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Java Source Code / Java Documentation » Workflow Engines » spring webflow 1.0.4 » org.springframework.webflow.engine.support

Source Cross Reference

Class Diagram

Java Document (Java Doc)

java.lang .Object

org.springframework.webflow.engine.support .AbstractFlowAttributeMapper

org.springframework.webflow.engine.support .ConfigurableFlowAttributeMapper

ConfigurableFlowAttributeMapper

public class ConfigurableFlowAttributeMapper extends AbstractFlowAttributeMapper implements Serializable(Code)

Generic flow attribute mapper implementation that allows mappings to be configured in a declarative fashion.

Two types of mappings may be configured, input mappings and output mappings:

Input mappings define the rules for mapping attributes in a parent flow to a spawning subflow.
Output mappings define the rules for mapping attributes returned from an ended subflow into the resuming parent.

The mappings defined using the configuration properties fully support bean property access. So an entry name in a mapping can either be "beanName" or "beanName.propName". Nested property values are also supported ("beanName.propName.nestedPropName"). When the from mapping string is enclosed in "${...}", it will be interpreted as an expression that will be evaluated against the flow execution request context.
See Also:   org.springframework.webflow.execution.RequestContext
author:
   Erwin Vervaet
author:
   Keith Donald
author:
   Colin Sampaleanu

Method Summary
public ConfigurableFlowAttributeMapper	addInputAttribute(String attributeName) Adds an input mapping that maps a single attribute in parent flow scope into the subflow input map.
public void	addInputAttributes(String[] attributeNames) Adds a collection of input mappings that map attributes in parent flow scope into the subflow input map.
public ConfigurableFlowAttributeMapper	addInputMapping(AttributeMapper inputMapping) Adds a new input mapping.
public void	addInputMappings(AttributeMapper[] inputMappings) Adds a collection of input mappings.
public ConfigurableFlowAttributeMapper	addOutputAttribute(String attributeName) Adds an output mapping that maps a single subflow output attribute into the flow scope of the resuming parent flow.
public void	addOutputAttributes(String[] attributeNames) Adds a collection of output mappings that map subflow output attributes into the scope of the resuming parent flow.
public ConfigurableFlowAttributeMapper	addOutputMapping(AttributeMapper outputMapping) Adds a new output mapping.
public void	addOutputMappings(AttributeMapper[] outputMappings) Adds a collection of output mappings.
protected ExpressionParser	getExpressionParser() Returns the configured expression parser.
protected AttributeMapper	getInputMapper()
public AttributeMapper[]	getInputMappings() Returns a typed-array of configured input mappings.
protected AttributeMapper	getOutputMapper()
public AttributeMapper[]	getOutputMappings() Returns a typed-array of configured output mappings.
public void	setExpressionParser(ExpressionParser expressionParser) Set the expression parser responsible for parsing expression strings into evaluatable expression objects.
public String	toString()

Method Detail

addInputAttribute
public ConfigurableFlowAttributeMapper addInputAttribute(String attributeName)(Code)
	Adds an input mapping that maps a single attribute in parent flow scope into the subflow input map. For instance: "x" will result in the "x" attribute in parent flow scope being mapped into the subflow input map as "x". Parameters: attributeName - the attribute in flow scope to map into the subflow this, to support call chaining

addInputAttributes
public void addInputAttributes(String[] attributeNames)(Code)
	Adds a collection of input mappings that map attributes in parent flow scope into the subflow input map. For instance: "x" will result in the "x" attribute in parent flow scope being mapped into the subflow input map as "x". Parameters: attributeNames - the attributes in flow scope to map into thesubflow

addInputMapping
public ConfigurableFlowAttributeMapper addInputMapping(AttributeMapper inputMapping)(Code)
	Adds a new input mapping. Use when you need full control over defining how a subflow input attribute mapping will be perfomed. Parameters: inputMapping - the input mapping this, to support call chaining

addInputMappings
public void addInputMappings(AttributeMapper[] inputMappings)(Code)
	Adds a collection of input mappings. Use when you need full control over defining how a subflow input attribute mapping will be perfomed. Parameters: inputMappings - the input mappings

addOutputAttribute
public ConfigurableFlowAttributeMapper addOutputAttribute(String attributeName)(Code)
	Adds an output mapping that maps a single subflow output attribute into the flow scope of the resuming parent flow. For instance: "y" will result in the "y" attribute of the subflow output map being mapped into the flowscope of the resuming parent flow as "y". Parameters: attributeName - the subflow output attribute to map into the parentflow scope this, to support call chaining

addOutputAttributes
public void addOutputAttributes(String[] attributeNames)(Code)
	Adds a collection of output mappings that map subflow output attributes into the scope of the resuming parent flow. For instance: "y" will result in the "y" attribute of the subflow output map being mapped into the flowscope of the resuming parent flow as "y". Parameters: attributeNames - the subflow output attributes to map into theparent flow

addOutputMapping
public ConfigurableFlowAttributeMapper addOutputMapping(AttributeMapper outputMapping)(Code)
	Adds a new output mapping. Use when you need full control over defining how a subflow output attribute mapping will be perfomed. Parameters: outputMapping - the output mapping this, to support call chaining

addOutputMappings
public void addOutputMappings(AttributeMapper[] outputMappings)(Code)
	Adds a collection of output mappings. Use when you need full control over defining how a subflow output attribute mapping will be perfomed. Parameters: outputMappings - the output mappings

getExpressionParser
protected ExpressionParser getExpressionParser()(Code)
	Returns the configured expression parser. Can be used by subclasses that build mappings.

getInputMapper
protected AttributeMapper getInputMapper()(Code)

getInputMappings
public AttributeMapper[] getInputMappings()(Code)
	Returns a typed-array of configured input mappings. the configured input mappings

getOutputMapper
protected AttributeMapper getOutputMapper()(Code)

getOutputMappings
public AttributeMapper[] getOutputMappings()(Code)
	Returns a typed-array of configured output mappings. the configured output mappings

setExpressionParser
public void setExpressionParser(ExpressionParser expressionParser)(Code)
	Set the expression parser responsible for parsing expression strings into evaluatable expression objects.

toString
public String toString()(Code)

Methods inherited from org.springframework.webflow.engine.support.AbstractFlowAttributeMapper

public MutableAttributeMap createFlowInput(RequestContext context)(Code)(Java Doc)
abstract protected AttributeMapper getInputMapper()(Code)(Java Doc)
protected MappingContext getMappingContext(RequestContext context)(Code)(Java Doc)
abstract protected AttributeMapper getOutputMapper()(Code)(Java Doc)
public void mapFlowOutput(AttributeMap subflowOutput, RequestContext context)(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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