/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package javax.xml.bind.helpers;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.PropertyException;
import javax.xml.bind.ValidationEventHandler;
import javax.xml.bind.annotation.adapters.XmlAdapter;
import javax.xml.bind.attachment.AttachmentMarshaller;
import javax.xml.stream.XMLEventWriter;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.stream.StreamResult;
import javax.xml.validation.Schema;
import java.io.UnsupportedEncodingException;
import java.io.File;
import java.io.OutputStream;
import java.io.FileOutputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;
// J2SE1.4 feature
// import java.nio.charset.Charset;
// import java.nio.charset.UnsupportedCharsetException;
/**
* Partial default <tt>Marshaller</tt> implementation.
*
* <p>
* This class provides a partial default implementation for the
* {@link javax.xml.bind.Marshaller} interface.
*
* <p>
* The only methods that a JAXB Provider has to implement are
* {@link Marshaller#marshal(Object, javax.xml.transform.Result) marshal(Object, javax.xml.transform.Result)},
* {@link Marshaller#marshal(Object, javax.xml.transform.Result) marshal(Object, javax.xml.stream.XMLStreamWriter)}, and
* {@link Marshaller#marshal(Object, javax.xml.transform.Result) marshal(Object, javax.xml.stream.XMLEventWriter)}.
*
* @author <ul><li>Kohsuke Kawaguchi, Sun Microsystems, Inc.</li></ul>
* @see javax.xml.bind.Marshaller
* @since JAXB1.0
*/
public abstract class AbstractMarshallerImpl implements Marshaller
{
/** handler that will be used to process errors and warnings during marshal */
private ValidationEventHandler eventHandler =
new DefaultValidationEventHandler();
//J2SE1.4 feature
//private Charset encoding = null;
/** store the value of the encoding property. */
private String encoding = "UTF-8";
/** store the value of the schemaLocation property. */
private String schemaLocation = null;
/** store the value of the noNamespaceSchemaLocation property. */
private String noNSSchemaLocation = null;
/** store the value of the formattedOutput property. */
private boolean formattedOutput = false;
/** store the value of the fragment property. */
private boolean fragment = false;
public final void marshal( Object obj, java.io.OutputStream os )
throws JAXBException {
checkNotNull( obj, "obj", os, "os" );
marshal( obj, new StreamResult(os) );
}
public void marshal(Object jaxbElement, File output) throws JAXBException {
checkNotNull(jaxbElement, "jaxbElement", output, "output" );
try {
OutputStream os = new BufferedOutputStream(new FileOutputStream(output));
try {
marshal( jaxbElement, new StreamResult(os) );
} finally {
os.close();
}
} catch (IOException e) {
throw new JAXBException(e);
}
}
public final void marshal( Object obj, java.io.Writer w )
throws JAXBException {
checkNotNull( obj, "obj", w, "writer" );
marshal( obj, new StreamResult(w) );
}
public final void marshal( Object obj, org.xml.sax.ContentHandler handler )
throws JAXBException {
checkNotNull( obj, "obj", handler, "handler" );
marshal( obj, new SAXResult(handler) );
}
public final void marshal( Object obj, org.w3c.dom.Node node )
throws JAXBException {
checkNotNull( obj, "obj", node, "node" );
marshal( obj, new DOMResult(node) );
}
/**
* By default, the getNode method is unsupported and throw
* an {@link java.lang.UnsupportedOperationException}.
*
* Implementations that choose to support this method must
* override this method.
*/
public org.w3c.dom.Node getNode( Object obj ) throws JAXBException {
checkNotNull( obj, "obj", Boolean.TRUE, "foo" );
throw new UnsupportedOperationException();
}
/**
* Convenience method for getting the current output encoding.
*
* @return the current encoding or "UTF-8" if it hasn't been set.
*/
protected String getEncoding() {
return encoding;
}
/**
* Convenience method for setting the output encoding.
*
* @param encoding a valid encoding as specified in the Marshaller class
* documentation
*/
protected void setEncoding( String encoding ) {
this.encoding = encoding;
}
/**
* Convenience method for getting the current schemaLocation.
*
* @return the current schemaLocation or null if it hasn't been set
*/
protected String getSchemaLocation() {
return schemaLocation;
}
/**
* Convenience method for setting the schemaLocation.
