package com.cybozu.labs.langdetect.util;
/**
* {@link TagExtractor} is a class which extracts inner texts of specified tag.
* Users don't use this class directly.
* @author Nakatani Shuyo
*/
public class TagExtractor {
/* package scope */ String target_;
/* package scope */ int threshold_;
/* package scope */ StringBuffer buf_;
/* package scope */ String tag_;
private int count_;
public TagExtractor(String tag, int threshold) {
target_ = tag;
threshold_ = threshold;
count_ = 0;
clear();
}
public int count() {
return count_;
}
public void clear() {
buf_ = new StringBuffer();
tag_ = null;
}
public void setTag(String tag){
tag_ = tag;
}
public void add(String line) {
if (tag_ == target_ && line != null) {
buf_.append(line);
}
}
public String closeTag() {
String st = null;
if (tag_ == target_ && buf_.length() > threshold_) {
st = buf_.toString();
++count_;
}
clear();
return st;
}
}