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

Class PackagePropertiesUnmarshaller

java.lang.Object

org.apache.poi.openxml4j.opc.internal.unmarshallers.PackagePropertiesUnmarshaller

All Implemented Interfaces:

PartUnmarshaller

public final class PackagePropertiesUnmarshaller
extends Object
implements PartUnmarshaller

Package properties unmarshaller.

Constructor Summary

Constructors

Constructor	Description
PackagePropertiesUnmarshaller()

Method Summary

Modifier and Type	Method	Description
void	checkElementForOPCCompliance(Element el)	Check the element for the following OPC compliance rules:
PackagePart	unmarshall(UnmarshallContext context, InputStream in)	Save the content of the package in the stream

Methods inherited from class java.lang.Object

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

Constructor Details

PackagePropertiesUnmarshaller

public PackagePropertiesUnmarshaller()

Method Details

unmarshall

public PackagePart unmarshall(UnmarshallContext context,
 InputStream in)
                       throws InvalidFormatException,
IOException

Description copied from interface: PartUnmarshaller

Save the content of the package in the stream

Specified by:

unmarshall in interface PartUnmarshaller

Parameters:

in - The input stream from which the part will be read.

Returns:

The part freshly read from the input stream.

Throws:

InvalidFormatException - If the data can not be interpreted correctly

IOException - if reading from the stream fails

checkElementForOPCCompliance

public void checkElementForOPCCompliance(Element el)
                                  throws InvalidFormatException

Check the element for the following OPC compliance rules:

Rule M4.2: A format consumer shall consider the use of the Markup Compatibility namespace to be an error.

Rule M4.3: Producers shall not create a document element that contains refinements to the Dublin Core elements, except for the two specified in the schema: <dcterms:created> and <dcterms:modified> Consumers shall consider a document element that violates this constraint to be an error.

Rule M4.4: Producers shall not create a document element that contains the xml:lang attribute. Consumers shall consider a document element that violates this constraint to be an error.

Rule M4.5: Producers shall not create a document element that contains the xsi:type attribute, except for a <dcterms:created> or <dcterms:modified> element where the xsi:type attribute shall be present and shall hold the value dcterms:W3CDTF, where dcterms is the namespace prefix of the Dublin Core namespace. Consumers shall consider a document element that violates this constraint to be an error.

Throws:

InvalidFormatException