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/*******************************************************************************
* Copyright (c) 2005, 2012 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
* Andrew Gvozdev (Quoin Inc.) - contributed to CDT from org.eclipse.core.tests.resources v20090320
*******************************************************************************/
package org.eclipse.cdt.core.internal.tests.filesystem.ram;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import org.eclipse.core.filesystem.*;
import org.eclipse.core.filesystem.provider.FileStore;
import org.eclipse.core.runtime.*;
/**
* In memory file system implementation used for testing.
*/
public class MemoryFileStore extends FileStore {
private static final MemoryTree TREE = MemoryTree.TREE;
private final IPath path;
public MemoryFileStore(IPath path) {
super();
this.path = path.setDevice(null);
}
@Override
public String[] childNames(int options, IProgressMonitor monitor) {
final String[] names = TREE.childNames(path);
return names == null ? EMPTY_STRING_ARRAY : names;
}
@Override
public void delete(int options, IProgressMonitor monitor) {
TREE.delete(path);
}
@Override
public IFileInfo fetchInfo(int options, IProgressMonitor monitor) {
return TREE.fetchInfo(path);
}
@Override
public IFileStore getChild(String name) {
return new MemoryFileStore(path.append(name));
}
@Override
public String getName() {
final String name = path.lastSegment();
return name == null ? "" : name;
}
@Override
public IFileStore getParent() {
if (path.segmentCount() == 0)
return null;
return new MemoryFileStore(path.removeLastSegments(1));
}
@Override
public IFileStore mkdir(int options, IProgressMonitor monitor) throws CoreException {
TREE.mkdir(path, (options & EFS.SHALLOW) == 0);
return this;
}
@Override
public InputStream openInputStream(int options, IProgressMonitor monitor) throws CoreException {
return TREE.openInputStream(path);
}
@Override
public OutputStream openOutputStream(int options, IProgressMonitor monitor) throws CoreException {
return TREE.openOutputStream(path, options);
}
@Override
public void putInfo(IFileInfo info, int options, IProgressMonitor monitor) throws CoreException {
TREE.putInfo(path, info, options);
}
@Override
public URI toURI() {
return MemoryFileSystem.toURI(path);
}
}
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