javax.xml.transform.stax.StAXResult Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* https://jaxp.dev.java.net/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* https://jaxp.dev.java.net/CDDLv1.0.html
* If applicable add the following below this CDDL HEADER
* with the fields enclosed by brackets "[]" replaced with
* your own identifying information: Portions Copyright
* [year] [name of copyright owner]
*/
/*
* $Id: StAXResult.java,v 1.5 2006/06/28 15:00:35 ndw Exp $
* %W% %E%
*
* Copyright 2005 Sun Microsystems, Inc. All Rights Reserved.
*/
package javax.xml.transform.stax;
import javax.xml.stream.XMLEventWriter;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.Result;
/**
* Acts as a holder for an XML {@link Result} in the
* form of a StAX writer,i.e.
* {@link XMLStreamWriter} or {@link XMLEventWriter}.
* StAXResult
can be used in all cases that accept
* a Result
, e.g. {@link javax.xml.transform.Transformer},
* {@link javax.xml.validation.Validator} which accept
* Result
as input.
*
* @author Neeraj Bajaj
* @author Jeff Suttor
* @version $Revision: 1.5 $, $Date: 2006/06/28 15:00:35 $
*
* @see
* JSR 173: Streaming API for XML
* @see XMLStreamWriter
* @see XMLEventWriter
*
* @since 1.6
*/
public class StAXResult implements Result {
/** If {@link javax.xml.transform.TransformerFactory#getFeature(String name)}
* returns true when passed this value as an argument,
* the Transformer supports Result output of this type.
*/
public static final String FEATURE =
"http://javax.xml.transform.stax.StAXResult/feature";
/**
*
XMLEventWriter
to be used for
* Result
output.
*/
private XMLEventWriter xmlEventWriter = null;
/**
* XMLStreamWriter
to be used for
* Result
output.
*/
private XMLStreamWriter xmlStreamWriter = null;
/** System identifier for this StAXResult
.
*/
private String systemId = null;
/**
*
Creates a new instance of a StAXResult
* by supplying an {@link XMLEventWriter}.
*
* XMLEventWriter
must be a
* non-null
reference.
*
* @param xmlEventWriter XMLEventWriter
used to create
* this StAXResult
.
*
* @throws IllegalArgumentException If xmlEventWriter
==
* null
.
*/
public StAXResult(final XMLEventWriter xmlEventWriter) {
if (xmlEventWriter == null) {
throw new IllegalArgumentException(
"StAXResult(XMLEventWriter) with XMLEventWriter == null");
}
this.xmlEventWriter = xmlEventWriter;
}
/**
* Creates a new instance of a StAXResult
* by supplying an {@link XMLStreamWriter}.
*
* XMLStreamWriter
must be a
* non-null
reference.
*
* @param xmlStreamWriter XMLStreamWriter
used to create
* this StAXResult
.
*
* @throws IllegalArgumentException If xmlStreamWriter
==
* null
.
*/
public StAXResult(final XMLStreamWriter xmlStreamWriter) {
if (xmlStreamWriter == null) {
throw new IllegalArgumentException(
"StAXResult(XMLStreamWriter) with XMLStreamWriter == null");
}
this.xmlStreamWriter = xmlStreamWriter;
}
/**
* Get the XMLEventWriter
used by this
* StAXResult
.
*
* XMLEventWriter
will be null
* if this StAXResult
was created with a
* XMLStreamWriter
.
*
* @return XMLEventWriter
used by this
* StAXResult
.
*/
public XMLEventWriter getXMLEventWriter() {
return xmlEventWriter;
}
/**
* Get the XMLStreamWriter
used by this
* StAXResult
.
*
* XMLStreamWriter
will be null
* if this StAXResult
was created with a
* XMLEventWriter
.
*
* @return XMLStreamWriter
used by this
* StAXResult
.
*/
public XMLStreamWriter getXMLStreamWriter() {
return xmlStreamWriter;
}
/**
* In the context of a StAXResult
, it is not appropriate
* to explicitly set the system identifier.
* The XMLEventWriter
or XMLStreamWriter
* used to construct this StAXResult
determines the
* system identifier of the XML result.
*
* An {@link UnsupportedOperationException} is always
* thrown by this method.
*
* @param systemId Ignored.
*
* @throws UnsupportedOperationException Is always
* thrown by this method.
*/
public void setSystemId(final String systemId) {
throw new UnsupportedOperationException(
"StAXResult#setSystemId(systemId) cannot set the "
+ "system identifier for a StAXResult");
}
/**
* The returned system identifier is always null
.
*
* @return The returned system identifier is always null
.
*/
public String getSystemId() {
return null;
}
}