jaxws/src/java.xml.soap/share/classes/javax/xml/soap/SOAPElement.java
changeset 25871 b80b84e87032
parent 25840 c2002453eec3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxws/src/java.xml.soap/share/classes/javax/xml/soap/SOAPElement.java	Sun Aug 17 15:52:15 2014 +0100
@@ -0,0 +1,526 @@
+/*
+ * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package javax.xml.soap;
+
+import java.util.Iterator;
+
+import javax.xml.namespace.QName;
+
+/**
+ * An object representing an element of a SOAP message that is allowed but not
+ * specifically prescribed by a SOAP specification. This interface serves as the
+ * base interface for those objects that are specifically prescribed by a SOAP
+ * specification.
+ * <p>
+ * Methods in this interface that are required to return SAAJ specific objects
+ * may "silently" replace nodes in the tree as required to successfully return
+ * objects of the correct type. See {@link #getChildElements()} and
+ * {@link <a HREF="package-summary.html#package_description">javax.xml.soap<a>}
+ * for details.
+ *
+ * @since 1.6
+ */
+public interface SOAPElement extends Node, org.w3c.dom.Element {
+
+    /**
+     * Creates a new <code>SOAPElement</code> object initialized with the
+     * given <code>Name</code> object and adds the new element to this
+     * <code>SOAPElement</code> object.
+     * <P>
+     * This method may be deprecated in a future release of SAAJ in favor of
+     * addChildElement(javax.xml.namespace.QName)
+     *
+     * @param name a <code>Name</code> object with the XML name for the
+     *        new element
+     *
+     * @return the new <code>SOAPElement</code> object that was created
+     * @exception SOAPException if there is an error in creating the
+     *                          <code>SOAPElement</code> object
+     * @see SOAPElement#addChildElement(javax.xml.namespace.QName)
+     */
+    public SOAPElement addChildElement(Name name) throws SOAPException;
+
+    /**
+     * Creates a new <code>SOAPElement</code> object initialized with the given
+     * <code>QName</code> object and adds the new element to this <code>SOAPElement</code>
+     *  object. The  <i>namespace</i>, <i>localname</i> and <i>prefix</i> of the new
+     * <code>SOAPElement</code> are all taken  from the <code>qname</code> argument.
+     *
+     * @param qname a <code>QName</code> object with the XML name for the
+     *        new element
+     *
+     * @return the new <code>SOAPElement</code> object that was created
+     * @exception SOAPException if there is an error in creating the
+     *                          <code>SOAPElement</code> object
+     * @see SOAPElement#addChildElement(Name)
+     * @since 1.6, SAAJ 1.3
+     */
+    public SOAPElement addChildElement(QName qname) throws SOAPException;
+
+    /**
+     * Creates a new <code>SOAPElement</code> object initialized with the
+     * specified local name and adds the new element to this
+     * <code>SOAPElement</code> object.
+     * The new  <code>SOAPElement</code> inherits any in-scope default namespace.
+     *
+     * @param localName a <code>String</code> giving the local name for
+     *          the element
+     * @return the new <code>SOAPElement</code> object that was created
+     * @exception SOAPException if there is an error in creating the
+     *                          <code>SOAPElement</code> object
+     */
+    public SOAPElement addChildElement(String localName) throws SOAPException;
+
+    /**
+     * Creates a new <code>SOAPElement</code> object initialized with the
+     * specified local name and prefix and adds the new element to this
+     * <code>SOAPElement</code> object.
+     *
+     * @param localName a <code>String</code> giving the local name for
+     *        the new element
+     * @param prefix a <code>String</code> giving the namespace prefix for
+     *        the new element
+     *
+     * @return the new <code>SOAPElement</code> object that was created
+     * @exception SOAPException if the <code>prefix</code> is not valid in the
+     *         context of this <code>SOAPElement</code> or  if there is an error in creating the
+     *                          <code>SOAPElement</code> object
+     */
+    public SOAPElement addChildElement(String localName, String prefix)
+        throws SOAPException;
+
+    /**
+     * Creates a new <code>SOAPElement</code> object initialized with the
+     * specified local name, prefix, and URI and adds the new element to this
+     * <code>SOAPElement</code> object.
