Copyright (c) 2000, 2018 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2018 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ltk.internal.core.refactoring;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;

import org.eclipse.core.resources.IFile;

import org.eclipse.text.edits.MalformedTreeException;

import org.eclipse.jface.text.BadLocationException;

import org.eclipse.ltk.core.refactoring.IRefactoringCoreStatusCodes;
import org.eclipse.ltk.core.refactoring.RefactoringStatus;
import org.eclipse.ltk.core.refactoring.resource.Resources;

public class Changes {

	public static RefactoringStatus validateModifiesFiles(IFile[] filesToModify) {
		RefactoringStatus result= new RefactoringStatus();
		IStatus status= Resources.checkInSync(filesToModify);
		if (!status.isOK())
			result.merge(RefactoringStatus.create(status));
		status= Resources.makeCommittable(filesToModify, null);
		if (!status.isOK()) {
			result.merge(RefactoringStatus.create(status));
			if (!result.hasFatalError()) {
				result.addFatalError(RefactoringCoreMessages.Changes_validateEdit);
			}
		}
		return result;
	}

	public static RefactoringStatus checkInSync(IFile[] filesToModify) {
		RefactoringStatus result= new RefactoringStatus();
		IStatus status= Resources.checkInSync(filesToModify);
		if (!status.isOK())
			result.merge(RefactoringStatus.create(status));
		return result;
	}

	public static CoreException asCoreException(BadLocationException e) {
		String message= e.getMessage();
		if (message == null)
			message= "BadLocationException"; //$NON-NLS-1$
		return new CoreException(new Status(IStatus.ERROR, RefactoringCorePlugin.getPluginId(), IRefactoringCoreStatusCodes.BAD_LOCATION, message, e));
	}

	public static CoreException asCoreException(MalformedTreeException e) {
		String message= e.getMessage();
		if (message == null)
			message= "MalformedTreeException"; //$NON-NLS-1$
		return new CoreException(new Status(IStatus.ERROR, RefactoringCorePlugin.getPluginId(), IRefactoringCoreStatusCodes.BAD_LOCATION, message, e));
	}
}