkedList<String>>();
for (Iterator<LinkedList<String>> iter = emotfilesList.iterator();iter.hasNext();){
LinkedList<String> emot = iter.next();
//log.error("FILE: "+emot.get(0));
String westernMeaning = this.checkforRegex(emot.get(1));
emot.set(1, westernMeaning);
//log.error("westernMeaning "+westernMeaning);
if (emot.size()>2){
String asianMeaning = this.checkforRegex(emot.get(2));
emot.set(2, asianMeaning);
//log.error("westernMeaning "+asianMeaning);
}
emotfilesListNew.add(emot);
}
EmoticonsManager.setEmotfilesList(emotfilesListNew);
} catch (Exception err) {
log.error("[replaceAllRegExp]",err);
}
}
/**
* Replace characters having special meaning in regular expressions
*
*/
private String checkforRegex(String aRegexFragment){
final StringBuilder result = new StringBuilder();
final StringCharacterIterator iterator = new StringCharacterIterator(aRegexFragment);
char character = iterator.current();
while (character != CharacterIterator.DONE ){
/*
* All literals need to have backslashes doubled.
*/
if (character == '.') {
result.append("\\.");
}
else if (character == '\\') {
result.append("\\\\");
}
else if (character == '?') {
result.append("\\?");
}
else if (character == '*') {
result.append("\\*");
}
else if (character == '+') {
result.append("\\+");
}
else if (character == '&') {
result.append("\\&");
}
else if (character == ':') {
result.append("\\:");
}
else if (character == '{') {
result.append("\\{");
}
else if (character == '}') {
result.append("\\}");
}
else if (character == '[') {
result.append("\\[");
}
else if (character == ']') {
result.append("\\]");
}
else if (character == '(') {
result.append("\\(");
}
else if (character == ')') {
result.append("\\)");
}
else if (character == '^') {
result.append("\\^");
}
else if (character == '$') {
result.append("\\$");
}
else if (character == '|') {
result.append("\\|");
}
else {
//the char is not a special one
//add it to the result as is
result.append(character);
}
character = iterator.next();
}
return result.toString();
}
public String link(String input) {
try {
String tReturn = "";
String parts[] = input.split(" ");
for (int t=0;t<parts.length;t++) {
String text = parts[t];
//System.out.println("Part 1 "+text);
Matcher matcher = Pattern.compile("(^|[ \t\r\n])((ftp|http|https|gopher|mailto|news|nntp|telnet|wais|file|prospero|aim|webcal):(([A-Za-z0-9$_.+!*(),;/?:@&~=-])|%[A-Fa-f0-9]{2}){2,}(#([a-zA-Z0-9][a-zA-Z0-9$_.+!*(),;/?:@&~=%-]*))?([A-Za-z0-9$_+!*();/?:~-]))").matcher(text);
if (matcher.find()) {
text = matcher.replaceFirst("<u><FONT color=\"#0000CC\"><a href='" + text + "'>" + text
+ "</a></FONT></u>");
}
//System.out.println("Part 2 "+text);
if (t != 0) {
tReturn += " ";
}
tReturn += text;
}
return tReturn;
} catch (Exception e) {
log.error("[link]",e);
}
return "";
}
}