Package org.apache.poi.openxml4j.opc.internal

Class MemoryPackagePart

java.lang.Object

org.apache.poi.openxml4j.opc.PackagePart

org.apache.poi.openxml4j.opc.internal.MemoryPackagePart

All Implemented Interfaces:

java.lang.Comparable<PackagePart>, RelationshipSource

public final class MemoryPackagePart
extends PackagePart

Memory version of a package part. Use to

Constructor Summary

Constructors

Constructor	Description
MemoryPackagePart(OPCPackage pack, PackagePartName partName, java.lang.String contentType)	Constructor.
MemoryPackagePart(OPCPackage pack, PackagePartName partName, java.lang.String contentType, boolean loadRelationships)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	clear()	Allows sub-classes to clean up before new data is added.
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()
boolean	load(java.io.InputStream ios)	Load the content of this part.
boolean	save(java.io.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, 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 Detail

MemoryPackagePart

public MemoryPackagePart(OPCPackage pack,
                         PackagePartName partName,
                         java.lang.String contentType)
                  throws InvalidFormatException

Constructor.

Parameters:

pack - The owner package.

partName - The part name.

contentType - The content type.

Throws:

InvalidFormatException - If the specified URI is not OPC compliant.

MemoryPackagePart

public MemoryPackagePart(OPCPackage pack,
                         PackagePartName partName,
                         java.lang.String contentType,
                         boolean loadRelationships)
                  throws InvalidFormatException

Constructor.

Parameters:

pack - The owner package.

partName - The part name.

contentType - The content type.

loadRelationships - Specify if the relationships will be loaded.

Throws:

InvalidFormatException - If the specified URI is not OPC compliant.

Method Detail

getSize

public long getSize()

Overrides:

getSize in class PackagePart

Returns:

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

clear

public void clear()

Description copied from class: PackagePart

Allows sub-classes to clean up before new data is added.

Overrides:

clear in class PackagePart

save

public boolean save(java.io.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:

boolean flag that shows if the save succeeded

Throws:

OpenXML4JException - If any exception occur.

load

public boolean load(java.io.InputStream ios)
             throws InvalidFormatException

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, else false.

Throws:

InvalidFormatException - Throws if the content format is invalid.

close

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

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