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/*****************************************************************************
* Copyright (c) 2011, 2016 Atos Origin Integration, Christian W. Damus, 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:
* Tristan Faure (Atos Origin Integration) tristan.faure@atosorigin.com - Initial API and implementation
* Christian W. Damus - bug 485220
*
*****************************************************************************/
package org.eclipse.papyrus.infra.onefile.utils;
import java.util.ArrayList;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.Path;
import org.eclipse.papyrus.infra.core.resource.sasheditor.DiModel;
import org.eclipse.papyrus.infra.onefile.model.IPapyrusFile;
import org.eclipse.papyrus.infra.onefile.model.PapyrusModelHelper;
/**
* Utility methods
*
* @author tristan.faure@atosorigin.com
*
*/
public class OneFileUtils {
/**
* Determines if a di exist in the container from a file name
*
* @param fileName
* @param parent
* @return
*/
public static boolean diExists(String fileName, IContainer parent) {
return getDi(fileName, parent) != null;
}
/**
* Determines if a di exist in the container from a file name
*
* @param fileName
* @param parent
* @return
*/
public static IFile getDi(String fileName, IContainer parent) {
if (parent == null || parent.getType() == IResource.ROOT) {
return null;
}
String substring = fileName;
if (fileName.indexOf('.') > 0) {
substring = fileName.substring(0, fileName.lastIndexOf('.'));
}
IFile file = parent.getFile(new Path(substring + "." + DiModel.DI_FILE_EXTENSION));
if (file.exists()) {
return file;
}
return null;
}
/**
* check if the element has children or not
*
* @param element
* @return
*/
public static boolean hasChildren(Object element) {
if (element instanceof IContainer) {
IContainer container = (IContainer) element;
try {
return container.members().length > 0;
} catch (CoreException e) {
}
}
if (element instanceof IPapyrusFile) {
IPapyrusFile iPapyrusFile = (IPapyrusFile) element;
return iPapyrusFile.getMainFile() != null && iPapyrusFile.getAssociatedResources().length > 1;
}
return false;
}
/**
* Check if the element in parameter is visible or not
*
* @param element
* @return
*/
public static boolean isVisible(Object element) {
if (element instanceof IFile) {
IFile file = (IFile) element;
return !OneFileUtils.diExists(file.getName(), file.getParent());
}
return true; // Don't filter unknown types
}
/**
* Check if the resource is a Papyrus Di
*
* @param fileName
* @return
*/
public static boolean isDi(IResource fileName) {
return PapyrusModelHelper.getPapyrusModelFactory().isDi(fileName);
}
/**
* Returns the name without the extension of the file
*
* @param res
* @return
*/
public static String withoutFileExtension(IResource res) {
if (res.getFileExtension() != null && res.getFileExtension().length() > 0) {
return res.getName().substring(0, res.getName().lastIndexOf('.'));
} else {
return res.getName();
}
}
/**
* Check if the resource has a DI inside it
*
* @param resource
* @return
*/
public static boolean containsModelFiles(IResource resource) {
if (resource instanceof IContainer) {
IContainer container = (IContainer) resource;
try {
for (IResource m : container.members()) {
if (isDi(m)) {
return true;
}
}
} catch (CoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return false;
}
public static IFile[] getAssociatedFiles(IPapyrusFile papyrusFile) {
ArrayList<IFile> files = new ArrayList<IFile>();
for (IResource res : papyrusFile.getAssociatedResources()) {
if (res instanceof IFile) {
files.add((IFile) res);
}
}
return files.toArray(new IFile[files.size()]);
}
}
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