public class RemoveTag {
private static String[] htmlWords = { "<", ">", """, "&"," "," ", "&","<",">",""" };
private static int MAX_WORD_LEN = 6;
private static String CRLF = System.getProperty("line.separator");
private static void decodeHtmlLastWord(StringBuffer sb, int pos) {
if (sb.length() < MAX_WORD_LEN)
return;
int len = sb.length();
int len2;
String str = sb.substring(len - MAX_WORD_LEN);
for (int i = 0; i < htmlWords.length; i++) {
if (str.toLowerCase().endsWith(htmlWords[i])) {
len2 = htmlWords[i].length();
sb.delete(len - len2, len);
return;
}
}
}
public static String decodeHtml(String s) {
if (s == null)
return null;
StringBuffer sb = new StringBuffer();
char[] chars = s.toCharArray();
char a;
for (int i = 0; i < chars.length; i++) {
a = chars[i];
switch (a) {
case ';':
decodeHtmlLastWord(sb, sb.length());
break;
default:
sb.append(a);
break;
}
}
return sb.toString();
}
private static String[] nlTags = { "P", "CENTER", "HR", "BR", "LI",
"UL", "/UL", "OL", "/OL",
"TABLE", "/TABLE", "/TR",
"META", "BODY", "/BODY", "/HTML",
"/HEAD", "/TITLE" };
public static boolean isNewLineTag(String s) {
if (s == null)
return false;
String str = allTrim(s);
for (int i = 0; i < nlTags.length; i++) {
if (str.equalsIgnoreCase(nlTags[i]))
return true;
}
return false;
}
public static String removeHtmlTag(String s) {
final int NORMAL_STATE = 0;
final int TAG_STATE = 1;
final int START_TAG_STATE = 2;
final int END_TAG_STATE = 3;
final int SINGLE_QUOT_STATE = 4;
final int DOUBLE_QUOT_STATE = 5;
int state = NORMAL_STATE;
int oldState = NORMAL_STATE;
char[] chars = s.toCharArray();
StringBuffer sb = new StringBuffer();
boolean bSlash = false;
String tagWord = "";
boolean tagWordDone = false;
char a;
for (int i = 0; i < chars.length; i++) {
a = chars[i];
switch (state) {
case NORMAL_STATE:
if (a == '<') {
tagWord = "";
state = TAG_STATE;
}
else
sb.append(a);
break;
case TAG_STATE:
if (a == '>')
state = NORMAL_STATE;
else if (a == '\"') {
oldState = state;
state = DOUBLE_QUOT_STATE;
}
else if (a == '\'') {
oldState = state;
state = SINGLE_QUOT_STATE;
}
else if (a == '/') {
tagWord = "" + a;
tagWordDone = false;
state = END_TAG_STATE;
}
else if (a != ' ' && a != '\t' && a != '\n' && a != '\r' && a != '\f') {
tagWord = "" + a;
tagWordDone = false;
state = START_TAG_STATE;
}
break;
case START_TAG_STATE:
case END_TAG_STATE:
if (a == '>') {
if (isNewLineTag(tagWord)) {
sb.append(CRLF);
}
state = NORMAL_STATE;
}
else if (a == '\"') {
oldState = state;
state = DOUBLE_QUOT_STATE;
}
else if (a == '\'') {
oldState = state;
state = SINGLE_QUOT_STATE;
}
else if (a == ' ' || a == '\t' || a == '\n' || a == '\r' || a == '\f') {
tagWordDone = true;
}
else if (!tagWordDone) {
tagWord += a;
}
break;
case DOUBLE_QUOT_STATE:
if (bSlash)
bSlash = false;
else if (a == '\"')
state = oldState;
else if (a == '\\')
bSlash = true;
break;
case SINGLE_QUOT_STATE:
if (bSlash)
bSlash = false;
else if (a == '\'')
state = oldState;
else if (a == '\\')
bSlash = true;
break;
}
}
return sb.toString();
}
public static String allTrim(String s) {
if (s == null)
return null;
else if (s.length() == 0)
return "";
int len = s.length();
int i = 0;
int j = len - 1;
for (i = 0; i < len; i++) {
if ( s.charAt(i) != ' ' && s.charAt(i) != '\t'
&& s.charAt(i) != '\r'
&& s.charAt(i) != '\n' )
break;
}
if (i == len)
return "";
for (j = len - 1; j >= i; j--) {
if ( s.charAt(i) != ' ' && s.charAt(i) != '\t'
&& s.charAt(i) != '\r'
&& s.charAt(i) != '\n' )
break;
}
return s.substring(i, j + 1);
}
}
----------------------------------------------
사용 ex
str1 = RemoveTag.removeHtmlTag(data.get("time_rules"));
str1 = RemoveTag.decodeHtml(str1);
이 포스팅은 쿠팡 파트너스 활동의 일환으로, 이에 따른 일정액의 수수료를 제공받고 있습니다.
이 포스팅은 제휴마케팅이 적용되어 작성자에게 일정액의 커미션이 제공될수 있습니다.
