/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* --------------------
* TextBlockAnchor.java
* --------------------
* (C) Copyright 2003-2005, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: TextBlockAnchor.java,v 1.4 2005/10/18 13:17:16 mungady Exp $
*
* Changes:
* --------
* 06-Nov-2003 : Version 1 (DG);
* 22-Mar-2004 : Added readResolve() method (DG);
*
*/
package org.jfree.text;
import java.io.ObjectStreamException;
import java.io.Serializable;
/**
* Used to indicate the position of an anchor point for a text block.
*
* @author David Gilbert
*/
public final class TextBlockAnchor implements Serializable {
/** For serialization. */
private static final long serialVersionUID = -3045058380983401544L;
/** Top/left. */
public static final TextBlockAnchor TOP_LEFT
= new TextBlockAnchor("TextBlockAnchor.TOP_LEFT");
/** Top/center. */
public static final TextBlockAnchor TOP_CENTER = new TextBlockAnchor(
"TextBlockAnchor.TOP_CENTER"
);
/** Top/right. */
public static final TextBlockAnchor TOP_RIGHT = new TextBlockAnchor(
"TextBlockAnchor.TOP_RIGHT"
);
/** Middle/left. */
public static final TextBlockAnchor CENTER_LEFT = new TextBlockAnchor(
"TextBlockAnchor.CENTER_LEFT"
);
/** Middle/center. */
public static final TextBlockAnchor CENTER
= new TextBlockAnchor("TextBlockAnchor.CENTER");
/** Middle/right. */
public static final TextBlockAnchor CENTER_RIGHT = new TextBlockAnchor(
"TextBlockAnchor.CENTER_RIGHT"
);
/** Bottom/left. */
public static final TextBlockAnchor BOTTOM_LEFT
= new TextBlockAnchor("TextBlockAnchor.BOTTOM_LEFT");
/** Bottom/center. */
public static final TextBlockAnchor BOTTOM_CENTER
= new TextBlockAnchor("TextBlockAnchor.BOTTOM_CENTER");
/** Bottom/right. */
public static final TextBlockAnchor BOTTOM_RIGHT
= new TextBlockAnchor("TextBlockAnchor.BOTTOM_RIGHT");
/** The name. */
private String name;
/**
* Private constructor.
*
* @param name the name.
*/
private TextBlockAnchor(final String name) {
this.name = name;
}
/**
* Returns a string representing the object.
*
* @return The string.
*/
public String toString() {
return this.name;
}
/**
* Returns <code>true</code> if this object is equal to the specified
* object, and <code>false</code> otherwise.
*
* @param o the other object.
*
* @return A boolean.
*/
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (!(o instanceof TextBlockAnchor)) {
return false;
}
final TextBlockAnchor other = (TextBlockAnchor) o;
if (!this.name.equals(other.name)) {
return false;
}
return true;
}
/**
* Returns a hash code value for the object.
*
* @return the hashcode
*/
public int hashCode() {
return this.name.hashCode();
}
/**
* Ensures that serialization returns the unique instances.
*
* @return The object.
*
* @throws ObjectStreamException if there is a problem.
*/
private Object readResolve() throws ObjectStreamException {
if (this.equals(TextBlockAnchor.TOP_CENTER)) {
return TextBlockAnchor.TOP_CENTER;
}
else if (this.equals(TextBlockAnchor.TOP_LEFT)) {
return TextBlockAnchor.TOP_LEFT;
}
else if (this.equals(TextBlockAnchor.TOP_RIGHT)) {
return TextBlockAnchor.TOP_RIGHT;
}
else if (this.equals(TextBlockAnchor.CENTER)) {
return TextBlockAnchor.CENTER;
}
else if (this.equals(TextBlockAnchor.CENTER_LEFT)) {
return TextBlockAnchor.CENTER_LEFT;
}
else if (this.equals(TextBlockAnchor.CENTER_RIGHT)) {
return TextBlockAnchor.CENTER_RIGHT;
}
else if (this.equals(TextBlockAnchor.BOTTOM_CENTER)) {
return TextBlockAnchor.BOTTOM_CENTER;
}
else if (this.equals(TextBlockAnchor.BOTTOM_LEFT)) {
return TextBlockAnchor.BOTTOM_LEFT;
}
else if (this.equals(TextBlockAnchor.BOTTOM_RIGHT)) {
return TextBlockAnchor.BOTTOM_RIGHT;
}
return null;
}
}