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reuse code from LittleEndian class

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1187549 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sergey Vladimirov 2011-10-21 21:19:39 +00:00
parent 4ef78d40fc
commit a35cf979d2
1 changed files with 30 additions and 53 deletions
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83
src/java/org/apache/poi/hpsf/TypeWriter.java
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@ -39,18 +39,13 @@ public class TypeWriter
* @return The number of bytes that have been written.
* @exception IOException if an I/O error occurs
*/
public static int writeToStream(final OutputStream out, final short n)
throws IOException
public static int writeToStream( final OutputStream out, final short n )
throws IOException
{
final int length = LittleEndian.SHORT_SIZE;
byte[] buffer = new byte[length];
LittleEndian.putShort(buffer, 0, n); // FIXME: unsigned
out.write(buffer, 0, length);
return length;
LittleEndian.putShort( out, n ); // FIXME: unsigned
return LittleEndian.SHORT_SIZE;
}
/**
* <p>Writes a four-byte value to an output stream.</p>
*
@ -59,40 +54,28 @@ public class TypeWriter
* @exception IOException if an I/O error occurs
* @return The number of bytes written to the output stream.
*/
public static int writeToStream(final OutputStream out, final int n)
throws IOException
public static int writeToStream( final OutputStream out, final int n )
throws IOException
{
final int l = LittleEndian.INT_SIZE;
final byte[] buffer = new byte[l];
LittleEndian.putInt(buffer, 0, n);
out.write(buffer, 0, l);
return l;
LittleEndian.putInt( n, out );
return LittleEndian.INT_SIZE;
}
/**
* <p>Writes a eight-byte value to an output stream.</p>
*
* @param out The stream to write to.
* @param n The value to write.
* @exception IOException if an I/O error occurs
* @return The number of bytes written to the output stream.
* @return The number of bytes written to the output stream.
*/
public static int writeToStream(final OutputStream out, final long n)
throws IOException
public static int writeToStream( final OutputStream out, final long n )
throws IOException
{
final int l = LittleEndian.LONG_SIZE;
final byte[] buffer = new byte[l];
LittleEndian.putLong(buffer, 0, n);
out.write(buffer, 0, l);
return l;
LittleEndian.putLong( n, out );
return LittleEndian.LONG_SIZE;
}
/**
* <p>Writes an unsigned two-byte value to an output stream.</p>
*
@ -100,18 +83,16 @@ public class TypeWriter
* @param n The value to write
* @exception IOException if an I/O error occurs
*/
public static void writeUShortToStream(final OutputStream out, final int n)
throws IOException
public static void writeUShortToStream( final OutputStream out, final int n )
throws IOException
{
int high = n & 0xFFFF0000;
if (high != 0)
throw new IllegalPropertySetDataException
("Value " + n + " cannot be represented by 2 bytes.");
writeToStream(out, (short) n);
if ( high != 0 )
throw new IllegalPropertySetDataException( "Value " + n
+ " cannot be represented by 2 bytes." );
LittleEndian.putUShort( n, out );
}
/**
* <p>Writes an unsigned four-byte value to an output stream.</p>
*
@ -120,18 +101,17 @@ public class TypeWriter
* @return The number of bytes that have been written to the output stream.
* @exception IOException if an I/O error occurs
*/
public static int writeUIntToStream(final OutputStream out, final long n)
throws IOException
public static int writeUIntToStream( final OutputStream out, final long n )
throws IOException
{
long high = n & 0xFFFFFFFF00000000L;
if (high != 0 && high != 0xFFFFFFFF00000000L)
throw new IllegalPropertySetDataException
("Value " + n + " cannot be represented by 4 bytes.");
return writeToStream(out, (int) n);
if ( high != 0 && high != 0xFFFFFFFF00000000L )
throw new IllegalPropertySetDataException( "Value " + n
+ " cannot be represented by 4 bytes." );
LittleEndian.putUInt( n, out );
return LittleEndian.INT_SIZE;
}
/**
* <p>Writes a 16-byte {@link ClassID} to an output stream.</p>
*
@ -200,14 +180,11 @@ public class TypeWriter
* @exception IOException if an I/O error occurs
* @return The number of bytes written to the output stream.
*/
public static int writeToStream(final OutputStream out, final double n)
throws IOException
public static int writeToStream( final OutputStream out, final double n )
throws IOException
{
final int l = LittleEndian.DOUBLE_SIZE;
final byte[] buffer = new byte[l];
LittleEndian.putDouble(buffer, 0, n);
out.write(buffer, 0, l);
return l;
LittleEndian.putDouble( n, out );
return LittleEndian.DOUBLE_SIZE;
}
}