jakarta.xml.bind.helpers

Class AbstractMarshallerImpl

java.lang.Object

jakarta.xml.bind.helpers.AbstractMarshallerImpl

All Implemented Interfaces:

Marshaller

public abstract class AbstractMarshallerImpl
extends Object
implements Marshaller

Partial default Marshaller implementation.

This class provides a partial default implementation for the Marshaller interface.

The only methods that a Jakarta XML Binding Provider has to implement are marshal(Object, javax.xml.transform.Result), marshal(Object, javax.xml.stream.XMLStreamWriter), and marshal(Object, javax.xml.stream.XMLEventWriter).

Since:

1.6, JAXB 1.0

Author:

• Kohsuke Kawaguchi, Sun Microsystems, Inc.

See Also:

Marshaller

Nested Class Summary

Nested classes/interfaces inherited from interface jakarta.xml.bind.Marshaller

Marshaller.Listener

Field Summary

Fields inherited from interface jakarta.xml.bind.Marshaller

JAXB_ENCODING, JAXB_FORMATTED_OUTPUT, JAXB_FRAGMENT, JAXB_NO_NAMESPACE_SCHEMA_LOCATION, JAXB_SCHEMA_LOCATION

Constructor Summary

Constructors

Constructor and Description
AbstractMarshallerImpl()

Method Summary

Modifier and Type	Method and Description
<A extends XmlAdapter> A	getAdapter(Class<A> type) Gets the adapter associated with the specified type.
AttachmentMarshaller	getAttachmentMarshaller()
protected String	getEncoding() Convenience method for getting the current output encoding.
ValidationEventHandler	getEventHandler() Return the current event handler or the default event handler if one hasn't been set.
protected String	getJavaEncoding(String encoding) Gets the corresponding Java encoding name from an IANA name.
Marshaller.Listener	getListener() Return Marshaller.Listener registered with this Marshaller.
Node	getNode(Object obj) By default, the getNode method is unsupported and throw an UnsupportedOperationException.
protected String	getNoNSSchemaLocation() Convenience method for getting the current noNamespaceSchemaLocation.
Object	getProperty(String name) Default implementation of the getProperty method handles the four defined properties in Marshaller.
Schema	getSchema() Get the JAXP 1.3 Schema object being used to perform marshal-time validation.
protected String	getSchemaLocation() Convenience method for getting the current schemaLocation.
protected boolean	isFormattedOutput() Convenience method for getting the formatted output flag.
protected boolean	isFragment() Convenience method for getting the fragment flag.
void	marshal(Object obj, ContentHandler handler) Marshal the content tree rooted at jaxbElement into SAX2 events.
void	marshal(Object jaxbElement, File output) Marshal the content tree rooted at jaxbElement into a file.
void	marshal(Object obj, Node node) Marshal the content tree rooted at jaxbElement into a DOM tree.
void	marshal(Object obj, OutputStream os) Marshal the content tree rooted at jaxbElement into an output stream.
void	marshal(Object obj, Writer w) Marshal the content tree rooted at jaxbElement into a Writer.
void	marshal(Object obj, XMLEventWriter writer) Marshal the content tree rooted at jaxbElement into a XMLEventWriter.
void	marshal(Object obj, XMLStreamWriter writer) Marshal the content tree rooted at jaxbElement into a XMLStreamWriter.
<A extends XmlAdapter> void	setAdapter(Class<A> type, A adapter) Associates a configured instance of XmlAdapter with this marshaller.
void	setAdapter(XmlAdapter adapter) Associates a configured instance of XmlAdapter with this marshaller.
void	setAttachmentMarshaller(AttachmentMarshaller am) Associate a context that enables binary data within an XML document to be transmitted as XML-binary optimized attachment.
protected void	setEncoding(String encoding) Convenience method for setting the output encoding.
void	setEventHandler(ValidationEventHandler handler) Allow an application to register a validation event handler.
protected void	setFormattedOutput(boolean v) Convenience method for setting the formatted output flag.
protected void	setFragment(boolean v) Convenience method for setting the fragment flag.
void	setListener(Marshaller.Listener listener) Register marshal event callback Marshaller.Listener with this Marshaller.
protected void	setNoNSSchemaLocation(String location) Convenience method for setting the noNamespaceSchemaLocation.
void	setProperty(String name, Object value) Default implementation of the setProperty method handles the four defined properties in Marshaller.
void	setSchema(Schema schema) Specify the JAXP 1.3 Schema object that should be used to validate subsequent marshal operations against.
protected void	setSchemaLocation(String location) Convenience method for setting the schemaLocation.

