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Java > Open Source Codes > org > jfree > xml > parser > coretypes > FontReadHandler


1 /* ========================================================================
2  * JCommon : a free general purpose class library for the Java(tm) platform
3  * ========================================================================
4  *
5  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6  *
7  * Project Info: http://www.jfree.org/jcommon/index.html
8  *
9  * This library is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as published by
11  * the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17  * License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22  * USA.
23  *
24  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25  * in the United States and other countries.]
26  *
27  * ---------------
28  * FontReadHandler
29  * ---------------
30  * (C) Copyright 2003, by Thomas Morgner and Contributors.
31  *
32  * Original Author: Thomas Morgner;
33  * Contributor(s): David Gilbert (for Object Refinery Limited);
34  *
35  * $Id: FontReadHandler.java,v 1.2 2005/10/18 13:33:32 mungady Exp $
36  *
37  * Changes (from 25-Nov-2003)
38  * --------------------------
39  * 25-Nov-2003 : Added standard header and Javadocs (DG);
40  *
41  */
42
43 package org.jfree.xml.parser.coretypes;
44
45 import java.awt.Font JavaDoc;
46
47 import org.jfree.xml.parser.AbstractXmlReadHandler;
48 import org.xml.sax.Attributes JavaDoc;
49 import org.xml.sax.SAXException JavaDoc;
50
51 /**
52  * A SAX handler for reading a font definition.
53  */
54 public class FontReadHandler extends AbstractXmlReadHandler {
55     
56     /** The font under construction. */
57     private Font JavaDoc font;
58
59     /**
60      * Creates a new SAX handler for reading a {@link Font} from XML.
61      */
62     public FontReadHandler() {
63         super();
64     }
65
66     /**
67      * Called at the start of parsing a font element, this method reads the attributes and
68      * constructs the font.
69      *
70      * @param attrs the attributes.
71      *
72      * @throws SAXException to indicate a parsing error.
73      */
74     protected void startParsing(final Attributes JavaDoc attrs) throws SAXException JavaDoc {
75         final String JavaDoc family = attrs.getValue("family");
76         final int size = Integer.parseInt(attrs.getValue("size"));
77         final int style = getFontStyle(attrs.getValue("style"));
78         this.font = new Font JavaDoc(family, style, size);
79     }
80
81     /**
82      * Converts a string to a font style constant.
83      *
84      * @param style the style as text.
85      *
86      * @return The font style.
87      */
88     private int getFontStyle (final String JavaDoc style) {
89         if ("bold-italic".equals(style)) {
90             return Font.BOLD | Font.ITALIC;
91         }
92         if ("bold".equals(style)) {
93             return Font.BOLD;
94         }
95         if ("italic".equals(style)) {
96             return Font.ITALIC;
97         }
98         return Font.PLAIN;
99     }
100
101     /**
102      * Returns the font under construction.
103      *
104      * @return the font.
105      */
106     public Object JavaDoc getObject() {
107         return this.font;
108     }
109     
110 }
111
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