at.bestsolution.efxclipse.tooling.jdt.ui.internal.refactoring.RefactoringUtil.java Source code

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Here is the source code for at.bestsolution.efxclipse.tooling.jdt.ui.internal.refactoring.RefactoringUtil.java

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/*******************************************************************************
 * Copyright (c) 2012 BestSolution.at 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:
 *     Martin Bluehweis<martin.bluehweis@bestsolution.at> - initial API and implementation
 *******************************************************************************/
package at.bestsolution.efxclipse.tooling.jdt.ui.internal.refactoring;

import org.eclipse.core.resources.IResource;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.core.PackageFragment;

/**
 * @author martin
 */
public class RefactoringUtil {
    /**
     * hidden constructor.
     */
    private RefactoringUtil() {
        // nothing here, this is a utility class.
    }

    /**
     * Build thh fully qualified name of a resource.
     * 
     * @param resource
     *            resource
     * @return fully qualified name
     */
    public static String buildFullyQualifiedName(IResource resource) {
        IJavaElement je = JavaCore.create(resource);
        if (je != null) {
            try {
                return JavaCore.create(resource.getProject())
                        .findType(je.getParent().getElementName(),
                                je.getElementName().replace("." + resource.getFileExtension(), ""))
                        .getFullyQualifiedName();
            } catch (JavaModelException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
                return "";
            }
        } else {
            return getNonJavaElementName(resource, resource.getName());
        }
    }

    /**
     * @param resource
     *            resource
     * @param name
     *            name
     * @return element name
     */
    private static String getNonJavaElementName(final IResource resource, final String name) {
        IJavaElement j = JavaCore.create(resource.getParent());
        if (j instanceof IPackageFragment) {
            IPackageFragment p = (IPackageFragment) j;
            return p.getElementName().replace('.', '/') + "/" + name;
        } else if (j instanceof IPackageFragmentRoot) {
            return resource.getName();
        } else {
            return "";
        }
    }

    public static String getNewFullyQualifiedName(final IResource resource, final String newName) {
        IJavaElement e = JavaCore.create(resource);
        if (e != null) {
            return e.getParent().getElementName() + "." + newName.replaceAll(".java", "");
        } else {
            return getNonJavaElementName(resource, newName);
        }
    }

    /**
     * @param resource
     *            resource
     * @param newDestination
     *            the new destination
     * @return
     */
    public static String getNewDestinationFullyQualifiedName(final IResource resource,
            final String newDestination) {
        // TODO Auto-generated method stub
        String projectRelativeDestination = "F/" + resource.getProject().getName();
        IJavaElement e = JavaCore.create(
                resource.getProject().getFolder(newDestination.replaceFirst(projectRelativeDestination, "")));
        if (e != null && e instanceof PackageFragment) {
            PackageFragment p = (PackageFragment) e;
            return p.getElementName() + "." + resource.getName().replaceAll(".java", "");
        } else if (e != null && e instanceof IPackageFragmentRoot) {
            return resource.getName();
        } else {
            return "bla";
        }
    }
}