Case Study: adding data and statistics

[ifi-stolz-refaktor.git] / case-study / jdt-before / ui / org / eclipse / jdt / internal / ui / fix / IMultiFix.java

diff --git a/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/fix/IMultiFix.java b/case-study/jdt-before/ui/org/eclipse/jdt/internal/ui/fix/IMultiFix.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 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
+ *******************************************************************************/
+package org.eclipse.jdt.internal.ui.fix;
+
+
+import org.eclipse.jdt.core.ICompilationUnit;
+import org.eclipse.jdt.core.dom.CompilationUnit;
+
+import org.eclipse.jdt.ui.cleanup.CleanUpContext;
+import org.eclipse.jdt.ui.cleanup.ICleanUp;
+import org.eclipse.jdt.ui.text.java.IProblemLocation;
+
+public interface IMultiFix extends ICleanUp {
+
+       public class MultiFixContext extends CleanUpContext {
+
+               private final IProblemLocation[] fLocations;
+
+               public MultiFixContext(ICompilationUnit unit, CompilationUnit ast, IProblemLocation[] locations) {
+                       super(unit, ast);
+                       fLocations= locations;
+               }
+
+               /**
+                * @return locations of problems to fix.
+                */
+               public IProblemLocation[] getProblemLocations() {
+                       return fLocations;
+               }
+       }
+
+       /**
+        * True if <code>problem</code> in <code>ICompilationUnit</code> can be
+        * fixed by this CleanUp.
+        * <p>
+        * <strong>This must be a fast operation, the result can be a guess.</strong>
+        * </p>
+        *
+        * @param compilationUnit
+        *            The compilation unit to fix not null
+        * @param problem
+        *            The location of the problem to fix
+        * @return True if problem can be fixed
+        */
+       public boolean canFix(ICompilationUnit compilationUnit, IProblemLocation problem);
+
+       /**
+        * Maximal number of problems this clean up will fix in compilation unit.
+        * There may be less then the returned number but never more.
+        *
+        * @param compilationUnit
+        *            The compilation unit to fix, not null
+        * @return The maximal number of fixes or -1 if unknown.
+        */
+       public abstract int computeNumberOfFixes(CompilationUnit compilationUnit);
+
+}