*
* @param location the schemaLocation value
*/
protected void setSchemaLocation( String location ) {
schemaLocation = location;
}
/**
* Convenience method for getting the current noNamespaceSchemaLocation.
*
* @return the current noNamespaceSchemaLocation or null if it hasn't
* been set
*/
protected String getNoNSSchemaLocation() {
return noNSSchemaLocation;
}
/**
* Convenience method for setting the noNamespaceSchemaLocation.
*
* @param location the noNamespaceSchemaLocation value
*/
protected void setNoNSSchemaLocation( String location ) {
noNSSchemaLocation = location;
}
/**
* Convenience method for getting the formatted output flag.
*
* @return the current value of the formatted output flag or false if
* it hasn't been set.
*/
protected boolean isFormattedOutput() {
return formattedOutput;
}
/**
* Convenience method for setting the formatted output flag.
*
* @param v value of the formatted output flag.
*/
protected void setFormattedOutput( boolean v ) {
formattedOutput = v;
}
/**
* Convenience method for getting the fragment flag.
*
* @return the current value of the fragment flag or false if
* it hasn't been set.
*/
protected boolean isFragment() {
return fragment;
}
/**
* Convenience method for setting the fragment flag.
*
* @param v value of the fragment flag.
*/
protected void setFragment( boolean v ) {
fragment = v;
}
static String[] aliases = {
"UTF-8", "UTF8",
"UTF-16", "Unicode",
"UTF-16BE", "UnicodeBigUnmarked",
"UTF-16LE", "UnicodeLittleUnmarked",
"US-ASCII", "ASCII",
"TIS-620", "TIS620",
// taken from the project-X parser
"ISO-10646-UCS-2", "Unicode",
"EBCDIC-CP-US", "cp037",
"EBCDIC-CP-CA", "cp037",
"EBCDIC-CP-NL", "cp037",
"EBCDIC-CP-WT", "cp037",
"EBCDIC-CP-DK", "cp277",
"EBCDIC-CP-NO", "cp277",
"EBCDIC-CP-FI", "cp278",
"EBCDIC-CP-SE", "cp278",
"EBCDIC-CP-IT", "cp280",
"EBCDIC-CP-ES", "cp284",
"EBCDIC-CP-GB", "cp285",
"EBCDIC-CP-FR", "cp297",
"EBCDIC-CP-AR1", "cp420",
"EBCDIC-CP-HE", "cp424",
"EBCDIC-CP-BE", "cp500",
"EBCDIC-CP-CH", "cp500",
"EBCDIC-CP-ROECE", "cp870",
"EBCDIC-CP-YU", "cp870",
"EBCDIC-CP-IS", "cp871",
"EBCDIC-CP-AR2", "cp918",
// IANA also defines two that JDK 1.2 doesn't handle:
// EBCDIC-CP-GR --> CP423
// EBCDIC-CP-TR --> CP905
};
/**
* Gets the corresponding Java encoding name from an IANA name.
*
* This method is a helper method for the derived class to convert
* encoding names.
*
* @exception UnsupportedEncodingException
* If this implementation couldn't find the Java encoding name.
*/
protected String getJavaEncoding( String encoding ) throws UnsupportedEncodingException {
try {
"1".getBytes(encoding);
return encoding;
} catch( UnsupportedEncodingException e ) {
// try known alias
for( int i=0; i<aliases.length; i+=2 ) {
if(encoding.equals(aliases[i])) {
"1".getBytes(aliases[i+1]);
return aliases[i+1];
}
}
throw new UnsupportedEncodingException(encoding);
}
/* J2SE1.4 feature
try {
this.encoding = Charset.forName( _encoding );
} catch( UnsupportedCharsetException uce ) {
throw new JAXBException( uce );
}
*/
}
/**
* 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.
