com.caucho.xml2.QAttributedNode Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of resin Show documentation
Show all versions of resin Show documentation
Resin Java Application Server
/*
* Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.xml2;
import org.w3c.dom.Attr;
import org.w3c.dom.DOMException;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import javax.xml.namespace.QName;
public abstract class QAttributedNode extends QNode {
QAttr _firstAttribute;
/**
* Returns a map of the attributes.
*/
public NamedNodeMap getAttributes()
{
return new QAttributeMap(this);
}
/**
* Returns true if the element has attributes.
*/
public boolean hasAttributes()
{
return _firstAttribute != null;
}
/**
* Returns the first attribute in the attribute list.
*/
public Attr getFirstAttribute()
{
return _firstAttribute;
}
/**
* Returns the named attribute.
*/
public String getAttribute(String name)
{
for (QAbstractNode attr = _firstAttribute;
attr != null;
attr = attr._next) {
if (name.equals(attr.getNodeName()))
return attr.getNodeValue();
}
return "";
}
/**
* Returns the attribute specified by a namespace.
*/
public String getAttributeNS(String namespaceURI, String local)
{
for (QAbstractNode attr = _firstAttribute;
attr != null;
attr = attr._next) {
String attrURI = attr.getNamespaceURI();
if (attr.getLocalName().equals(local) &&
(attrURI == namespaceURI ||
attrURI != null && attrURI.equals(namespaceURI)))
return attr.getNodeValue();
}
return "";
}
public boolean hasAttribute(String name)
{
for (QAbstractNode attr = _firstAttribute;
attr != null;
attr = attr._next) {
if (attr.getNodeName().equals(name))
return true;
}
return false;
}
public boolean hasAttributeNS(String uri, String local)
{
for (QAbstractNode attr = _firstAttribute;
attr != null;
attr = attr._next) {
String attrURI = attr.getNamespaceURI();
if (attr.getLocalName().equals(local) &&
(attrURI == uri || attrURI != null && attrURI.equals(uri)))
return true;
}
return false;
}
/**
* Returns the attribute specified by the name.
*/
public Attr getAttributeNode(String name)
{
for (QAbstractNode attr = _firstAttribute;
attr != null;
attr = attr._next) {
if (attr.getNodeName().equals(name))
return (Attr) attr;
}
return null;
}
public Attr getAttributeNodeNS(String uri, String local)
{
for (QAbstractNode attr = _firstAttribute;
attr != null;
attr = attr._next) {
String attrURI = attr.getNamespaceURI();
if (attr.getLocalName().equals(local) &&
(attrURI == uri ||
attrURI != null && attrURI.equals(uri)))
return (Attr) attr;
}
return null;
}
public void setAttribute(String name, String value)
throws DOMException
{
if (! isNameValid(name))
throw new QDOMException(DOMException.INVALID_CHARACTER_ERR,
"illegal attribute `" + name + "'");
setAttributeNode(_owner.createAttribute(name, value));
}
public void setAttributeNS(String uri, String local, String value)
{
Attr attr = _owner.createAttributeNS(uri, local);
attr.setNodeValue(value);
setAttributeNodeNS(attr);
}
void setAttribute(QName name, String value)
throws DOMException
{
setAttributeNode(_owner.createAttribute(name, value));
}
/**
* Sets an attribute, specified by the object.
*/
public void setIdAttribute(String name, boolean isId)
throws DOMException
{
}
/**
* Sets an attribute, specified by the object.
*/
public void setIdAttributeNS(String namespaceURI, String localName,
boolean isId)
throws DOMException
{
}
/**
* Sets an attribute, specified by the object.
*/
public void setIdAttributeNode(Attr attr, boolean isId)
throws DOMException
{
}
/**
* Sets an attribute, specified by the object.
