Hello, The main suggestion is using an umnarshall method for specialized vesion of a SOAP Attribute. The patch file name is : patch_AttributeHandler.txt. Author: Jerry Boetje Content: -------------------------------------------------------------------------- --- /net/bigbang/vol/vol1/homes/yzhao/xml-soap/java/src/org/apache/soap/Attribut eHandler.java Sun Jun 17 02:59:14 2001 +++ AttributeHandler.java Mon Jun 18 15:23:30 2001 @@ -1,260 +1,282 @@ -/* - * The Apache Software License, Version 1.1 - * - * - * Copyright (c) 2000 The Apache Software Foundation. All rights - * reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 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 end-user documentation included with the redistribution, - * if any, must include the following acknowledgment: - * "This product includes software developed by the - * Apache Software Foundation (http://www.apache.org/)." - * Alternately, this acknowledgment may appear in the software itself, - * if and wherever such third-party acknowledgments normally appear. - * - * 4. The names "SOAP" and "Apache Software Foundation" must - * not be used to endorse or promote products derived from this - * software without prior written permission. For written - * permission, please contact [EMAIL PROTECTED] - * - * 5. Products derived from this software may not be called "Apache", - * nor may "Apache" appear in their name, without prior written - * permission of the Apache Software Foundation. - * - * THIS SOFTWARE IS PROVIDED ``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 THE APACHE SOFTWARE FOUNDATION 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. - * ==================================================================== - * - * This software consists of voluntary contributions made by many - * individuals on behalf of the Apache Software Foundation and was - * originally based on software copyright (c) 2000, International - * Business Machines, Inc., http://www.apache.org. For more - * information on the Apache Software Foundation, please see - * <http://www.apache.org/>. - */ - -package org.apache.soap; - -import java.io.*; -import java.util.*; -import org.w3c.dom.*; -import org.apache.soap.util.xml.*; -import org.apache.soap.rpc.SOAPContext; - -/** - * An <code>AttributeHandler</code> maintains attributes and namespace - * declarations for the other <em>SOAP</em> classes. - * - * @author Matthew J. Duftler ([EMAIL PROTECTED]) - */ -class AttributeHandler -{ - private Hashtable attributes = new Hashtable(); - private Hashtable namespaceURIs2Prefixes = new Hashtable(); - private int nsPrefixIndex = 0; - - public AttributeHandler() - { - // Make sure to use "xmlns" as the prefix for any namespace declarations. - namespaceURIs2Prefixes.put(Constants.NS_URI_XMLNS, - Constants.NS_PRE_XMLNS); - } - - public void setAttribute(QName attrQName, String value) - { - attributes.put(attrQName, value); - - // If this is a namespace declaration, register the new prefix. - if (attrQName.getNamespaceURI().equals(Constants.NS_URI_XMLNS)) - { - namespaceURIs2Prefixes.put(value, attrQName.getLocalPart()); - } - } - - public String getAttribute(QName attrQName) - { - return (String)attributes.get(attrQName); - } - - public void removeAttribute(QName attrQName) - { - attributes.remove(attrQName); - } - - private Enumeration getAttributeQNames() - { - generateNSDeclarations(); - - return attributes.keys(); - } - - public void declareNamespace(String nsPrefix, String namespaceURI) - { - setAttribute(new QName(Constants.NS_URI_XMLNS, nsPrefix), namespaceURI); - } - - private void generateNSDeclarations() - { - Enumeration keys = attributes.keys(); - - while (keys.hasMoreElements()) - { - QName qname = (QName)keys.nextElement(); - - // Ensure that a prefix has been associated with this namespace URI. - getPrefixFromURI(qname.getNamespaceURI()); - } - } - - private String getPrefixFromURI(String namespaceURI) - { - if ("".equals(namespaceURI)) return null ; - - String nsPrefix = (String)namespaceURIs2Prefixes.get(namespaceURI); - - if (nsPrefix == null) - { - nsPrefix = "ns" + nsPrefixIndex++; - - setAttribute(new QName(Constants.NS_URI_XMLNS, nsPrefix), namespaceURI); - } - - return nsPrefix; - } - - public void populateNSStack(NSStack nsStack) - { - generateNSDeclarations(); - - nsStack.pushScope(); - - Enumeration e = namespaceURIs2Prefixes.keys(); - - while (e.hasMoreElements()) - { - String namespaceURI = (String)e.nextElement(); - String namespacePrefix = getPrefixFromURI(namespaceURI); - - if (namespacePrefix != null) - nsStack.addNSDeclaration(namespacePrefix, namespaceURI); - } - } - - public String getUniquePrefixFromURI(String namespaceURI, - String preferredPrefix, - NSStack nsStack) - { - String retPrefix = nsStack.getPrefixFromURI(namespaceURI); - - if (retPrefix == null) - { - int prefixCount = 0; - - if (preferredPrefix == null) - { - preferredPrefix = "ns"; - prefixCount++; - } - - while (retPrefix == null) - { - String newPrefix = preferredPrefix + (prefixCount > 0 - ? prefixCount + "" - : ""); - - // Is this prefix free? - if (nsStack.getURIFromPrefix(newPrefix) == null) - { - // Have to declare the namespace, and update the namespace stack. - nsStack.popScope(); - declareNamespace(newPrefix, namespaceURI); - populateNSStack(nsStack); - retPrefix = nsStack.getPrefixFromURI(namespaceURI); - } - else - { - prefixCount++; - } - } - } - - return retPrefix; - } - - public void marshall(Writer sink, SOAPContext ctx) - throws IllegalArgumentException, IOException - { - Enumeration attrQNames = getAttributeQNames(); - - while (attrQNames.hasMoreElements()) - { - QName attrQName = (QName)attrQNames.nextElement(); - - sink.write(' ') ; - String nsPrefix ; - if ((nsPrefix = getPrefixFromURI(attrQName.getNamespaceURI())) != null) - sink.write(nsPrefix + ':') ; - sink.write(attrQName.getLocalPart() + "=\"" + - getAttribute(attrQName) + '\"'); - } - } - - public static AttributeHandler unmarshall(Node src, SOAPContext ctx) - throws IllegalArgumentException - { - NamedNodeMap attrs = src.getAttributes(); - AttributeHandler attrHandler = new AttributeHandler(); - int size = attrs.getLength(); - - for (int i = 0; i < size; i++) - { - Attr attr = (Attr)attrs.item(i); - String namespaceURI = attr.getNamespaceURI(); - String localName = attr.getLocalName(); - String value = attr.getValue(); - - attrHandler.setAttribute(new QName(namespaceURI, localName), value); - } - - return attrHandler; - } - - public String toString() - { - StringWriter sw = new StringWriter(); - - try - { - sw.write("{"); - marshall(sw, new SOAPContext()); - sw.write("}"); - } - catch (Exception e) - { - } - - return sw.toString(); - } -} +/* + * The Apache Software License, Version 1.1 + * + * + * Copyright (c) 2000 The Apache Software Foundation. All rights + * reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 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 end-user documentation included with the redistribution, + * if any, must include the following acknowledgment: + * "This product includes software developed by the + * Apache Software Foundation (http://www.apache.org/)." + * Alternately, this acknowledgment may appear in the software itself, + * if and wherever such third-party acknowledgments normally appear. + * + * 4. The names "SOAP" and "Apache Software Foundation" must + * not be used to endorse or promote products derived from this + * software without prior written permission. For written + * permission, please contact [EMAIL PROTECTED] + * + * 5. Products derived from this software may not be called "Apache", + * nor may "Apache" appear in their name, without prior written + * permission of the Apache Software Foundation. + * + * THIS SOFTWARE IS PROVIDED ``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 THE APACHE SOFTWARE FOUNDATION 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. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation and was + * originally based on software copyright (c) 2000, International + * Business Machines, Inc., http://www.apache.org. For more + * information on the Apache Software Foundation, please see + * <http://www.apache.org/>. + */ + +package org.apache.soap; + +import java.io.*; +import java.util.*; +import org.w3c.dom.*; +import org.apache.soap.util.xml.*; +import org.apache.soap.rpc.SOAPContext; + +/** + * An <code>AttributeHandler</code> maintains attributes and namespace + * declarations for the other <em>SOAP</em> classes. + * + * @author Matthew J. Duftler ([EMAIL PROTECTED]) + */ +class AttributeHandler +{ + private Hashtable attributes = new Hashtable(); + private Hashtable namespaceURIs2Prefixes = new Hashtable(); + private int nsPrefixIndex = 0; + + public AttributeHandler() + { + // Make sure to use "xmlns" as the prefix for any namespace declarations. + namespaceURIs2Prefixes.put(Constants.NS_URI_XMLNS, + Constants.NS_PRE_XMLNS); + } + + public void setAttribute(QName attrQName, String value) + { + attributes.put(attrQName, value); + + // If this is a namespace declaration, register the new prefix. + if (attrQName.getNamespaceURI().equals(Constants.NS_URI_XMLNS)) + { + namespaceURIs2Prefixes.put(value, attrQName.getLocalPart()); + } + } + + public String getAttribute(QName attrQName) + { + return (String)attributes.get(attrQName); + } + + public void removeAttribute(QName attrQName) + { + attributes.remove(attrQName); + } + + private Enumeration getAttributeQNames() + { + generateNSDeclarations(); + + return attributes.keys(); + } + + public void declareNamespace(String nsPrefix, String namespaceURI) + { + setAttribute(new QName(Constants.NS_URI_XMLNS, nsPrefix), namespaceURI); + } + + private void generateNSDeclarations() + { + Enumeration keys = attributes.keys(); + + while (keys.hasMoreElements()) + { + QName qname = (QName)keys.nextElement(); + + // Ensure that a prefix has been associated with this namespace URI. + getPrefixFromURI(qname.getNamespaceURI()); + } + } + + private String getPrefixFromURI(String namespaceURI) + { + if ("".equals(namespaceURI)) return null ; + + String nsPrefix = (String)namespaceURIs2Prefixes.get(namespaceURI); + + if (nsPrefix == null) + { + nsPrefix = "ns" + nsPrefixIndex++; + + setAttribute(new QName(Constants.NS_URI_XMLNS, nsPrefix), namespaceURI); + } + + return nsPrefix; + } + + public void populateNSStack(NSStack nsStack) + { + generateNSDeclarations(); + + nsStack.pushScope(); + + Enumeration e = namespaceURIs2Prefixes.keys(); + + while (e.hasMoreElements()) + { + String namespaceURI = (String)e.nextElement(); + String namespacePrefix = getPrefixFromURI(namespaceURI); + + if (namespacePrefix != null) + nsStack.addNSDeclaration(namespacePrefix, namespaceURI); + } + } + + public String getUniquePrefixFromURI(String namespaceURI, + String preferredPrefix, + NSStack nsStack) + { + String retPrefix = nsStack.getPrefixFromURI(namespaceURI); + + if (retPrefix == null) + { + int prefixCount = 0; + + if (preferredPrefix == null) + { + preferredPrefix = "ns"; + prefixCount++; + } + + while (retPrefix == null) + { + String newPrefix = preferredPrefix + (prefixCount > 0 + ? prefixCount + "" + : ""); + + // Is this prefix free? + if (nsStack.getURIFromPrefix(newPrefix) == null) + { + // Have to declare the namespace, and update the namespace stack. + nsStack.popScope(); + declareNamespace(newPrefix, namespaceURI); + populateNSStack(nsStack); + retPrefix = nsStack.getPrefixFromURI(namespaceURI); + } + else + { + prefixCount++; + } + } + } + + return retPrefix; + } + + public void marshall(Writer sink, SOAPContext ctx) + throws IllegalArgumentException, IOException + { + Enumeration attrQNames = getAttributeQNames(); + + while (attrQNames.hasMoreElements()) + { + QName attrQName = (QName)attrQNames.nextElement(); + + sink.write(' ') ; + String nsPrefix ; + if ((nsPrefix = getPrefixFromURI(attrQName.getNamespaceURI())) != null) + sink.write(nsPrefix + ':') ; + sink.write(attrQName.getLocalPart() + "=\"" + + getAttribute(attrQName) + '\"'); + } + } + + + /** This static method is used to provide a default method + * for unmarshalling an attribute for a SOAP element. It is + * preserved for backward compatibility. See @see doUnmarshall. + * @see + * @param src The SOAP element holding a set of attributes. + * @param ctx Not used by this method. + * @throws IllegalArgumentException + * @return + */ + public static AttributeHandler unmarshall(Node src, SOAPContext ctx) + throws IllegalArgumentException { + AttributeHandler attrHandler = new AttributeHandler(); + attrHandler.doUnmarshall(src, ctx); + return attrHandler; + } + + /**The method unmarshalls a SOAP Attribute part into a specific instance + * of AttributeHandler. Most often used when the application requires a + * specialized version of a SOAP Attribute. + * @param src + * @param ctx + * @throws IllegalArgumentException + * @return */ + public AttributeHandler doUnmarshall(Node src, SOAPContext ctx) + throws IllegalArgumentException { + NamedNodeMap attrs = src.getAttributes(); + int size = attrs.getLength(); + + for (int i = 0; i < size; i++) + { + Attr attr = (Attr)attrs.item(i); + String namespaceURI = attr.getNamespaceURI(); + String localName = attr.getLocalName(); + String value = attr.getValue(); + + this.setAttribute(new QName(namespaceURI, localName), value); + } + + return this; + } + + public String toString() + { + StringWriter sw = new StringWriter(); + + try + { + sw.write("{"); + marshall(sw, new SOAPContext()); + sw.write("}"); + } + catch (Exception e) + { + } + + return sw.toString(); + } +} -------------------------------------------------------------------------- Thanks, Ying
