org.jibx.binding.def
Class ObjectBinding

java.lang.Object
  org.jibx.binding.def.PassThroughComponent
      org.jibx.binding.def.ObjectBinding

All Implemented Interfaces:

IComponent, IContextObj, ILinkable, ITypeBinding

public class ObjectBinding
extends PassThroughComponent
implements IComponent, IContextObj

Binding modifiers that apply to a class reference. This adds the methods used for handling binding operations to the object class (or a helper class), then generates calls to the added methods as this binding definition is used.

Author:

Dennis M. Sosnoski

Field Summary

Fields inherited from class org.jibx.binding.def.PassThroughComponent

m_component

Constructor Summary

ObjectBinding(IContainer contain, IContextObj objc, String type, String fact, String pres, String posts, String pget, String ctype)
Constructor.

Method Summary

void	genAttributeMarshal(ContextMethodBuilder mb) Generate attribute marshalling code.
void	genAttributeUnmarshal(ContextMethodBuilder mb) Generate attribute unmarshalling code.
void	genAttrPresentTest(ContextMethodBuilder mb) Generate code to test for attribute present.
void	genContentMarshal(ContextMethodBuilder mb) Generate element or text marshalling code.
void	genContentPresentTest(ContextMethodBuilder mb) Generate code to test for content present.
void	genContentUnmarshal(ContextMethodBuilder mb) Generate element or text unmarshalling code.
void	genLoadId(ContextMethodBuilder mb) Generate code to load ID value of instance to stack.
void	genNewInstance(ContextMethodBuilder mb) Generate code to create new instance of object.
String	getAttributeMarshalMethod() Get the method which marshals attributes from an instance.
String	getAttributePresentTestMethod() Get the method which checks attributes to determine if an instance is present.
String	getAttributeUnmarshalMethod() Get the method which unmarshals attributes into an instance.
BoundClass	getBoundClass() Get class linked to binding element.
String	getCompleteMethod() Get the method which handles unmarshalling completion.
String	getContentMarshalMethod() Get the method which marshals child elements and character data content from an instance.
String	getContentPresentTestMethod() Get the method which checks child elements to determine if an instance is present.
String	getContentUnmarshalMethod() Get the method which unmarshals child elements and character data content into an instance.
String	getCreateMethod() Get the method which creates an instance of the bound class if one does not already exist.
String	getPrepareMethod() Get the method which handles preparation for marshalling an instance.
String	getType() Get type expected by component.
boolean	hasContent() Check if component defines one or more elements or text values as children of the containing element.
boolean	hasId() Check if component defines an ID value for instances of context object.
boolean	isOptional() Check if component is an optional item.
void	print(int depth)
boolean	setIdChild(IComponent child) Set ID property.
void	setLinkages() Establish and validate linkages between binding components.

Methods inherited from class org.jibx.binding.def.PassThroughComponent

getWrapperName, hasAttribute, setWrappedComponent

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.jibx.binding.def.IComponent

getWrapperName, hasAttribute

Constructor Detail

ObjectBinding

public ObjectBinding(IContainer contain,
                     IContextObj objc,
                     String type,
                     String fact,
                     String pres,
                     String posts,
                     String pget,
                     String ctype)
              throws JiBXException

Constructor. This initializes the definition context to be the same as the parent's. Subclasses may change this definition context if appropriate.

Parameters:

contain - containing binding definition component

objc - current object context

type - fully qualified class name for bound object

fact - user new instance factory method

pres - user preset method for unmarshalling

posts - user postset method for unmarshalling

pget - user preget method for marshalling

ctype - type to use for creating new instance (null if not specified)

Throws:

JiBXException - if method not found

Method Detail

getBoundClass

public BoundClass getBoundClass()

Description copied from interface: IContextObj

Get class linked to binding element.

Specified by:

getBoundClass in interface IContextObj

Returns:

information for class linked by binding

setIdChild

public boolean setIdChild(IComponent child)

Description copied from interface: IContextObj

Set ID property. Tells the parent binding element that a particular child defines an ID property for the class linked to the parent.

Specified by:

setIdChild in interface IContextObj

Parameters:

child - child defining the ID property

Returns:

true if successful, false if ID already defined

isOptional

public boolean isOptional()

Description copied from interface: IComponent

Check if component is an optional item.

Specified by:

isOptional in interface IComponent

Overrides:

isOptional in class PassThroughComponent

Returns:

true if optional, false if required

hasContent

public boolean hasContent()

Description copied from interface: IComponent

Check if component defines one or more elements or text values as children of the containing element. This method is only valid after the call to ILinkable.setLinkages().