+     *
+     * @param localName a <code>String</code> giving the local name for
+     *        the new element
+     * @param prefix a <code>String</code> giving the namespace prefix for
+     *        the new element
+     * @param uri a <code>String</code> giving the URI of the namespace
+     *        to which the new element belongs
+     *
+     * @return the new <code>SOAPElement</code> object that was created
+     * @exception SOAPException if there is an error in creating the
+     *                          <code>SOAPElement</code> object
+     */
+    public SOAPElement addChildElement(String localName, String prefix,
+                                       String uri)
+        throws SOAPException;
+
+    /**
+     * Add a <code>SOAPElement</code> as a child of this
+     * <code>SOAPElement</code> instance. The <code>SOAPElement</code>
+     * is expected to be created by a
+     * <code>SOAPFactory</code>. Callers should not rely on the
+     * element instance being added as is into the XML
+     * tree. Implementations could end up copying the content
+     * of the <code>SOAPElement</code> passed into an instance of
+     * a different <code>SOAPElement</code> implementation. For
+     * instance if <code>addChildElement()</code> is called on a
+     * <code>SOAPHeader</code>, <code>element</code> will be copied
+     * into an instance of a <code>SOAPHeaderElement</code>.
+     *
+     * <P>The fragment rooted in <code>element</code> is either added
+     * as a whole or not at all, if there was an error.
+     *
+     * <P>The fragment rooted in <code>element</code> cannot contain
+     * elements named "Envelope", "Header" or "Body" and in the SOAP
+     * namespace. Any namespace prefixes present in the fragment
+     * should be fully resolved using appropriate namespace
+     * declarations within the fragment itself.
+     *
+     * @param element the <code>SOAPElement</code> to be added as a
+     *                new child
+     *
+     * @exception SOAPException if there was an error in adding this
+     *                          element as a child
+     *
+     * @return an instance representing the new SOAP element that was
+     *         actually added to the tree.
+     */
+    public SOAPElement addChildElement(SOAPElement element)
+        throws SOAPException;
+
+    /**
+     * Detaches all children of this <code>SOAPElement</code>.
+     * <p>
+     * This method is useful for rolling back the construction of partially
+     * completed <code>SOAPHeaders</code> and <code>SOAPBodys</code> in
+     * preparation for sending a fault when an error condition is detected. It
+     * is also useful for recycling portions of a document within a SOAP
+     * message.
+     *
+     * @since 1.6, SAAJ 1.2
+     */
+    public abstract void removeContents();
+
+    /**
+     * Creates a new <code>Text</code> object initialized with the given
+     * <code>String</code> and adds it to this <code>SOAPElement</code> object.
+     *
+     * @param text a <code>String</code> object with the textual content to be added
+     *
+     * @return the <code>SOAPElement</code> object into which
+     *         the new <code>Text</code> object was inserted
+     * @exception SOAPException if there is an error in creating the
+     *                    new <code>Text</code> object or if it is not legal to
+     *                      attach it as a child to this
+     *                      <code>SOAPElement</code>
+     */
+    public SOAPElement addTextNode(String text) throws SOAPException;
+
+    /**
+     * Adds an attribute with the specified name and value to this
+     * <code>SOAPElement</code> object.
+     *
+     * @param name a <code>Name</code> object with the name of the attribute
+     * @param value a <code>String</code> giving the value of the attribute
+     * @return the <code>SOAPElement</code> object into which the attribute was
+     *         inserted
+     *
+     * @exception SOAPException if there is an error in creating the
+     *                          Attribute, or it is invalid to set
+                                an attribute with <code>Name</code>
+                                 <code>name</code> on this SOAPElement.
+     * @see SOAPElement#addAttribute(javax.xml.namespace.QName, String)
+     */
+    public SOAPElement addAttribute(Name name, String value)
+        throws SOAPException;
+
+    /**
+     * Adds an attribute with the specified name and value to this
+     * <code>SOAPElement</code> object.
+     *
+     * @param qname a <code>QName</code> object with the name of the attribute
+     * @param value a <code>String</code> giving the value of the attribute
+     * @return the <code>SOAPElement</code> object into which the attribute was
+     *         inserted
+     *
+     * @exception SOAPException if there is an error in creating the
+     *                          Attribute, or it is invalid to set
+                                an attribute with <code>QName</code>
+                                <code>qname</code> on this SOAPElement.
