: Class Attribute

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## org.w3c.tools.resources
Class Attribute

    java.lang.Object
      |
      +--org.w3c.tools.resources.Attribute

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.

### EDITABLE

    public static final int EDITABLE

  Flag value - This attribute is editable.

### MANDATORY

    public static final int MANDATORY

  Flag value - This attribute is mandatory.

### DONTSAVE

    public static final int DONTSAVE

  Flag value - This attribute shouldn't be saved.

### 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)

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