package com.whyc.bts;
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import java.io.FileInputStream;
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import java.io.IOException;
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public class BTS_DataType {
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public static final int BYTE_LEN = 4;
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public int typeTag0;
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public int typeTag1;
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public int typeTag2;
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public int typeTag3;
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public int checkDataHead(FileInputStream fis)
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{
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boolean file_end = false;
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byte type_tag = 0;
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byte[] tag = new byte[1];
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try {
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while(true)
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{
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type_tag = 0;
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int n = 0;
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for(n=0; n<4; n++)
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{
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if(1 != fis.read(tag, 0, 1))
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{
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file_end = true;
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break;
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}
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if((0xFD != (tag[0]&0xFF)) && (0xFC != (tag[0]&0xFF)) && (0xFB != (tag[0]&0xFF)))
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{
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break;
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}
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}
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if(n >= 4)
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{
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type_tag = tag[0];
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break;
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}
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if(true == file_end)
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{
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type_tag = 1;
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break;
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}
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}
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} catch (IOException e) {
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// TODO Auto-generated catch block
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//e.printStackTrace();
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}
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setType(type_tag&0xFF);
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return (typeTag0);
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}
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public byte[] getDataTypeByte() {
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byte[] data = new byte[BYTE_LEN];
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data[0] = BTS_ComBase.changeIntToByte(typeTag0);
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data[1] = BTS_ComBase.changeIntToByte(typeTag1);
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data[2] = BTS_ComBase.changeIntToByte(typeTag2);
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data[3] = BTS_ComBase.changeIntToByte(typeTag3);
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return data;
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}
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public void setType(int type)
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{
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typeTag0 = type;
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typeTag1 = type;
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typeTag2 = type;
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typeTag3 = type;
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}
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}
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