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comparison org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/validation/ObjectToPrimitiveValidator.d @ 78:0a55d2d5a946

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Added file for databinding
author Frank Benoit <benoit@tionex.de>
date Tue, 14 Apr 2009 11:35:29 +0200
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children 6be48cf9f95c
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76:f05e6e8b2f2d 78:0a55d2d5a946
1 /*******************************************************************************
2 * Copyright (c) 2006, 2008 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Tom Schindl<tom.schindl@bestsolution.at> - bugfix for 217940
11 *******************************************************************************/
12
13 module org.eclipse.core.internal.databinding.validation.ObjectToPrimitiveValidator;
14
15 import java.lang.all;
16
17 import org.eclipse.core.databinding.validation.IValidator;
18 import org.eclipse.core.databinding.validation.ValidationStatus;
19 import org.eclipse.core.internal.databinding.BindingMessages;
20 import org.eclipse.core.runtime.IStatus;
21 import org.eclipse.core.runtime.Status;
22
23 /**
24 * @since 3.2
25 *
26 */
27 public class ObjectToPrimitiveValidator : IValidator {
28
29 private ClassInfo toType;
30
31 private ClassInfo[][] primitiveMap = new ClassInfo[][] [
32 [ Integer.TYPE, Integer.classinfo ], [ Short.TYPE, Short.classinfo ],
33 [ Long.TYPE, Long.classinfo ], [ Double.TYPE, Double.classinfo ],
34 [ Byte.TYPE, Byte.classinfo ], [ Float.TYPE, Float.classinfo ],
35 [ Boolean.TYPE, Boolean.classinfo ],
36 [ Character.TYPE, Character.classinfo ] ];
37
38 /**
39 * @param toType
40 */
41 public this(ClassInfo toType) {
42 this.toType = toType;
43 }
44
45 protected ClassInfo getToType() {
46 return this.toType;
47 }
48
49 public IStatus validate(Object value) {
50 return doValidate(value);
51 }
52
53 private IStatus doValidate(Object value) {
54 if (value !is null) {
55 if (!mapContainsValues(toType, value.getClass())) {
56 return ValidationStatus.error(getClassHint());
57 }
58 return Status.OK_STATUS;
59 }
60 return ValidationStatus.error(getNullHint());
61 }
62
63 private bool mapContainsValues(ClassInfo toType, ClassInfo fromType) {
64 for (int i = 0; i < primitiveMap.length; i++) {
65 if ((primitiveMap[i][0].equals(toType))
66 && (primitiveMap[i][1].equals(fromType))) {
67 return true;
68 }
69 }
70 return false;
71 }
72
73 /**
74 * @return a hint string
75 */
76 public String getNullHint() {
77 return BindingMessages.getStringcast(BindingMessages.VALIDATE_CONVERSION_TO_PRIMITIVE);
78 }
79
80 /**
81 * @return a hint string
82 */
83 public String getClassHint() {
84 return BindingMessages
85 .getStringcast(BindingMessages.VALIDATE_CONVERSION_FROM_CLASS_TO_PRIMITIVE);
86 }
87 }