Methods inherited from class java.lang.Object

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

Methods inherited from interface jakarta.xml.bind.Marshaller

marshal

Constructor Detail

AbstractMarshallerImpl

public AbstractMarshallerImpl()

Method Detail

marshal

public final void marshal(Object obj,
                          OutputStream os)
                   throws JAXBException

Description copied from interface: Marshaller

Marshal the content tree rooted at jaxbElement into an output stream.

Specified by:

marshal in interface Marshaller

Parameters:

obj - The root of content tree to be marshalled.

os - XML will be added to this stream.

Throws:

JAXBException - If any unexpected problem occurs during the marshalling.

MarshalException - If the ValidationEventHandler returns false from its handleEvent method or the Marshaller is unable to marshal jaxbElement (or any object reachable from jaxbElement). See Marshalling a Jakarta XML Binding element.

marshal

public void marshal(Object jaxbElement,
                    File output)
             throws JAXBException

Description copied from interface: Marshaller

Marshal the content tree rooted at jaxbElement into a file.

Specified by:

marshal in interface Marshaller

Parameters:

jaxbElement - The root of content tree to be marshalled.

output - File to be written. If this file already exists, it will be overwritten.

Throws:

JAXBException - If any unexpected problem occurs during the marshalling.

MarshalException - If the ValidationEventHandler returns false from its handleEvent method or the Marshaller is unable to marshal jaxbElement (or any object reachable from jaxbElement). See Marshalling a Jakarta XML Binding element.

marshal

public final void marshal(Object obj,
                          Writer w)
                   throws JAXBException

Description copied from interface: Marshaller

Marshal the content tree rooted at jaxbElement into a Writer.

Specified by:

marshal in interface Marshaller

Parameters:

obj - The root of content tree to be marshalled.

w - XML will be sent to this writer.

Throws:

JAXBException - If any unexpected problem occurs during the marshalling.

MarshalException - If the ValidationEventHandler returns false from its handleEvent method or the Marshaller is unable to marshal jaxbElement (or any object reachable from jaxbElement). See Marshalling a Jakarta XML Binding element.

marshal

public final void marshal(Object obj,
                          ContentHandler handler)
                   throws JAXBException

Description copied from interface: Marshaller

Marshal the content tree rooted at jaxbElement into SAX2 events.

Specified by:

marshal in interface Marshaller

Parameters:

obj - The root of content tree to be marshalled.

handler - XML will be sent to this handler as SAX2 events.

Throws:

JAXBException - If any unexpected problem occurs during the marshalling.

MarshalException - If the ValidationEventHandler returns false from its handleEvent method or the Marshaller is unable to marshal jaxbElement (or any object reachable from jaxbElement). See Marshalling a Jakarta XML Binding element.

marshal

public final void marshal(Object obj,
                          Node node)
                   throws JAXBException

Description copied from interface: Marshaller

Marshal the content tree rooted at jaxbElement into a DOM tree.

Specified by:

marshal in interface Marshaller

Parameters:

obj - The content tree to be marshalled.

node - DOM nodes will be added as children of this node. This parameter must be a Node that accepts children (Document, DocumentFragment, or Element)

Throws:

JAXBException - If any unexpected problem occurs during the marshalling.

MarshalException - If the ValidationEventHandler returns false from its handleEvent method or the Marshaller is unable to marshal jaxbElement (or any object reachable from jaxbElement). See Marshalling a Jakarta XML Binding element.

getNode

public Node getNode(Object obj)
             throws JAXBException

By default, the getNode method is unsupported and throw an UnsupportedOperationException. Implementations that choose to support this method must override this method.

Specified by:

getNode in interface Marshaller

Parameters:

obj - - Jakarta XML Binding Java representation of XML content

Returns:

the DOM tree view of the contentTree

Throws:

JAXBException - If any unexpected problem occurs

getEncoding

protected String getEncoding()

Convenience method for getting the current output encoding.

Returns:

the current encoding or "UTF-8" if it hasn't been set.

setEncoding

protected void setEncoding(String encoding)

Convenience method for setting the output encoding.

