gate.creole
Class Parameter

java.lang.Object
  gate.creole.Parameter

All Implemented Interfaces:

Serializable

public class Parameter
extends Object
implements Serializable

Models a resource parameter.

See Also:

Serialized Form

Field Summary

protected URL	baseURL The URL to the creole.xml file that defines the resource this parameter belongs to.
protected Class	paramClass The Class for the parameter type
protected ResourceData	resData The resource data that this parameter is part of.

Constructor Summary

Parameter(URL baseUrl)
Constructor

Method Summary

Object	calculateDefaultValue() Calculate and return the default value for this parameter
Object	calculateValueFromString(String stringValue) Calculate and return the value for this parameter starting from a String
String	getComment() Get the comment for this parameter
Object	getDefaultValue() Get the default value for this parameter.
String	getDefaultValueString() Get the default value string (unprocessed, from the metadata) for the parameter
String	getItemClassName() If this parameter is a List type this will return the type of the items in the list.
String	getName() Get the name for this parameter
protected Class	getParameterClass() Find the class for this parameter type.
Set	getSuffixes() Get the suffixes atached with this param.
String	getTypeName() Get the type name for this parameter
boolean	isOptional() Is the parameter optional?
boolean	isRuntime() Is the parameter runtime?
void	setComment(String comment) Set the comment for this parameter
void	setDefaultValueString(String defaultValueString) Set the default value string (from the metadata) for the parameter
void	setName(String name) Set the name for this parameter
void	setOptional(boolean optional) Set optionality of this parameter
void	setRuntime(boolean runtime) Set runtime status of this parameter
void	setTypeName(String typeName) Set the type name for this parameter
String	toString() String representation

Methods inherited from class java.lang.Object

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

Field Detail

resData

protected ResourceData resData

The resource data that this parameter is part of.

baseURL

protected URL baseURL

The URL to the creole.xml file that defines the resource this parameter belongs to. It is used for deriving default values for parameters of type URL.

paramClass

protected Class paramClass

The Class for the parameter type

Constructor Detail

Parameter

public Parameter(URL baseUrl)

Constructor

Parameters:

baseUrl - the URL to the creole.xml file that defines the resource this parameter belongs to. This will be used a context when deriving default values for the parameters of type URL.

Method Detail

setTypeName

public void setTypeName(String typeName)

Set the type name for this parameter

getTypeName

public String getTypeName()

Get the type name for this parameter

setOptional

public void setOptional(boolean optional)

Set optionality of this parameter

isOptional

public boolean isOptional()

Is the parameter optional?

calculateDefaultValue

public Object calculateDefaultValue()
                             throws ParameterException

Calculate and return the default value for this parameter

Throws:

ParameterException

calculateValueFromString

public Object calculateValueFromString(String stringValue)
                                throws ParameterException

Calculate and return the value for this parameter starting from a String

Throws:

ParameterException

getDefaultValue

public Object getDefaultValue()
                       throws ParameterException

Get the default value for this parameter. If the value is currently null it will try and calculate a value.

Throws:

ParameterException

See Also:

calculateDefaultValue()

setDefaultValueString

public void setDefaultValueString(String defaultValueString)

Set the default value string (from the metadata) for the parameter

getDefaultValueString

public String getDefaultValueString()

Get the default value string (unprocessed, from the metadata) for the parameter

setComment

public void setComment(String comment)

Set the comment for this parameter

getComment

public String getComment()

Get the comment for this parameter

setName

public void setName(String name)

Set the name for this parameter

getName

public String getName()

Get the name for this parameter

getSuffixes

public Set getSuffixes()

Get the suffixes atached with this param. If it's null then there are no suffices attached with it

setRuntime

public void setRuntime(boolean runtime)

Set runtime status of this parameter

isRuntime

public boolean isRuntime()

Is the parameter runtime?

getParameterClass

protected Class getParameterClass()
                           throws ParameterException

Find the class for this parameter type.

Throws:

ParameterException

toString

public String toString()

String representation

Overrides:

toString in class Object

getItemClassName

public String getItemClassName()

If this parameter is a List type this will return the type of the items in the list. If the type is null String will be assumed.