com.crionics.jpdf
Class ArrayByteReader

java.lang.Object
  com.crionics.jpdf.ArrayByteReader

All Implemented Interfaces:

ByteReader

public class ArrayByteReader
extends java.lang.Object
implements ByteReader

This class is used to parse the document from a memory byte array

Constructor Summary

ArrayByteReader(byte[] theBuffer)
Creates a new ArrayByteReader object.

ArrayByteReader(java.io.InputStream is)
Creates a new ArrayByteReader object from an inputstream.

Method Summary

void	append(java.util.ArrayList theBuffer) Appends the array at the end of the bytereader.
void	close() Closes the document.
java.lang.String	getID() Returns a human readable description of this byte reader (for instance a path for a file,...).
java.io.InputStream	getInputStream() Returns an InputStream on the document.
int	length() Returns the size of the document in bytes.
void	open() Opens the document.
int	readUnsignedByte() Returns an unsigned byte from the document.
void	readUnsignedBytes(byte[] theBuffer, int len) Reads unsigned bytes from document and stores them in a buffer.
void	seek(int pos) Sets the cursor position of the specified offset.

Methods inherited from class java.lang.Object

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

Constructor Detail

ArrayByteReader

public ArrayByteReader(byte[] theBuffer)

Creates a new ArrayByteReader object.

Parameters:

theBuffer - The buffer in memory containing the PDF document.

ArrayByteReader

public ArrayByteReader(java.io.InputStream is)
                throws java.io.IOException

Creates a new ArrayByteReader object from an inputstream. The stream is copied into an internal byte buffer.

Parameters:

is - The input stream.

Throws:

java.io.IOException - io problem

Method Detail

append

public void append(java.util.ArrayList theBuffer)

Description copied from interface: ByteReader

Appends the array at the end of the bytereader.

Specified by:

append in interface ByteReader

Parameters:

theBuffer - bytes to append.

See Also:

ByteReader.append(ArrayList)

close

public void close()

Description copied from interface: ByteReader

Closes the document.

Specified by:

close in interface ByteReader

See Also:

ByteReader.close()

getID

public java.lang.String getID()

Description copied from interface: ByteReader

Returns a human readable description of this byte reader (for instance a path for a file,...).

Specified by:

getID in interface ByteReader

Returns:

A human readable description.

See Also:

ByteReader.getID()

getInputStream

public java.io.InputStream getInputStream()

Description copied from interface: ByteReader

Returns an InputStream on the document.

Specified by:

getInputStream in interface ByteReader

Returns:

an InputStream on the document.

See Also:

ByteReader.getInputStream()

length

public int length()

Description copied from interface: ByteReader

Returns the size of the document in bytes.

Specified by:

length in interface ByteReader

Returns:

The size of the document in bytes.

See Also:

ByteReader.length()

open

public void open()

Description copied from interface: ByteReader

Opens the document.

Specified by:

open in interface ByteReader

See Also:

ByteReader.open()

readUnsignedByte

public int readUnsignedByte()

Description copied from interface: ByteReader

Returns an unsigned byte from the document.

Specified by:

readUnsignedByte in interface ByteReader

Returns:

an unsigned byte from the document

See Also:

ByteReader.readUnsignedByte()

readUnsignedBytes

public void readUnsignedBytes(byte[] theBuffer,
                              int len)

Description copied from interface: ByteReader

Reads unsigned bytes from document and stores them in a buffer.

Specified by:

readUnsignedBytes in interface ByteReader

Parameters:

theBuffer - The byte buffer where the data will be stored.

len - The number of bytes to read from the document.

See Also:

ByteReader.readUnsignedBytes(byte[], int)

seek

public void seek(int pos)
          throws java.io.IOException

Description copied from interface: ByteReader

Sets the cursor position of the specified offset.

Specified by:

seek in interface ByteReader

Parameters:

pos - offset in bytes.

Throws:

java.io.IOException - io problem.

See Also:

ByteReader.seek(int)