org.codehaus.groovy.eclipse.refactoring.test.TestRenameParticipantShared.java Source code

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Here is the source code for org.codehaus.groovy.eclipse.refactoring.test.TestRenameParticipantShared.java

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/*******************************************************************************
 * Copyright (c) 2000, 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.codehaus.groovy.eclipse.refactoring.test;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import junit.framework.Assert;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.core.resources.IResource;

import org.eclipse.ltk.core.refactoring.Change;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.core.refactoring.participants.CheckConditionsContext;
import org.eclipse.ltk.core.refactoring.participants.ISharableParticipant;
import org.eclipse.ltk.core.refactoring.participants.RefactoringArguments;
import org.eclipse.ltk.core.refactoring.participants.RenameArguments;
import org.eclipse.ltk.core.refactoring.participants.RenameParticipant;

import org.eclipse.jdt.core.IField;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.refactoring.IJavaElementMapper;
import org.eclipse.jdt.core.refactoring.RenameTypeArguments;

public class TestRenameParticipantShared extends RenameParticipant implements ISharableParticipant {

    static TestRenameParticipantShared fgInstance;
    List fElements = new ArrayList(3);
    List fHandles = new ArrayList(3);
    List fArguments = new ArrayList(3);
    Map fSimilarToHandle = new HashMap();
    Map fSimilarToNewName = new HashMap();

    public boolean initialize(Object element) {
        fgInstance = this;
        fElements.add(element);
        fArguments.add(getArguments());
        if (element instanceof IJavaElement)
            fHandles.add(((IJavaElement) element).getHandleIdentifier());
        else
            fHandles.add(((IResource) element).getFullPath().toString());

        IJavaElementMapper updating = (IJavaElementMapper) getProcessor().getAdapter(IJavaElementMapper.class);
        if ((updating != null) && getArguments() instanceof RenameTypeArguments) {
            RenameTypeArguments arguments = (RenameTypeArguments) getArguments();
            if (arguments.getUpdateSimilarDeclarations()) {
                IJavaElement[] elements = arguments.getSimilarDeclarations();
                for (int i = 0; i < elements.length; i++) {
                    IJavaElement updated = updating.getRefactoredJavaElement(elements[i]);
                    if (updated != null) {
                        fSimilarToHandle.put(elements[i].getHandleIdentifier(), getKey(updated));
                        fSimilarToNewName.put(elements[i].getHandleIdentifier(), updated.getElementName());
                    }
                }
            }
        }

        return true;
    }

    private String getKey(IJavaElement updated) {
        if (updated instanceof IType)
            return ((IType) updated).getKey();
        else if (updated instanceof IMethod)
            return ((IMethod) updated).getKey();
        else if (updated instanceof IField)
            return ((IField) updated).getKey();
        return "";
    }

    public void addElement(Object element, RefactoringArguments args) {
        fElements.add(element);
        fArguments.add(args);
        if (element instanceof IJavaElement)
            fHandles.add(((IJavaElement) element).getHandleIdentifier());
        else
            fHandles.add(((IResource) element).getFullPath().toString());
    }

    public String getName() {
        return getClass().getName();
    }

    public RefactoringStatus checkConditions(IProgressMonitor pm, CheckConditionsContext context) {
        return new RefactoringStatus();
    }

    public Change createChange(IProgressMonitor pm) throws CoreException {
        return null;
    }

    public static void testNumberOfElements(int expected) {
        if (expected == 0) {
            Assert.assertTrue(fgInstance == null);
        } else {
            Assert.assertEquals(expected, fgInstance.fElements.size());
            Assert.assertEquals(expected, fgInstance.fArguments.size());
        }
    }

    public static void testArguments(RenameArguments[] args) {
        testNumberOfElements(args.length);
        for (int i = 0; i < args.length; i++) {
            RenameArguments expected = args[i];
            RenameArguments actual = (RenameArguments) fgInstance.fArguments.get(i);
            Assert.assertEquals(expected.getNewName(), actual.getNewName());
            Assert.assertEquals(expected.getUpdateReferences(), actual.getUpdateReferences());
        }
    }

    public static void reset() {
        fgInstance = null;
    }

    public static void testNumberOfSimilarElements(int expected) {
        if (expected == 0)
            Assert.assertTrue(fgInstance == null);
        else
            Assert.assertEquals(expected, fgInstance.fSimilarToHandle.size());
    }

    public static void testSimilarElements(List similarList, List similarNewNameList, List similarNewHandleList) {
        for (int i = 0; i < similarList.size(); i++) {
            String handle = (String) similarList.get(i);
            String newHandle = (String) similarNewHandleList.get(i);
            String newName = (String) similarNewNameList.get(i);
            String actualNewHandle = (String) fgInstance.fSimilarToHandle.get(handle);
            String actualNewName = (String) fgInstance.fSimilarToNewName.get(handle);
            Assert.assertEquals("New element handle not as expected", newHandle, actualNewHandle);
            Assert.assertEquals("New element name not as expected", newName, actualNewName);
        }
        Assert.assertEquals(similarList.size(), fgInstance.fSimilarToHandle.size());
    }
}