package com.hdl.sdk.hdl_core.Util.TransformUtil;
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import java.io.UnsupportedEncodingException;
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/**
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* Created by Tommy on 2017/7/21.
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*/
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public class StringUtil {
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public static String byte2String(byte[] bytes) {
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// String remarkStr = "备注数据：";
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// for(int k = 0;k < bytes.length;k++){
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// remarkStr +=(bytes[k]& 0xFF)+" ";
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// }
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// HDLLog.info(remarkStr);
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int pos = bytes.length - 1;
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// for(int i=0;i<bytes.length;i++){
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//
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// if(i!=(bytes.length-1) && (bytes[i]&0xFF)==0 && (bytes[i+1]&0xFF)==0){
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// pos = i-1;
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// break;
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// }
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// }
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for (int i = 0; i < bytes.length; i++) {
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if (i != (bytes.length - 1) && (bytes[i] & 0xFF) == 0) {
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pos = i - 1;
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break;
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}
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}
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byte[] remarkBytes = new byte[pos + 1];
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System.arraycopy(bytes, 0, remarkBytes, 0, remarkBytes.length);
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String result = "";
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try {
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result = new String(remarkBytes, "GB2312");
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} catch (UnsupportedEncodingException e) {
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e.printStackTrace();
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}
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return result;
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}
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public static byte[] stringtoBytes(String str) {
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byte[] bytes = new byte[20];
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try {
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bytes = str.getBytes("GB2312");
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} catch (UnsupportedEncodingException e) {
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e.printStackTrace();
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}
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return bytes;
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}
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public static String stringToAscii(String value) {
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// stringToAscii("S1PLAYSTOP");
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// 83,49,80,76,65,89,83,84,79,80
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StringBuffer sbu = new StringBuffer();
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char[] chars = value.toCharArray();
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for (int i = 0; i < chars.length; i++) {
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if (i != chars.length - 1) {
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sbu.append((int) chars[i]).append(",");
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} else {
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sbu.append((int) chars[i]);
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}
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}
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return sbu.toString();
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}
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public static String asciiToString(String value) {
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StringBuffer sbu = new StringBuffer();
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String[] chars = value.split(",");
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for (int i = 0; i < chars.length; i++) {
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sbu.append((char) Integer.parseInt(chars[i]));
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}
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return sbu.toString();
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}
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public static String byteToBit(byte b) {
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return ""
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+ (byte) ((b >> 7) & 0x1) + (byte) ((b >> 6) & 0x1)
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+ (byte) ((b >> 5) & 0x1) + (byte) ((b >> 4) & 0x1)
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+ (byte) ((b >> 3) & 0x1) + (byte) ((b >> 2) & 0x1)
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+ (byte) ((b >> 1) & 0x1) + (byte) ((b >> 0) & 0x1);
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}
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// private byte[] formatStyleHDLResponse(String responsePart1, String responsePart2, int maxLen) throws UnsupportedEncodingException {
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// String responsePart3 = HDL_END_STR;
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// byte tmp;
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// byte[] bytePart1 = stringtoBytes(responsePart1);
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// byte[] bytePart2Tmp;
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// byte[] bytePart2;
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// byte[] bytePart3;
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//
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//
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// if(TextUtils.isEmpty(responsePart2)){
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// responsePart2 = " ";
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// }
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//
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// bytePart2Tmp = responsePart2.getBytes("Unicode");
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// bytePart2 = new byte[bytePart2Tmp.length - 2];
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// bytePart3 = stringtoBytes(responsePart3);
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//
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// HDLLog.info( "formatStyle1HDLResponse responsePart1 " + responsePart1 + " responsePart2 " + responsePart2 + " responsePart3 " + responsePart3);
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//
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// System.arraycopy(bytePart2Tmp, 2, bytePart2, 0, bytePart2Tmp.length-2);
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// for(int i=0; i< bytePart2.length; i += 2){
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// tmp = bytePart2[i+1];
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// bytePart2[i+1] = bytePart2[i];
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// bytePart2[i] = tmp;
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// }
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//
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// int copyPart2Len = bytePart2.length;
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// int extUnicodeLen = 2;
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// byte [] byteExtUnicode = new byte[extUnicodeLen];
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// byteExtUnicode[0] = 0x0;
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// byteExtUnicode[1] = 0x3;
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//
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// if((maxLen) < bytePart2.length){
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// copyPart2Len = maxLen;
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// if(copyPart2Len % 2 != 0){
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// copyPart2Len = copyPart2Len/2 * 2;
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// }
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// HDLLog.info( "formatStyle1HDLResponse copyPart2Len=" + copyPart2Len + ", maxLen=" + maxLen);
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// }
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//
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// byte [] byteResponse = new byte[bytePart1.length + copyPart2Len + extUnicodeLen + bytePart3.length];
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//
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//
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// System.arraycopy(bytePart1, 0, byteResponse, 0, bytePart1.length);
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// System.arraycopy(bytePart2, 0, byteResponse, bytePart1.length, copyPart2Len);
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// System.arraycopy(byteExtUnicode, 0, byteResponse, bytePart1.length + copyPart2Len, extUnicodeLen);
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// System.arraycopy(bytePart3, 0, byteResponse, bytePart1.length + copyPart2Len + extUnicodeLen, bytePart3.length);
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//
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// //Utils.printBtyes(bytePart1);
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// //Utils.printBtyes(bytePart2);
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// //Utils.printBtyes(bytePart3);
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// //Utils.printBtyes(byteResponse);
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// return byteResponse;
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// }
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// public void sendHDLResponseDISPLINE4() throws UnsupportedEncodingException {
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// //String response = "#S" + 1 + "DISPLINE4,\u0002" + songName + "\u0003" + HDL_END_STR;
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// JDMusicStatus jdMusicStatus = BMClient.getInstance().getJDMusicStatus();
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// String songName = jdMusicStatus.getSong() != null ? jdMusicStatus.getSong().getName(): "No Song";
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//
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// if(mCurHDLDeviceSource == HDL_DEVICE_SRC_BLUETOOTH || mCurHDLDeviceSource == HDL_DEVICE_SRC_LINEIN) {
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// songName = " ";
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// }
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//
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// String unicodeStr = songName;
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// String responsePart1 = "#S" + mCurHDLDeviceSource + "DISPLINE4,\u0002";
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// String responsePart2 = unicodeStr;
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//
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// byte[] byteResponse = formatStyleHDLResponse(responsePart1, responsePart2, HDL_MAX_DISPLINE_2_4_BYTE);
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// sendResponse(byteResponse);
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// return;
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// }
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//-------------------------------------------------------
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//字节数组转转hex字符串，可选长度
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public static String ByteArrToHex(byte[] inBytArr, int offset, int byteCount) {
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StringBuilder strBuilder = new StringBuilder();
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int j = byteCount;
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for (int i = offset; i < j; i++) {
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strBuilder.append(Byte2Hex(Byte.valueOf(inBytArr[i])));
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}
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return strBuilder.toString();
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}
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//-------------------------------------------------------
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//1字节转2个Hex字符
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public static String Byte2Hex(Byte inByte) {
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return String.format("%02x", new Object[]{inByte}).toUpperCase();
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}
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}
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