Mercurial > projects > dwt2
annotate org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/validation/AbstractStringToNumberValidator.d @ 88:9e0ab372d5d8
Revert from TypeInfo/ClassInfo to java.lang.Class
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 19 Apr 2009 11:10:09 +0200 |
| parents | 6be48cf9f95c |
| children |
| rev | line source |
|---|---|
| 78 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2007 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 ******************************************************************************/ | |
| 11 | |
| 12 module org.eclipse.core.internal.databinding.validation.AbstractStringToNumberValidator; | |
| 81 | 13 import org.eclipse.core.internal.databinding.validation.NumberFormatConverter; |
| 78 | 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.conversion.StringToNumberParser; | |
| 20 import org.eclipse.core.runtime.IStatus; | |
| 21 import org.eclipse.core.runtime.Status; | |
| 22 | |
| 23 /** | |
| 24 * Validates a number that is to be converted by a {@link NumberFormatConverter}. | |
| 25 * Validation is comprised of parsing the String and range checks. | |
| 26 * | |
| 27 * @since 1.0 | |
| 28 */ | |
| 29 public abstract class AbstractStringToNumberValidator : IValidator { | |
| 30 private final NumberFormatConverter converter; | |
| 31 private final bool toPrimitive; | |
| 32 | |
| 33 private final Number min; | |
| 34 private final Number max; | |
| 35 | |
| 36 private String outOfRangeMessage; | |
| 37 | |
| 38 /** | |
| 39 * Constructs a new instance. | |
| 40 * | |
| 41 * @param converter converter and thus formatter to be used in validation | |
| 42 * @param min minimum value, used for reporting a range error to the user | |
| 43 * @param max maximum value, used for reporting a range error to the user | |
| 44 */ | |
| 45 protected this(NumberFormatConverter converter, | |
| 46 Number min, Number max) { | |
| 47 this.converter = converter; | |
| 48 this.min = min; | |
| 49 this.max = max; | |
| 50 | |
|
88
9e0ab372d5d8
Revert from TypeInfo/ClassInfo to java.lang.Class
Frank Benoit <benoit@tionex.de>
parents:
85
diff
changeset
|
51 if (null !is cast(Class)converter.getToType()) { |
|
9e0ab372d5d8
Revert from TypeInfo/ClassInfo to java.lang.Class
Frank Benoit <benoit@tionex.de>
parents:
85
diff
changeset
|
52 Class clazz = cast(Class) converter.getToType(); |
|
9e0ab372d5d8
Revert from TypeInfo/ClassInfo to java.lang.Class
Frank Benoit <benoit@tionex.de>
parents:
85
diff
changeset
|
53 toPrimitive = clazz.isPrimitive(); |
| 78 | 54 } else { |
| 55 toPrimitive = false; | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 /** | |
| 60 * Validates the provided <code>value</code>. An error status is returned if: | |
| 61 * <ul> | |
| 62 * <li>The value cannot be parsed.</li> | |
| 63 * <li>The value is out of range.</li> | |
| 64 * </ul> | |
| 65 * | |
| 66 * @see org.eclipse.core.databinding.validation.IValidator#validate(java.lang.Object) | |
| 67 */ | |
| 68 public final IStatus validate(Object value) { | |
| 85 | 69 StringToNumberParser.ParseResult result = StringToNumberParser.parse(value, converter |
| 78 | 70 .getNumberFormat(), toPrimitive); |
| 71 | |
| 72 if (result.getNumber() !is null) { | |
| 73 if (!isInRange(result.getNumber())) { | |
| 74 if (outOfRangeMessage is null) { | |
| 75 outOfRangeMessage = StringToNumberParser | |
| 76 .createOutOfRangeMessage(min, max, converter | |
| 77 .getNumberFormat()); | |
| 78 } | |
| 79 | |
| 80 return ValidationStatus.error(outOfRangeMessage); | |
| 81 } | |
| 82 } else if (result.getPosition() !is null) { | |
| 83 String parseErrorMessage = StringToNumberParser.createParseErrorMessage( | |
| 85 | 84 stringcast(value), result.getPosition()); |
| 78 | 85 |
| 86 return ValidationStatus.error(parseErrorMessage); | |
| 87 } | |
| 88 | |
| 89 return Status.OK_STATUS; | |
| 90 } | |
| 91 | |
| 92 /** | |
| 93 * Invoked by {@link #validatecast(Object)} when the range is to be validated. | |
| 94 * | |
| 95 * @param number | |
| 96 * @return <code>true</code> if in range | |
| 97 */ | |
| 98 protected abstract bool isInRange(Number number); | |
| 99 } |