01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.cocoon.forms.formmodel;
18:
19: import org.apache.cocoon.forms.FormsException;
20: import org.apache.cocoon.forms.datatype.SelectionList;
21: import org.apache.cocoon.forms.util.DomHelper;
22: import org.w3c.dom.Element;
23:
24: /**
25: * Builds {@link FieldDefinition}s.
26: *
27: * @version $Id: FieldDefinitionBuilder.java 517843 2007-03-13 20:09:32Z vgritsenko $
28: */
29: public class FieldDefinitionBuilder extends
30: AbstractDatatypeWidgetDefinitionBuilder {
31:
32: public WidgetDefinition buildWidgetDefinition(Element widgetElement)
33: throws Exception {
34: FieldDefinition definition = new FieldDefinition();
35: setupDefinition(widgetElement, definition);
36: definition.makeImmutable();
37: return definition;
38: }
39:
40: protected void setupDefinition(Element widgetElement,
41: FieldDefinition definition) throws Exception {
42: super .setupDefinition(widgetElement, definition);
43:
44: // parse "@required"
45: if (widgetElement.hasAttribute("required")) {
46: definition.setRequired(DomHelper.getAttributeAsBoolean(
47: widgetElement, "required", false));
48: }
49:
50: // parse "@whitespace"
51: Whitespace whitespace = Whitespace.getEnum(DomHelper
52: .getAttribute(widgetElement, "whitespace", "trim"));
53: if (whitespace == null) {
54: throw new FormsException(
55: "Unknown value for 'whitespace' attribute; valid values are 'trim', 'trim-start', 'trim-end', and 'preserve'.",
56: DomHelper.getLocationObject(widgetElement));
57: }
58: definition.setWhitespaceTrim(whitespace);
59:
60: SelectionList list = buildSelectionList(widgetElement,
61: definition, "suggestion-list");
62: if (list != null) {
63: definition.setSuggestionList(list);
64: }
65: }
66: }
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