org.apache.axis.encoding
Class SerializationContext

java.lang.Object
  extended byorg.apache.axis.encoding.SerializationContext
All Implemented Interfaces:
SerializationContext
Direct Known Subclasses:
AttributeSerializationContextImpl, TextSerializationContext

public class SerializationContext
extends java.lang.Object
implements SerializationContext

Manage a serialization, including keeping track of namespace mappings and element stacks.

Author:
Glen Daniels (gdaniels@apache.org), Rich Scheuerle

Field Summary
protected static org.apache.commons.logging.Log log
           
protected  boolean startOfDocument
          The flag whether the XML decl should be written
 
Constructor Summary
SerializationContext(java.io.Writer writer)
          Construct SerializationContext with associated writer
SerializationContext(java.io.Writer writer, MessageContext msgContext)
          Construct SerializationContext with associated writer and MessageContext
 
Method Summary
 java.lang.String attributeQName2String(QName qName)
          Convert attribute QName to a string of the form : There are slightly different rules for attributes: - There is no default namespace - any attribute in a namespace must have a prefix
 void endElement()
          Writes the end element tag for the open element.
 Message getCurrentMessage()
          Return the current message
 QName getCurrentXMLType()
          Get the currently prefered xmlType
 boolean getDoMultiRefs()
          Are we doing multirefs?
 XMLEncoder getEncoder()
           
 java.lang.String getEncoding()
          get the encoding for the serialization
 java.lang.String getEncodingStyle()
          Returns this context's encoding style.
 QName getItemQName()
           
 QName getItemType()
           
 MessageContext getMessageContext()
          Get the MessageContext we're operating with
 java.lang.String getPrefixForURI(java.lang.String uri)
          Get a prefix for a namespace URI.
 java.lang.String getPrefixForURI(java.lang.String uri, java.lang.String defaultPrefix)
          Get a prefix for the given namespace URI.
 java.lang.String getPrefixForURI(java.lang.String uri, java.lang.String defaultPrefix, boolean attribute)
          Get a prefix for the given namespace URI.
 boolean getPretty()
          Get whether the serialization should be pretty printed.
 QName getQNameForClass(java.lang.Class cls)
          Get the QName associated with the specified class.
 Serializer getSerializerForJavaType(java.lang.Class javaType)
          Convenience method to get the Serializer for a specific java type
 TypeMapping getTypeMapping()
          Get the TypeMapping we're using.
 TypeMappingRegistry getTypeMappingRegistry()
          Get the TypeMappingRegistry we're using.
 java.lang.String getValueAsString(java.lang.Object value, QName xmlType, java.lang.Class javaClass)
           
 boolean isEncoded()
          Returns whether this context should be encoded or not.
 boolean isPrimitive(java.lang.Object value)
          Indicates whether the object should be interpretted as a primitive for the purposes of multi-ref processing.
 void outputMultiRefs()
          The serialize method uses hrefs to reference all non-primitive values.
 java.lang.String qName2String(QName qName)
           
 java.lang.String qName2String(QName qName, boolean writeNS)
          Convert QName to a string of the form :
 void registerPrefixForURI(java.lang.String prefix, java.lang.String uri)
          Register prefix for the indicated uri
 void serialize(QName elemQName, org.xml.sax.Attributes attributes, java.lang.Object value)
          Serialize the indicated value as an element with the name indicated by elemQName.
 void serialize(QName elemQName, org.xml.sax.Attributes attributes, java.lang.Object value, QName xmlType)
          Deprecated. use serialize(QName, Attributes, Object, QName, Class) instead
 void serialize(QName elemQName, org.xml.sax.Attributes attributes, java.lang.Object value, QName xmlType, boolean sendNull, java.lang.Boolean sendType)
          Deprecated. use serialize(QName, Attributes, Object, QName, Boolean, Boolean) instead.
 void serialize(QName elemQName, org.xml.sax.Attributes attributes, java.lang.Object value, QName xmlType, java.lang.Boolean sendNull, java.lang.Boolean sendType)
          Serialize the indicated value as an element with the name indicated by elemQName.
 void serialize(QName elemQName, org.xml.sax.Attributes attributes, java.lang.Object value, QName xmlType, java.lang.Class javaType)
          Serialize the indicated value as an element with the name indicated by elemQName.
 void serialize(QName elemQName, org.xml.sax.Attributes attributes, java.lang.Object value, QName xmlType, java.lang.Class javaClass, java.lang.Boolean sendNull, java.lang.Boolean sendType)
          Serialize the indicated value as an element with the name indicated by elemQName.
 void setDoMultiRefs(boolean shouldDo)
          Set whether we are doing multirefs
 void setEncoding(java.lang.String encoding)
          set the encoding for the serialization
 void setItemQName(QName itemQName)
           
