将网页中的 啊 unicode字符转换成中文

public class UnicodeConverter {

private static final Logger log = LogFactory.getLog(UnicodeConverter.class);

private static final UnicodeConverter unique = new UnicodeConverter();

public static UnicodeConverter getInstance() {
return unique;
}

private final Map<String, String> chineseMap = new HashMap<String, String>();
private final Pattern unicodePattern = Pattern.compile("&#//d{5};");

private UnicodeConverter() {
initCharMapping();
}

private void initCharMapping() {
try {
InputStream is = UnicodeConverter.class.getResourceAsStream("/chinese.mapping");
//读入UTF-8编码的文件
InputStreamReader isr = new InputStreamReader(is, "UTF-8");
BufferedReader br = new BufferedReader(isr);
String temp = null;
if ((temp = br.readLine()) != null) {
if (logger.isDebugEnabled()) {
logger.debug("chinese====>" + temp);
}
String[] strs = temp.split(" ");
for (String str : strs) {
String[] arr = str.split(":");
String code = "&#" + arr[1] + ";";
String value = arr[0];
if (logger.isDebugEnabled()) {
logger.debug(code + "  To  " + value);
}
chineseMap.put(code, value);
}
}
} catch (Exception e) {
logger.error("Init Char Mapping Fail", e);
}
}

private String getByUnicode(String unicode) {
return chineseMap.get(unicode);
}

public String unicodeToChinese(String str) {
Matcher matcher = unicodePattern.matcher(str);
while (matcher.find()) {
String findStr = matcher.group();
String replaceStr = getByUnicode(findStr);
if (replaceStr != null && replaceStr.length() > 0) {
str = str.replaceAll(findStr, replaceStr);
}
}
return str;
}

}