Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
VerifyRequiredParametersVisitor |
|
| 4.0;4 |
1 | // Copyright 2004, 2005 The Apache Software Foundation | |
2 | // | |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); | |
4 | // you may not use this file except in compliance with the License. | |
5 | // You may obtain a copy of the License at | |
6 | // | |
7 | // http://www.apache.org/licenses/LICENSE-2.0 | |
8 | // | |
9 | // Unless required by applicable law or agreed to in writing, software | |
10 | // distributed under the License is distributed on an "AS IS" BASIS, | |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | // See the License for the specific language governing permissions and | |
13 | // limitations under the License. | |
14 | ||
15 | package org.apache.tapestry.pageload; | |
16 | ||
17 | import java.util.Iterator; | |
18 | ||
19 | import org.apache.hivemind.ApplicationRuntimeException; | |
20 | import org.apache.tapestry.IComponent; | |
21 | import org.apache.tapestry.spec.IComponentSpecification; | |
22 | import org.apache.tapestry.spec.IParameterSpecification; | |
23 | ||
24 | /** | |
25 | * Verify whether all required parameters in the examined component are bound, and if they are not, | |
26 | * throw an exception. | |
27 | * | |
28 | * @author mindbridge | |
29 | * @since 3.0 | |
30 | */ | |
31 | 0 | public class VerifyRequiredParametersVisitor implements IComponentVisitor |
32 | { | |
33 | /** | |
34 | * @see org.apache.tapestry.pageload.IComponentVisitor#visitComponent(org.apache.tapestry.IComponent) | |
35 | */ | |
36 | public void visitComponent(IComponent component) | |
37 | { | |
38 | 0 | IComponentSpecification spec = component.getSpecification(); |
39 | ||
40 | 0 | Iterator i = spec.getRequiredParameters().iterator(); |
41 | ||
42 | 0 | while (i.hasNext()) |
43 | { | |
44 | 0 | IParameterSpecification parameterSpec = (IParameterSpecification) i.next(); |
45 | ||
46 | 0 | String name = parameterSpec.getParameterName(); |
47 | ||
48 | 0 | if (component.getBinding(name) == null) |
49 | 0 | throw new ApplicationRuntimeException(PageloadMessages.requiredParameterNotBound( |
50 | name, | |
51 | component), component, component.getLocation(), null); | |
52 | 0 | } |
53 | 0 | } |
54 | ||
55 | } |