Module graph

Package de.grogra.persistence

Class XMLPersistenceWriter

java.lang.Object

de.grogra.persistence.XMLPersistenceWriter

All Implemented Interfaces:

PersistenceOutput

Direct Known Subclasses:

XMLGraphWriter

public class XMLPersistenceWriter
extends Object
implements PersistenceOutput

An XMLPersistenceWriter serializes data into XML elements and attributes. The output can be deserialized by an instance of XMLPersistenceReader.

Author:

Ole Kniemeyer

Field Summary

Fields

Modifier and Type	Field	Description
protected final PersistenceOutputListener	listener
static final String	NAMESPACE
static final Attributes	NS_ATTRIBUTE
static final String	NS_PREFIX

Constructor Summary

Constructors

Constructor	Description
XMLPersistenceWriter(ContentHandler ch, PersistenceOutputListener listener)

Method Summary

Modifier and Type	Method	Description
void	beginArray(int length, Type ct)
void	beginExtent(PersistenceManager manager)
void	beginField(ManageableType.Field field)
void	beginFields()
boolean	beginManaged(ManageableType type, boolean writeType)
void	endArray()
protected void	endElement(String name)
void	endExtent()
void	endField(ManageableType.Field field)
void	endFields()
void	endManaged(Object object, boolean writeType)
void	getAttributes(PersistenceCapable o, AttributesImpl attr)
ContentHandler	getContentHandler()
void	setNested(boolean nested)
protected void	startElement(String name, Attributes attr)
String	toString(Manageable o)	This method serializes o into a single string which may be used, e.g., as an attribute value of an XML element.
String	toString(Type type, Object o)	This method serializes o of type type into a single string which may be used, e.g., as an attribute value of an XML element.
void	writeBoolean(boolean v)
void	writeByte(int v)
void	writeChar(int v)
void	writeDouble(double v)
void	writeFields(Manageable o)
void	writeFloat(float v)
void	writeInt(int v)
void	writeLibraryObjectReference(PersistenceCapable o)
void	writeLong(long v)
void	writeName(String v)
void	writeNullObject()
void	writeObject(Object v, Type type)
void	writePersistentObjectReference(PersistenceCapable o)
void	writeSharedObjectReference(Shareable o)
void	writeShort(int v)
boolean	writeStatic()	Return true if static (global) fields should be written
void	writeString(String v)
void	writeStringObject(String value)

Methods inherited from class java.lang.Object

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

Field Details

NAMESPACE

public static final String NAMESPACE

See Also:

• Constant Field Values

NS_PREFIX

public static final String NS_PREFIX

See Also:

• Constant Field Values

NS_ATTRIBUTE

public static final Attributes NS_ATTRIBUTE

listener

protected final PersistenceOutputListener listener

Constructor Details

XMLPersistenceWriter

public XMLPersistenceWriter(ContentHandler ch,
 PersistenceOutputListener listener)

Method Details

getContentHandler

public ContentHandler getContentHandler()

beginExtent

public void beginExtent(PersistenceManager manager)
                 throws IOException

Throws:

IOException

endExtent

public void endExtent()
               throws IOException

Throws:

IOException

writeName

public void writeName(String v)

Specified by:

writeName in interface PersistenceOutput

writeString

public void writeString(String v)

Specified by:

writeString in interface PersistenceOutput

writeBoolean

public void writeBoolean(boolean v)
                  throws IOException

Specified by:

writeBoolean in interface PersistenceOutput

Throws:

IOException

writeByte

public void writeByte(int v)
               throws IOException

Specified by:

writeByte in interface PersistenceOutput

Throws:

IOException

writeChar

public void writeChar(int v)
               throws IOException

Specified by:

writeChar in interface PersistenceOutput

Throws:

IOException

writeShort

public void writeShort(int v)
                throws IOException

Specified by:

writeShort in interface PersistenceOutput

Throws:

