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