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* Copyright 2001-2004 The Apache Software Foundation.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package javax.xml.soap;
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* A representation of a node (element) in a DOM representation of an XML document
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* that provides some tree manipulation methods.
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* This interface provides methods for getting the value of a node, for
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* getting and setting the parent of a node, and for removing a node.
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public interface Node extends org.w3c.dom.Node {
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* Returns the the value of the immediate child of this <code>Node</code>
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* object if a child exists and its value is text.
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* @return a <code>String</code> with the text of the immediate child of
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* this <code>Node</code> object if (1) there is a child and
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* (2) the child is a <code>Text</code> object;
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* <code>null</code> otherwise
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public abstract String getValue();
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* Sets the parent of this <code>Node</code> object to the given
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* <code>SOAPElement</code> object.
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* @param parent the <code>SOAPElement</code> object to be set as
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* the parent of this <code>Node</code> object
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* @throws SOAPException if there is a problem in setting the
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* parent to the given element
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* @see #getParentElement() getParentElement()
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public abstract void setParentElement(SOAPElement parent)
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* Returns the parent element of this <code>Node</code> object.
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* This method can throw an <code>UnsupportedOperationException</code>
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* if the tree is not kept in memory.
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* @return the <code>SOAPElement</code> object that is the parent of
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* this <code>Node</code> object or <code>null</code> if this
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* <code>Node</code> object is root
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* @throws java.lang.UnsupportedOperationException if the whole tree is not kept in memory
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* @see #setParentElement(javax.xml.soap.SOAPElement) setParentElement(javax.xml.soap.SOAPElement)
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public abstract SOAPElement getParentElement();
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* Removes this <code>Node</code> object from the tree. Once
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* removed, this node can be garbage collected if there are no
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* application references to it.
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public abstract void detachNode();
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* Notifies the implementation that this <code>Node</code>
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* object is no longer being used by the application and that the
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* implementation is free to reuse this object for nodes that may
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* Calling the method <code>recycleNode</code> implies that the method
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* <code>detachNode</code> has been called previously.
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public abstract void recycleNode();
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* If this is a Text node then this method will set its value, otherwise it
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* sets the value of the immediate (Text) child of this node. The value of
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* the immediate child of this node can be set only if, there is one child
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* node and that node is a Text node, or if there are no children in which
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* case a child Text node will be created.
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* @param value the text to set
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* @throws IllegalStateException if the node is not a Text node and
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* either has more than one child node or has a child node that
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public abstract void setValue(String value);