*/
public Attr setAttributeNode(Attr attr)
throws DOMException
{
QAttr qAttr = (QAttr) attr;
if (qAttr._owner == null)
qAttr._owner = _owner;
else if (qAttr._owner != _owner)
throw new QDOMException(DOMException.WRONG_DOCUMENT_ERR,
"attribute from wrong document");
if (qAttr._parent != null)
throw new QDOMException(DOMException.INUSE_ATTRIBUTE_ERR,
"attribute `" + attr.getNodeName() +
"' is in use");
qAttr._parent = this;
// remove any matching old attribute
QAttr old = unlink(attr.getNodeName());
QAttr ptr = _firstAttribute;
if (ptr == null) {
_firstAttribute = qAttr;
}
else {
for (; ptr._next != null; ptr = (QAttr) ptr._next) {
}
ptr._next = qAttr;
}
return old;
}
public Attr setAttributeNodeNS(Attr attr)
throws DOMException
{
QAttr qAttr = (QAttr) attr;
if (qAttr._owner != _owner)
throw new QDOMException(DOMException.WRONG_DOCUMENT_ERR,
"attribute from wrong document");
if (qAttr._parent != null)
throw new QDOMException(DOMException.INUSE_ATTRIBUTE_ERR,
"attribute `" + attr.getNodeName() +
"' is in use");
// remove any matching old attribute
QAttr old = unlink(qAttr.getNamespaceURI(), qAttr.getLocalName());
qAttr._parent = this;
qAttr._next = _firstAttribute;
_firstAttribute = qAttr;
return old;
}
/**
* Removes the named attribute.
*/
public void removeAttribute(String name)
{
if (! isNameValid(name))
throw new QDOMException(DOMException.INVALID_CHARACTER_ERR,
"illegal attribute `" + name + "'");
unlink(name);
}
/**
* Removes the attribute specified by the localname and namespace.
*/
public void removeAttributeNS(String uri, String name)
{
unlink(uri, name);
}
/**
* Removes the matching attribute.
*/
public Attr removeAttributeNode(Attr attr)
{
return unlink(attr.getNodeName());
}
/**
* Removes the matching attribute.
*/
public Attr removeAttributeNodeNS(Attr attr)
{
return unlink(attr.getNamespaceURI(), attr.getLocalName());
}
/**
* Unlinks an attribute, returning it.
*/
QAttr unlink(String name)
{
QAttr prev = null;
QAttr ptr;
for (ptr = _firstAttribute;
ptr != null && ! ptr.getNodeName().equals(name);
ptr = (QAttr) ptr._next) {
prev = ptr;
}
if (ptr == null)
return null;
if (prev == null)
_firstAttribute = (QAttr) ptr._next;
else
prev._next = ptr._next;
ptr._next = null;
return ptr;
}
/**
* Removes the attribute named by the URI and local name.
*/
public QAttr unlink(String uri, String local)
{
if (local == null || uri == null)
return null;
QAttr prev = null;
QAttr ptr;
for (ptr = (QAttr) _firstAttribute;
ptr != null && (! local.equals(ptr.getLocalName()) ||
! uri.equals(ptr.getNamespaceURI()));
ptr = (QAttr) ptr._next) {
prev = ptr;
}
if (ptr == null)
return null;
if (prev == null)
_firstAttribute = (QAttr) ptr._next;
else
prev._next = ptr._next;
ptr._next = null;
return ptr;
}
static class QAttributeMap implements NamedNodeMap {
QAttributedNode _elt;
int _i;
QAttr _attr;
QAttributeMap(QAttributedNode elt)
{
_elt = elt;
}
public Node getNamedItem(String name)
{
return _elt.getAttributeNode(name);
}
public Node getNamedItemNS(String uri, String localName)
{
return _elt.getAttributeNodeNS(uri, localName);
}
public Node setNamedItem(Node arg) throws DOMException
{
return _elt.setAttributeNode((Attr) arg);
}
public Node setNamedItemNS(Node arg)
{
return _elt.setAttributeNodeNS((Attr) arg);
}
public Node removeNamedItem(String name) throws DOMException
{
return _elt.unlink(name);
}
public Node removeNamedItemNS(String uri, String localName)
{
return _elt.getAttributeNodeNS(uri, localName);
}
public Node item(int index)
{
QAbstractNode attr = _elt._firstAttribute;
while (index > 0 && attr != null) {
attr = attr._next;
index--;
}
return attr;
}
public int getLength()
{
int length = 0;
for (QAbstractNode attr = _elt._firstAttribute;
attr != null;
attr = attr._next)
length++;
return length;
}
}
}