ObjectArrayParser.java

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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 org.apache.xmlrpc.parser;

import java.util.ArrayList;
import java.util.List;

import javax.xml.namespace.QName;

import org.apache.ws.commons.util.NamespaceContextImpl;
import org.apache.xmlrpc.common.TypeFactory;
import org.apache.xmlrpc.common.XmlRpcStreamConfig;
import org.apache.xmlrpc.serializer.ObjectArraySerializer;
import org.apache.xmlrpc.serializer.TypeSerializerImpl;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;


public class ObjectArrayParser extends RecursiveTypeParserImpl {
        private int level = 0;
        private List list;
        
        public ObjectArrayParser(XmlRpcStreamConfig pConfig,
                                                         NamespaceContextImpl pContext,
                                                         TypeFactory pFactory) {
                super(pConfig, pContext, pFactory);
        }

        public void startDocument() throws SAXException {
                level = 0;
                list = new ArrayList();
                super.startDocument();
        }

        protected void addResult(Object pValue) {
                list.add(pValue);
        }

        public void endElement(String pURI, String pLocalName, String pQName) throws SAXException {
                switch (--level) {
                        case 0:
                                setResult(list.toArray());
                                break;
                        case 1:
                                break;
                        case 2:
                                endValueTag();
                                break;
                        default:
                                super.endElement(pURI, pLocalName, pQName);
                }
        }

        public void startElement(String pURI, String pLocalName, String pQName, Attributes pAttrs) throws SAXException {
                switch (level++) {
                        case 0:
                                if (!"".equals(pURI)  ||  !ObjectArraySerializer.ARRAY_TAG.equals(pLocalName)) {
                                        throw new SAXParseException("Expected array element, got "
                                                                                                + new QName(pURI, pLocalName),
                                                                                                getDocumentLocator());
                                }
                                break;
                        case 1:
                                if (!"".equals(pURI)  ||  !ObjectArraySerializer.DATA_TAG.equals(pLocalName)) {
                                        throw new SAXParseException("Expected data element, got "
                                                                                                + new QName(pURI, pLocalName),
                                                                                                getDocumentLocator());
                                }
                                break;
                        case 2:
                                if (!"".equals(pURI)  ||  !TypeSerializerImpl.VALUE_TAG.equals(pLocalName)) {
                                        throw new SAXParseException("Expected data element, got "
                                                                                                + new QName(pURI, pLocalName),
                                                                                                getDocumentLocator());
                                }
                                startValueTag();
                                break;
                        default:
                                super.startElement(pURI, pLocalName, pQName, pAttrs);
                                break;
                }
        }

}