*/
public void setProperty( String name, Object value )
throws PropertyException {
if( name == null ) {
throw new IllegalArgumentException(
Messages.format( Messages.MUST_NOT_BE_NULL, "name" ) );
}
// recognize and handle four pre-defined properties.
if( JAXB_ENCODING.equals(name) ) {
checkString( name, value );
setEncoding( (String)value );
return;
}
if( JAXB_FORMATTED_OUTPUT.equals(name) ) {
checkBoolean( name, value );
setFormattedOutput((Boolean) value );
return;
}
if( JAXB_NO_NAMESPACE_SCHEMA_LOCATION.equals(name) ) {
checkString( name, value );
setNoNSSchemaLocation( (String)value );
return;
}
if( JAXB_SCHEMA_LOCATION.equals(name) ) {
checkString( name, value );
setSchemaLocation( (String)value );
return;
}
if( JAXB_FRAGMENT.equals(name) ) {
checkBoolean(name, value);
setFragment((Boolean) value );
return;
}
throw new PropertyException(name, value);
}
/**
* 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.
*/
public Object getProperty( String name )
throws PropertyException {
if( name == null ) {
throw new IllegalArgumentException(
Messages.format( Messages.MUST_NOT_BE_NULL, "name" ) );
}
// recognize and handle four pre-defined properties.
if( JAXB_ENCODING.equals(name) )
return getEncoding();
if( JAXB_FORMATTED_OUTPUT.equals(name) )
return isFormattedOutput()?Boolean.TRUE:Boolean.FALSE;
if( JAXB_NO_NAMESPACE_SCHEMA_LOCATION.equals(name) )
return getNoNSSchemaLocation();
if( JAXB_SCHEMA_LOCATION.equals(name) )
return getSchemaLocation();
if( JAXB_FRAGMENT.equals(name) )
return isFragment()?Boolean.TRUE:Boolean.FALSE;
throw new PropertyException(name);
}
/**
* @see javax.xml.bind.Marshaller#getEventHandler()
*/
public ValidationEventHandler getEventHandler() throws JAXBException {
return eventHandler;
}
/**
* @see javax.xml.bind.Marshaller#setEventHandler(ValidationEventHandler)
*/
public void setEventHandler(ValidationEventHandler handler)
throws JAXBException {
if( handler == null ) {
eventHandler = new DefaultValidationEventHandler();
} else {
eventHandler = handler;
}
}
/*
* assert that the given object is a Boolean
*/
private void checkBoolean( String name, Object value ) throws PropertyException {
if(!(value instanceof Boolean))
throw new PropertyException(
Messages.format( Messages.MUST_BE_BOOLEAN, name ) );
}
/*
* assert that the given object is a String
*/
private void checkString( String name, Object value ) throws PropertyException {
if(!(value instanceof String))
throw new PropertyException(
Messages.format( Messages.MUST_BE_STRING, name ) );
}
/*
* assert that the parameters are not null
*/
private void checkNotNull( Object o1, String o1Name,
Object o2, String o2Name ) {
if( o1 == null ) {
throw new IllegalArgumentException(
Messages.format( Messages.MUST_NOT_BE_NULL, o1Name ) );
}
if( o2 == null ) {
throw new IllegalArgumentException(
Messages.format( Messages.MUST_NOT_BE_NULL, o2Name ) );
}
}
public void marshal(Object obj, XMLEventWriter writer)
throws JAXBException {
throw new UnsupportedOperationException();
}
public void marshal(Object obj, XMLStreamWriter writer)
throws JAXBException {
throw new UnsupportedOperationException();
}
public void setSchema(Schema schema) {
throw new UnsupportedOperationException();
}
public Schema getSchema() {
throw new UnsupportedOperationException();
}
public void setAdapter(XmlAdapter adapter) {
if(adapter==null)
throw new IllegalArgumentException();
setAdapter((Class)adapter.getClass(),adapter);
}
public <A extends XmlAdapter> void setAdapter(Class<A> type, A adapter) {
throw new UnsupportedOperationException();
}
public <A extends XmlAdapter> A getAdapter(Class<A> type) {
throw new UnsupportedOperationException();
}
public void setAttachmentMarshaller(AttachmentMarshaller am) {
throw new UnsupportedOperationException();
}
public AttachmentMarshaller getAttachmentMarshaller() {
throw new UnsupportedOperationException();
}
public void setListener(Listener listener) {
throw new UnsupportedOperationException();
}
public Listener getListener() {
throw new UnsupportedOperationException();
}
}
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