edu.harvard.hul.ois.jhove.module.aiff
Class TextChunk

java.lang.Object
  edu.harvard.hul.ois.jhove.module.iff.Chunk
      edu.harvard.hul.ois.jhove.module.aiff.TextChunk

Direct Known Subclasses:

AnnotationChunk, AuthorChunk, CopyrightChunk, NameChunk

public abstract class TextChunk
extends Chunk

Abstract superclass for the name, author, copyright, and annotation chunks, all of which have the same format.

Author:

Gary McGath

Field Summary

protected java.lang.String

propName Name of the property.

Fields inherited from class edu.harvard.hul.ois.jhove.module.iff.Chunk

_dstream, _module, bytesLeft

Constructor Summary

TextChunk(AiffModule module, ChunkHeader hdr, java.io.DataInputStream dstrm)
Constructor.

Method Summary

boolean	readChunk(RepInfo info) Reads a chunk and puts appropriate information into the RepInfo object.
protected java.lang.String	readText() Reads the chunk's text data.

Methods inherited from class edu.harvard.hul.ois.jhove.module.iff.Chunk

byteBufString

Methods inherited from class java.lang.Object

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

Field Detail

propName

protected java.lang.String propName

Name of the property. The subclass constructor must set this appropriately.

Constructor Detail

TextChunk

public TextChunk(AiffModule module,
                 ChunkHeader hdr,
                 java.io.DataInputStream dstrm)

Constructor.

Parameters:

module - The AIFFModule under which this was called

hdr - The header for this chunk

dstrm - The stream from which the AIFF data are being read

Method Detail

readChunk

public boolean readChunk(RepInfo info)
                  throws java.io.IOException

Reads a chunk and puts appropriate information into the RepInfo object. This method works for TextChunk, CopyrightChunk and AuthorChunk. AnnotationChunk overrides it, since there can be multiple annotations.

Specified by:

readChunk in class Chunk

Parameters:

info - RepInfo object to receive information

Returns:

false if the chunk is structurally invalid, otherwise true

Throws:

java.io.IOException

readText

protected java.lang.String readText()
                             throws java.io.IOException

Reads the chunk's text data. All text chunk subclasses consist of a text string which takes up the full byte count of the chunk. By the specification, the text is required to be ASCII.

Throws:

java.io.IOException