package cn.ksource.core.util;
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public class CodeUtil {
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/**
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* Unicode编码转汉字
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* @param line
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* @return
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* @version V1.0.0
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* @author 杨凯
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* @date Jan 25, 2014 11:06:31 AM
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*/
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public static String parseUnicode(String line){
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int len=line.length();
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char[] out=new char[len];//保存解析以后的结果
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int outLen=0;
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for(int i=0;i<len;i++){
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char aChar=line.charAt(i);
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if(aChar=='\\'){
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aChar=line.charAt(++i);
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if(aChar=='u'){
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int value=0;
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for(int j=0;j<4;j++){
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aChar=line.charAt(++i);
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switch (aChar) {
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case '0': case '1': case '2': case '3': case '4':
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case '5': case '6': case '7': case '8': case '9':
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value = (value << 4) + aChar - '0';
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break;
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case 'a': case 'b': case 'c':
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case 'd': case 'e': case 'f':
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value = (value << 4) + 10 + aChar - 'a';
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break;
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case 'A': case 'B': case 'C':
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case 'D': case 'E': case 'F':
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value = (value << 4) + 10 + aChar - 'A';
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break;
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default: throw new IllegalArgumentException("Malformed \\uxxxx encoding.");
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}
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}
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out[outLen++]=(char)value;
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}else{
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if (aChar == 't') aChar = '\t';
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else if (aChar == 'r') aChar = '\r';
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else if (aChar == 'n') aChar = '\n';
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else if (aChar == 'f') aChar = '\f';
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out[outLen++] = aChar;
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}
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}else{
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out[outLen++] = aChar;
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}
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}
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return new String (out, 0, outLen);
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}
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}
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