01: /*
02: * (C) Copyright 2004 Nabh Information Systems, Inc.
03: *
04: * All copyright notices regarding Nabh's products MUST remain
05: * intact in the scripts and in the outputted HTML.
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public License
08: * as published by the Free Software Foundation; either version 2.1
09: * of the License, or (at your option) any later version.
10: *
11: * This program is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14: * GNU Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public License
17: * along with this program; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19: *
20: */
21: package com.nabhinc.portlet.mvcportlet.populator;
22:
23: import javax.portlet.PortletException;
24: import javax.portlet.PortletRequest;
25:
26: import org.w3c.dom.Element;
27:
28: import com.nabhinc.portlet.mvcportlet.core.ControllerPortletConfig;
29: import com.nabhinc.portlet.mvcportlet.core.ValueAndLabel;
30: import com.nabhinc.util.XMLUtil;
31:
32: /**
33: * Supplies an array of ValueAndLabel object getting from a list of options.
34: *
35: * @author Padmanabh Dabke
36: * (c) 2004 Nabh Information Systems, Inc. All Rights Reserved.
37: */
38: public class ValueAndLabelList extends BasePopulator {
39: private ValueAndLabel[] vallValue = null;
40:
41: /* (non-Javadoc)
42: * @see com.nabhinc.portlet.mvcportlet.core.FormFieldPopulator#getValue(javax.portlet.RenderRequest)
43: */
44: public Object getValue(PortletRequest req) throws PortletException {
45: return vallValue;
46: }
47:
48: /* (non-Javadoc)
49: * @see com.nabhinc.core.XMLInitable#init(org.w3c.dom.Element)
50: */
51: public void init(Element config, ControllerPortletConfig cpConfig)
52: throws PortletException {
53: super .init(config, cpConfig);
54: Element[] strings = XMLUtil.getSubElements(config, "option");
55: if (strings == null || strings.length == 0) {
56: throw new PortletException(
57: "StringList populator configuration must define at least one option.");
58: }
59: vallValue = new ValueAndLabel[strings.length];
60: for (int i = 0; i < strings.length; i++) {
61: String val = strings[i].getAttribute("value");
62: String label = strings[i].getAttribute("label");
63: if (val == null || val.equals("")) {
64: throw new PortletException(
65: "Populator option without value.");
66: }
67: if (label == null || label.equals("")) {
68: throw new PortletException(
69: "Populator option without label.");
70: }
71: vallValue[i] = new ValueAndLabel(val, label);
72: }
73: }
74:
75: public void setValueAndValueList(ValueAndLabel[] list) {
76: this.vallValue = list;
77: }
78:
79: }
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