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igor
2024-11-18 22:17:38 +05:00
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tctable/TCField.java Normal file
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package tctable;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
public class TCField
{
//Типы данных
public static final int BD_NULL = 1000; //Столбец со значением всегда NULL
public static final int BD_UINT1 = 0; //1 байт без знаковый
public static final int BD_UINT2 = 1; //2 байта без знаковый
public static final int BD_UINT4 = 3; //4 байта без знаковый
public static final int BD_UINT8 = 23; //8 байта без знаковый
public static final int BD_SUINT8 = 24; //Почти тоже самое что и BD_UTF8_1 но с строке передаётся число
public static final int BD_INT1 = 10; //1 байт со знаковый
public static final int BD_INT2 = 11; //2 байта со знаковый
public static final int BD_INT4 = 13; //4 байта со знаковый
public static final int BD_INT8 = 17; //8 байт со знаковый
public static final int BD_SINT8 = 25; //Почти тоже самое что и BD_UTF8_1 но с строке передаётся число
public static final int BD_FLOAT4 = 20; //4 байта
public static final int BD_FLOAT8 = 22; //8 байт double
public static final int BD_SFLOAT8 = 26; //Почти тоже самое что и BD_UTF8_1 но с строке передаётся число
public static final int BD_UTF8_1 = 100; //100 - utf8_1 string 1й байт размер строки в байтах
public static final int BD_UTF8_2 = 101; //101 - utf8_2 string 1х 2 байта размер строки в байтах
public static final int BD_UTF8_4 = 102; //102 - utf8_4 string 1х 4 байта размер строки в байтах
public static final int BD_BLOB_2 = 141;
public static final int BD_BLOB_4 = 143; //Двоичные данные uint4 количество байт
public String name=""; //Название столбца
public int type=-1; //Тип данных
public byte[] value=null; //Запакованые данные
public TCField(String name, int type)
{
this.name=name;
this.type=type;
}
public TCField(String name, String type)
{
this.name=name;
//this.type=type;
this.type= TCField.BD_UTF8_2; //Defalt type
//From PostgreSQL and MySQL
if(type.equals("null")) { this.type= TCField.BD_NULL; } else
if(type.equals("bool") || type.equals("tinyint")) { this.type= TCField.BD_UINT1; } else
if(type.equals("int4") || type.equals("int") || type.equals("serial") || type.equals("bigint")) { this.type= TCField.BD_INT4; } else //bigint немного неправильно потому что это 64 бита но для андрод приложения не сделал
if(type.equals("int8")) { this.type= TCField.BD_INT8; } else
if(type.equals("float4") || type.equals("float")) { this.type= TCField.BD_FLOAT4; } else
if(type.equals("float8") || type.equals("NUMBER")) { this.type= TCField.BD_FLOAT8; } else
if(type.equals("varchar") || type.equals("VARCHAR2")) { this.type= TCField.BD_UTF8_2; } else
if(type.equals("text")) { this.type= TCField.BD_UTF8_4; } else
if(type.equals("bytea") || type.equals("longblob")) { this.type= TCField.BD_BLOB_4; } else
if(type.equals("timestamptz")) { this.type= TCField.BD_UTF8_1; } else
if(type.equals("timestamp")) { this.type= TCField.BD_UTF8_1; } else
if(type.equals("date")) { this.type= TCField.BD_UTF8_1; }
}
private int byteArrayToInt(byte[] b, int start, int length)
{
int dt = 0;
if ((b[start] & 0x80) != 0)
dt = Integer.MAX_VALUE;
for (int i = 0; i < length; i++)
dt = (dt << 8) + (b[start++] & 255);
return dt;
}
/*
private byte[] intToByteArray(int n, int byteCount)
{
byte[] res = new byte[byteCount];
for (int i = 0; i < byteCount; i++)
res[byteCount - i - 1] = (byte) ((n >> i * 8) & 255);
return res;
}
*/
