POIXMLDocumentPart (zss 3.9.3 API)

java.lang.Object
- org.zkoss.poi.POIXMLDocumentPart

Direct Known Subclasses:

CalculationChain, CommentsTable, ExternalLink, MapInfo, POIXMLDocument, SharedStringsTable, SingleXmlCells, StylesTable, ThemesTable, XSLFChart, XSLFCommentAuthors, XSLFComments, XSLFPictureData, XSLFSheet, XSLFTableStyles, XSLFTheme, XSSFAutoFilter, XSSFChart, XSSFDrawing, XSSFPictureData, XSSFPivotCache, XSSFPivotCacheRecords, XSSFPivotTable, XSSFSheet, XSSFTable, XSSFVMLDrawing, XWPFFootnotes, XWPFHeaderFooter, XWPFNumbering, XWPFPictureData, XWPFSettings, XWPFStyles
```
public class POIXMLDocumentPart
extends java.lang.Object
```
Represents an entry of a OOXML package.
Each POIXMLDocumentPart keeps a reference to the underlying a PackagePart.

Author:

Yegor Kozlov

Field Summary

Fields
Modifier and Type Field and Description

static org.apache.xmlbeans.XmlOptions DEFAULT_XML_OPTIONS

Fields
Modifier and Type	Field and Description
`static org.apache.xmlbeans.XmlOptions`	`DEFAULT_XML_OPTIONS`

Constructor Summary

Constructors
Constructor and Description
`POIXMLDocumentPart()` Creates new POIXMLDocumentPart - called by client code to create new parts from scratch.
`POIXMLDocumentPart(OPCPackage pkg)` Construct POIXMLDocumentPart representing a "core document" package part.
`POIXMLDocumentPart(PackagePart part, PackageRelationship rel)` Creates an POIXMLDocumentPart representing the given package part and relationship.
`POIXMLDocumentPart(POIXMLDocumentPart parent, PackagePart part, PackageRelationship rel)` Creates an POIXMLDocumentPart representing the given package part, relationship and parent Called by `read(POIXMLFactory, java.util.Map)` when reading in an exisiting file.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addRelation(java.lang.String id, POIXMLDocumentPart part)` Add a new child POIXMLDocumentPart
`protected void`	`clearMemoryPackagePart(PackagePart part)`
`protected void`	`commit()` Save the content in the underlying package part.
`POIXMLDocumentPart`	`createRelationship(POIXMLRelation descriptor, POIXMLFactory factory)` Create a new child POIXMLDocumentPart
`POIXMLDocumentPart`	`createRelationship(POIXMLRelation descriptor, POIXMLFactory factory, int idx)`
`protected POIXMLDocumentPart`	`createRelationship(POIXMLRelation descriptor, POIXMLFactory factory, int idx, boolean noRelation)` Create a new child POIXMLDocumentPart
`PackagePart`	`getPackagePart()` Provides access to the underlying PackagePart
`PackageRelationship`	`getPackageRelationship()` Provides access to the PackageRelationship that identifies this POIXMLDocumentPart
`POIXMLDocumentPart`	`getParent()` Returns the parent POIXMLDocumentPart.
`POIXMLDocumentPart`	`getRelationById(java.lang.String id)` Returns the target `POIXMLDocumentPart`, where a `PackageRelationship` is set from the `PackagePart` of this `POIXMLDocumentPart` to the `PackagePart` of the target `POIXMLDocumentPart` with a `PackageRelationship.getId()` matching the given parameter value.
`protected int`	`getRelationCounter()`
`java.lang.String`	`getRelationId(POIXMLDocumentPart part)` Returns the `PackageRelationship.getId()` of the `PackageRelationship`, that sources from the `PackagePart` of this `POIXMLDocumentPart` to the `PackagePart` of the given parameter value.
`java.util.List<POIXMLDocumentPart>`	`getRelations()` Returns the list of child relations for this POIXMLDocumentPart
`protected PackagePart`	`getTargetPart(PackageRelationship rel)` Get the PackagePart that is the target of a relationship from this Part.
`protected void`	`onDocumentCreate()` Fired when a new package part is created
`protected void`	`onDocumentRead()` Fired when a package part is read
`protected void`	`onDocumentRemove()` Fired when a package part is about to be removed from the package
`protected void`	`onSave(java.util.Set<PackagePart> alreadySaved)` Save changes in the underlying OOXML package.
`protected void`	`read(POIXMLFactory factory, java.util.Map<PackagePart,POIXMLDocumentPart> context)` Iterate through the underlying PackagePart and create child POIXMLFactory instances using the specified factory
`protected void`	`rebase(OPCPackage pkg)` When you open something like a theme, call this to re-base the XML Document onto the core child of the current core document
`protected void`	`removeRelation(POIXMLDocumentPart part)` Remove the relation to the specified part in this package and remove the part, if it is no longer needed.
`protected boolean`	`removeRelation(POIXMLDocumentPart part, boolean removeUnusedParts)` Remove the relation to the specified part in this package and remove the part, if it is no longer needed and flag is set to true.
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - DEFAULT_XML_OPTIONS
```
public static final org.apache.xmlbeans.XmlOptions DEFAULT_XML_OPTIONS
```
- Constructor Detail
  - POIXMLDocumentPart
```
public POIXMLDocumentPart(OPCPackage pkg)
```
    Construct POIXMLDocumentPart representing a "core document" package part.
  - POIXMLDocumentPart
```
public POIXMLDocumentPart()
```
    Creates new POIXMLDocumentPart - called by client code to create new parts from scratch.
    
