javax.xml.transform.dom.DOMResult 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: DOMResult.java,v 1.3 2005/11/03 19:34:24 jeffsuttor Exp $
* %W% %E%
*
* Copyright 2005 Sun Microsystems, Inc. All Rights Reserved.
*/
package javax.xml.transform.dom;
import javax.xml.transform.Result;
import org.w3c.dom.Node;
/**
* Acts as a holder for a transformation result tree in the form of a Document Object Model (DOM) tree.
*
* If no output DOM source is set, the transformation will create a Document node as the holder for the result of the transformation,
* which may be retrieved with {@link #getNode()}.
*
* @author Jeff Suttor
* @version $Revision: 1.3 $, $Date: 2005/11/03 19:34:24 $
*/
public class DOMResult implements Result {
/** If {@link javax.xml.transform.TransformerFactory#getFeature}
* 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.dom.DOMResult/feature";
/**
* Zero-argument default constructor.
*
* node,
* siblingNode and
* systemId
* will be set to null.
*/
public DOMResult() {
setNode(null);
setNextSibling(null);
setSystemId(null);
}
/**
* Use a DOM node to create a new output target.
*
* In practice, the node should be
* a {@link org.w3c.dom.Document} node,
* a {@link org.w3c.dom.DocumentFragment} node, or
* a {@link org.w3c.dom.Element} node.
* In other words, a node that accepts children.
*
* siblingNode and
* systemId
* will be set to null.
*
* @param node The DOM node that will contain the result tree.
*/
public DOMResult(Node node) {
setNode(node);
setNextSibling(null);
setSystemId(null);
}
/**
* Use a DOM node to create a new output target with the specified System ID.
*
*
In practice, the node should be
* a {@link org.w3c.dom.Document} node,
* a {@link org.w3c.dom.DocumentFragment} node, or
* a {@link org.w3c.dom.Element} node.
* In other words, a node that accepts children.
*
* siblingNode will be set to null.
*
* @param node The DOM node that will contain the result tree.
* @param systemId The system identifier which may be used in association with this node.
*/
public DOMResult(Node node, String systemId) {
setNode(node);
setNextSibling(null);
setSystemId(systemId);
}
/**
* Use a DOM node to create a new output target specifying the child node where the result nodes should be inserted before.
*
* In practice, node and nextSibling should be
* a {@link org.w3c.dom.Document} node,
* a {@link org.w3c.dom.DocumentFragment} node, or
* a {@link org.w3c.dom.Element} node.
* In other words, a node that accepts children.
*
* Use nextSibling to specify the child node
* where the result nodes should be inserted before.
* If nextSibling is not a sibling of node,
* then an IllegalArgumentException is thrown.
* If node is null and nextSibling is not null,
* then an IllegalArgumentException is thrown.
* If nextSibling is null,
* then the behavior is the same as calling {@link #DOMResult(Node node)},
* i.e. append the result nodes as the last child of the specified node.
*
* systemId will be set to null.
*
* @param node The DOM node that will contain the result tree.
* @param nextSibling The child node where the result nodes should be inserted before.
*
* @throws IllegalArgumentException If nextSibling is not a sibling of node or
* node is null and nextSibling
* is not null.
*
* @since 1.5
*/
public DOMResult(Node node, Node nextSibling) {
// does the corrent parent/child relationship exist?
if (nextSibling != null) {
// cannot be a sibling of a null node
if (node == null) {
throw new IllegalArgumentException("Cannot create a DOMResult when the nextSibling is contained by the \"null\" node.");
}
// nextSibling contained by node?
if ((node.compareDocumentPosition(nextSibling)&Node.DOCUMENT_POSITION_CONTAINED_BY)==0) {
throw new IllegalArgumentException("Cannot create a DOMResult when the nextSibling is not contained by the node.");
}
}
setNode(node);
setNextSibling(nextSibling);
setSystemId(null);
}
/**
* Use a DOM node to create a new output target specifying the child node where the result nodes should be inserted before and
* the specified System ID.
*
* In practice, node and nextSibling should be
* a {@link org.w3c.dom.Document} node,
* a {@link org.w3c.dom.DocumentFragment} node, or a
* {@link org.w3c.dom.Element} node.
* In other words, a node that accepts children.
*
* Use nextSibling to specify the child node
* where the result nodes should be inserted before.
* If nextSibling is not a sibling of node,
* then an IllegalArgumentException is thrown.
* If node is null and nextSibling is not null,
* then an IllegalArgumentException is thrown.
* If nextSibling is null,
* then the behavior is the same as calling {@link #DOMResult(Node node, String systemId)},
* i.e. append the result nodes as the last child of the specified node and use the specified System ID.
*
* @param node The DOM node that will contain the result tree.
* @param nextSibling The child node where the result nodes should be inserted before.
* @param systemId The system identifier which may be used in association with this node.
*
* @throws IllegalArgumentException If nextSibling is not a
* sibling of node or
* node is null and nextSibling
* is not null.
