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undeprecate get*() methods with 0 offset 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1187981 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sergey Vladimirov 2011-10-23 21:52:34 +00:00
parent 2ed5482fbf
commit 2c06f34413
1 changed files with 53 additions and 9 deletions
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62
src/java/org/apache/poi/util/LittleEndian.java
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@ -74,6 +74,20 @@ public class LittleEndian implements LittleEndianConsts
return copy;
}
/**
* get a double value from a byte array, reads it in little endian format
* then converts the resulting revolting IEEE 754 (curse them) floating
* point number to a happy java double
*
* @param data
* the byte array
* @return the double (64-bit) value
*/
public static double getDouble( byte[] data )
{
return Double.longBitsToDouble( getLong( data, 0 ) );
}
/**
* get a double value from a byte array, reads it in little endian format
* then converts the resulting revolting IEEE 754 (curse them) floating
@ -90,6 +104,20 @@ public class LittleEndian implements LittleEndianConsts
return Double.longBitsToDouble( getLong( data, offset ) );
}
/**
* get a float value from a byte array, reads it in little endian format
* then converts the resulting revolting IEEE 754 (curse them) floating
* point number to a happy java float
*
* @param data
* the byte array
* @return the double (64-bit) value
*/
public static float getFloat( byte[] data )
{
return getFloat( data, 0 );
}
/**
* get a float value from a byte array, reads it in little endian format
* then converts the resulting revolting IEEE 754 (curse them) floating
@ -112,9 +140,7 @@ public class LittleEndian implements LittleEndianConsts
* @param data
* the byte array
* @return the int (32-bit) value
* @deprecated Use {@link #getInt(byte[], int)}
*/
@Deprecated
public static int getInt( byte[] data )
{
return getInt( data, 0 );
@ -139,6 +165,18 @@ public class LittleEndian implements LittleEndianConsts
return ( b3 << 24 ) + ( b2 << 16 ) + ( b1 << 8 ) + ( b0 << 0 );
}
/**
* get a long value from a byte array
*
* @param data
* the byte array
* @return the long (64-bit) value
*/
public static long getLong( byte[] data )
{
return getLong( data, 0 );
}
/**
* get a long value from a byte array
*
@ -150,7 +188,7 @@ public class LittleEndian implements LittleEndianConsts
*/
public static long getLong( byte[] data, int offset )
{
long result = 0;
long result = 0xff & data[offset + 7];
for ( int j = offset + LONG_SIZE - 1; j >= offset; j-- )
{
@ -166,9 +204,7 @@ public class LittleEndian implements LittleEndianConsts
* @param data
* the byte array
* @return the short (16-bit) value
* @deprecated Use {@link #getShort(byte[], int)} instead
*/
@Deprecated
public static short getShort( byte[] data )
{
return getShort( data, 0 );
@ -212,6 +248,18 @@ public class LittleEndian implements LittleEndianConsts
return result;
}
/**
* get the unsigned value of a byte.
*
* @param data
* the byte array.
* @return the unsigned value of the byte as a 16 bit short
*/
public static short getUByte( byte[] data )
{
return (short) ( data[0] & 0xFF );
}
/**
* get the unsigned value of a byte.
*
@ -232,9 +280,7 @@ public class LittleEndian implements LittleEndianConsts
* @param data
* the byte array
* @return the unsigned int (32-bit) value in a long
* @deprecated Use {@link #getUInt(byte[], int)}
*/
@Deprecated
public static long getUInt( byte[] data )
{
return getUInt( data, 0 );
@ -277,9 +323,7 @@ public class LittleEndian implements LittleEndianConsts
* @param data
* the byte array
* @return the unsigned short (16-bit) value in an int
* @deprecated Use {@link #getUShort(byte[], int)}
*/
@Deprecated
public static int getUShort( byte[] data )
{
return getUShort( data, 0 );