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.validation.impl;
18:
19: import org.apache.avalon.framework.context.Context;
20: import org.apache.avalon.framework.context.ContextException;
21: import org.apache.avalon.framework.context.Contextualizable;
22: import org.apache.avalon.framework.thread.ThreadSafe;
23: import org.apache.cocoon.forms.formmodel.WidgetDefinition;
24: import org.apache.cocoon.forms.util.JavaScriptHelper;
25: import org.apache.cocoon.forms.validation.WidgetValidator;
26: import org.apache.cocoon.forms.validation.WidgetValidatorBuilder;
27: import org.mozilla.javascript.Function;
28: import org.w3c.dom.Element;
29:
30: /**
31: * Builds a JavaScript validator.
32: *
33: * @see org.apache.cocoon.forms.validation.impl.JavaScriptValidator
34: * @version $Id: JavaScriptValidatorBuilder.java 449149 2006-09-23 03:58:05Z crossley $
35: */
36: public class JavaScriptValidatorBuilder implements
37: WidgetValidatorBuilder, Contextualizable, ThreadSafe {
38:
39: private Context avalonContext;
40:
41: private static final String[] ARG_NAMES = { "widget" };
42:
43: /* (non-Javadoc)
44: * @see org.apache.avalon.framework.context.Contextualizable#contextualize(org.apache.avalon.framework.context.Context)
45: */
46: public void contextualize(Context context) throws ContextException {
47: this .avalonContext = context;
48: }
49:
50: /* (non-Javadoc)
51: * @see org.apache.cocoon.forms.validation.ValidatorBuilder#build(org.apache.cocoon.forms.formmodel.WidgetDefinition, org.w3c.dom.Element)
52: */
53: public WidgetValidator build(Element element,
54: WidgetDefinition definition) throws Exception {
55: Function function = JavaScriptHelper.buildFunction(element,
56: "validate", ARG_NAMES);
57:
58: return new JavaScriptValidator(this.avalonContext, function);
59: }
60: }
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