org.freehep.graphicsio.cgm
Class CGMInputStream

java.lang.Object
  |
  +--java.io.InputStream
        |
        +--org.freehep.util.io.DecompressableInputStream
              |
              +--org.freehep.util.io.BitInputStream
                    |
                    +--org.freehep.util.io.ByteOrderInputStream
                          |
                          +--org.freehep.util.io.ByteCountInputStream
                                |
                                +--org.freehep.util.io.TaggedInputStream
                                      |
                                      +--org.freehep.graphicsio.cgm.CGMInputStream

All Implemented Interfaces:

DataInput

public class CGMInputStream

extends TaggedInputStream

This class extends the TaggedInputStream with several methods to read TagHeaders. It is a dummy implementation at this time, and only used for tagID analysis.

Version:

$Id: CGMInputStream.java,v 1.1 2003/12/02 23:40:29 duns Exp $

Author:

Mark Donszelmann

Field Summary

static int

DEFAULT_VERSION

Fields inherited from class org.freehep.util.io.TaggedInputStream

actionSet, tagSet

Fields inherited from class org.freehep.util.io.ByteOrderInputStream

little

Fields inherited from class org.freehep.util.io.BitInputStream

BIT_MASK, FIELD_MASK, MASK_SIZE, ONES, ZERO

Constructor Summary

CGMInputStream(InputStream is)

CGMInputStream(InputStream is, CGMTagSet tagSet)

CGMInputStream(InputStream is, int version)

Method Summary

int	getVersion()
protected ActionHeader	readActionHeader() Decodes and returns the ActionHeader, which includes an actionCode and a length
protected TagHeader	readTagHeader() Decodes and returns the TagHeader, which includes a TagID and a length

Methods inherited from class org.freehep.util.io.TaggedInputStream

addAction, addTag, readAction, readTag

Methods inherited from class org.freehep.util.io.ByteCountInputStream

getLength, popBuffer, pushBuffer, read

Methods inherited from class org.freehep.util.io.ByteOrderInputStream

readAsciiZString, readBoolean, readByte, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readInt, readLine, readLong, readShort, readShort, readString, readUnsignedByte, readUnsignedByte, readUnsignedInt, readUnsignedInt, readUnsignedShort, readUnsignedShort, readUTF, skipBytes

Methods inherited from class org.freehep.util.io.BitInputStream

byteAlign, fetchByte, readBitFlag, readFBits, readSBits, readUBits

Methods inherited from class org.freehep.util.io.DecompressableInputStream

skip, startDecompressing

Methods inherited from class java.io.InputStream

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

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_VERSION

public static int DEFAULT_VERSION

Constructor Detail

CGMInputStream

public CGMInputStream(InputStream is)
               throws IOException

CGMInputStream

public CGMInputStream(InputStream is,
                      int version)
               throws IOException

CGMInputStream

public CGMInputStream(InputStream is,
                      CGMTagSet tagSet)
               throws IOException

Method Detail

readTagHeader

protected TagHeader readTagHeader()
                           throws IOException

Description copied from class: TaggedInputStream

Decodes and returns the TagHeader, which includes a TagID and a length

Specified by:

readTagHeader in class TaggedInputStream

IOException

readActionHeader

protected ActionHeader readActionHeader()
                                 throws IOException

Description copied from class: TaggedInputStream

Decodes and returns the ActionHeader, which includes an actionCode and a length

Specified by:

readActionHeader in class TaggedInputStream

IOException

getVersion

public int getVersion()