Package com.mcgath.jhove.module.png

Class ZtxtChunk

java.lang.Object

com.mcgath.jhove.module.png.PNGChunk

com.mcgath.jhove.module.png.GeneralTextChunk

com.mcgath.jhove.module.png.ZtxtChunk

public class ZtxtChunk
extends GeneralTextChunk

Representation of the zTXt (compressed text) chunk

Field Summary

Fields inherited from class com.mcgath.jhove.module.png.GeneralTextChunk

standardKeywords

Fields inherited from class com.mcgath.jhove.module.png.PNGChunk

_dstream, _module, _nisoMetadata, _propList, ancillary, bKGD_HEAD_SIG, cHRM_HEAD_SIG, chunkData, chunkType, crc, duplicateAllowed, gAMA_HEAD_SIG, hIST_HEAD_SIG, iCCP_HEAD_SIG, IDAT_HEAD_SIG, IEND_HEAD_SIG, IHDR_HEAD_SIG, iTXt_HEAD_SIG, length, pHYs_HEAD_SIG, PLTE_HEAD_SIG, sBIT_HEAD_SIG, sPLT_HEAD_SIG, sRGB_HEAD_SIG, tEXt_HEAD_SIG, tIME_HEAD_SIG, tRNS_HEAD_SIG, zTXt_HEAD_SIG

Constructor Summary

Constructors

Constructor	Description
ZtxtChunk(int sig, long leng)	Constructor

Method Summary

Modifier and Type	Method	Description
void	processChunk(RepInfo info)	Process a chunk.

Methods inherited from class com.mcgath.jhove.module.png.GeneralTextChunk

inflateToText

Methods inherited from class com.mcgath.jhove.module.png.PNGChunk

chunkTypeString, getChunkData, getChunkType, getCRC, getLength, makePNGChunk, processChunkCommon, readCRC, readUnsignedByte, readUnsignedInt, readUnsignedShort, setInputStream, setModule, setNisoMetadata, setPropertyList, skipBytes

Methods inherited from class java.lang.Object

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

Constructor Details

ZtxtChunk

public ZtxtChunk(int sig,
 long leng)

Constructor

Parameters:

sig - : int representing chunktype

leng - : long representing length

Method Details

processChunk

public void processChunk(RepInfo info)
                  throws Exception

Description copied from class: PNGChunk

Process a chunk. When this is called, the input stream needs to have read the type and length and be positioned at the start of the data. The default behavior is to eat the chunk. This should be the behavior only for UnknownChunk when we're done.

Overrides:

processChunk in class PNGChunk

Throws:

Exception