| /* |
| * Copyright (c) 2007, 2010 Borland Software 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: |
| * Dmitry Stadnik (Borland) - initial API and implementation |
| */ |
| |
| «IMPORT 'http://www.eclipse.org/gmf/2009/GenModel'» |
| |
| «DEFINE AbstractExpression FOR gmfgen::GenDiagram-» |
| «EXPAND xpt::Common::copyright FOR editorGen-» |
| package «editorGen.expressionProviders.expressionsPackageName»; |
| |
| «EXPAND xpt::Common::generatedClassComment» |
| public abstract class «editorGen.expressionProviders.abstractExpressionClassName» «EXPAND supertypes»{ |
| |
| «EXPAND status-» |
| |
| «EXPAND body-» |
| |
| «EXPAND context-» |
| |
| «EXPAND ctors-» |
| |
| «EXPAND evaluate-» |
| |
| «EXPAND performCast-» |
| |
| «EXPAND additions-» |
| } |
| «ENDDEFINE» |
| |
| «DEFINE supertypes FOR gmfgen::GenDiagram»«ENDDEFINE» |
| «DEFINE additions FOR gmfgen::GenDiagram»«ENDDEFINE» |
| |
| «DEFINE status FOR gmfgen::GenDiagram-» |
| «EXPAND xpt::Common::generatedMemberComment» |
| private org.eclipse.core.runtime.IStatus status = org.eclipse.core.runtime.Status.OK_STATUS; |
| |
| «EXPAND xpt::Common::generatedMemberComment» |
| protected void setStatus(int severity, String message, Throwable throwable) { |
| String pluginID = «editorGen.plugin.getActivatorQualifiedClassName()».ID; |
| this.status = new org.eclipse.core.runtime.Status(severity, pluginID, -1, (message != null) ? message : "", throwable);«EXPAND xpt::Common::nonNLS» |
| if(!this.status.isOK()) { |
| «editorGen.plugin.getActivatorQualifiedClassName()».getInstance().logError("Expression problem:" + message + "body:"+ body(), throwable);«EXPAND xpt::Common::nonNLS»«EXPAND xpt::Common::nonNLS(2)» |
| } |
| } |
| |
| «EXPAND xpt::Common::generatedMemberComment» |
| public org.eclipse.core.runtime.IStatus getStatus() { |
| return status; |
| } |
| «ENDDEFINE» |
| |
| «DEFINE body FOR gmfgen::GenDiagram-» |
| «EXPAND xpt::Common::generatedMemberComment» |
| private final String myBody; |
| |
| «EXPAND xpt::Common::generatedMemberComment» |
| public String body() { |
| return myBody; |
| } |
| «ENDDEFINE» |
| |
| «DEFINE context FOR gmfgen::GenDiagram-» |
| «EXPAND xpt::Common::generatedMemberComment» |
| private final org.eclipse.emf.ecore.EClassifier myContext; |
| |
| «EXPAND xpt::Common::generatedMemberComment» |
| public org.eclipse.emf.ecore.EClassifier context() { |
| return myContext; |
| } |
| «ENDDEFINE» |
| |
| «DEFINE ctors FOR gmfgen::GenDiagram-» |
| |
| «EXPAND xpt::Common::generatedMemberComment» |
| protected «editorGen.expressionProviders.abstractExpressionClassName»(String body, org.eclipse.emf.ecore.EClassifier context) { |
| myBody = body; |
| myContext = context; |
| } |
| «ENDDEFINE» |
| |
| «DEFINE evaluate FOR gmfgen::GenDiagram-» |
| «EXPAND xpt::Common::generatedMemberComment» |
| «EXPAND CodeStyle::SuppressWarnings('"rawtypes"')-» |
| protected abstract Object doEvaluate(Object context, java.util.Map env); |
| |
| «EXPAND xpt::Common::generatedMemberComment» |
| public Object evaluate(Object context) { |
| return evaluate(context, java.util.Collections.EMPTY_MAP); |
| } |
| |
| «EXPAND xpt::Common::generatedMemberComment» |
| «EXPAND CodeStyle::SuppressWarnings('"rawtypes"')-» |
| public Object evaluate(Object context, java.util.Map env) { |
| if(context().isInstance(context)) { |
| try { |
| return doEvaluate(context, env); |
| } catch(Exception e) { |
| «editorGen.plugin.getActivatorQualifiedClassName()».getInstance().logError("Expression evaluation failure: " + body(), e);«EXPAND xpt::Common::nonNLS» |
| } |
| } |
| return null; |
| } |
| «ENDDEFINE» |
| |
| «DEFINE performCast FOR gmfgen::GenDiagram-» |
| «EXPAND xpt::Common::generatedMemberComment('Expression may return number value which is not directly compatible with feature type (e.g. Double when Integer is expected), or EEnumLiteral meta-object when literal instance is expected')» |
| public static Object performCast(Object value, org.eclipse.emf.ecore.EDataType targetType) { |
| if (targetType instanceof org.eclipse.emf.ecore.EEnum) { |
| if (value instanceof org.eclipse.emf.ecore.EEnumLiteral) { |
| org.eclipse.emf.ecore.EEnumLiteral literal = (org.eclipse.emf.ecore.EEnumLiteral) value; |
| return (literal.getInstance() != null) ? literal.getInstance() : literal; |
| } |
| } |
| if (false == value instanceof Number || targetType == null || targetType.getInstanceClass() == null) { |
| return value; |
| } |
| Class«EXPAND CodeStyle::G('?')» targetClass = targetType.getInstanceClass(); |
| Number num = (Number) value; |
| Class«EXPAND CodeStyle::G('?')» valClass = value.getClass(); |
| Class«EXPAND CodeStyle::G('?')» targetWrapperClass = targetClass; |
| if (targetClass.isPrimitive()) { |
| targetWrapperClass = org.eclipse.emf.ecore.util.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(java.math.BigInteger.class)) return java.math.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(java.math.BigDecimal.class)) return new java.math.BigDecimal(num.doubleValue()); |
| } |
| return value; |
| } |
| «ENDDEFINE» |