+     * @see SOAPElement#addAttribute(Name, String)
+     * @since 1.6, SAAJ 1.3
+     */
+    public SOAPElement addAttribute(QName qname, String value)
+        throws SOAPException;
+
+    /**
+     * Adds a namespace declaration with the specified prefix and URI to this
+     * <code>SOAPElement</code> object.
+     *
+     * @param prefix a <code>String</code> giving the prefix of the namespace
+     * @param uri a <code>String</code> giving the uri of the namespace
+     * @return the <code>SOAPElement</code> object into which this
+     *          namespace declaration was inserted.
+     *
+     * @exception SOAPException if there is an error in creating the
+     *                          namespace
+     */
+    public SOAPElement addNamespaceDeclaration(String prefix, String uri)
+        throws SOAPException;
+
+    /**
+     * Returns the value of the attribute with the specified name.
+     *
+     * @param name a <code>Name</code> object with the name of the attribute
+     * @return a <code>String</code> giving the value of the specified
+     *         attribute, Null if there is no such attribute
+     * @see SOAPElement#getAttributeValue(javax.xml.namespace.QName)
+     */
+    public String getAttributeValue(Name name);
+
+    /**
+     * Returns the value of the attribute with the specified qname.
+     *
+     * @param qname a <code>QName</code> object with the qname of the attribute
+     * @return a <code>String</code> giving the value of the specified
+     *         attribute, Null if there is no such attribute
+     * @see SOAPElement#getAttributeValue(Name)
+     * @since 1.6, SAAJ 1.3
+     */
+    public String getAttributeValue(QName qname);
+
+    /**
+     * Returns an <code>Iterator</code> over all of the attribute
+     * <code>Name</code> objects in this
+     * <code>SOAPElement</code> object. The iterator can be used to get
+     * the attribute names, which can then be passed to the method
+     * <code>getAttributeValue</code> to retrieve the value of each
+     * attribute.
+     *
+     * @see SOAPElement#getAllAttributesAsQNames()
+     * @return an iterator over the names of the attributes
+     */
+    public Iterator getAllAttributes();
+
+    /**
+     * Returns an <code>Iterator</code> over all of the attributes
+     * in this <code>SOAPElement</code>  as <code>QName</code> objects.
+     * The iterator can be used to get the attribute QName, which can then
+     * be passed to the method <code>getAttributeValue</code> to retrieve
+     * the value of each attribute.
+     *
+     * @return an iterator over the QNames of the attributes
+     * @see SOAPElement#getAllAttributes()
+     * @since 1.6, SAAJ 1.3
+     */
+    public Iterator getAllAttributesAsQNames();
+
+
+    /**
+     * Returns the URI of the namespace that has the given prefix.
+     *
+     * @param prefix a <code>String</code> giving the prefix of the namespace
+     *        for which to search
+     * @return a <code>String</code> with the uri of the namespace that has
+     *        the given prefix
+     */
+    public String getNamespaceURI(String prefix);
+
+    /**
+     * Returns an <code>Iterator</code> over the namespace prefix
+     * <code>String</code>s declared by this element. The prefixes returned by
+     * this iterator can be passed to the method
+     * <code>getNamespaceURI</code> to retrieve the URI of each namespace.
+     *
+     * @return an iterator over the namespace prefixes in this
+     *         <code>SOAPElement</code> object
+     */
+    public Iterator getNamespacePrefixes();
+
+    /**
+     * Returns an <code>Iterator</code> over the namespace prefix
+     * <code>String</code>s visible to this element. The prefixes returned by
+     * this iterator can be passed to the method
+     * <code>getNamespaceURI</code> to retrieve the URI of each namespace.
+     *
+     * @return an iterator over the namespace prefixes are within scope of this
+     *         <code>SOAPElement</code> object
+     *
+     * @since 1.6, SAAJ 1.2
+     */
+    public Iterator getVisibleNamespacePrefixes();
+
+    /**
+     * Creates a <code>QName</code> whose namespace URI is the one associated
+     * with the parameter, <code>prefix</code>, in the context of this
+     * <code>SOAPElement</code>. The remaining elements of the new
+     * <code>QName</code> are taken directly from the parameters,
+     * <code>localName</code> and <code>prefix</code>.