Parameters:

encoding - a valid encoding as specified in the Marshaller class documentation

getSchemaLocation

protected String getSchemaLocation()

Convenience method for getting the current schemaLocation.

Returns:

the current schemaLocation or null if it hasn't been set

setSchemaLocation

protected void setSchemaLocation(String location)

Convenience method for setting the schemaLocation.

Parameters:

location - the schemaLocation value

getNoNSSchemaLocation

protected String getNoNSSchemaLocation()

Convenience method for getting the current noNamespaceSchemaLocation.

Returns:

the current noNamespaceSchemaLocation or null if it hasn't been set

setNoNSSchemaLocation

protected void setNoNSSchemaLocation(String location)

Convenience method for setting the noNamespaceSchemaLocation.

Parameters:

location - the noNamespaceSchemaLocation value

isFormattedOutput

protected boolean isFormattedOutput()

Convenience method for getting the formatted output flag.

Returns:

the current value of the formatted output flag or false if it hasn't been set.

setFormattedOutput

protected void setFormattedOutput(boolean v)

Convenience method for setting the formatted output flag.

Parameters:

v - value of the formatted output flag.

isFragment

protected boolean isFragment()

Convenience method for getting the fragment flag.

Returns:

the current value of the fragment flag or false if it hasn't been set.

setFragment

protected void setFragment(boolean v)

Convenience method for setting the fragment flag.

Parameters:

v - value of the fragment flag.

getJavaEncoding

protected String getJavaEncoding(String encoding)
                          throws UnsupportedEncodingException

Gets the corresponding Java encoding name from an IANA name. This method is a helper method for the derived class to convert encoding names.

Throws:

UnsupportedEncodingException - If this implementation couldn't find the Java encoding name.

setProperty

public void setProperty(String name,
                        Object value)
                 throws PropertyException

Default implementation of the setProperty method handles the four defined properties in Marshaller. If a provider needs to handle additional properties, it should override this method in a derived class.

Specified by:

setProperty in interface Marshaller

Parameters:

name - the name of the property to be set. This value can either be specified using one of the constant fields or a user supplied string.

value - the value of the property to be set

Throws:

PropertyException - when there is an error processing the given property or value

getProperty

public Object getProperty(String name)
                   throws PropertyException

Default implementation of the getProperty method handles the four defined properties in Marshaller. If a provider needs to support additional provider specific properties, it should override this method in a derived class.

Specified by:

getProperty in interface Marshaller

Parameters:

name - the name of the property to retrieve

Returns:

the value of the requested property

Throws:

PropertyException - when there is an error retrieving the given property or value property name

getEventHandler

public ValidationEventHandler getEventHandler()
                                       throws JAXBException

Description copied from interface: Marshaller

Return the current event handler or the default event handler if one hasn't been set.

Specified by:

getEventHandler in interface Marshaller

Returns:

the current ValidationEventHandler or the default event handler if it hasn't been set

Throws:

JAXBException - if an error was encountered while getting the current event handler

See Also:

Marshaller.getEventHandler()

setEventHandler

public void setEventHandler(ValidationEventHandler handler)
                     throws JAXBException

Description copied from interface: Marshaller

Allow an application to register a validation event handler.

The validation event handler will be called by the Jakarta XML Binding Provider if any validation errors are encountered during calls to any of the marshal API's. If the client application does not register a validation event handler before invoking one of the marshal methods, then validation events will be handled by the default event handler which will terminate the marshal operation after the first error or fatal error is encountered.

Calling this method with a null parameter will cause the Marshaller to revert back to the default default event handler.

Specified by:

setEventHandler in interface Marshaller

Parameters:

handler - the validation event handler

Throws:

JAXBException - if an error was encountered while setting the event handler

See Also:

Marshaller.setEventHandler(ValidationEventHandler)

marshal

public void marshal(Object obj,
                    XMLEventWriter writer)
             throws JAXBException

Description copied from interface: Marshaller

Marshal the content tree rooted at jaxbElement into a XMLEventWriter.

Specified by:

marshal in interface Marshaller

Parameters:

obj - The content tree rooted at jaxbElement to be marshalled.

writer - XML will be sent to this writer.

Throws:

JAXBException - If any unexpected problem occurs during the marshalling.

