Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-after / ui / org / eclipse / jdt / ui / cleanup / CleanUpContext.java

diff --git a/case-study/jdt-after/ui/org/eclipse/jdt/ui/cleanup/CleanUpContext.java b/case-study/jdt-after/ui/org/eclipse/jdt/ui/cleanup/CleanUpContext.java
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+/*******************************************************************************
+ * Copyright (c) 2008, 2011 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
+ *******************************************************************************/
+package org.eclipse.jdt.ui.cleanup;
+
+import java.util.List;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.CoreException;
+
+import org.eclipse.jface.text.IRegion;
+
+import org.eclipse.jdt.core.ICompilationUnit;
+import org.eclipse.jdt.core.dom.CompilationUnit;
+
+import org.eclipse.jdt.internal.corext.fix.CleanUpRefactoring.CleanUpASTRequestor;
+import org.eclipse.jdt.internal.corext.fix.CleanUpRefactoring.CleanUpChange;
+import org.eclipse.jdt.internal.corext.fix.CleanUpRefactoring.FixCalculationException;
+
+import org.eclipse.jdt.internal.ui.fix.IMultiLineCleanUp.MultiLineCleanUpContext;
+
+
+/**
+ * The context that contains all information required by a clean up to create a fix.
+ * 
+ * @since 3.5
+ */
+public class CleanUpContext {
+
+       private final ICompilationUnit fUnit;
+
+       private final CompilationUnit fAst;
+
+       /**
+        * Creates a new clean up context.
+        * 
+        * @param unit the compilation unit
+        * @param ast the AST, can be <code>null</code> if {@link CleanUpRequirements#requiresAST()}
+        *            returns <code>false</code>. The AST is guaranteed to contain changes made by
+        *            previous clean ups only if {@link CleanUpRequirements#requiresFreshAST()} returns
+        *            <code>true</code>.
+        */
+       public CleanUpContext(ICompilationUnit unit, CompilationUnit ast) {
+               Assert.isLegal(unit != null);
+               fUnit= unit;
+               fAst= ast;
+       }
+
+       /**
+        * The compilation unit to clean up.
+        * 
+        * @return the compilation unit to clean up
+        */
+       public ICompilationUnit getCompilationUnit() {
+               return fUnit;
+       }
+
+       /**
+        * An AST built from the compilation unit to fix.
+        * <p>
+        * Can be <code>null</code> if {@link CleanUpRequirements#requiresAST()} returns
+        * <code>false</code>. The AST is guaranteed to contain changes made by previous clean ups only
+        * if {@link CleanUpRequirements#requiresFreshAST()} returns <code>true</code>.
+        * </p>
+        * <p>Clients should check the AST API level and do nothing if they are given an AST
+        * they can't handle (see {@link org.eclipse.jdt.core.dom.AST#apiLevel()}).
+        * 
+        * @return an AST or <code>null</code> if none required
+        */
+       public CompilationUnit getAST() {
+               return fAst;
+       }
+
+       public IRegion[] generated_6627492830046161449() {
+               IRegion[] regions;
+               if (this instanceof MultiLineCleanUpContext) {
+                       regions= ((MultiLineCleanUpContext)this).getRegions();
+               } else {
+                       regions= null;
+               }
+               return regions;
+       }
+
+       public ICleanUp[] generated_952798979635111062(CleanUpASTRequestor cleanupastrequestor, ICleanUp[] cleanUps, List<ICleanUp> result, CleanUpChange solution) {
+               try {
+                       solution= CleanUpASTRequestor.calculateChange(this, cleanUps, result, null);
+               } catch (CoreException e) {
+                       throw new FixCalculationException(e);
+               }
+       
+               if (solution != null) {
+                       cleanupastrequestor.integrateSolution(solution, getCompilationUnit());
+               }
+       
+               return result.toArray(new ICleanUp[result.size()]);
+       }
+}
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