/* Copyright (c) 2003,2004, Stefan Haustein, Oberhausen, Rhld., Germany * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The  above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE.  * * Contributor(s): Sean McDaniel * * */  package org.ksoap2.serialization;import java.io.*;import java.util.*;import org.xmlpull.v1.*;/** * serializes instances of hashtable to and from xml. * this implementation is based on the xml schema from * apache-soap, namely the type 'map' in the namespace * 'http://xml.apache.org/xml-soap'.  other soap * implementations including apache (obviously ) and * glue are also interoperable with the schema. */public class MarshalHashtable implements Marshal {    /** use then during registration */    public static final String NAMESPACE =        "http://xml.apache.org/xml-soap";    /** use then during registration */    public static final String NAME = "Map";    /** CLDC does not support .class, so this helper is needed. */    public static final Class HASHTABLE_CLASS =        new Hashtable().getClass();    SoapSerializationEnvelope envelope;    public Object readInstance(        XmlPullParser parser,        String namespace,        String name,        PropertyInfo expected)        throws IOException, XmlPullParserException {        Hashtable instance = new Hashtable();		String elementName = parser.getName ();        // advance to <apache-xml:map>//		parser.nextTag();      //  parser.require(parser.START_TAG, null, "map");        while (parser.nextTag() != XmlPullParser.END_TAG) {            SoapObject item = new ItemSoapObject(instance);            // advance <item>            parser.require(XmlPullParser.START_TAG, null, "item");            parser.nextTag();            Object key =                envelope.read(                    parser,                    item,                    0,                    null,                    null,                    PropertyInfo.OBJECT_TYPE);            parser.nextTag();            if (key != null)                item.setProperty(0, key);            Object value =                envelope.read(                    parser,                    item,                    1,                    null,                    null,                    PropertyInfo.OBJECT_TYPE);            parser.nextTag();            if (value != null)                item.setProperty(1, value);            // advance </item>            parser.require(XmlPullParser.END_TAG, null, "item");        }        // advance </apache-xml:map>        parser.require(XmlPullParser.END_TAG, null, elementName);        return instance;    }    public void writeInstance(        XmlSerializer writer,        Object instance)        throws IOException {        Hashtable h = (Hashtable) instance;        SoapObject item = new SoapObject(null, null);        item.addProperty("key", null);        item.addProperty("value", null);        for (Enumeration keys = h.keys();            keys.hasMoreElements();            ) {            writer.startTag("", "item");            Object key = keys.nextElement();            item.setProperty(0, key);            item.setProperty(1, h.get(key));            envelope.writeObjectBody(writer, item);            writer.endTag("", "item");        }    }    //////////////////////////////////////////////    class ItemSoapObject extends SoapObject {        Hashtable h;        int resolvedIndex = -1;        ItemSoapObject(Hashtable h) {            super(null, null);            this.h = h;            addProperty("key",  null);            addProperty("value", null);        }        // 0 & 1 only valid        public void setProperty(int index, Object value) {            if (resolvedIndex == -1) {                super.setProperty(index, value);                resolvedIndex = index;            }            else {                // already have a key or value                Object resolved =                    resolvedIndex == 0                        ? getProperty(0)                        : getProperty(1);                if (index == 0)                    h.put(value, resolved);                else                    h.put(resolved, value);            }        }    }    public void register(SoapSerializationEnvelope cm) {        envelope = cm;        cm.addMapping(            MarshalHashtable.NAMESPACE,            MarshalHashtable.NAME,            HASHTABLE_CLASS,            this);    }}