 void setItemType(QName itemType)
           
 void setPretty(boolean pretty)
          Indicate whether the serialization should be pretty printed.
 void setSendDecl(boolean sendDecl)
          Set whether or not we should write XML declarations.
 org.xml.sax.Attributes setTypeAttribute(org.xml.sax.Attributes attributes, QName type)
          Obtains the type attribute that should be serialized and returns the new list of Attributes
 void setWriteXMLType(QName type)
           
 boolean shouldSendXSIType()
          Get whether or not to write xsi:type attributes.
 void startElement(QName qName, org.xml.sax.Attributes attributes)
          Writes (using the Writer) the start tag for element QName along with the indicated attributes and namespace mappings.
 void writeChars(char[] p1, int p2, int p3)
          Convenience operation to write out (to Writer) the characters in p1 starting at index p2 for length p3.
 void writeDOMElement(org.w3c.dom.Element el)
          Output a DOM representation to a SerializationContext
 void writeSafeString(java.lang.String string)
          Convenience operation to write out (to Writer) the String properly encoded with xml entities (like &)
 void writeString(java.lang.String string)
          Convenience operation to write out (to Writer) the String
 void writeXMLDeclaration()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

log

protected static org.apache.commons.logging.Log log

startOfDocument

protected boolean startOfDocument
The flag whether the XML decl should be written

Constructor Detail

SerializationContext

public SerializationContext(java.io.Writer writer)
Construct SerializationContext with associated writer

Parameters:
writer - java.io.Writer

SerializationContext

public SerializationContext(java.io.Writer writer,
                            MessageContext msgContext)
Construct SerializationContext with associated writer and MessageContext

Parameters:
writer - java.io.Writer
msgContext - is the MessageContext
Method Detail

getPretty

public boolean getPretty()
Get whether the serialization should be pretty printed.

Returns:
true/false

setPretty

public void setPretty(boolean pretty)
Indicate whether the serialization should be pretty printed.

Parameters:
pretty - true/false

getDoMultiRefs

public boolean getDoMultiRefs()
Are we doing multirefs?

Returns:
true or false

setDoMultiRefs

public void setDoMultiRefs(boolean shouldDo)
Set whether we are doing multirefs


setSendDecl

public void setSendDecl(boolean sendDecl)
Set whether or not we should write XML declarations.

Parameters:
sendDecl - true/false

shouldSendXSIType

public boolean shouldSendXSIType()
Get whether or not to write xsi:type attributes.

Returns:
true/false

getTypeMapping

public TypeMapping getTypeMapping()
Get the TypeMapping we're using.

Returns:
TypeMapping or null

getTypeMappingRegistry

public TypeMappingRegistry getTypeMappingRegistry()
Get the TypeMappingRegistry we're using.

Returns:
TypeMapping or null

getPrefixForURI

public java.lang.String getPrefixForURI(java.lang.String uri)
Get a prefix for a namespace URI. This method will ALWAYS return a valid prefix - if the given URI is already mapped in this serialization, we return the previous prefix. If it is not mapped, we will add a new mapping and return a generated prefix of the form "ns".

