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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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85
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16 import java.nonstandard.RuntimeTraits;
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78
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17
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18 import org.eclipse.core.databinding.validation.IValidator;
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19 import org.eclipse.core.databinding.validation.ValidationStatus;
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20 import org.eclipse.core.internal.databinding.BindingMessages;
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21 import org.eclipse.core.runtime.IStatus;
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22 import org.eclipse.core.runtime.Status;
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23
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24 /**
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25 * @since 3.2
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26 *
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27 */
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28 public class ObjectToPrimitiveValidator : IValidator {
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29
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30 private TypeInfo toType;
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31
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32 private static TypeInfo[][] primitiveMap;
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33 static this(){
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34 primitiveMap = [
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35 [ Integer.TYPE, typeid(Integer) ], [ Short.TYPE, typeid(Short) ],
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36 [ Long.TYPE, typeid(Long) ], [ Double.TYPE, typeid(Double) ],
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37 [ Byte.TYPE, typeid(Byte) ], [ Float.TYPE, typeid(Float) ],
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38 [ Boolean.TYPE, typeid(Boolean) ],
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39 [ Character.TYPE, typeid(Character) ] ];
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40 }
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41
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42 /**
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43 * @param toType
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44 */
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45 public this(TypeInfo toType) {
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46 this.toType = toType;
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47 }
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48
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49 protected TypeInfo getToType() {
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50 return this.toType;
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51 }
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52
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53 public IStatus validate(Object value) {
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54 return doValidate(value);
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55 }
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56
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57 private IStatus doValidate(Object value) {
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58 if (value !is null) {
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59 if (!mapContainsValues(toType, getTypeInfo(value.classinfo))) {
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60 return ValidationStatus.error(getClassHint());
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61 }
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62 return Status.OK_STATUS;
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63 }
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64 return ValidationStatus.error(getNullHint());
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65 }
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66
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67 private bool mapContainsValues(TypeInfo toType, TypeInfo fromType) {
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68 for (int i = 0; i < primitiveMap.length; i++) {
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69 if ((primitiveMap[i][0] == toType )
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70 && (primitiveMap[i][1] == fromType )) {
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71 return true;
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72 }
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73 }
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74 return false;
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75 }
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76
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77 /**
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78 * @return a hint string
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79 */
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80 public String getNullHint() {
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81 return BindingMessages.getString(BindingMessages.VALIDATE_CONVERSION_TO_PRIMITIVE);
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78
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82 }
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83
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84 /**
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85 * @return a hint string
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86 */
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87 public String getClassHint() {
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88 return BindingMessages
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89 .getString(BindingMessages.VALIDATE_CONVERSION_FROM_CLASS_TO_PRIMITIVE);
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90 }
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91 }
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