+     *
+     * @param localName
+     *          a <code>String</code> containing the local part of the name.
+     * @param prefix
+     *          a <code>String</code> containing the prefix for the name.
+     *
+     * @return a <code>QName</code> with the specified <code>localName</code>
+     *          and <code>prefix</code>, and with a namespace that is associated
+     *          with the <code>prefix</code> in the context of this
+     *          <code>SOAPElement</code>. This namespace will be the same as
+     *          the one that would be returned by
+     *          <code>{@link #getNamespaceURI(String)}</code> if it were given
+     *          <code>prefix</code> as it's parameter.
+     *
+     * @exception SOAPException if the <code>QName</code> cannot be created.
+     *
+     * @since 1.6, SAAJ 1.3
+     */
+    public QName createQName(String localName, String prefix)
+        throws SOAPException;
+    /**
+     * Returns the name of this <code>SOAPElement</code> object.
+     *
+     * @return a <code>Name</code> object with the name of this
+     *         <code>SOAPElement</code> object
+     */
+    public Name getElementName();
+
+    /**
+     * Returns the qname of this <code>SOAPElement</code> object.
+     *
+     * @return a <code>QName</code> object with the qname of this
+     *         <code>SOAPElement</code> object
+     * @see SOAPElement#getElementName()
+     * @since 1.6, SAAJ 1.3
+     */
+    public QName getElementQName();
+
+    /**
+    * Changes the name of this <code>Element</code> to <code>newName</code> if
+    * possible. SOAP Defined elements such as SOAPEnvelope, SOAPHeader, SOAPBody
+    * etc. cannot have their names changed using this method. Any attempt to do
+    * so will result in a  SOAPException being thrown.
+    *<P>
+    * Callers should not rely on the element instance being renamed as is.
+    * Implementations could end up copying the content of the
+    * <code>SOAPElement</code> to a renamed instance.
+    *
+    * @param newName the new name for the <code>Element</code>.
+    *
+    * @exception SOAPException if changing the name of this <code>Element</code>
+    *                          is not allowed.
+    * @return The renamed Node
+    *
+    * @since 1.6, SAAJ 1.3
+    */
+   public SOAPElement setElementQName(QName newName) throws SOAPException;
+
+   /**
+     * Removes the attribute with the specified name.
+     *
+     * @param name the <code>Name</code> object with the name of the
+     *        attribute to be removed
+     * @return <code>true</code> if the attribute was
+     *         removed successfully; <code>false</code> if it was not
+     * @see SOAPElement#removeAttribute(javax.xml.namespace.QName)
+     */
+    public boolean removeAttribute(Name name);
+
+    /**
+     * Removes the attribute with the specified qname.
+     *
+     * @param qname the <code>QName</code> object with the qname of the
+     *        attribute to be removed
+     * @return <code>true</code> if the attribute was
+     *         removed successfully; <code>false</code> if it was not
+     * @see SOAPElement#removeAttribute(Name)
+     * @since 1.6, SAAJ 1.3
+     */
+    public boolean removeAttribute(QName qname);
+
+    /**
+     * Removes the namespace declaration corresponding to the given prefix.
+     *
+     * @param prefix a <code>String</code> giving the prefix for which
+     *        to search
+     * @return <code>true</code> if the namespace declaration was
+     *         removed successfully; <code>false</code> if it was not
+     */
+    public boolean removeNamespaceDeclaration(String prefix);
+
+    /**
+     * Returns an <code>Iterator</code> over all the immediate child
+     * {@link Node}s of this element. This includes <code>javax.xml.soap.Text</code>
+     * objects as well as <code>SOAPElement</code> objects.