//Прочитать значение из потока в соответствии с типом
public void ReadValue(InputStream fileHandle) throws IOException
{
if(this.type== TCField.BD_UINT1)
{
value=new byte[1];
fileHandle.read(value);
}else
if(this.type== TCField.BD_UINT2)
{
value=new byte[2];
fileHandle.read(value);
}else
if(this.type== TCField.BD_UINT4)
{
value=new byte[4];
fileHandle.read(value);
}else
if(this.type== TCField.BD_UINT8)
{
value=new byte[8];
fileHandle.read(value);
}else
if(this.type== TCField.BD_INT1)
{
value=new byte[1];
fileHandle.read(value);
}else
if(this.type== TCField.BD_INT2)
{
value=new byte[2];
fileHandle.read(value);
}else
if(this.type== TCField.BD_INT4)
{
value=new byte[4];
fileHandle.read(value);
}else
if(this.type== TCField.BD_INT8)
{
value=new byte[8];
fileHandle.read(value);
}else
if(this.type== TCField.BD_FLOAT4)
{
value=new byte[4];
fileHandle.read(value);
}else
if(this.type== TCField.BD_FLOAT8)
{
value=new byte[8];
fileHandle.read(value);
}else
if(this.type== TCField.BD_UTF8_1 || this.type== TCField.BD_SUINT8 || this.type== TCField.BD_SINT8 || this.type== TCField.BD_SFLOAT8)
{
byte[] s=new byte[1];
fileHandle.read(s);
if(s[0]==0) value=null;
else
{
value=new byte[s[0]];
fileHandle.read(value);
}
}else
if(this.type== TCField.BD_UTF8_2)
{
int s=Tools.readUShort(fileHandle);
if(s==0) value=null;
else
{
value=new byte[s];
fileHandle.read(value);
}
}else
if(this.type== TCField.BD_UTF8_4)
{
long s=Tools.readUInt(fileHandle);
if(s==0) value=null;
else
{
value=new byte[(int)s];
fileHandle.read(value);
}
}else
if(this.type== TCField.BD_BLOB_4)
{
byte[] ss=new byte[4];
fileHandle.read(ss);
int s=byteArrayToInt(ss, 0, 4);
if(s==0) value=null;
else
{
value=new byte[s];
fileHandle.read(value);
}
}
}
public String getStrVal()
{
String result=null;
try
{
if(value==null) result = "";
if(type== TCField.BD_UINT1) result = String.valueOf(getUByteVal());
if(type== TCField.BD_UINT4) result = String.valueOf(getUIntVal());
if(type== TCField.BD_UINT8) result = String.valueOf(getULongVal());
if(type== TCField.BD_INT4) result = String.valueOf(getIntVal());
if(type== TCField.BD_INT8) result = String.valueOf(getLongVal());
if(type== TCField.BD_FLOAT4) result = String.valueOf(getFloatVal());
if(type== TCField.BD_FLOAT8) result = String.valueOf(getDoubleVal());
if(type== TCField.BD_UTF8_1 || type== TCField.BD_UTF8_2 || type== TCField.BD_UTF8_4 || type== TCField.BD_SUINT8 || type== TCField.BD_SINT8 || type== TCField.BD_SFLOAT8)
{
result = new String(value, "UTF8");
}
} catch (Exception e) {}
return result;
}
public boolean getBoolVal(){
String result=getStrVal();
if(result==null)
return false;
else {
result=result.toLowerCase();
if (result.equals("1") || result.equals("true") || result.equals("t"))
return true;
else
return false;
}
}
public int getIntVal()
{
int val=0;
if(type==BD_INT4) {
int i1 = value[0] & 0xff;
int i2 = value[1] & 0xff;
int i3 = value[2] & 0xff;
int i4 = value[3] & 0xff;
val = i4 << 24 | i3 << 16 | i2 << 8 | i1;
}else{
String sVal = getStrVal();
if(sVal!=null) {
try {
val = Integer.valueOf(sVal);
} catch (NumberFormatException e) {
}
}
}
return val;
}
public long getLongVal()
{
long val=0;
if(type==BD_INT8) {
long ch1, ch2, ch3, ch4, ch5, ch6, ch7, ch8;
ch1 = value[0] & 0xff;
ch2 = value[1] & 0xff;
ch3 = value[2] & 0xff;
ch4 = value[3] & 0xff;
ch5 = value[4] & 0xff;
ch6 = value[5] & 0xff;
ch7 = value[6] & 0xff;
ch8 = value[7] & 0xff;
val = (ch8 << 56) | (ch7 << 48) | (ch6 << 40) | (ch5 << 32) | (ch4 << 24) | (ch3 << 16) | (ch2 << 8) | ch1;
}else{
String sVal = getStrVal();
if(sVal!=null) {
try {
