001 /* 002 * Copyright 2001-2004 The Apache Software Foundation. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017 package org.apache.axis.encoding.ser; 018 019 import java.io.IOException; 020 import java.util.HashMap; 021 import java.util.Map; 022 023 import javax.xml.namespace.QName; 024 025 import org.apache.axis.description.TypeDesc; 026 import org.apache.axis.encoding.Deserializer; 027 import org.apache.axis.utils.BeanPropertyDescriptor; 028 import org.apache.axis.utils.BeanUtils; 029 import org.apache.axis.utils.JavaUtils; 030 031 /** 032 * DeserializerFactory for Bean 033 * 034 * @author Rich Scheuerle <scheu@us.ibm.com> 035 * @author Sam Ruby <rubys@us.ibm.com> 036 */ 037 public class BeanDeserializerFactory extends BaseDeserializerFactory { 038 039 /** Type metadata about this class for XML deserialization */ 040 protected transient TypeDesc typeDesc = null; 041 protected transient Map propertyMap = null; 042 043 public BeanDeserializerFactory(Class javaType, QName xmlType) { 044 super(BeanDeserializer.class, xmlType, javaType); 045 046 // Sometimes an Enumeration class is registered as a Bean. 047 // If this is the case, silently switch to the EnumDeserializer 048 if (JavaUtils.isEnumClass(javaType)) { 049 deserClass = EnumDeserializer.class; 050 } 051 052 typeDesc = TypeDesc.getTypeDescForClass(javaType); 053 propertyMap = getProperties(javaType, typeDesc); 054 } 055 056 /** 057 * Get a list of the bean properties 058 */ 059 public static Map getProperties(Class javaType, TypeDesc typeDesc ) { 060 Map propertyMap = null; 061 062 if (typeDesc != null) { 063 propertyMap = typeDesc.getPropertyDescriptorMap(); 064 } else { 065 BeanPropertyDescriptor[] pd = BeanUtils.getPd(javaType, null); 066 propertyMap = new HashMap(); 067 // loop through properties and grab the names for later 068 for (int i = 0; i < pd.length; i++) { 069 BeanPropertyDescriptor descriptor = pd[i]; 070 propertyMap.put(descriptor.getName(), descriptor); 071 } 072 } 073 074 return propertyMap; 075 } 076 077 /** 078 * Optimize construction of a BeanDeserializer by caching the 079 * type descriptor and property map. 080 */ 081 protected Deserializer getGeneralPurpose(String mechanismType) { 082 if (javaType == null || xmlType == null) { 083 return super.getGeneralPurpose(mechanismType); 084 } 085 086 if (deserClass == EnumDeserializer.class) { 087 return super.getGeneralPurpose(mechanismType); 088 } 089 return new BeanDeserializer(javaType, xmlType, typeDesc, propertyMap); 090 } 091 092 093 private void readObject(java.io.ObjectInputStream in) throws IOException, ClassNotFoundException { 094 in.defaultReadObject(); 095 typeDesc = TypeDesc.getTypeDescForClass(javaType); 096 propertyMap = getProperties(javaType, typeDesc); 097 } 098 }