MarshalException - If the ValidationEventHandler returns false from its handleEvent method or the Marshaller is unable to marshal jaxbElement (or any object reachable from jaxbElement). See Marshalling a Jakarta XML Binding element.

marshal

public void marshal(Object obj,
                    XMLStreamWriter writer)
             throws JAXBException

Description copied from interface: Marshaller

Marshal the content tree rooted at jaxbElement into a XMLStreamWriter.

Specified by:

marshal in interface Marshaller

Parameters:

obj - The content tree to be marshalled.

writer - XML will be sent to this writer.

Throws:

JAXBException - If any unexpected problem occurs during the marshalling.

MarshalException - If the ValidationEventHandler returns false from its handleEvent method or the Marshaller is unable to marshal jaxbElement (or any object reachable from jaxbElement). See Marshalling a Jakarta XML Binding element.

setSchema

public void setSchema(Schema schema)

Description copied from interface: Marshaller

Specify the JAXP 1.3 Schema object that should be used to validate subsequent marshal operations against. Passing null into this method will disable validation.

This method allows the caller to validate the marshalled XML as it's marshalled.

Initially this property is set to null.

Specified by:

setSchema in interface Marshaller

Parameters:

schema - Schema object to validate marshal operations against or null to disable validation

getSchema

public Schema getSchema()

Description copied from interface: Marshaller

Get the JAXP 1.3 Schema object being used to perform marshal-time validation. If there is no Schema set on the marshaller, then this method will return null indicating that marshal-time validation will not be performed.

Specified by:

getSchema in interface Marshaller

Returns:

the Schema object being used to perform marshal-time validation or null if not present.

setAdapter

public void setAdapter(XmlAdapter adapter)

Description copied from interface: Marshaller

Associates a configured instance of XmlAdapter with this marshaller.

This is a convenience method that invokes setAdapter(adapter.getClass(),adapter);.

Specified by:

setAdapter in interface Marshaller

See Also:

Marshaller.setAdapter(Class,XmlAdapter)

setAdapter

public <A extends XmlAdapter> void setAdapter(Class<A> type,
                                              A adapter)

Description copied from interface: Marshaller

Associates a configured instance of XmlAdapter with this marshaller.

Every marshaller internally maintains a Map<Class,XmlAdapter>, which it uses for marshalling classes whose fields/methods are annotated with XmlJavaTypeAdapter.

This method allows applications to use a configured instance of XmlAdapter. When an instance of an adapter is not given, a marshaller will create one by invoking its default constructor.

Specified by:

setAdapter in interface Marshaller

Parameters:

type - The type of the adapter. The specified instance will be used when XmlJavaTypeAdapter.value() refers to this type.

adapter - The instance of the adapter to be used. If null, it will un-register the current adapter set for this type.

getAdapter

public <A extends XmlAdapter> A getAdapter(Class<A> type)

Description copied from interface: Marshaller

Gets the adapter associated with the specified type. This is the reverse operation of the Marshaller.setAdapter(jakarta.xml.bind.annotation.adapters.XmlAdapter) method.

Specified by:

getAdapter in interface Marshaller

setAttachmentMarshaller

public void setAttachmentMarshaller(AttachmentMarshaller am)

Description copied from interface: Marshaller

Associate a context that enables binary data within an XML document to be transmitted as XML-binary optimized attachment. The attachment is referenced from the XML document content model by content-id URIs(cid) references stored within the xml document.

Specified by:

setAttachmentMarshaller in interface Marshaller

getAttachmentMarshaller

public AttachmentMarshaller getAttachmentMarshaller()

Specified by:

getAttachmentMarshaller in interface Marshaller

setListener

public void setListener(Marshaller.Listener listener)

Description copied from interface: Marshaller

Register marshal event callback Marshaller.Listener with this Marshaller.

There is only one Listener per Marshaller. Setting a Listener replaces the previous set Listener. One can unregister current Listener by setting listener to null.

Specified by:

setListener in interface Marshaller

Parameters:

listener - an instance of a class that implements Marshaller.Listener

getListener

public Marshaller.Listener getListener()

Description copied from interface: Marshaller

Return Marshaller.Listener registered with this Marshaller.

Specified by:

getListener in interface Marshaller

Returns:

registered Marshaller.Listener or null if no Listener is registered with this Marshaller.