Source Code Cross Referenced for SelectResourceBundle.java in  » Web-Framework » rife-1.6.1 » com » uwyn » rife » site » Java Source Code / Java DocumentationJava Source Code and Java Documentation

01:        /*
02:         * Copyright 2005 Keith Lea <keith[remove] at cs dot oswego dot edu>,
03:         * Geert Bevin <gbevin[remove] at uwyn dot com>
04:         * Distributed under the terms of either:
05:         * - the common development and distribution license (CDDL), v1.0; or
06:         * - the GNU Lesser General Public License, v2.1 or later
07:         * $Id: SelectResourceBundle.java 3308 2006-06-15 18:54:14Z gbevin $
08:         */
09:        package com.uwyn.rife.site;
10:
11:        import java.util.ListResourceBundle;
12:        import java.util.Map;
13:
14:        /**
15:         * A <code>ResourceBundle</code> implementation which facilitates the use of select
16:         * boxes in forms for properties with {@link ConstrainedProperty#inList inList}
17:         * constraints.
18:         * 
19:         * Example use:
20:         * <pre>Template t = ...
21:         * List&lt;Club&gt; clubs = ...;
22:         * ClubSelectionBean bean = ...;
23:         * 
24:         * Map&lt;String,String&gt; names = new HashMap&lt;String,String&gt;(clubs.size());
25:         * for (Club club : clubs) {
26:         * &nbsp;&nbsp;&nbsp;&nbsp;names.put(club.getUniqueName(), club.getFullName());
27:         * }
28:         *  
29:         * bean.getConstrainedProperty("clubUniqueName")
30:         * &nbsp;&nbsp;&nbsp;&nbsp;.setInList(names.keySet());
31:         * t.addResourceBundle(new SelectResourceBundle("clubUniqueName", names));
32:         *  
33:         * generateForm(t, bean);
34:         * print(t);</pre>
35:         *
36:         * @author Keith Lea <keith[remove] at cs dot oswego dot edu>,
37:         * @author Geert Bevin (gbevin[remove] at uwyn dot com)
38:         * @version $Revision: 3308 $
39:         * @since 1.0
40:         */
41:        public class SelectResourceBundle extends ListResourceBundle {
42:            /** The list of keys and associated values. */
43:            private final Object[][] mObjectNames;
44:
45:            /**
46:             * Creates a new select tag resource bundle with the given input form
47:             * property and the given map from values to displayed strings.
48:             *
49:             * @param property the property whose possible values are described in
50:             * <code>map</code>
51:             * @param map a map from possible property values with their corresponding
52:             * descriptions
53:             */
54:            public SelectResourceBundle(String property,
55:                    Map<? extends CharSequence, ? extends CharSequence> map)
56:                    throws IllegalArgumentException {
57:                if (null == property)
58:                    throw new IllegalArgumentException("property can't be null");
59:                if (null == map)
60:                    throw new IllegalArgumentException("map can't be null");
61:
62:                Object[][] processed = new Object[map.size()][2];
63:                int i = 0;
64:                for (Map.Entry<? extends CharSequence, ?> entry : map
65:                        .entrySet()) {
66:                    if (null == entry.getKey()) {
67:                        continue;
68:                    }
69:
70:                    Object[] objects = processed[i];
71:                    objects[0] = property + ":" + entry.getKey();
72:                    objects[1] = entry.getValue();
73:                    i++;
74:                }
75:
76:                mObjectNames = processed;
77:            }
78:
79:            protected Object[][] getContents() {
80:                return mObjectNames;
81:            }
82:        }