IOException

writeInt

public void writeInt(int v)
              throws IOException

Specified by:

writeInt in interface PersistenceOutput

Throws:

IOException

writeLong

public void writeLong(long v)
               throws IOException

Specified by:

writeLong in interface PersistenceOutput

Throws:

IOException

writeFloat

public void writeFloat(float v)
                throws IOException

Specified by:

writeFloat in interface PersistenceOutput

Throws:

IOException

writeDouble

public void writeDouble(double v)
                 throws IOException

Specified by:

writeDouble in interface PersistenceOutput

Throws:

IOException

writeNullObject

public void writeNullObject()
                     throws IOException

Specified by:

writeNullObject in interface PersistenceOutput

Throws:

IOException

writeStringObject

public void writeStringObject(String value)
                       throws IOException

Specified by:

writeStringObject in interface PersistenceOutput

Throws:

IOException

writeObject

public void writeObject(Object v,
 Type type)
                 throws IOException

Specified by:

writeObject in interface PersistenceOutput

Throws:

IOException

writePersistentObjectReference

public void writePersistentObjectReference(PersistenceCapable o)
                                    throws IOException

Specified by:

writePersistentObjectReference in interface PersistenceOutput

Throws:

IOException

writeSharedObjectReference

public void writeSharedObjectReference(Shareable o)
                                throws IOException

Specified by:

writeSharedObjectReference in interface PersistenceOutput

Throws:

IOException

beginArray

public void beginArray(int length,
 Type ct)
                throws IOException

Specified by:

beginArray in interface PersistenceOutput

Throws:

IOException

endArray

public void endArray()
              throws IOException

Specified by:

endArray in interface PersistenceOutput

Throws:

IOException

beginManaged

public boolean beginManaged(ManageableType type,
 boolean writeType)
                     throws IOException

Specified by:

beginManaged in interface PersistenceOutput

Throws:

IOException

endManaged

public void endManaged(Object object,
 boolean writeType)
                throws IOException

Specified by:

endManaged in interface PersistenceOutput

Throws:

IOException

startElement

protected void startElement(String name,
 Attributes attr)
                     throws IOException

Throws:

IOException

endElement

protected void endElement(String name)
                   throws IOException

Throws:

IOException

beginFields

public void beginFields()

Specified by:

beginFields in interface PersistenceOutput

beginField

public void beginField(ManageableType.Field field)
                throws IOException

Specified by:

beginField in interface PersistenceOutput

Throws:

IOException

endField

public void endField(ManageableType.Field field)
              throws IOException

Specified by:

endField in interface PersistenceOutput

Throws:

IOException

endFields

public void endFields()

Specified by:

endFields in interface PersistenceOutput

setNested

public void setNested(boolean nested)

Specified by:

setNested in interface PersistenceOutput

getAttributes

public void getAttributes(PersistenceCapable o,
 AttributesImpl attr)
                   throws IOException

Throws:

IOException

writeFields

public void writeFields(Manageable o)
                 throws IOException

Throws:

IOException

toString

public String toString(Manageable o)

This method serializes o into a single string which may be used, e.g., as an attribute value of an XML element. The value can be deserialized using XMLPersistenceReader.valueOf(Manageable, String).

Parameters:

o - the value to be serialized

Returns:

a string describing o

toString

public String toString(Type type,
 Object o)

This method serializes o of type type into a single string which may be used, e.g., as an attribute value of an XML element. The value can be deserialized using XMLPersistenceReader.valueOf(Type, String).

Parameters:

type - the type of o

o - the value to be serialized

Returns:

a string describing o

writeLibraryObjectReference

public void writeLibraryObjectReference(PersistenceCapable o)
                                 throws IOException

Specified by:

writeLibraryObjectReference in interface PersistenceOutput

Throws:

IOException

writeStatic

public boolean writeStatic()

Description copied from interface: PersistenceOutput

Return true if static (global) fields should be written

Specified by:

writeStatic in interface PersistenceOutput