Specified by:

hasContent in interface IComponent

Overrides:

hasContent in class PassThroughComponent

Returns:

true if one or more content values defined for containing element, false if not

genAttrPresentTest

public void genAttrPresentTest(ContextMethodBuilder mb)
                        throws JiBXException

Description copied from interface: IComponent

Generate code to test for attribute present. This generates code that tests if a child is present as determined by attributes of the containing start tag. It leaves the result of the test (zero if missing, nonzero if present) on the stack. This call is only valid if this component has one or more attributes for the containing element.

Specified by:

genAttrPresentTest in interface IComponent

Overrides:

genAttrPresentTest in class PassThroughComponent

Parameters:

mb - method builder

Throws:

JiBXException - if configuration error

genContentPresentTest

public void genContentPresentTest(ContextMethodBuilder mb)
                           throws JiBXException

Description copied from interface: IComponent

Generate code to test for content present. This generates code that tests if a required element is present, leaving the result of the test (zero if missing, nonzero if present) on the stack. This call is only valid if this component has one or more content components for the containing element.

Specified by:

genContentPresentTest in interface IComponent

Overrides:

genContentPresentTest in class PassThroughComponent

Parameters:

mb - method builder

Throws:

JiBXException - if configuration error

genAttributeUnmarshal

public void genAttributeUnmarshal(ContextMethodBuilder mb)
                           throws JiBXException

Description copied from interface: IComponent

Generate attribute unmarshalling code. This is called within the code generation for the unmarshaller of the class associated with the containing element. It needs to generate the necessary code for handling the unmarshalling operation, leaving the unmarshalled object reference on the stack.

Specified by:

genAttributeUnmarshal in interface IComponent

Overrides:

genAttributeUnmarshal in class PassThroughComponent

Parameters:

mb - method builder

Throws:

JiBXException - if error in configuration

genAttributeMarshal

public void genAttributeMarshal(ContextMethodBuilder mb)
                         throws JiBXException

Description copied from interface: IComponent

Generate attribute marshalling code. This is called within the code generation for the marshaller of the class associated with the containing element. It needs to generate the necessary code for handling the marshalling operation, consuming the marshalled object reference from the stack.

Specified by:

genAttributeMarshal in interface IComponent

Overrides:

genAttributeMarshal in class PassThroughComponent

Parameters:

mb - method builder

Throws:

JiBXException - if error in configuration

genContentUnmarshal

public void genContentUnmarshal(ContextMethodBuilder mb)
                         throws JiBXException

Description copied from interface: IComponent

Generate element or text unmarshalling code. This is called within the code generation for the unmarshaller of the class associated with the containing element. It needs to generate the necessary code for handling the unmarshalling operation, leaving the unmarshalled object reference on the stack.

Specified by:

genContentUnmarshal in interface IComponent

Overrides:

genContentUnmarshal in class PassThroughComponent

Parameters:

mb - method builder

Throws:

JiBXException - if error in configuration

genContentMarshal

public void genContentMarshal(ContextMethodBuilder mb)
                       throws JiBXException

Description copied from interface: IComponent

Generate element or text marshalling code. This is called within the code generation for the marshaller of the class associated with the containing element. It needs to generate the necessary code for handling the marshalling operation, consuming the marshalled object reference from the stack.

Specified by:

genContentMarshal in interface IComponent

Overrides:

genContentMarshal in class PassThroughComponent

Parameters:

mb - method builder

Throws:

JiBXException - if error in configuration

genNewInstance

public void genNewInstance(ContextMethodBuilder mb)
                    throws JiBXException

Description copied from interface: IComponent

Generate code to create new instance of object. This is called within the code generation for the unmarshaller of the class associated with the containing element. It needs to generate the necessary code for creating an instance of the object to be unmarshalled, leaving the object reference on the stack.

Specified by:

genNewInstance in interface IComponent

Overrides:

genNewInstance in class PassThroughComponent

Parameters:

mb - method builder

Throws:

JiBXException - if error in configuration

getType

public String getType()

Description copied from interface: IComponent

Get type expected by component.

Specified by:

getType in interface IComponent

Overrides:

getType in class PassThroughComponent

Returns:

fully qualified class name of expected type

hasId

public boolean hasId()

Description copied from interface: IComponent

Check if component defines an ID value for instances of context object.

Specified by:

hasId in interface IComponent

Overrides:

hasId in class PassThroughComponent

Returns:

true if ID value defined for instances, false if not

genLoadId

public void genLoadId(ContextMethodBuilder mb)
               throws JiBXException

Description copied from interface: IComponent

Generate code to load ID value of instance to stack. The generated code should assume that the top of the stack is the reference for the containing object. It must consume this and leave the actual ID value on the stack (as a String).