+     * <p>
+     * Calling this method may cause child <code>Element</code>,
+     * <code>SOAPElement</code> and <code>org.w3c.dom.Text</code> nodes to be
+     * replaced by <code>SOAPElement</code>, <code>SOAPHeaderElement</code>,
+     * <code>SOAPBodyElement</code> or <code>javax.xml.soap.Text</code> nodes as
+     * appropriate for the type of this parent node. As a result the calling
+     * application must treat any existing references to these child nodes that
+     * have been obtained through DOM APIs as invalid and either discard them or
+     * refresh them with the values returned by this <code>Iterator</code>. This
+     * behavior can be avoided by calling the equivalent DOM APIs. See
+     * {@link <a HREF="package-summary.html#package_description">javax.xml.soap<a>}
+     * for more details.
+     *
+     * @return an iterator with the content of this <code>SOAPElement</code>
+     *         object
+     */
+    public Iterator getChildElements();
+
+    /**
+     * Returns an <code>Iterator</code> over all the immediate child
+     * {@link Node}s of this element with the specified name. All of these
+     * children will be <code>SOAPElement</code> nodes.
+     * <p>
+     * Calling this method may cause child <code>Element</code>,
+     * <code>SOAPElement</code> and <code>org.w3c.dom.Text</code> nodes to be
+     * replaced by <code>SOAPElement</code>, <code>SOAPHeaderElement</code>,
+     * <code>SOAPBodyElement</code> or <code>javax.xml.soap.Text</code> nodes as
+     * appropriate for the type of this parent node. As a result the calling
+     * application must treat any existing references to these child nodes that
+     * have been obtained through DOM APIs as invalid and either discard them or
+     * refresh them with the values returned by this <code>Iterator</code>. This
+     * behavior can be avoided by calling the equivalent DOM APIs. See
+     * {@link <a HREF="package-summary.html#package_description">javax.xml.soap<a>}
+     * for more details.
+     *
+     * @param name a <code>Name</code> object with the name of the child
+     *        elements to be returned
+     *
+     * @return an <code>Iterator</code> object over all the elements
+     *         in this <code>SOAPElement</code> object with the
+     *         specified name
+     * @see SOAPElement#getChildElements(javax.xml.namespace.QName)
+     */
+    public Iterator getChildElements(Name name);
+
+    /**
+     * Returns an <code>Iterator</code> over all the immediate child
+     * {@link Node}s of this element with the specified qname. All of these
+     * children will be <code>SOAPElement</code> nodes.
+     * <p>
+     * Calling this method may cause child <code>Element</code>,
+     * <code>SOAPElement</code> and <code>org.w3c.dom.Text</code> nodes to be
+     * replaced by <code>SOAPElement</code>, <code>SOAPHeaderElement</code>,
+     * <code>SOAPBodyElement</code> or <code>javax.xml.soap.Text</code> nodes as
+     * appropriate for the type of this parent node. As a result the calling
+     * application must treat any existing references to these child nodes that
+     * have been obtained through DOM APIs as invalid and either discard them or
+     * refresh them with the values returned by this <code>Iterator</code>. This
+     * behavior can be avoided by calling the equivalent DOM APIs. See
+     * {@link <a HREF="package-summary.html#package_description">javax.xml.soap<a>}
+     * for more details.
+     *
+     * @param qname a <code>QName</code> object with the qname of the child
+     *        elements to be returned
+     *
+     * @return an <code>Iterator</code> object over all the elements
+     *         in this <code>SOAPElement</code> object with the
+     *         specified qname
+     * @see SOAPElement#getChildElements(Name)
+     * @since 1.6, SAAJ 1.3
+     */
+    public Iterator getChildElements(QName qname);
+
+    /**
+     * Sets the encoding style for this <code>SOAPElement</code> object
+     * to one specified.
+     *
+     * @param encodingStyle a <code>String</code> giving the encoding style
+     *
+     * @exception IllegalArgumentException if there was a problem in the
+     *            encoding style being set.
+     * @exception SOAPException if setting the encodingStyle is invalid for this SOAPElement.
+     * @see #getEncodingStyle
+     */
+    public void setEncodingStyle(String encodingStyle)
+        throws SOAPException;
+    /**
+     * Returns the encoding style for this <code>SOAPElement</code> object.
+     *
+     * @return a <code>String</code> giving the encoding style
+     *
+     * @see #setEncodingStyle
+     */
+    public String getEncodingStyle();
+}