src/org/apache/axis/encoding/ser/SimpleListDeserializer.java - axis-axis1-java - Git at Google

 /*
  * Copyright 2001,2004 The Apache Software Foundation.
  *
  * 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.axis.encoding.ser;

 import java.lang.reflect.Array;
 import java.lang.reflect.Constructor;
 import java.lang.reflect.InvocationTargetException;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.Set;
 import java.util.StringTokenizer;

 import javax.xml.namespace.QName;

 import org.apache.axis.description.TypeDesc;
 import org.apache.axis.encoding.DeserializationContext;
 import org.apache.axis.encoding.Deserializer;
 import org.apache.axis.encoding.SimpleType;
 import org.apache.axis.encoding.TypeMapping;
 import org.apache.axis.message.SOAPHandler;
 import org.apache.axis.utils.BeanPropertyDescriptor;
 import org.apache.axis.utils.Messages;
 import org.xml.sax.Attributes;
 import org.xml.sax.SAXException;

 /**
  * Deserializer for
  * <xsd:simpleType ...>
  *   <xsd:list itemType="...">
  * </xsd:simpleType>
  * based on SimpleDeserializer
  *
  * @author Ias (iasandcb@tmax.co.kr)
  */
 public class SimpleListDeserializer extends SimpleDeserializer {

     StringBuffer val = new StringBuffer();
     private Constructor constructor = null;
     private Map propertyMap = null;
     private HashMap attributeMap = null;
     private DeserializationContext context = null;

     public QName xmlType;
     public Class javaType;

     private TypeDesc typeDesc = null;

     protected SimpleListDeserializer cacheStringDSer = null;
     protected QName cacheXMLType = null;
     /**
      * The Deserializer is constructed with the xmlType and
      * javaType (which could be a java primitive like int.class)
      */
     public SimpleListDeserializer(Class javaType, QName xmlType) {
         super (javaType, xmlType);

         this.xmlType = xmlType;
         this.javaType = javaType;
     }
     public SimpleListDeserializer(Class javaType, QName xmlType, TypeDesc typeDesc) {
         super (javaType, xmlType, typeDesc);

         this.xmlType = xmlType;
         this.javaType = javaType;
         this.typeDesc = typeDesc;
     }


     /**
      * Reset deserializer for re-use
      */
     public void reset() {
         val.setLength(0); // Reset string buffer back to zero
         attributeMap = null; // Remove attribute map
         isNil = false; // Don't know if nil
         isEnded = false; // Indicate the end of element not yet called
     }

     /**
      * The Factory calls setConstructor.
      */
     public void setConstructor(Constructor c)
     {
         constructor = c;
     }

     /**
      * There should not be nested elements, so thow and exception if this occurs.
      */
     public SOAPHandler onStartChild(String namespace,
                                     String localName,
                                     String prefix,
                                     Attributes attributes,
                                     DeserializationContext context)
         throws SAXException
     {
         throw new SAXException(
                 Messages.getMessage("cantHandle00", "SimpleDeserializer"));
     }

     /**
      * Append any characters received to the value.  This method is defined
      * by Deserializer.
      */
     public void characters(char [] chars, int start, int end)
         throws SAXException
     {
         val.append(chars, start, end);
     }

     /**
      * Append any characters to the value.  This method is defined by
      * Deserializer.
      */
     public void onEndElement(String namespace, String localName,
                            DeserializationContext context)
         throws SAXException
     {
         if (isNil || val == null) {
             value = null;
             return;
         }
         try {
             value = makeValue(val.toString());
         } catch (InvocationTargetException ite) {
             Throwable realException = ite.getTargetException();
             if (realException instanceof Exception)
                throw new SAXException((Exception)realException);
             else
                throw new SAXException(ite.getMessage());
         } catch (Exception e) {
             throw new SAXException(e);
         }

         // If this is a SimpleType, set attributes we have stashed away
         setSimpleTypeAttributes();
     }

     /**
      * Convert the string that has been accumulated into an Object.  Subclasses
      * may override this.
      * @param source the serialized value to be deserialized
      * @throws Exception any exception thrown by this method will be wrapped
      */
     public Object makeValue(String source) throws Exception
     {
         // According to XML Schema Spec Part 0: Primer 2.3.1 - white space delimitor
         StringTokenizer tokenizer = new StringTokenizer(source.trim());
         int length = tokenizer.countTokens();
         Object list = Array.newInstance(javaType, length);
         for (int i = 0; i < length; i++) {
             String token = tokenizer.nextToken();
             Array.set(list, i, makeUnitValue(token));
         }
         return list;
     }

     private Object makeUnitValue(String source) throws Exception
     {
         // If the javaType is a boolean, except a number of different sources
         if (javaType == boolean.class || javaType == Boolean.class) {
             // This is a pretty lame test, but it is what the previous code did.
             switch (source.charAt(0)) {
                 case '0': case 'f': case 'F':
                     return Boolean.FALSE;

                    case '1': case 't': case 'T':
                        return Boolean.TRUE;

                       default:
                           throw new NumberFormatException(
                                   Messages.getMessage("badBool00"));
             }