Parameters:
uri - is the namespace uri
Returns:
prefix

getPrefixForURI

public java.lang.String getPrefixForURI(java.lang.String uri,
                                        java.lang.String defaultPrefix)
Get a prefix for the given namespace URI. If one has already been defined in this serialization, use that. Otherwise, map the passed default prefix to the URI, and return that. If a null default prefix is passed, use one of the form "ns"


getPrefixForURI

public java.lang.String getPrefixForURI(java.lang.String uri,
                                        java.lang.String defaultPrefix,
                                        boolean attribute)
Get a prefix for the given namespace URI. If one has already been defined in this serialization, use that. Otherwise, map the passed default prefix to the URI, and return that. If a null default prefix is passed, use one of the form "ns"


registerPrefixForURI

public void registerPrefixForURI(java.lang.String prefix,
                                 java.lang.String uri)
Register prefix for the indicated uri

Parameters:
prefix -
uri - is the namespace uri

getCurrentMessage

public Message getCurrentMessage()
Return the current message


getMessageContext

public MessageContext getMessageContext()
Get the MessageContext we're operating with


getEncodingStyle

public java.lang.String getEncodingStyle()
Returns this context's encoding style. If we've got a message context then we'll get the style from that; otherwise we'll return a default.

Returns:
a String value

isEncoded

public boolean isEncoded()
Returns whether this context should be encoded or not.

Returns:
a boolean value

qName2String

public java.lang.String qName2String(QName qName,
                                     boolean writeNS)
Convert QName to a string of the form :

Parameters:
qName -
Returns:
prefixed qname representation for serialization.

qName2String

public java.lang.String qName2String(QName qName)

attributeQName2String

public java.lang.String attributeQName2String(QName qName)
Convert attribute QName to a string of the form : There are slightly different rules for attributes: - There is no default namespace - any attribute in a namespace must have a prefix

Parameters:
qName - QName
Returns:
prefixed qname representation for serialization.

getQNameForClass

public QName getQNameForClass(java.lang.Class cls)
Get the QName associated with the specified class.

Parameters:
cls - Class of an object requiring serialization.
Returns:
appropriate QName associated with the class.

isPrimitive

public boolean isPrimitive(java.lang.Object value)
Indicates whether the object should be interpretted as a primitive for the purposes of multi-ref processing. A primitive value is serialized directly instead of using id/href pairs. Thus primitive serialization/deserialization is slightly faster.

Parameters:
value - to be serialized
Returns:
true/false

serialize

public void serialize(QName elemQName,
                      org.xml.sax.Attributes attributes,
                      java.lang.Object value)
               throws java.io.IOException
Serialize the indicated value as an element with the name indicated by elemQName. The attributes are additional attribute to be serialized on the element. The value is the object being serialized. (It may be serialized directly or serialized as an mult-ref'd item) The value is an Object, which may be a wrapped primitive, the javaType is the actual unwrapped object type. xsi:type is set by using the javaType to find an appopriate xmlType from the TypeMappingRegistry. Null values and the xsi:type flag will be sent or not depending on previous configuration of this SerializationContext.

Parameters:
elemQName - is the QName of the element
attributes - are additional attributes
value - is the object to serialize
Throws:
java.io.IOException

serialize

public void serialize(QName elemQName,
                      org.xml.sax.Attributes attributes,
                      java.lang.Object value,
                      QName xmlType)
               throws java.io.IOException
Deprecated. use serialize(QName, Attributes, Object, QName, Class) instead

Serialize the indicated value as an element with the name indicated by elemQName. The attributes are additional attribute to be serialized on the element. The value is the object being serialized. (It may be serialized directly or serialized as an mult-ref'd item) The value is an Object, which may be a wrapped primitive, the javaType is the actual unwrapped object type. The xmlType is the QName of the type that is used to set xsi:type. If not specified, xsi:type is set by using the javaType to find an appopriate xmlType from the TypeMappingRegistry. Null values and the xsi:type flag will be sent or not depending on previous configuration of this SerializationContext.