val = Long.valueOf(sVal);
} catch (NumberFormatException e) {
}
}
}
return val;
}
/** Пока не использую но если буду использовать протестировать с большими числами */
public long getUIntVal()
{
long val=0;
if(type==BD_UINT4) {
long ch1, ch2, ch3, ch4;
ch1 = value[0] & 0xff;
ch2 = value[1] & 0xff;
ch3 = value[2] & 0xff;
ch4 = value[3] & 0xff;
val = (ch4 << 24) | (ch3 << 16) | (ch2 << 8) | ch1;
}else{
String sVal = getStrVal();
if(sVal!=null) {
try {
val = Long.valueOf(sVal);
} catch (NumberFormatException e) {
}
}
}
return val;
}
public long getULongVal()
{
long val=0;
if(type==BD_UINT8) {
long ch1, ch2, ch3, ch4, ch5, ch6, ch7, ch8;
ch1 = value[0] & 0xff;
ch2 = value[1] & 0xff;
ch3 = value[2] & 0xff;
ch4 = value[3] & 0xff;
ch5 = value[4] & 0xff;
ch6 = value[5] & 0xff;
ch7 = value[6] & 0xff;
ch8 = value[7] & 0xff;
val = (ch8 << 56) | (ch7 << 48) | (ch6 << 40) | (ch5 << 32) | (ch4 << 24) | (ch3 << 16) | (ch2 << 8) | ch1;
}else{
String sVal = getStrVal();
if(sVal!=null) {
try {
val = Long.valueOf(sVal);
} catch (NumberFormatException e) {
}
}
}
return val;
}
public short getUByteVal()
{
short val=0;
if(type==BD_UINT1) {
val = (short) (value[0] & 0xff);
}else{
String sVal = getStrVal();
if(sVal!=null) {
try {
val = Short.valueOf(sVal);
} catch (NumberFormatException e) {
}
}
}
return val;
}
public float getFloatVal()
{
float val=0;
if(type==BD_FLOAT4) {
int ch1, ch2, ch3, ch4, count;
ch1 = value[0] & 0xFF;
ch2 = value[1] & 0xFF;
ch3 = value[2] & 0xFF;
ch4 = value[3] & 0xFF;
count = (ch4 << 24) | (ch3 << 16) | (ch2 << 8) | ch1;
val = Float.intBitsToFloat(count);
}else{
String sVal = getStrVal();
if(sVal!=null) {
try {
val = Float.valueOf(sVal);
} catch (NumberFormatException e) {
}
}
}
return val;
}
public double getDoubleVal()
{
double val=0;
if(type==BD_FLOAT8) {
int ch1, ch2, ch3, ch4, ch5, ch6, ch7, ch8;
long count;
ch1 = value[0] & 0xFF;
ch2 = value[1] & 0xFF;
ch3 = value[2] & 0xFF;
ch4 = value[3] & 0xFF;
ch5 = value[4] & 0xFF;
ch6 = value[5] & 0xFF;
ch7 = value[6] & 0xFF;
ch8 = value[7] & 0xFF;
count = ((long) ch8 << 56) |
((long) ch7 << 48) |
((long) ch6 << 40) |
((long) ch5 << 32) |
((long) ch4 << 24) |
((long) ch3 << 16) |
((long) ch2 << 8) |
ch1;
val = Double.longBitsToDouble(count);
}else{
String sVal = getStrVal();
if(sVal!=null) {
try {
val = Double.valueOf(sVal);
} catch (NumberFormatException e) {
}
}
}
return val;
}
public boolean setDoubleVal(Double v){
long iv= Double.doubleToLongBits(v);
value=new byte[8];
value[0] = (byte)((iv & 0x00000000000000ffl));
value[1] = (byte)((iv & 0x000000000000ff00l) >> 8);
value[2] = (byte)((iv & 0x0000000000ff0000l) >> 16);
value[3] = (byte)((iv & 0x00000000ff000000l) >> 24);
value[4] = (byte)((iv & 0x000000ff00000000l) >> 32);
value[5] = (byte)((iv & 0x0000ff0000000000l) >> 40);
value[6] = (byte)((iv & 0x00ff000000000000l) >> 48);
value[7] = (byte)((iv & 0xff00000000000000l) >> 56);
return true;
}
public boolean setValue(String val)
{
boolean result=true;
if(val==null)
{ value=null;
}else if(type== TCField.BD_UINT1)
{
if(val.equals("f") || val.equals("false")) val="0";
else if(val.equals("t") || val.equals("true")) val="1";
int v= Integer.parseInt(val);
if(v<0 || v>255) result=false;
value=new byte[1];
value[0]=(byte)v;
}else if(type== TCField.BD_UINT2)
{
int v= Integer.parseInt(val);
if(v<0 || v>65535) result=false;
value=new byte[2];
value[0] = (byte)((v & 0x000000ff));
value[1] = (byte)((v & 0x0000ff00) >> 8);
}else if(type== TCField.BD_UINT4)
{
long v= Long.parseLong(val);
value=new byte[4];
value[0] = (byte)((v & 0x000000ff));