         }

         // If expecting a Float or a Double, need to accept some special cases.
         if (javaType == float.class ||
                 javaType == java.lang.Float.class) {
             if (source.equals("NaN")) {
                 return new Float(Float.NaN);
             } else if (source.equals("INF")) {
                 return new Float(Float.POSITIVE_INFINITY);
             } else if (source.equals("-INF")) {
                 return new Float(Float.NEGATIVE_INFINITY);
             }
         }
         if (javaType == double.class ||
                 javaType == java.lang.Double.class) {
             if (source.equals("NaN")) {
                 return new Double(Double.NaN);
             } else if (source.equals("INF")) {
                 return new Double(Double.POSITIVE_INFINITY);
             } else if (source.equals("-INF")) {
                 return new Double(Double.NEGATIVE_INFINITY);
             }
         }
         if (javaType == QName.class) {
             int colon = source.lastIndexOf(":");
             String namespace = colon < 0 ? "" :
                 context.getNamespaceURI(source.substring(0, colon));
             String localPart = colon < 0 ? source :
                 source.substring(colon + 1);
             return new QName(namespace, localPart);
         }

         return constructor.newInstance(new Object [] { source });
     }
     /**
      * Set the bean properties that correspond to element attributes.
      *
      * This method is invoked after startElement when the element requires
      * deserialization (i.e. the element is not an href and the value is not nil.)
      * @param namespace is the namespace of the element
      * @param localName is the name of the element
      * @param prefix is the prefix of the element
      * @param attributes are the attributes on the element...used to get the type
      * @param context is the DeserializationContext
      */
     public void onStartElement(String namespace, String localName,
                                String prefix, Attributes attributes,
                                DeserializationContext context)
             throws SAXException
     {

         this.context = context;

         // If we have no metadata, we have no attributes.  Q.E.D.
         if (typeDesc == null)
             return;

         // loop through the attributes and set bean properties that
         // correspond to attributes
         for (int i=0; i < attributes.getLength(); i++) {
             QName attrQName = new QName(attributes.getURI(i),
                                         attributes.getLocalName(i));
             String fieldName = typeDesc.getFieldNameForAttribute(attrQName);
             if (fieldName == null)
                 continue;

             // look for the attribute property
             BeanPropertyDescriptor bpd =
                     (BeanPropertyDescriptor) propertyMap.get(fieldName);
             if (bpd != null) {
                 if (!bpd.isWriteable() || bpd.isIndexed() ) continue ;

                 // determine the QName for this child element
                 TypeMapping tm = context.getTypeMapping();
                 Class type = bpd.getType();
                 QName qn = tm.getTypeQName(type);
                 if (qn == null)
                     throw new SAXException(
                             Messages.getMessage("unregistered00", type.toString()));

                 // get the deserializer
                 Deserializer dSer = context.getDeserializerForType(qn);
                 if (dSer == null)
                     throw new SAXException(
                             Messages.getMessage("noDeser00", type.toString()));
                 if (! (dSer instanceof SimpleListDeserializer))
                     throw new SAXException(
                             Messages.getMessage("AttrNotSimpleType00",
                                                  bpd.getName(),
                                                  type.toString()));

                 // Success!  Create an object from the string and save
                 // it in our attribute map for later.
                 if (attributeMap == null) {
                     attributeMap = new HashMap();
                 }
                 try {
                     Object val = ((SimpleListDeserializer)dSer).
                         makeValue(attributes.getValue(i));
                     attributeMap.put(fieldName, val);
                 } catch (Exception e) {
                     throw new SAXException(e);
                 }
             } // if
         } // attribute loop
     } // onStartElement

     /**
      * Process any attributes we may have encountered (in onStartElement)
      */
     private void setSimpleTypeAttributes() throws SAXException {
         // if this isn't a simpleType bean, wont have attributes
         if (! SimpleType.class.isAssignableFrom(javaType) ||
             attributeMap == null)
             return;

         // loop through map
         Set entries = attributeMap.entrySet();
         for (Iterator iterator = entries.iterator(); iterator.hasNext();) {
             Map.Entry entry = (Map.Entry) iterator.next();
             String name = (String) entry.getKey();
             Object val = entry.getValue();

             BeanPropertyDescriptor bpd =
                     (BeanPropertyDescriptor) propertyMap.get(name);
             if (!bpd.isWriteable() || bpd.isIndexed()) continue;
             try {
                 bpd.set(value, val );
             } catch (Exception e) {
                 throw new SAXException(e);
             }
         }
     }

