org.apache.commons.imaging.formats.jpeg.segments

Class GenericSegment

java.lang.Object

org.apache.commons.imaging.common.BinaryFileParser

org.apache.commons.imaging.formats.jpeg.segments.Segment

org.apache.commons.imaging.formats.jpeg.segments.GenericSegment

Direct Known Subclasses:

AppnSegment, ComSegment, UnknownSegment

public abstract class GenericSegment
extends Segment

Field Summary

Fields inherited from class org.apache.commons.imaging.formats.jpeg.segments.Segment

length, marker

Constructor Summary

Constructors

Constructor and Description
GenericSegment(int marker, byte[] bytes)
GenericSegment(int marker, int markerLength, InputStream is)

Method Summary

Modifier and Type	Method and Description
void	dump(PrintWriter pw)
void	dump(PrintWriter pw, int start)
byte[]	getSegmentData() Returns a copy of the segment's contents, excluding the marker and length bytes at the beginning.
protected byte	getSegmentData(int offset) Returns a specific byte of the segment's contents, excluding the marker and length bytes at the beginning.
String	getSegmentDataAsString(String encoding) Convert the bytes to a String

Methods inherited from class org.apache.commons.imaging.formats.jpeg.segments.Segment

getDescription, getSegmentType, toString

Methods inherited from class org.apache.commons.imaging.common.BinaryFileParser

debugNumber, debugNumber, getByteOrder, setByteOrder

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericSegment

public GenericSegment(int marker,
                      int markerLength,
                      InputStream is)
               throws IOException

Throws:

IOException

GenericSegment

public GenericSegment(int marker,
                      byte[] bytes)

Method Detail

dump

public void dump(PrintWriter pw)

Overrides:

dump in class Segment

dump

public void dump(PrintWriter pw,
                 int start)

getSegmentData

public byte[] getSegmentData()

Returns a copy of the segment's contents, excluding the marker and length bytes at the beginning.

Returns:

the segment's contents

getSegmentData

protected byte getSegmentData(int offset)

Returns a specific byte of the segment's contents, excluding the marker and length bytes at the beginning.

Parameters:

offset - segment offset

Returns:

the bye in the segment's contents

See Also:

getSegmentData()

getSegmentDataAsString

public String getSegmentDataAsString(String encoding)
                              throws UnsupportedEncodingException

Convert the bytes to a String

Parameters:

encoding - segment encoding

Returns:

the encoded bytes

Throws:

UnsupportedEncodingException - if the encoding provided is not supported