value[1] = (byte)((v & 0x0000ff00) >> 8);
value[2] = (byte)((v & 0x00ff0000) >> 16);
value[3] = (byte)((v & 0xff000000) >> 24);
}else if(type== TCField.BD_UINT8)
{
long v= Long.parseLong(val);
value=new byte[8];
value[0] = (byte) (v & 0x00000000000000ffl);
value[1] = (byte)((v & 0x000000000000ff00l) >> 8);
value[2] = (byte)((v & 0x0000000000ff0000l) >> 16);
value[3] = (byte)((v & 0x00000000ff000000l) >> 24);
value[4] = (byte)((v & 0x000000ff00000000l) >> 32);
value[5] = (byte)((v & 0x0000ff0000000000l) >> 40);
value[6] = (byte)((v & 0x00ff000000000000l) >> 48);
value[7] = (byte)((v & 0xff00000000000000l) >> 56);
}else if(type== TCField.BD_INT1)
{
int v= Integer.parseInt(val);
value=new byte[1];
value[0]=(byte)v;
}else if(type== TCField.BD_INT2)
{
int v= Integer.parseInt(val);
value=new byte[2];
value[0] = (byte)((v & 0x000000ff));
value[1] = (byte)((v & 0x0000ff00) >> 8);
}else if(type== TCField.BD_INT4)
{
long v= Long.parseLong(val);
value=new byte[4];
value[0] = (byte)((v & 0x000000ff));
value[1] = (byte)((v & 0x0000ff00) >> 8);
value[2] = (byte)((v & 0x00ff0000) >> 16);
value[3] = (byte)((v & 0xff000000) >> 24);
}else if(type== TCField.BD_INT8)
{
long v= Long.parseLong(val);
value=new byte[8];
value[0] = (byte) (v & 0x00000000000000ffl);
value[1] = (byte)((v & 0x000000000000ff00l) >> 8);
value[2] = (byte)((v & 0x0000000000ff0000l) >> 16);
value[3] = (byte)((v & 0x00000000ff000000l) >> 24);
value[4] = (byte)((v & 0x000000ff00000000l) >> 32);
value[5] = (byte)((v & 0x0000ff0000000000l) >> 40);
value[6] = (byte)((v & 0x00ff000000000000l) >> 48);
value[7] = (byte)((v & 0xff00000000000000l) >> 56);
}else if(type== TCField.BD_FLOAT4)
{
Float v= Float.parseFloat(val);
int iv= Float.floatToIntBits(v);
value=new byte[4];
value[0] = (byte)((iv & 0x000000ff));
value[1] = (byte)((iv & 0x0000ff00) >> 8);
value[2] = (byte)((iv & 0x00ff0000) >> 16);
value[3] = (byte)((iv & 0xff000000) >> 24);
}else if(type== TCField.BD_FLOAT8)
{
setDoubleVal(Double.parseDouble(val));
}else if(type== TCField.BD_UTF8_1 || this.type== TCField.BD_SUINT8 || this.type== TCField.BD_SINT8 || this.type== TCField.BD_SFLOAT8)
{
value=null;
if(val!=null && !val.equals(""))
{
byte[] b=null;
try {
b = val.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
result=false;
}
if(b!=null)
{
int len=b.length;
if(len>255) len=255;
value=new byte[len+1];
value[0]=(byte)len;
for(int i=0;i<len;i++)
{
value[i+1]=b[i];
}
}
}
}else if(type== TCField.BD_UTF8_2)
{
value=null;
if(val!=null && !val.equals(""))
{
byte[] b=null;
try {
b = val.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
result=false;
}
if(b!=null)
{
int len=b.length;
if(len>65535) len=65535;
value=new byte[len+2];
value[0]=(byte) (len & 0x000000ff);
value[1]=(byte)((len & 0x0000ff00) >> 8);
for(int i=0;i<len;i++)
{
value[i+2]=b[i];
}
}
}
}else if(type== TCField.BD_UTF8_4)
{
value=null;
if(val!=null && !val.equals(""))
{
byte[] b=null;
try {
b = val.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
result=false;
}
if(b!=null)
{
int len=b.length;
value=new byte[len+4];
value[0]=(byte) (len & 0x000000ff);
value[1]=(byte)((len & 0x0000ff00) >> 8);
value[2]=(byte)((len & 0x00ff0000) >> 16);
value[3]=(byte)((len & 0xff000000) >> 24);
for(int i=0;i<len;i++)
{
value[i+4]=b[i];
}
}
}
}
return result;
}
public boolean isNull() {
return value==null;
}
public BigDecimal getBigDecimalVal() {
BigDecimal val=new BigDecimal("0");
String sVal = getStrVal();
if(sVal!=null) {
try {
val = new BigDecimal(sVal);
} catch (NumberFormatException e) {
}
}
return val;
}
}