 }
	/*
	* Copyright 2001,2004 The Apache Software Foundation.
	*
	* 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.axis.encoding.ser;

	import java.lang.reflect.Array;
	import java.lang.reflect.Constructor;
	import java.lang.reflect.InvocationTargetException;
	import java.util.HashMap;
	import java.util.Iterator;
	import java.util.Map;
	import java.util.Set;
	import java.util.StringTokenizer;

	import javax.xml.namespace.QName;

	import org.apache.axis.description.TypeDesc;
	import org.apache.axis.encoding.DeserializationContext;
	import org.apache.axis.encoding.Deserializer;
	import org.apache.axis.encoding.SimpleType;
	import org.apache.axis.encoding.TypeMapping;
	import org.apache.axis.message.SOAPHandler;
	import org.apache.axis.utils.BeanPropertyDescriptor;
	import org.apache.axis.utils.Messages;
	import org.xml.sax.Attributes;
	import org.xml.sax.SAXException;

	/**
	* Deserializer for
	* <xsd:simpleType ...>
	* <xsd:list itemType="...">
	* </xsd:simpleType>
	* based on SimpleDeserializer
	*
	* @author Ias (iasandcb@tmax.co.kr)
	*/
	public class SimpleListDeserializer extends SimpleDeserializer {

	StringBuffer val = new StringBuffer();
	private Constructor constructor = null;
	private Map propertyMap = null;
	private HashMap attributeMap = null;
	private DeserializationContext context = null;

	public QName xmlType;
	public Class javaType;

	private TypeDesc typeDesc = null;

	protected SimpleListDeserializer cacheStringDSer = null;
	protected QName cacheXMLType = null;
	/**
	* The Deserializer is constructed with the xmlType and
	* javaType (which could be a java primitive like int.class)
	*/
	public SimpleListDeserializer(Class javaType, QName xmlType) {
	super (javaType, xmlType);

	this.xmlType = xmlType;
	this.javaType = javaType;
	}
	public SimpleListDeserializer(Class javaType, QName xmlType, TypeDesc typeDesc) {
	super (javaType, xmlType, typeDesc);

	this.xmlType = xmlType;
	this.javaType = javaType;
	this.typeDesc = typeDesc;
	}


	/**
	* Reset deserializer for re-use
	*/
	public void reset() {
	val.setLength(0); // Reset string buffer back to zero
	attributeMap = null; // Remove attribute map
	isNil = false; // Don't know if nil
	isEnded = false; // Indicate the end of element not yet called
	}

	/**
	* The Factory calls setConstructor.
	*/
	public void setConstructor(Constructor c)
	{
	constructor = c;
	}

	/**
	* There should not be nested elements, so thow and exception if this occurs.
	*/
	public SOAPHandler onStartChild(String namespace,
	String localName,
	String prefix,
	Attributes attributes,
	DeserializationContext context)
	throws SAXException
	{
	throw new SAXException(
	Messages.getMessage("cantHandle00", "SimpleDeserializer"));
	}

	/**
	* Append any characters received to the value. This method is defined
	* by Deserializer.
	*/
	public void characters(char [] chars, int start, int end)
	throws SAXException
	{
	val.append(chars, start, end);
	}

	/**
	* Append any characters to the value. This method is defined by
	* Deserializer.
	*/
	public void onEndElement(String namespace, String localName,
	DeserializationContext context)
	throws SAXException
	{
	if (isNil \|\| val == null) {
	value = null;
	return;
	}
	try {
	value = makeValue(val.toString());
	} catch (InvocationTargetException ite) {
	Throwable realException = ite.getTargetException();
	if (realException instanceof Exception)
	throw new SAXException((Exception)realException);
	else
	throw new SAXException(ite.getMessage());
	} catch (Exception e) {
	throw new SAXException(e);
	}

	// If this is a SimpleType, set attributes we have stashed away
	setSimpleTypeAttributes();
	}

	/**
	* Convert the string that has been accumulated into an Object. Subclasses
	* may override this.
	* @param source the serialized value to be deserialized
	* @throws Exception any exception thrown by this method will be wrapped
	*/
	public Object makeValue(String source) throws Exception
	{
	// According to XML Schema Spec Part 0: Primer 2.3.1 - white space delimitor
	StringTokenizer tokenizer = new StringTokenizer(source.trim());
	int length = tokenizer.countTokens();
	Object list = Array.newInstance(javaType, length);
	for (int i = 0; i < length; i++) {
	String token = tokenizer.nextToken();
	Array.set(list, i, makeUnitValue(token));
	}
	return list;
	}

	private Object makeUnitValue(String source) throws Exception
	{
	// If the javaType is a boolean, except a number of different sources
	if (javaType == boolean.class \|\| javaType == Boolean.class) {
	// This is a pretty lame test, but it is what the previous code did.
	switch (source.charAt(0)) {
	case '0': case 'f': case 'F':
	return Boolean.FALSE;

	case '1': case 't': case 'T':
	return Boolean.TRUE;

	default:
	throw new NumberFormatException(
	Messages.getMessage("badBool00"));
	}