*
* @since 1.5
*/
public DOMResult(Node node, Node nextSibling, String systemId) {
// does the corrent parent/child relationship exist?
if (nextSibling != null) {
// cannot be a sibling of a null node
if (node == null) {
throw new IllegalArgumentException("Cannot create a DOMResult when the nextSibling is contained by the \"null\" node.");
}
// nextSibling contained by node?
if ((node.compareDocumentPosition(nextSibling)&Node.DOCUMENT_POSITION_CONTAINED_BY)==0) {
throw new IllegalArgumentException("Cannot create a DOMResult when the nextSibling is not contained by the node.");
}
}
setNode(node);
setNextSibling(nextSibling);
setSystemId(systemId);
}
/**
* Set the node that will contain the result DOM tree.
*
*
In practice, the node should be
* a {@link org.w3c.dom.Document} node,
* a {@link org.w3c.dom.DocumentFragment} node, or
* a {@link org.w3c.dom.Element} node.
* In other words, a node that accepts children.
*
* An IllegalStateException is thrown if
* nextSibling is not null and
* node is not a parent of nextSibling.
* An IllegalStateException is thrown if node is null and
* nextSibling is not null.
*
* @param node The node to which the transformation will be appended.
*
* @throws IllegalStateException If nextSibling is not
* null and
* nextSibling is not a child of node or
* node is null and
* nextSibling is not null.
*/
public void setNode(Node node) {
// does the corrent parent/child relationship exist?
if (nextSibling != null) {
// cannot be a sibling of a null node
if (node == null) {
throw new IllegalStateException("Cannot create a DOMResult when the nextSibling is contained by the \"null\" node.");
}
// nextSibling contained by node?
if ((node.compareDocumentPosition(nextSibling)&Node.DOCUMENT_POSITION_CONTAINED_BY)==0) {
throw new IllegalArgumentException("Cannot create a DOMResult when the nextSibling is not contained by the node.");
}
}
this.node = node;
}
/**
* Get the node that will contain the result DOM tree.
*
* If no node was set via
* {@link #DOMResult(Node node)},
* {@link #DOMResult(Node node, String systeId)},
* {@link #DOMResult(Node node, Node nextSibling)},
* {@link #DOMResult(Node node, Node nextSibling, String systemId)} or
* {@link #setNode(Node node)},
* then the node will be set by the transformation, and may be obtained from this method once the transformation is complete.
* Calling this method before the transformation will return null.
*
* @return The node to which the transformation will be appended.
*/
public Node getNode() {
return node;
}
/**
* Set the child node before which the result nodes will be inserted.
*
* Use nextSibling to specify the child node
* before which the result nodes should be inserted.
* If nextSibling is not a descendant of node,
* then an IllegalArgumentException is thrown.
* If node is null and nextSibling is not null,
* then an IllegalStateException is thrown.
* If nextSibling is null,
* then the behavior is the same as calling {@link #DOMResult(Node node)},
* i.e. append the result nodes as the last child of the specified node.
*
* @param nextSibling The child node before which the result nodes will be inserted.
*
* @throws IllegalArgumentException If nextSibling is not a
* descendant of node.
* @throws IllegalStateException If node is null
* and nextSibling is not null.
*
* @since 1.5
*/
public void setNextSibling(Node nextSibling) {
// does the corrent parent/child relationship exist?
if (nextSibling != null) {
// cannot be a sibling of a null node
if (node == null) {
throw new IllegalStateException("Cannot create a DOMResult when the nextSibling is contained by the \"null\" node.");
}
// nextSibling contained by node?
if ((node.compareDocumentPosition(nextSibling)&Node.DOCUMENT_POSITION_CONTAINED_BY)==0) {
throw new IllegalArgumentException("Cannot create a DOMResult when the nextSibling is not contained by the node.");
}
}
this.nextSibling = nextSibling;
}
/**
* Get the child node before which the result nodes will be inserted.
*
* If no node was set via
* {@link #DOMResult(Node node, Node nextSibling)},
* {@link #DOMResult(Node node, Node nextSibling, String systemId)} or
* {@link #setNextSibling(Node nextSibling)},
* then null will be returned.
*
* @return The child node before which the result nodes will be inserted.
*
* @since 1.5
*/
public Node getNextSibling() {
return nextSibling;
}
/**
* Set the systemId that may be used in association with the node.
*
* @param systemId The system identifier as a URI string.
*/
public void setSystemId(String systemId) {
this.systemId = systemId;
}
/**
* Get the System Identifier.
*
* If no System ID was set via
* {@link #DOMResult(Node node, String systemId)},
* {@link #DOMResult(Node node, Node nextSibling, String systemId)} or
* {@link #setSystemId(String systemId)},
* then null will be returned.
*
* @return The system identifier.
*/
public String getSystemId() {
return systemId;
}
//////////////////////////////////////////////////////////////////////
// Internal state.
//////////////////////////////////////////////////////////////////////
/**
* The node to which the transformation will be appended.
*/
private Node node = null;
/**
* The child node before which the result nodes will be inserted.
*
* @since 1.5
*/
private Node nextSibling = null;
/**
* The System ID that may be used in association with the node.
*/
private String systemId = null;
}