Package org.apache.poi.openxml4j.opc

Class ZipPackagePart

java.lang.Object

org.apache.poi.openxml4j.opc.PackagePart

org.apache.poi.openxml4j.opc.ZipPackagePart

All Implemented Interfaces:

Comparable<PackagePart>, RelationshipSource

public class ZipPackagePart
extends PackagePart

Zip implementation of a PackagePart.

See Also:

• PackagePart

Constructor Summary

Constructors

Constructor	Description
ZipPackagePart(OPCPackage container, ZipArchiveEntry zipEntry, PackagePartName partName, String contentType)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	close()	Close this part : flush this part, close the input stream and output stream.
void	flush()	Flush the content of this part.
long	getSize()
ZipArchiveEntry	getZipArchive()	Get the zip entry of this part.
boolean	load(InputStream ios)	Load the content of this part.
boolean	save(OutputStream os)	Save the content of this part and the associated relationships part (if this part own at least one relationship) into the specified output stream.

Methods inherited from class org.apache.poi.openxml4j.opc.PackagePart

addExternalRelationship, addExternalRelationship, addRelationship, addRelationship, addRelationship, addRelationship, clear, clearRelationships, compareTo, findExistingRelation, getContentType, getContentTypeDetails, getInputStream, getOutputStream, getPackage, getPartName, getRelatedPart, getRelationship, getRelationships, getRelationshipsByType, hasRelationships, isDeleted, isRelationshipExists, isRelationshipPart, removeRelationship, setContentType, setDeleted, toString

Methods inherited from class java.lang.Object

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

Constructor Details

ZipPackagePart

public ZipPackagePart(OPCPackage container,
 ZipArchiveEntry zipEntry,
 PackagePartName partName,
 String contentType)
               throws InvalidFormatException

Constructor.

Parameters:

container - The container package.

zipEntry - The zip entry corresponding to this part.

partName - The part name.

contentType - Content type.

Throws:

InvalidFormatException - Throws if the content of this part is invalid.

Method Details

getZipArchive

public ZipArchiveEntry getZipArchive()

Get the zip entry of this part.

Returns:

The zip entry in the zip structure corresponding to this part.

getSize

public long getSize()

Overrides:

getSize in class PackagePart

Returns:

The length of the part in bytes, or -1 if not known

save

public boolean save(OutputStream os)
             throws OpenXML4JException

Description copied from class: PackagePart

Save the content of this part and the associated relationships part (if this part own at least one relationship) into the specified output stream.

Specified by:

save in class PackagePart

Parameters:

os - Output stream to save this part.

Returns:

true if the content has been successfully stored, false otherwise. More information about errors may be logged via Log4j 2.

Throws:

OpenXML4JException - If any exception occur.

load

@NotImplemented
public boolean load(InputStream ios)

Description copied from class: PackagePart

Load the content of this part.

Specified by:

load in class PackagePart

Parameters:

ios - The input stream of the content to load.

Returns:

true if the content has been successfully loaded, false otherwise. More information about errors may be logged via Log4j 2.

close

@NotImplemented
public void close()

Description copied from class: PackagePart

Close this part : flush this part, close the input stream and output stream. After this method call, the part must be available for packaging.

Specified by:

close in class PackagePart

flush

@NotImplemented
public void flush()

Description copied from class: PackagePart

Flush the content of this part. If the input stream and/or output stream as in a waiting state to read or write, the must to empty their respective buffer.

Specified by:

flush in class PackagePart