package com.safeluck.aykj.decoder;
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import com.safeluck.aykj.utils.BytesUtils;
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import java.io.UnsupportedEncodingException;
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/**
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* Created by zhouwei on 2016/12/3.
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*/
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public class GBKStringDecoder extends BaseDecoder<String> {
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public String stripEnd(String str, String stripChars) {
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int end;
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if(str != null && (end = str.length()) != 0) {
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if(stripChars == null) {
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while(end != 0 && Character.isWhitespace(str.charAt(end - 1))) {
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--end;
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}
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} else {
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if(stripChars.length() == 0) {
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return str;
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}
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while(end != 0 && stripChars.indexOf(str.charAt(end - 1)) != -1) {
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--end;
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}
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}
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return str.substring(0, end);
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} else {
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return str;
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}
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}
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@Override
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public String decode(String str) {
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if(str==null)
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return null;
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byte[] bytes = BytesUtils.hexStringToBytes(str);
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try {
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String ret = new String(bytes,"gbk").trim();
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return ret;// this.stripEnd(ret,"\0");
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} catch (UnsupportedEncodingException e) {
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return null;
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}
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}
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@Override
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public String encode(String str) {
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try {
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if(str==null)
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return null;
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return BytesUtils.bytesToHexString(str.getBytes("gbk"));
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} catch (UnsupportedEncodingException e) {
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return null;
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}
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}
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}
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