/* | |
* Copyright 2004,2007 The Apache Software Foundation. | |
* Portions Copyright 2006 International Business Machines Corp. | |
* | |
* Licensed 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.ws.commons.schema.extensions; | |
import org.apache.ws.commons.schema.XmlSchemaObject; | |
import org.w3c.dom.Node; | |
import javax.xml.namespace.QName; | |
import java.util.HashMap; | |
import java.util.Map; | |
/** | |
* The task of the extension serializer is to delegate the serilization of | |
* the extensions. The extension serializers/deserializers are retained in seperate | |
* maps and there are also two seperate references to default serializers and deserializers | |
* which would jump into action when there are no specifically attached | |
* serializers/deserializers | |
*/ | |
public class ExtensionRegistry { | |
/** | |
* Maps for the storage of extension serializers /deserializers | |
*/ | |
private Map extensionSerializers = new HashMap(); | |
private Map extensionDeserializers = new HashMap(); | |
/** | |
* Default serializer and serializer | |
*/ | |
private ExtensionSerializer defaultExtensionSerializer =new DefaultExtensionSerializer(); | |
private ExtensionDeserializer defaultExtensionDeserializer = new DefaultExtensionDeserializer(); | |
public ExtensionSerializer getDefaultExtensionSerializer() { | |
return defaultExtensionSerializer; | |
} | |
public void setDefaultExtensionSerializer(ExtensionSerializer defaultExtensionSerializer) { | |
this.defaultExtensionSerializer = defaultExtensionSerializer; | |
} | |
public ExtensionDeserializer getDefaultExtensionDeserializer() { | |
return defaultExtensionDeserializer; | |
} | |
public void setDefaultExtensionDeserializer(ExtensionDeserializer defaultExtensionDeserializer) { | |
this.defaultExtensionDeserializer = defaultExtensionDeserializer; | |
} | |
/** | |
* Register a deserializer with a QName | |
* @param name - the QName of the element/attribute | |
* @param deserializer - an instance of the deserializer | |
*/ | |
public void registerDeserializer(QName name,ExtensionDeserializer deserializer){ | |
extensionDeserializers.put(name,deserializer); | |
} | |
/** | |
* Register a serializer with a Class | |
* @param classOfType - the class of the object that would be serialized | |
* @param serializer - an instance of the deserializer | |
*/ | |
public void registerSerializer(Class classOfType,ExtensionSerializer serializer){ | |
extensionSerializers.put(classOfType,serializer); | |
} | |
/** | |
* remove the registration for a serializer with a QName | |
* @param name - the QName of the element/attribute the | |
* serializer is associated with | |
*/ | |
public void unregisterSerializer(QName name){ | |
extensionSerializers.remove(name); | |
} | |
/** | |
* remove the registration for a deserializer with a QName | |
* @param classOfType - the the | |
* deserializer is associated with | |
*/ | |
public void unregisterDeserializer(Class classOfType){ | |
extensionDeserializers.remove(classOfType); | |
} | |
/** | |
* Serialize a given extension element | |
* @param parentSchemaObject - the parent schema object. This is what | |
* would contain the extension object, probably in side its meta information | |
* map | |
* @param classOfType - The class of type to be serialized | |
* @param node - the parent DOM Node that will ultimately be serialized. The XMLSchema | |
* serialization mechanism is to create a DOM tree first and serialize it | |
*/ | |
public void serializeExtension(XmlSchemaObject parentSchemaObject, | |
Class classOfType, | |
Node node){ | |
Object serializerObject = extensionSerializers.get(classOfType); | |
if (serializerObject!=null){ | |
//perform the serialization | |
ExtensionSerializer ser = (ExtensionSerializer)serializerObject; | |
ser.serialize(parentSchemaObject,classOfType,node); | |
}else if (defaultExtensionSerializer!=null) { | |
defaultExtensionSerializer.serialize(parentSchemaObject,classOfType,node); | |
} | |
} | |
/** | |
* Deserialize a given extension element | |
* @param parentSchemaObject - the parent schema object. This is anticipated | |
* to be created already and the relevant object would contain the extension | |
* object, probably in side its meta information map | |
* @param name - The qname of the element/attribute to be deserialized. This will be used to | |
* search for the extension as well as by the deserializer if a single deserializer is | |
* registered against a number of qnames | |
* @param rawNode - the raw DOM Node read from the source. This will be the | |
* extension element itself if for an element or extension attribute itself | |
* in case of an attribute | |
*/ | |
public void deserializeExtension(XmlSchemaObject parentSchemaObject, | |
QName name, | |
Node rawNode){ | |
Object deserializerObject = extensionDeserializers.get(name); | |
if (deserializerObject !=null){ | |
//perform the serialization | |
ExtensionDeserializer deser = (ExtensionDeserializer)deserializerObject; | |
deser.deserialize(parentSchemaObject,name,rawNode); | |
} else if (defaultExtensionDeserializer!=null){ | |
defaultExtensionDeserializer.deserialize(parentSchemaObject,name,rawNode); | |
} | |
} | |
} |