	}

	// If expecting a Float or a Double, need to accept some special cases.
	if (javaType == float.class \|\|
	javaType == java.lang.Float.class) {
	if (source.equals("NaN")) {
	return new Float(Float.NaN);
	} else if (source.equals("INF")) {
	return new Float(Float.POSITIVE_INFINITY);
	} else if (source.equals("-INF")) {
	return new Float(Float.NEGATIVE_INFINITY);
	}
	}
	if (javaType == double.class \|\|
	javaType == java.lang.Double.class) {
	if (source.equals("NaN")) {
	return new Double(Double.NaN);
	} else if (source.equals("INF")) {
	return new Double(Double.POSITIVE_INFINITY);
	} else if (source.equals("-INF")) {
	return new Double(Double.NEGATIVE_INFINITY);
	}
	}
	if (javaType == QName.class) {
	int colon = source.lastIndexOf(":");
	String namespace = colon < 0 ? "" :
	context.getNamespaceURI(source.substring(0, colon));
	String localPart = colon < 0 ? source :
	source.substring(colon + 1);
	return new QName(namespace, localPart);
	}

	return constructor.newInstance(new Object [] { source });
	}
	/**
	* Set the bean properties that correspond to element attributes.
	*
	* This method is invoked after startElement when the element requires
	* deserialization (i.e. the element is not an href and the value is not nil.)
	* @param namespace is the namespace of the element
	* @param localName is the name of the element
	* @param prefix is the prefix of the element
	* @param attributes are the attributes on the element...used to get the type
	* @param context is the DeserializationContext
	*/
	public void onStartElement(String namespace, String localName,
	String prefix, Attributes attributes,
	DeserializationContext context)
	throws SAXException
	{

	this.context = context;

	// If we have no metadata, we have no attributes. Q.E.D.
	if (typeDesc == null)
	return;

	// loop through the attributes and set bean properties that
	// correspond to attributes
	for (int i=0; i < attributes.getLength(); i++) {
	QName attrQName = new QName(attributes.getURI(i),
	attributes.getLocalName(i));
	String fieldName = typeDesc.getFieldNameForAttribute(attrQName);
	if (fieldName == null)
	continue;

	// look for the attribute property
	BeanPropertyDescriptor bpd =
	(BeanPropertyDescriptor) propertyMap.get(fieldName);
	if (bpd != null) {
	if (!bpd.isWriteable() \|\| bpd.isIndexed() ) continue ;

	// determine the QName for this child element
	TypeMapping tm = context.getTypeMapping();
	Class type = bpd.getType();
	QName qn = tm.getTypeQName(type);
	if (qn == null)
	throw new SAXException(
	Messages.getMessage("unregistered00", type.toString()));

	// get the deserializer
	Deserializer dSer = context.getDeserializerForType(qn);
	if (dSer == null)
	throw new SAXException(
	Messages.getMessage("noDeser00", type.toString()));
	if (! (dSer instanceof SimpleListDeserializer))
	throw new SAXException(
	Messages.getMessage("AttrNotSimpleType00",
	bpd.getName(),
	type.toString()));

	// Success! Create an object from the string and save
	// it in our attribute map for later.
	if (attributeMap == null) {
	attributeMap = new HashMap();
	}
	try {
	Object val = ((SimpleListDeserializer)dSer).
	makeValue(attributes.getValue(i));
	attributeMap.put(fieldName, val);
	} catch (Exception e) {
	throw new SAXException(e);
	}
	} // if
	} // attribute loop
	} // onStartElement

	/**
	* Process any attributes we may have encountered (in onStartElement)
	*/
	private void setSimpleTypeAttributes() throws SAXException {
	// if this isn't a simpleType bean, wont have attributes
	if (! SimpleType.class.isAssignableFrom(javaType) \|\|
	attributeMap == null)
	return;

	// loop through map
	Set entries = attributeMap.entrySet();
	for (Iterator iterator = entries.iterator(); iterator.hasNext();) {
	Map.Entry entry = (Map.Entry) iterator.next();
	String name = (String) entry.getKey();
	Object val = entry.getValue();

	BeanPropertyDescriptor bpd =
	(BeanPropertyDescriptor) propertyMap.get(name);
	if (!bpd.isWriteable() \|\| bpd.isIndexed()) continue;
	try {
	bpd.set(value, val );
	} catch (Exception e) {
	throw new SAXException(e);
	}
	}
	}

	}