Package org.jboss.classfilewriter.util

Class ByteArrayDataOutputStream

java.lang.Object

java.io.OutputStream

java.io.FilterOutputStream

java.io.DataOutputStream

org.jboss.classfilewriter.util.ByteArrayDataOutputStream

All Implemented Interfaces:

Closeable, DataOutput, Flushable, AutoCloseable

public class ByteArrayDataOutputStream
extends DataOutputStream

DataOutputStream sub class that allows for the lazy writing of length values.

These length values are inserted into the bytes when then final bytes are read.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private class	ByteArrayDataOutputStream.LazySizeImpl

Field Summary

Fields

Modifier and Type	Field	Description
private final ByteArrayOutputStream	bytes
private final List<ByteArrayDataOutputStream.LazySizeImpl>	sizes

Fields inherited from class java.io.DataOutputStream

written

Fields inherited from class java.io.FilterOutputStream

out

Constructor Summary

Constructors

Constructor	Description
ByteArrayDataOutputStream()
ByteArrayDataOutputStream(ByteArrayOutputStream bytes)

Method Summary

Modifier and Type	Method	Description
byte[]	getBytes()
private void	overwriteInt(byte[] bytecode, int offset, int value)	overwrites a 32 bit value in the already written bytecode data
LazySize	writeSize()

Methods inherited from class java.io.DataOutputStream

flush, size, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF

Methods inherited from class java.io.FilterOutputStream

close, write

Methods inherited from class java.io.OutputStream

nullOutputStream

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.io.DataOutput

write

Field Details

bytes

private final ByteArrayOutputStream bytes

sizes

private final List<ByteArrayDataOutputStream.LazySizeImpl> sizes

Constructor Details

ByteArrayDataOutputStream

public ByteArrayDataOutputStream(ByteArrayOutputStream bytes)

ByteArrayDataOutputStream

public ByteArrayDataOutputStream()

Method Details

writeSize

public LazySize writeSize()
                   throws IOException

Throws:

IOException

getBytes

public byte[] getBytes()

overwriteInt

private void overwriteInt(byte[] bytecode,
 int offset,
 int value)

overwrites a 32 bit value in the already written bytecode data