/*
* Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
*
* This software is open source.
* See the bottom of this file for the licence.
*/
package org.dom4j.tree;
import java.io.
IOException;
import java.io.
Writer;
import org.dom4j.
Attribute;
import org.dom4j.
Element;
import org.dom4j.
Namespace;
import org.dom4j.
Node;
import org.dom4j.
Visitor;
/**
* <p>
* <code>AbstractNamespace</code> is an abstract base class for tree
* implementors to use for implementation inheritence.
* </p>
*
* @author <a href="mailto:jstrachan@apache.org">James Strachan </a>
* @version $Revision: 1.21 $
*/
public abstract class
AbstractAttribute extends
AbstractNode implements
Attribute {
public short
getNodeType() {
return
ATTRIBUTE_NODE;
}
public void
setNamespace(
Namespace namespace) {
String msg = "This Attribute is read only and cannot be changed";
throw new
UnsupportedOperationException(
msg);
}
public
String getText() {
return
getValue();
}
public void
setText(
String text) {
setValue(
text);
}
public void
setValue(
String value) {
String msg = "This Attribute is read only and cannot be changed";
throw new
UnsupportedOperationException(
msg);
}
public
Object getData() {
return
getValue();
}
public void
setData(
Object data) {
setValue((
data == null) ? null :
data.
toString());
}
public
String toString() {
return super.toString() + " [Attribute: name " +
getQualifiedName()
+ " value \"" +
getValue() + "\"]";
}
public
String asXML() {
return
getQualifiedName() + "=\"" +
getValue() + "\"";
}
public void
write(
Writer writer) throws
IOException {
writer.
write(
getQualifiedName());
writer.
write("=\"");
writer.
write(
getValue());
writer.
write("\"");
}
public void
accept(
Visitor visitor) {
visitor.
visit(this);
}
// QName methods
public
Namespace getNamespace() {
return
getQName().
getNamespace();
}
public
String getName() {
return
getQName().
getName();
}
public
String getNamespacePrefix() {
return
getQName().
getNamespacePrefix();
}
public
String getNamespaceURI() {
return
getQName().
getNamespaceURI();
}
public
String getQualifiedName() {
return
getQName().
getQualifiedName();
}
public
String getPath(
Element context) {
StringBuffer result = new
StringBuffer();
Element parent =
getParent();
if ((
parent != null) && (
parent !=
context)) {
result.
append(
parent.
getPath(
context));
result.
append("/");
}
result.
append("@");
String uri =
getNamespaceURI();
String prefix =
getNamespacePrefix();
if ((
uri == null) || (
uri.
length() == 0) || (
prefix == null)
|| (
prefix.
length() == 0)) {
result.
append(
getName());
} else {
result.
append(
getQualifiedName());
}
return
result.
toString();
}
public
String getUniquePath(
Element context) {
StringBuffer result = new
StringBuffer();
Element parent =
getParent();
if ((
parent != null) && (
parent !=
context)) {
result.
append(
parent.
getUniquePath(
context));
result.
append("/");
}
result.
append("@");
String uri =
getNamespaceURI();
String prefix =
getNamespacePrefix();
if ((
uri == null) || (
uri.
length() == 0) || (
prefix == null)
|| (
prefix.
length() == 0)) {
result.
append(
getName());
} else {
result.
append(
getQualifiedName());
}
return
result.
toString();
}
protected
Node createXPathResult(
Element parent) {
return new
DefaultAttribute(
parent,
getQName(),
getValue());
}
}
/*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and
* notices. Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name "DOM4J" must not be used to endorse or promote products derived
* from this Software without prior written permission of MetaStuff, Ltd. For
* written permission, please contact dom4j-info@metastuff.com.
*
* 4. Products derived from this Software may not be called "DOM4J" nor may
* "DOM4J" appear in their names without prior written permission of MetaStuff,
* Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
*
* 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
*
* THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
*/