| /* |
| * 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 - initial API and implementation |
| * |
| * $Id: StringExpressionOperations.java,v 1.6 2006/12/14 15:49:27 khussey Exp $ |
| */ |
| package org.eclipse.uml2.uml.internal.operations; |
| |
| import java.util.Map; |
| |
| import org.eclipse.emf.common.util.BasicDiagnostic; |
| import org.eclipse.emf.common.util.Diagnostic; |
| import org.eclipse.emf.common.util.DiagnosticChain; |
| import org.eclipse.emf.common.util.EList; |
| |
| import org.eclipse.uml2.uml.StringExpression; |
| import org.eclipse.uml2.uml.ValueSpecification; |
| |
| import org.eclipse.uml2.uml.util.UMLValidator; |
| |
| /** |
| * <!-- begin-user-doc --> |
| * A static utility class that provides operations related to '<em><b>String Expression</b></em>' model objects. |
| * <!-- end-user-doc --> |
| * |
| * <p> |
| * The following operations are supported: |
| * <ul> |
| * <li>{@link org.eclipse.uml2.uml.StringExpression#validateOperands(org.eclipse.emf.common.util.DiagnosticChain, java.util.Map) <em>Validate Operands</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.StringExpression#validateSubexpressions(org.eclipse.emf.common.util.DiagnosticChain, java.util.Map) <em>Validate Subexpressions</em>}</li> |
| * <li>{@link org.eclipse.uml2.uml.StringExpression#stringValue() <em>String Value</em>}</li> |
| * </ul> |
| * </p> |
| * |
| * @generated |
| */ |
| public class StringExpressionOperations |
| extends ValueSpecificationOperations { |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * @generated |
| */ |
| protected StringExpressionOperations() { |
| super(); |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * All the operands of a StringExpression must be LiteralStrings |
| * operand->forAll (op | op.oclIsKindOf (LiteralString)) |
| * <!-- end-model-doc --> |
| * @generated |
| */ |
| public static boolean validateOperands(StringExpression stringExpression, |
| DiagnosticChain diagnostics, Map<Object, Object> context) { |
| // TODO: implement this method |
| // -> specify the condition that violates the invariant |
| // -> verify the details of the diagnostic, including severity and message |
| // Ensure that you remove @generated or mark it @generated NOT |
| if (false) { |
| if (diagnostics != null) { |
| diagnostics |
| .add(new BasicDiagnostic( |
| Diagnostic.ERROR, |
| UMLValidator.DIAGNOSTIC_SOURCE, |
| UMLValidator.STRING_EXPRESSION__OPERANDS, |
| org.eclipse.emf.ecore.plugin.EcorePlugin.INSTANCE |
| .getString( |
| "_UI_GenericInvariant_diagnostic", new Object[]{"validateOperands", org.eclipse.emf.ecore.util.EObjectValidator.getObjectLabel(stringExpression, context)}), //$NON-NLS-1$ //$NON-NLS-2$ |
| new Object[]{stringExpression})); |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * If a StringExpression has sub-expressions, it cannot have operands and vice versa (this avoids the problem of having to |
| * define a collating sequence between operands and subexpressions). |
| * |
| * if subExpression->notEmpty() then operand->isEmpty() else operand->notEmpty() |
| * <!-- end-model-doc --> |
| * @generated |
| */ |
| public static boolean validateSubexpressions( |
| StringExpression stringExpression, DiagnosticChain diagnostics, |
| Map<Object, Object> context) { |
| // TODO: implement this method |
| // -> specify the condition that violates the invariant |
| // -> verify the details of the diagnostic, including severity and message |
| // Ensure that you remove @generated or mark it @generated NOT |
| if (false) { |
| if (diagnostics != null) { |
| diagnostics |
| .add(new BasicDiagnostic( |
| Diagnostic.ERROR, |
| UMLValidator.DIAGNOSTIC_SOURCE, |
| UMLValidator.STRING_EXPRESSION__SUBEXPRESSIONS, |
| org.eclipse.emf.ecore.plugin.EcorePlugin.INSTANCE |
| .getString( |
| "_UI_GenericInvariant_diagnostic", new Object[]{"validateSubexpressions", org.eclipse.emf.ecore.util.EObjectValidator.getObjectLabel(stringExpression, context)}), //$NON-NLS-1$ //$NON-NLS-2$ |
| new Object[]{stringExpression})); |
| } |
| return false; |
| } |
| return true; |
| } |
| |
| protected static StringBuffer stringValue( |
| StringExpression stringExpression, StringBuffer stringValue) { |
| EList<StringExpression> subExpressions = stringExpression |
| .getSubExpressions(); |
| |
| if (!subExpressions.isEmpty()) { |
| |
| for (StringExpression subExpression : subExpressions) { |
| stringValue(subExpression, stringValue); |
| } |
| } else { |
| |
| for (ValueSpecification operand : stringExpression.getOperands()) { |
| stringValue.append(operand.stringValue()); |
| } |
| } |
| |
| return stringValue; |
| } |
| |
| /** |
| * <!-- begin-user-doc --> |
| * <!-- end-user-doc --> |
| * <!-- begin-model-doc --> |
| * The query stringValue() returns the string that concatenates, in order, all the component string literals of all the subexpressions that are part of the StringExpression. |
| * |
| * |
| * result = if subExpression->notEmpty() |
| * then subExpression->iterate(se; stringValue = ?| stringValue.concat(se.stringValue())) |
| * else operand->iterate()(op; stringValue = ? | stringValue.concat(op.value)) |
| * <!-- end-model-doc --> |
| * @generated NOT |
| */ |
| public static String stringValue(StringExpression stringExpression) { |
| return stringValue(stringExpression, new StringBuffer()).toString(); |
| } |
| |
| } // StringExpressionOperations |