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2005-02-22 David Gilbert <david.gilbert@object-refinery.com> 

* java/awt/font/TransformAttribute.java,
	(TransformAttribute(AffineTransform)): throw
	IllegalArgumentException for null transform.
	(getTransform): return a copy of transform.
	Added doc comments to all.

From-SVN: r95408
This commit is contained in:
David Gilbert 2005-02-22 19:07:40 +00:00 committed by Michael Koch
parent b22dcb1f30
commit 118ca7d014
2 changed files with 44 additions and 9 deletions
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8
libjava/ChangeLog
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@ -1,3 +1,11 @@
2005-02-22 David Gilbert <david.gilbert@object-refinery.com>
* java/awt/font/TransformAttribute.java,
(TransformAttribute(AffineTransform)): throw
IllegalArgumentException for null transform.
(getTransform): return a copy of transform.
Added doc comments to all.
2005-02-22 Jeroen Frijters <jeroen@frijters.net>
* java/io/Externalizable.java,

45
libjava/java/awt/font/TransformAttribute.java
View File

@ -1,5 +1,5 @@
/* TransformAttribute.java
Copyright (C) 2003 Free Software Foundation, Inc.
/* TransformAttribute.java --
Copyright (C) 2003, 2005 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@ -42,6 +42,13 @@ import java.awt.geom.AffineTransform;
import java.io.Serializable;
/**
* This class provides a mechanism for using an {@link AffineTransform} as
* an <i>immutable</i> attribute (for example, in the
* {@link java.text.AttributedString} class). Any transform passed to
* this class is copied before being stored, and any transform handed out
* by this class is a copy of the stored transform. In this way, it is
* not possible to modify the stored transform.
*
* @author Michael Koch
*/
public final class TransformAttribute implements Serializable
@ -50,20 +57,40 @@ public final class TransformAttribute implements Serializable
private AffineTransform affineTransform;
/**
* Creates a new attribute that contains a copy of the given transform.
*
* @param transform the transform (<code>null</code> not permitted).
*
* @throws IllegalArgumentException if <code>transform</code> is
* <code>null</code>.
*/
public TransformAttribute (AffineTransform transform)
{
if (transform != null)
if (transform == null)
{
this.affineTransform = new AffineTransform (transform);
throw new IllegalArgumentException("Null 'transform' not permitted.");
}
}
public AffineTransform getTransform ()
{
return affineTransform;
this.affineTransform = new AffineTransform (transform);
}
/**
* Returns a copy of the transform contained by this attribute.
*
* @return A copy of the transform.
*/
public AffineTransform getTransform ()
{
return (AffineTransform) affineTransform.clone();
}
/**
* Returns <code>true</code> if the transform contained by this attribute is
* an identity transform, and <code>false</code> otherwise.
*
* @return <code>true</code> if the transform contained by this attribute is
* an identity transform, and <code>false</code> otherwise.
*
* @since 1.4
*/
public boolean isIdentity ()