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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package javax.xml.soap;
/**
* A representation of a node (element) in a DOM representation of an XML document that provides
* some tree manipulation methods. This interface provides methods for getting the value of a node,
* for getting and setting the parent of a node, and for removing a node.
*/
public interface Node extends org.w3c.dom.Node {
/**
* Returns the the value of the immediate child of this Node object if a child
* exists and its value is text.
*
* @return a String with the text of the immediate child of this Node
* object if (1) there is a child and (2) the child is a Text object;
* null otherwise
*/
public abstract String getValue();
/**
* Sets the parent of this Node object to the given SOAPElement
* object.
*
* @param parent the SOAPElement object to be set as the parent of this
* Node object
* @throws SOAPException if there is a problem in setting the parent to the given element
* @see #getParentElement() getParentElement()
*/
public abstract void setParentElement(SOAPElement parent)
throws SOAPException;
/**
* Returns the parent element of this Node object. This method can throw an
* UnsupportedOperationException if the tree is not kept in memory.
*
* @return the SOAPElement object that is the parent of this Node
* object or null if this Node object is root
* @throws UnsupportedOperationException
* if the whole tree is not kept in memory
* @see #setParentElement(SOAPElement) setParentElement(javax.xml.soap.SOAPElement)
*/
public abstract SOAPElement getParentElement();
/**
* Removes this Node object from the tree. Once removed, this node can be garbage
* collected if there are no application references to it.
*/
public abstract void detachNode();
/**
* Notifies the implementation that this Node object is no longer being used by the
* application and that the implementation is free to reuse this object for nodes that may be
* created later.
*
* Calling the method recycleNode implies that the method detachNode
* has been called previously.
*/
public abstract void recycleNode();
/**
* If this is a Text node then this method will set its value, otherwise it sets the value of
* the immediate (Text) child of this node. The value of the immediate child of this node can be
* set only if, there is one child node and that node is a Text node, or if there are no
* children in which case a child Text node will be created.
*
* @param value the text to set
* @throws IllegalStateException if the node is not a Text node and either has more than one
* child node or has a child node that is not a Text node
*/
public abstract void setValue(String value);
}