    See Also:
    
    createRelationship(POIXMLRelation, POIXMLFactory, int, boolean)
  - POIXMLDocumentPart
```
public POIXMLDocumentPart(PackagePart part,
                          PackageRelationship rel)
```
    Creates an POIXMLDocumentPart representing the given package part and relationship. Called by read(POIXMLFactory, java.util.Map) when reading in an exisiting file.
    
    Parameters:
    
    part - - The package part that holds xml data represenring this sheet.
    
    rel - - the relationship of the given package part
    
    See Also:
    
    read(POIXMLFactory, java.util.Map)
  - POIXMLDocumentPart
```
public POIXMLDocumentPart(POIXMLDocumentPart parent,
                          PackagePart part,
                          PackageRelationship rel)
```
    Creates an POIXMLDocumentPart representing the given package part, relationship and parent Called by read(POIXMLFactory, java.util.Map) when reading in an exisiting file.
    
    Parameters:
    
    parent - - Parent part
    
    part - - The package part that holds xml data represenring this sheet.
    
    rel - - the relationship of the given package part
    
    See Also:
    
    read(POIXMLFactory, java.util.Map)
- Method Detail
  - getRelationCounter
```
protected int getRelationCounter()
```
  - rebase
```
protected final void rebase(OPCPackage pkg)
                     throws InvalidFormatException
```
    When you open something like a theme, call this to re-base the XML Document onto the core child of the current core document
    
    Throws:
    
    InvalidFormatException
  - getPackagePart
```
public final PackagePart getPackagePart()
```
    Provides access to the underlying PackagePart
    
    Returns:
    
    the underlying PackagePart
  - getPackageRelationship
```
public final PackageRelationship getPackageRelationship()
```
    Provides access to the PackageRelationship that identifies this POIXMLDocumentPart
    
    Returns:
    
    the PackageRelationship that identifies this POIXMLDocumentPart
  - getRelations
```
public final java.util.List<POIXMLDocumentPart> getRelations()
```
    Returns the list of child relations for this POIXMLDocumentPart
    
    Returns:
    
    child relations
  - getRelationById
```
public final POIXMLDocumentPart getRelationById(java.lang.String id)
```
    Returns the target POIXMLDocumentPart, where a PackageRelationship is set from the PackagePart of this POIXMLDocumentPart to the PackagePart of the target POIXMLDocumentPart with a PackageRelationship.getId() matching the given parameter value.
    
    Parameters:
    
    id - The relation id to look for
    
    Returns:
    
    the target part of the relation, or null, if none exists
  - getRelationId
```
public final java.lang.String getRelationId(POIXMLDocumentPart part)
```
    Returns the PackageRelationship.getId() of the PackageRelationship, that sources from the PackagePart of this POIXMLDocumentPart to the PackagePart of the given parameter value.
    
    Parameters:
    
    part - The POIXMLDocumentPart for which the according relation-id shall be found.
    
    Returns:
    
    The value of the PackageRelationship.getId() or null, if parts are not related.
  - addRelation
```
public final void addRelation(java.lang.String id,
                              POIXMLDocumentPart part)
```
    Add a new child POIXMLDocumentPart
    
    Parameters:
    
    part - the child to add
  - removeRelation
```
protected final void removeRelation(POIXMLDocumentPart part)
```
    Remove the relation to the specified part in this package and remove the part, if it is no longer needed.
  - removeRelation
```
protected final boolean removeRelation(POIXMLDocumentPart part,
                                       boolean removeUnusedParts)
```
    Remove the relation to the specified part in this package and remove the part, if it is no longer needed and flag is set to true.
    