Specified by:

genLoadId in interface IComponent

Overrides:

genLoadId in class PassThroughComponent

Parameters:

mb - method builder

Throws:

JiBXException - if configuration error

setLinkages

public void setLinkages()
                 throws JiBXException

Description copied from interface: ILinkable

Establish and validate linkages between binding components. This is called after the basic binding structures have been set up. All linkages between components must be resolved by this method, in order to prevent problems due to the order of definitions between components. This implies that each component must in turn call the same method for each child component. None of the other method calls defined by this interface are valid until after this call.

Specified by:

setLinkages in interface ILinkable

Overrides:

setLinkages in class PassThroughComponent

Throws:

JiBXException - if error in configuration

getAttributeMarshalMethod

public String getAttributeMarshalMethod()
                                 throws JiBXException

Description copied from interface: ITypeBinding

Get the method which marshals attributes from an instance. This method takes a reference to the bound type as the first parameter and the unmarshalling context as the second parameter. There is no return value from the method.

Specified by:

getAttributeMarshalMethod in interface ITypeBinding

Returns:

attribute marshal method, or null if none

Throws:

JiBXException - on error in code generation

getAttributePresentTestMethod

public String getAttributePresentTestMethod()
                                     throws JiBXException

Description copied from interface: ITypeBinding

Get the method which checks attributes to determine if an instance is present. This method takes the unmarshalling context as the only parameter. It returns true if an attribute of the mapping is found, false if not.

Specified by:

getAttributePresentTestMethod in interface ITypeBinding

Returns:

test method, or null if none

Throws:

JiBXException - on error in code generation

getAttributeUnmarshalMethod

public String getAttributeUnmarshalMethod()
                                   throws JiBXException

Description copied from interface: ITypeBinding

Get the method which unmarshals attributes into an instance. This method takes a reference to the bound type as the first parameter and the unmarshalling context as the second parameter. The return value is the unmarshalled instance, which may not be the same instance as was passed as a parameter.

Specified by:

getAttributeUnmarshalMethod in interface ITypeBinding

Returns:

attribute unmarshal method, or null if none

Throws:

JiBXException - on error in code generation

getCompleteMethod

public String getCompleteMethod()
                         throws JiBXException

Description copied from interface: ITypeBinding

Get the method which handles unmarshalling completion. This method takes a reference to the bound type as the first parameter and the unmarshalling context as the second parameter. There is no return value from the method.

Specified by:

getCompleteMethod in interface ITypeBinding

Returns:

complete method, or null if none

Throws:

JiBXException - on error in code generation

getContentMarshalMethod

public String getContentMarshalMethod()
                               throws JiBXException

Description copied from interface: ITypeBinding

Get the method which marshals child elements and character data content from an instance. This method takes a reference to the bound type as the first parameter and the unmarshalling context as the second parameter. There is no return value from the method.

Specified by:

getContentMarshalMethod in interface ITypeBinding

Returns:

content marshal method, or null if none

Throws:

JiBXException - on error in code generation

getContentPresentTestMethod

public String getContentPresentTestMethod()
                                   throws JiBXException

Description copied from interface: ITypeBinding

Get the method which checks child elements to determine if an instance is present. This method takes the unmarshalling context as the only parameter. It returns true if an attribute of the mapping is found, false if not.

Specified by:

getContentPresentTestMethod in interface ITypeBinding

Returns:

content test method, or null if none

Throws:

JiBXException - on error in code generation

getContentUnmarshalMethod

public String getContentUnmarshalMethod()
                                 throws JiBXException

Description copied from interface: ITypeBinding

Get the method which unmarshals child elements and character data content into an instance. This method takes a reference to the bound type as the first parameter and the unmarshalling context as the second parameter. There is no return value from the method. The return value is the unmarshalled instance, which may not be the same instance as was passed as a parameter.

Specified by:

getContentUnmarshalMethod in interface ITypeBinding

Returns:

content unmarshal method, or null if none

Throws:

JiBXException - on error in code generation

getCreateMethod

public String getCreateMethod()
                       throws JiBXException

Description copied from interface: ITypeBinding

Get the method which creates an instance of the bound class if one does not already exist. This method takes a reference to the bound type as the first parameter and the unmarshalling context as the second parameter. If the passed reference is non-null that reference will simply be returned; otherwise, a new instance will be created and returned. This method also handles any appropriate pre-set processing for the instance.

Specified by:

getCreateMethod in interface ITypeBinding

Returns:

create method, or null if none

Throws:

JiBXException - on error in code generation

getPrepareMethod

public String getPrepareMethod()
                        throws JiBXException

Description copied from interface: ITypeBinding

Get the method which handles preparation for marshalling an instance. This method takes a reference to the bound type as the first parameter and the unmarshalling context as the second parameter. There is no return value from the method.

Specified by:

getPrepareMethod in interface ITypeBinding

Returns:

prepare method, or null if none

Throws:

JiBXException - on error in code generation

print

public void print(int depth)

Specified by:

print in interface IComponent

Overrides:

print in class PassThroughComponent