| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2007 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 implementation |
| //------------------------------------------------------------------------------ |
| /* |
| * Copyright (c) 2005, 2006 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 implementation |
| * |
| */ |
| package org.eclipse.epf.diagramming.expressions; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| import java.util.Collections; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.emf.ecore.EClassifier; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| import org.eclipse.emf.ecore.ETypedElement; |
| import org.eclipse.emf.ecore.util.EcoreUtil; |
| import org.eclipse.epf.diagramming.part.EPFDiagramEditorPlugin; |
| |
| /** |
| * @generated |
| */ |
| public abstract class UMLAbstractExpression { |
| /** |
| * @generated |
| */ |
| private static final boolean DISABLED_NO_IMPL_EXCEPTION_LOG = Boolean |
| .valueOf( |
| Platform.getDebugOption(EPFDiagramEditorPlugin |
| .getInstance().getBundle().getSymbolicName() |
| + "/debug/disableNoExprImplExceptionLog")) |
| .booleanValue(); |
| |
| /** |
| * @generated |
| */ |
| private String body; |
| |
| /** |
| * @generated |
| */ |
| private EClassifier context; |
| |
| /** |
| * @generated |
| */ |
| private IStatus status = Status.OK_STATUS; |
| |
| /** |
| * @generated |
| */ |
| protected UMLAbstractExpression(EClassifier context) { |
| this.context = context; |
| } |
| |
| /** |
| * @generated |
| */ |
| protected UMLAbstractExpression(String body, EClassifier context, Map env) { |
| this.body = body; |
| this.context = context; |
| } |
| |
| /** |
| * @generated |
| */ |
| protected void setStatus(int severity, String message, Throwable throwable) { |
| String pluginID = EPFDiagramEditorPlugin.ID; |
| this.status = new Status(severity, pluginID, -1, |
| (message != null) ? message : "", throwable); //$NON-NLS-1$ |
| if (!this.status.isOK()) { |
| EPFDiagramEditorPlugin |
| .getInstance() |
| .logError( |
| "Expression problem:" + message + "body:" + body, throwable); //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| } |
| } |
| |
| /** |
| * @generated |
| */ |
| protected abstract Object doEvaluate(Object context, Map env); |
| |
| /** |
| * @generated |
| */ |
| public Object evaluate(Object context) { |
| return evaluate(context, Collections.EMPTY_MAP); |
| } |
| |
| /** |
| * @generated |
| */ |
| public Object evaluate(Object context, Map env) { |
| if (context().isInstance(context)) { |
| try { |
| return doEvaluate(context, env); |
| } catch (Exception e) { |
| if (DISABLED_NO_IMPL_EXCEPTION_LOG |
| && e instanceof NoImplException) { |
| return null; |
| } |
| EPFDiagramEditorPlugin.getInstance().logError( |
| "Expression evaluation failure: " + body, e); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * @generated |
| */ |
| public IStatus getStatus() { |
| return status; |
| } |
| |
| /** |
| * @generated |
| */ |
| public String body() { |
| return body; |
| } |
| |
| /** |
| * @generated |
| */ |
| public EClassifier context() { |
| return context; |
| } |
| |
| /** |
| * @modified |
| */ |
| public void assignTo(EStructuralFeature feature, EObject target) { |
| //Object value = evaluate(target); |
| // value = (value != null) ? performCast(value, feature) : null; |
| // if (feature.isMany()) { |
| // Collection destCollection = (Collection) target.eGet(feature); |
| // destCollection.clear(); |
| // if (value instanceof Collection) { |
| // Collection valueCollection = (Collection) value; |
| // for (Iterator it = valueCollection.iterator(); it.hasNext();) { |
| // destCollection.add(performCast(it.next(), feature)); |
| // } |
| // } else { |
| // destCollection.add(value); |
| // } |
| // return; |
| // } |
| // target.eSet(feature, value); |
| evaluate(target); |
| } |
| |
| /** |
| * @generated |
| */ |
| protected Object performCast(Object value, ETypedElement targetType) { |
| if (targetType.getEType() == null |
| || targetType.getEType().getInstanceClass() == null) { |
| return value; |
| } |
| Class targetClass = targetType.getEType().getInstanceClass(); |
| if (value != null && value instanceof Number) { |
| Number num = (Number) value; |
| Class valClass = value.getClass(); |
| Class targetWrapperClass = targetClass; |
| if (targetClass.isPrimitive()) { |
| targetWrapperClass = EcoreUtil.wrapperClassFor(targetClass); |
| } |
| if (valClass.equals(targetWrapperClass)) { |
| return value; |
| } |
| if (Number.class.isAssignableFrom(targetWrapperClass)) { |
| if (targetWrapperClass.equals(Byte.class)) |
| return new Byte(num.byteValue()); |
| if (targetWrapperClass.equals(Integer.class)) |
| return new Integer(num.intValue()); |
| if (targetWrapperClass.equals(Short.class)) |
| return new Short(num.shortValue()); |
| if (targetWrapperClass.equals(Long.class)) |
| return new Long(num.longValue()); |
| if (targetWrapperClass.equals(BigInteger.class)) |
| return BigInteger.valueOf(num.longValue()); |
| if (targetWrapperClass.equals(Float.class)) |
| return new Float(num.floatValue()); |
| if (targetWrapperClass.equals(Double.class)) |
| return new Double(num.doubleValue()); |
| if (targetWrapperClass.equals(BigDecimal.class)) |
| return new BigDecimal(num.doubleValue()); |
| } |
| } |
| return value; |
| } |
| |
| /** |
| * @generated |
| */ |
| public static final UMLAbstractExpression createNullExpression( |
| EClassifier context) { |
| return new UMLAbstractExpression(context) { |
| protected Object doEvaluate(Object context, Map env) { |
| // TODO - log entry about not provider available for this expression |
| return null; |
| } |
| }; |
| } |
| |
| /** |
| * @generated |
| */ |
| public static class NoImplException extends RuntimeException { |
| /** |
| * @generated |
| */ |
| public NoImplException(String message) { |
| super(message); |
| } |
| } |
| } |