org.w3c.tools.resources
Class Attribute

java.lang.Object
  org.w3c.tools.resources.Attribute

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

ArrayAttribute, FrameArrayAttribute, ObjectAttribute, SimpleAttribute

public abstract class Attribute
extends java.lang.Object
implements java.io.Serializable

Instances of this class describe an attribute of a resource.

See Also:

Serialized Form

Field Summary

static int	COMPUTED Flags value - This attribute is computed from the resource state.
static int	DONTSAVE Flag value - This attribute shouldn't be saved.
static int	EDITABLE Flag value - This attribute is editable.
protected int	flags The associated flags (see the predefined flags).
static int	MANDATORY Flag value - This attribute is mandatory.
protected java.lang.String	name The attribute name.
protected java.lang.String	type The attribute's value type, as the name of its class.

Constructor Summary

Attribute()
Empty contructor, (cls.newInstance())

Attribute(java.lang.String name, java.lang.Object def, int flags)
Private constructore to create a new resource attribute description.

Method Summary

boolean	checkFlag(int tst) Check some flag on this attribute description.
abstract boolean	checkValue(java.lang.Object value) Is the provided object a suitable value for this attribute ? If so, store it into the given store.
java.lang.Object	getDefault() Get this attribute default value.
java.lang.String	getFlag()
java.lang.String	getName() Get this attribute name.
java.lang.String	getType() Get this attribute type.
void	setFlag(java.lang.String flag)
void	setName(java.lang.String name) set the attribute name.
abstract java.lang.String	stringify(java.lang.Object value)

Methods inherited from class java.lang.Object

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

Field Detail

COMPUTED

public static final int COMPUTED

Flags value - This attribute is computed from the resource state.

See Also:

Constant Field Values

EDITABLE

public static final int EDITABLE

Flag value - This attribute is editable.

See Also:

Constant Field Values

MANDATORY

public static final int MANDATORY

Flag value - This attribute is mandatory.

See Also:

Constant Field Values

DONTSAVE

public static final int DONTSAVE

Flag value - This attribute shouldn't be saved.

See Also:

Constant Field Values

name

protected java.lang.String name

The attribute name.

type

protected java.lang.String type

The attribute's value type, as the name of its class.

flags

protected int flags

The associated flags (see the predefined flags).

Constructor Detail

Attribute

public Attribute(java.lang.String name,
                 java.lang.Object def,
                 int flags)

Private constructore to create a new resource attribute description.

Parameters:

name - The name of the attribute.

def - Its default value.

flags - Its associated flags.

Attribute

public Attribute()

Empty contructor, (cls.newInstance())

Method Detail

getFlag

public java.lang.String getFlag()

setFlag

public void setFlag(java.lang.String flag)

getName

public java.lang.String getName()

Get this attribute name.

Returns:

A String giving the attribute name.

setName

public void setName(java.lang.String name)

set the attribute name.

Parameters:

name - the attribute name.

getType

public java.lang.String getType()

Get this attribute type.

checkFlag

public boolean checkFlag(int tst)

Check some flag on this attribute description.

getDefault

public java.lang.Object getDefault()

Get this attribute default value.

Returns:

A default value for this attribute (may be null).

checkValue

public abstract boolean checkValue(java.lang.Object value)

Is the provided object a suitable value for this attribute ? If so, store it into the given store.

Parameters:

value - The value to check.

store - The array to store the value to if succeed.

idx - The location in the above array.

Returns:

A boolean true if this object can be used as a value for this attribute.

Throws:

IllegalAttributeAccess - If the provided value doesn't match the expected type.

stringify

public abstract java.lang.String stringify(java.lang.Object value)