Parameters:
elemQName - is the QName of the element
attributes - are additional attributes
value - is the object to serialize
xmlType - is the qname of the type or null.
Throws:
java.io.IOException

serialize

public void serialize(QName elemQName,
                      org.xml.sax.Attributes attributes,
                      java.lang.Object value,
                      QName xmlType,
                      java.lang.Class javaType)
               throws java.io.IOException
Serialize the indicated value as an element with the name indicated by elemQName. The attributes are additional attribute to be serialized on the element. The value is the object being serialized. (It may be serialized directly or serialized as an mult-ref'd item) The value is an Object, which may be a wrapped primitive, the javaType is the actual unwrapped object type. The xmlType is the QName of the type that is used to set xsi:type. If not specified, xsi:type is set by using the javaType to find an appopriate xmlType from the TypeMappingRegistry. Null values and the xsi:type flag will be sent or not depending on previous configuration of this SerializationContext.

Parameters:
elemQName - is the QName of the element
attributes - are additional attributes
value - is the object to serialize
xmlType - is the qname of the type or null.
javaType - is the java type of the value
Throws:
java.io.IOException

serialize

public void serialize(QName elemQName,
                      org.xml.sax.Attributes attributes,
                      java.lang.Object value,
                      QName xmlType,
                      boolean sendNull,
                      java.lang.Boolean sendType)
               throws java.io.IOException
Deprecated. use serialize(QName, Attributes, Object, QName, Boolean, Boolean) instead.

Serialize the indicated value as an element with the name indicated by elemQName. The attributes are additional attribute to be serialized on the element. The value is the object being serialized. (It may be serialized directly or serialized as an mult-ref'd item) The value is an Object, which may be a wrapped primitive. The xmlType (if specified) is the QName of the type that is used to set xsi:type. The sendNull flag indicates whether null values should be sent over the wire (default is to send such values with xsi:nil="true"). The sendType flag indicates whether the xsi:type flag should be sent (default is true).

Parameters:
elemQName - is the QName of the element
attributes - are additional attributes
value - is the object to serialize
xmlType - is the qname of the type or null.
sendNull - determines whether to send null values.
sendType - determines whether to set xsi:type attribute.
Throws:
java.io.IOException

serialize

public void serialize(QName elemQName,
                      org.xml.sax.Attributes attributes,
                      java.lang.Object value,
                      QName xmlType,
                      java.lang.Boolean sendNull,
                      java.lang.Boolean sendType)
               throws java.io.IOException
Serialize the indicated value as an element with the name indicated by elemQName. The attributes are additional attribute to be serialized on the element. The value is the object being serialized. (It may be serialized directly or serialized as an mult-ref'd item) The value is an Object, which may be a wrapped primitive. The xmlType (if specified) is the QName of the type that is used to set xsi:type. The sendNull flag indicates whether to end an element with an xsi:nil="true" attribute for null variables (if Boolean.TRUE), or nothing (if Boolean.FALSE). The sendType flag indicates whether the xsi:type flag should be sent (default is true).

Parameters:
elemQName - is the QName of the element
attributes - are additional attributes
value - is the object to serialize
xmlType - is the qname of the type or null.
sendNull - determines whether to send null values.
sendType - determines whether to set xsi:type attribute.
Throws:
java.io.IOException

serialize

public void serialize(QName elemQName,
                      org.xml.sax.Attributes attributes,
                      java.lang.Object value,
                      QName xmlType,
                      java.lang.Class javaClass,
                      java.lang.Boolean sendNull,
                      java.lang.Boolean sendType)
               throws java.io.IOException
Serialize the indicated value as an element with the name indicated by elemQName. The attributes are additional attribute to be serialized on the element. The value is the object being serialized. (It may be serialized directly or serialized as an mult-ref'd item) The value is an Object, which may be a wrapped primitive. The xmlType (if specified) is the QName of the type that is used to set xsi:type. The sendNull flag indicates whether to end an element with an xsi:nil="true" attribute for null variables (if Boolean.TRUE), or nothing (if Boolean.FALSE). The sendType flag indicates whether the xsi:type flag should be sent (default is true).

