001: /*--
002: $Id: ImageIconConverter.java,v 1.1 2004/03/01 07:56:00 wolfpaulus Exp $
003:
004: Copyright (C) 2003-2007 Wolf Paulus.
005: All rights reserved.
006:
007: Redistribution and use in source and binary forms, with or without
008: modification, are permitted provided that the following conditions
009: are met:
010:
011: 1. Redistributions of source code must retain the above copyright
012: notice, this list of conditions, and the following disclaimer.
013:
014: 2. Redistributions in binary form must reproduce the above copyright
015: notice, this list of conditions, and the disclaimer that follows
016: these conditions in the documentation and/or other materials provided
017: with the distribution.
018:
019: 3. The end-user documentation included with the redistribution,
020: if any, must include the following acknowledgment:
021: "This product includes software developed by the
022: SWIXML Project (http://www.swixml.org/)."
023: Alternately, this acknowledgment may appear in the software itself,
024: if and wherever such third-party acknowledgments normally appear.
025:
026: 4. The name "Swixml" must not be used to endorse or promote products
027: derived from this software without prior written permission. For
028: written permission, please contact <info_AT_swixml_DOT_org>
029:
030: 5. Products derived from this software may not be called "Swixml",
031: nor may "Swixml" appear in their name, without prior written
032: permission from the Swixml Project Management.
033:
034: THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
035: WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
036: OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
037: DISCLAIMED. IN NO EVENT SHALL THE SWIXML PROJECT OR ITS
038: CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
039: SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
040: LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
041: USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
042: ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
043: OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
044: OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
045: SUCH DAMAGE.
046: ====================================================================
047:
048: This software consists of voluntary contributions made by many
049: individuals on behalf of the Swixml Project and was originally
050: created by Wolf Paulus <wolf_AT_swixml_DOT_org>. For more information
051: on the Swixml Project, please see <http://www.swixml.org/>.
052: */
053:
054: package org.swixml.converters;
055:
056: import org.jdom.Attribute;
057: import org.swixml.Converter;
058: import org.swixml.Localizer;
059: import org.swixml.Parser;
060:
061: import javax.swing.*;
062:
063: /**
064: * A Converter that turns a Strings in the form of a filename into an ImageIcon objects.
065:
066: * @author <a href="mailto:wolf@paulus.com">Wolf Paulus</a>
067: * @version $Revision: 1.1 $
068: * @see java.awt.Dimension
069: * @see org.swixml.ConverterLibrary
070: */
071: public class ImageIconConverter implements Converter {
072:
073: /** converter's return type */
074: public static final Class TEMPLATE = ImageIcon.class;
075:
076: /** current classloader */
077:
078: /**
079: * Converts a String into an ImageIcon through a Resource lookup
080: * @param type <code>Class</code> not used
081: * @param attr <code>Attribute</code> attribute provides the value to be converted
082: * @param localizer <code>Localizer</code> allow the use of resource lookups
083: * @return <code>Object</code> - an <code>ImageIcon</code>
084: */
085: public Object convert(final Class type, final Attribute attr,
086: Localizer localizer) {
087: return ImageIconConverter.conv(type, attr, localizer);
088: }
089:
090: /**
091: * Converts a String into an ImageIcon through a Resource lookup
092: * @param type <code>Class</code> not used
093: * @param attr <code>Attribute</code> attribute provides the value to be converted
094: * @param localizer <code>Localizer</code> allow the use of resource lookups
095: * @return <code>Object</code> - an <code>ImageIcon</code>
096: */
097: public static Object conv(final Class type, final Attribute attr,
098: Localizer localizer) {
099: ImageIcon icon = null;
100: if (attr != null) {
101: if (Parser.LOCALIZED_ATTRIBUTES.contains(attr.getName()
102: .toLowerCase())) {
103: if (attr.getAttributeType() == Attribute.CDATA_TYPE) {
104: attr.setValue(localizer.getString(attr.getValue()));
105: }
106: }
107: try {
108: //java.net.URL imgURL = Converter.class.getResource( attr.getValue() );
109: //icon = new ImageIcon( imgURL );
110: icon = new ImageIcon(localizer.getClassLoader()
111: .getResource(attr.getValue()));
112: } catch (Exception e) {
113: // intentionally empty
114: }
115: }
116: return icon;
117: }
118:
119: /**
120: * A <code>Converters</code> conversTo method informs about the Class type the converter
121: * is returning when its <code>convert</code> method is called
122: * @return <code>Class</code> - the Class the converter is returning when its convert method is called
123: */
124: public Class convertsTo() {
125: return TEMPLATE;
126: }
127: }
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