org.purplejrank.jdk

Class JdkStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

java.io.DataInputStream

org.purplejrank.jdk.JdkStream

All Implemented Interfaces:

Closeable, DataInput

public class JdkStream
extends DataInputStream

Parser for JDK object streams

Author:

robin

Field Summary

Fields

Modifier and Type	Field and Description
protected List<WiredBlock>	wiredBlocks

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor and Description
JdkStream(InputStream in)

Method Summary

Methods

Modifier and Type	Method and Description
List<WiredBlock>	getWiredBlocks()
Block	readBlock() Read any block
<T extends Block> T	readBlock(Class<T> type) Read a Block of a specified type, throwing StreamCorruptedException if the block isn't of that type
String	readLongUTF() Read a "longstring" format UTF string
void	verify() Skip through the stream, verifying its form
int	wireBlock(WiredBlock ref) Make a backreference available for a Block
static void	writeEscapedInt(OutputStream out, int v) Write an escaped int
static void	writeEscapedLong(OutputStream out, long v) Write an escaped long
static void	writeUTF(OutputStream out, String s) Write a Jrank format string

Methods inherited from class java.io.DataInputStream

read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, readUTF, skipBytes

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

wiredBlocks

protected List<WiredBlock> wiredBlocks

Constructor Detail

JdkStream

public JdkStream(InputStream in)
          throws IOException

Throws:

IOException

Method Detail

verify

public void verify()
            throws IOException

Skip through the stream, verifying its form

Throws:

IOException

wireBlock

public int wireBlock(WiredBlock ref)

Make a backreference available for a Block

Parameters:

ref -

Returns:

getWiredBlocks

public List<WiredBlock> getWiredBlocks()

readBlock

public <T extends Block> T readBlock(Class<T> type)
                          throws IOException

Read a Block of a specified type, throwing StreamCorruptedException if the block isn't of that type

Parameters:

type -

Returns:

Throws:

IOException

readBlock

public Block readBlock()
                throws IOException

Read any block

Returns:

Throws:

IOException

readLongUTF

public String readLongUTF()
                   throws IOException

Read a "longstring" format UTF string

Returns:

Throws:

IOException

writeEscapedInt

public static void writeEscapedInt(OutputStream out,
                   int v)
                            throws IOException

Write an escaped int

Parameters:

out -

v -

Throws:

IOException

writeEscapedLong

public static void writeEscapedLong(OutputStream out,
                    long v)
                             throws IOException

Write an escaped long

Parameters:

out -

v -

Throws:

IOException

writeUTF

public static void writeUTF(OutputStream out,
            String s)
                     throws IOException

Write a Jrank format string

Parameters:

out -

s -

Throws:

IOException