1 /*
2 * Copyright (c) 2011-2024 PrimeFaces Extensions
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
20 * THE SOFTWARE.
21 */
22 package org.primefaces.extensions.component.parameters;
23
24 import java.util.Map;
25
26 import javax.el.ValueExpression;
27 import javax.faces.component.UIComponent;
28
29 import org.primefaces.extensions.component.base.AbstractParameter;
30 import org.primefaces.extensions.util.DummyValueExpression;
31
32 /**
33 * Component class for the <code>MethodParameter</code> component.
34 *
35 * @author Thomas Andraschko / last modified by $Author$
36 * @version $Revision$
37 * @since 0.5
38 */
39 public class MethodParameter extends AbstractParameter {
40
41 public static final String COMPONENT_TYPE = "org.primefaces.extensions.component.MethodParameter";
42
43 /**
44 * Properties that are tracked by state saving.
45 *
46 * @author Thomas Andraschko / last modified by $Author$
47 * @version $Revision$
48 */
49 @SuppressWarnings("java:S115")
50 protected enum PropertyKeys {
51 type
52 }
53
54 public MethodParameter() {
55 setRendererType(null);
56 }
57
58 @Override
59 public String getFamily() {
60 return AbstractParameter.COMPONENT_FAMILY;
61 }
62
63 public String getType() {
64 return (String) getStateHelper().eval(PropertyKeys.type, null);
65 }
66
67 public void setType(final String type) {
68 getStateHelper().put(PropertyKeys.type, type);
69 }
70
71 /**
72 * Enables converters to get the value type from the "value" expression.
73 *
74 * @param name DOCUMENT_ME
75 * @return DOCUMENT_ME
76 */
77 @Override
78 public ValueExpression getValueExpression(final String name) {
79 if ("value".equals(name)) {
80 // get type from parent component
81 // MethodSignatureTagHandler stores all parameters to the parent component
82 final UIComponent parent = getParent();
83 final Map<String, Object> parentAttribtues = parent.getAttributes();
84 final Class<?>[] parameterTypes = (Class<?>[]) parentAttribtues.get(MethodSignatureTagHandler.PARAMETERS_TYPES_ATTRIBUTE_NAME);
85 final Class<?> parameterType = parameterTypes[parent.getChildren().indexOf(this)];
86
87 return new DummyValueExpression(parameterType);
88 }
89
90 return super.getValueExpression(name);
91 }
92 }