Parameters:
elemQName - is the QName of the element
attributes - are additional attributes
value - is the object to serialize
xmlType - is the qname of the type or null.
sendNull - determines whether to send null values.
sendType - determines whether to set xsi:type attribute.
Throws:
java.io.IOException

outputMultiRefs

public void outputMultiRefs()
                     throws java.io.IOException
The serialize method uses hrefs to reference all non-primitive values. These values are stored and serialized by calling outputMultiRefs after the serialize method completes.

Throws:
java.io.IOException

writeXMLDeclaration

public void writeXMLDeclaration()
                         throws java.io.IOException
Throws:
java.io.IOException

startElement

public void startElement(QName qName,
                         org.xml.sax.Attributes attributes)
                  throws java.io.IOException
Writes (using the Writer) the start tag for element QName along with the indicated attributes and namespace mappings.

Parameters:
qName - is the name of the element
attributes - are the attributes to write
Throws:
java.io.IOException

endElement

public void endElement()
                throws java.io.IOException
Writes the end element tag for the open element.

Throws:
java.io.IOException

writeChars

public void writeChars(char[] p1,
                       int p2,
                       int p3)
                throws java.io.IOException
Convenience operation to write out (to Writer) the characters in p1 starting at index p2 for length p3.

Parameters:
p1 - character array to write
p2 - starting index in array
p3 - length to write
Throws:
java.io.IOException

writeString

public void writeString(java.lang.String string)
                 throws java.io.IOException
Convenience operation to write out (to Writer) the String

Parameters:
string - is the String to write.
Throws:
java.io.IOException

writeSafeString

public void writeSafeString(java.lang.String string)
                     throws java.io.IOException
Convenience operation to write out (to Writer) the String properly encoded with xml entities (like &)

Parameters:
string - is the String to write.
Throws:
java.io.IOException

writeDOMElement

public void writeDOMElement(org.w3c.dom.Element el)
                     throws java.io.IOException
Output a DOM representation to a SerializationContext

Parameters:
el - is a DOM Element
Throws:
java.io.IOException

getSerializerForJavaType

public final Serializer getSerializerForJavaType(java.lang.Class javaType)
Convenience method to get the Serializer for a specific java type

Parameters:
javaType - is Class for a type to serialize
Returns:
Serializer

setTypeAttribute

public org.xml.sax.Attributes setTypeAttribute(org.xml.sax.Attributes attributes,
                                               QName type)
Obtains the type attribute that should be serialized and returns the new list of Attributes

Parameters:
attributes - of the qname
type - is the qname of the type
Returns:
new list of Attributes

getCurrentXMLType

public QName getCurrentXMLType()
Get the currently prefered xmlType

Returns:
QName of xmlType or null

getValueAsString

public java.lang.String getValueAsString(java.lang.Object value,
                                         QName xmlType,
                                         java.lang.Class javaClass)
                                  throws java.io.IOException
Throws:
java.io.IOException

setWriteXMLType

public void setWriteXMLType(QName type)

getEncoder

public XMLEncoder getEncoder()

getEncoding

public java.lang.String getEncoding()
get the encoding for the serialization

Returns:

setEncoding

public void setEncoding(java.lang.String encoding)
set the encoding for the serialization


getItemQName

public QName getItemQName()

setItemQName

public void setItemQName(QName itemQName)

getItemType

public QName getItemType()

setItemType

public void setItemType(QName itemType)


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