    Parameters:
    
    part - The related part, to which the relation shall be removed.
    
    removeUnusedParts - true, if the part shall be removed from the package if not needed any longer.
  - getParent
```
public final POIXMLDocumentPart getParent()
```
    Returns the parent POIXMLDocumentPart. All parts except root have not-null parent.
    
    Returns:
    
    the parent POIXMLDocumentPart or null for the root element.
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - commit
```
protected void commit()
               throws java.io.IOException
```
    Save the content in the underlying package part. Default implementation is empty meaning that the package part is left unmodified. Sub-classes should override and add logic to marshal the "model" into Ooxml4J. For example, the code saving a generic XML entry may look as follows:
```
 protected void commit() throws IOException {
   PackagePart part = getPackagePart();
   OutputStream out = part.getOutputStream();
   XmlObject bean = getXmlBean(); //the "model" which holds changes in memory
   bean.save(out, DEFAULT_XML_OPTIONS);
   out.close();
 }
  
```
    Throws:
    
    java.io.IOException
  - onSave
```
protected final void onSave(java.util.Set<PackagePart> alreadySaved)
                     throws java.io.IOException
```
    Save changes in the underlying OOXML package. Recursively fires commit() for each package part
    
    Parameters:
    
    alreadySaved - context set containing already visited nodes
    
    Throws:
    
    java.io.IOException
  - createRelationship
```
public final POIXMLDocumentPart createRelationship(POIXMLRelation descriptor,
                                                   POIXMLFactory factory)
```
    Create a new child POIXMLDocumentPart
    
    Parameters:
    
    descriptor - the part descriptor
    
    factory - the factory that will create an instance of the requested relation
    
    Returns:
    
    the created child POIXMLDocumentPart
  - createRelationship
```
public final POIXMLDocumentPart createRelationship(POIXMLRelation descriptor,
                                                   POIXMLFactory factory,
                                                   int idx)
```
  - createRelationship
```
protected final POIXMLDocumentPart createRelationship(POIXMLRelation descriptor,
                                                      POIXMLFactory factory,
                                                      int idx,
                                                      boolean noRelation)
```
    Create a new child POIXMLDocumentPart
    
    Parameters:
    
    descriptor - the part descriptor
    
    factory - the factory that will create an instance of the requested relation
    
    idx - part number
    
    noRelation - if true, then no relationship is added.
    
    Returns:
    
    the created child POIXMLDocumentPart
  - read
```
protected void read(POIXMLFactory factory,
                    java.util.Map<PackagePart,POIXMLDocumentPart> context)
             throws OpenXML4JException
```
    Iterate through the underlying PackagePart and create child POIXMLFactory instances using the specified factory
    
    Parameters:
    
    factory - the factory object that creates POIXMLFactory instances
    
    context - context map containing already visited noted keyed by targetURI
    
    Throws:
    
    OpenXML4JException
  - getTargetPart
```
protected PackagePart getTargetPart(PackageRelationship rel)
                             throws InvalidFormatException
```
    Get the PackagePart that is the target of a relationship from this Part.
    
    Parameters:
    
    rel - The relationship
    
    Returns:
    
    The target part
    
    Throws:
    
    InvalidFormatException
  - onDocumentCreate
```
protected void onDocumentCreate()
                         throws java.io.IOException
```
    Fired when a new package part is created
    
    Throws:
    
    java.io.IOException
  - onDocumentRead
```
protected void onDocumentRead()
                       throws java.io.IOException
```
    Fired when a package part is read
    
    Throws:
    
    java.io.IOException
  - onDocumentRemove
```
protected void onDocumentRemove()
                         throws java.io.IOException
```
    Fired when a package part is about to be removed from the package
    
    Throws:
    
    java.io.IOException
  - clearMemoryPackagePart
```
protected void clearMemoryPackagePart(PackagePart part)
```

Class POIXMLDocumentPart

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

DEFAULT_XML_OPTIONS

Constructor Detail

POIXMLDocumentPart

POIXMLDocumentPart

POIXMLDocumentPart

POIXMLDocumentPart

Method Detail

getRelationCounter

rebase

getPackagePart

getPackageRelationship

getRelations

getRelationById

getRelationId

addRelation

removeRelation

removeRelation

getParent

toString

commit

onSave

createRelationship

createRelationship

createRelationship

read

getTargetPart

onDocumentCreate

onDocumentRead

onDocumentRemove

clearMemoryPackagePart