Mercurial > projects > dwt2
diff org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/validation/ObjectToPrimitiveValidator.d @ 78:0a55d2d5a946
Added file for databinding
author | Frank Benoit <benoit@tionex.de> |
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date | Tue, 14 Apr 2009 11:35:29 +0200 |
parents | |
children | 6be48cf9f95c |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/validation/ObjectToPrimitiveValidator.d Tue Apr 14 11:35:29 2009 +0200 @@ -0,0 +1,87 @@ +/******************************************************************************* + * Copyright (c) 2006, 2008 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + * Tom Schindl<tom.schindl@bestsolution.at> - bugfix for 217940 + *******************************************************************************/ + +module org.eclipse.core.internal.databinding.validation.ObjectToPrimitiveValidator; + +import java.lang.all; + +import org.eclipse.core.databinding.validation.IValidator; +import org.eclipse.core.databinding.validation.ValidationStatus; +import org.eclipse.core.internal.databinding.BindingMessages; +import org.eclipse.core.runtime.IStatus; +import org.eclipse.core.runtime.Status; + +/** + * @since 3.2 + * + */ +public class ObjectToPrimitiveValidator : IValidator { + + private ClassInfo toType; + + private ClassInfo[][] primitiveMap = new ClassInfo[][] [ + [ Integer.TYPE, Integer.classinfo ], [ Short.TYPE, Short.classinfo ], + [ Long.TYPE, Long.classinfo ], [ Double.TYPE, Double.classinfo ], + [ Byte.TYPE, Byte.classinfo ], [ Float.TYPE, Float.classinfo ], + [ Boolean.TYPE, Boolean.classinfo ], + [ Character.TYPE, Character.classinfo ] ]; + + /** + * @param toType + */ + public this(ClassInfo toType) { + this.toType = toType; + } + + protected ClassInfo getToType() { + return this.toType; + } + + public IStatus validate(Object value) { + return doValidate(value); + } + + private IStatus doValidate(Object value) { + if (value !is null) { + if (!mapContainsValues(toType, value.getClass())) { + return ValidationStatus.error(getClassHint()); + } + return Status.OK_STATUS; + } + return ValidationStatus.error(getNullHint()); + } + + private bool mapContainsValues(ClassInfo toType, ClassInfo fromType) { + for (int i = 0; i < primitiveMap.length; i++) { + if ((primitiveMap[i][0].equals(toType)) + && (primitiveMap[i][1].equals(fromType))) { + return true; + } + } + return false; + } + + /** + * @return a hint string + */ + public String getNullHint() { + return BindingMessages.getStringcast(BindingMessages.VALIDATE_CONVERSION_TO_PRIMITIVE); + } + + /** + * @return a hint string + */ + public String getClassHint() { + return BindingMessages + .getStringcast(BindingMessages.VALIDATE_CONVERSION_FROM_CLASS_TO_PRIMITIVE); + } +}