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/*******************************************************************************
* Copyright (c) 2014, 2015 Wind River Systems, Inc.
* 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:
* Markus Schorn - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.remote.core;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.net.URISyntaxException;
import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.filesystem.IFileInfo;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.filesystem.provider.FileInfo;
import org.eclipse.core.filesystem.provider.FileStore;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.remote.core.IRemoteConnectionType;
import org.eclipse.remote.core.IRemoteServicesManager;
import org.eclipse.remote.internal.core.RemotePath;
import org.eclipse.tcf.services.IFileSystem.FileAttrs;
import org.eclipse.tcf.te.tcf.remote.core.activator.CoreBundleActivator;
import org.eclipse.tcf.te.tcf.remote.core.operation.TCFOperationChildStores;
import org.eclipse.tcf.te.tcf.remote.core.operation.TCFOperationDelete;
import org.eclipse.tcf.te.tcf.remote.core.operation.TCFOperationFetchInfo;
import org.eclipse.tcf.te.tcf.remote.core.operation.TCFOperationMkDir;
import org.eclipse.tcf.te.tcf.remote.core.operation.TCFOperationOpenInputStream;
import org.eclipse.tcf.te.tcf.remote.core.operation.TCFOperationOpenOutputStream;
import org.eclipse.tcf.te.tcf.remote.core.operation.TCFOperationPutInfo;
public final class TCFFileStore extends FileStore {
public static final String SCHEME = "tcf"; //$NON-NLS-1$
public static final String NOSLASH_MARKER = "/./"; //$NON-NLS-1$
public static String addNoSlashMarker(String path) {
if (path.length() > 0 && path.charAt(0) != '/')
return NOSLASH_MARKER + path;
return path;
}
public static String stripNoSlashMarker(String path) {
if (path.startsWith(NOSLASH_MARKER))
return path.substring(NOSLASH_MARKER.length());
return path;
}
public static URI toURI(TCFConnection connection, String path) {
try {
return new URI(SCHEME, connection.getName(), addNoSlashMarker(path), null, null);
} catch (URISyntaxException e) {
return null;
}
}
public static String toPath(URI uri) {
return stripNoSlashMarker(uri.getPath());
}
public static TCFConnection toConnection(URI uri) {
IRemoteServicesManager rsm = CoreBundleActivator.getService(IRemoteServicesManager.class);
if (rsm == null)
return null;
IRemoteConnectionType ct = rsm.getConnectionType(uri);
if (ct == null)
return null;
String peerName = uri.getAuthority();
if (peerName == null)
return null;
return TCFConnectionManager.INSTANCE.mapConnection(ct.getConnection(peerName));
}
public static IFileStore getInstance(URI uri) {
TCFConnection connection = toConnection(uri);
String path = toPath(uri);
if (connection != null) {
return new TCFFileStore(connection, path, null);
}
return EFS.getNullFileSystem().getStore(RemotePath.forPosix(path));
}
private final TCFConnection fConnection;
private final String fPath;
private FileAttrs fAttributes;
private TCFFileStore fParent;
private boolean fArtificialRoot;
TCFFileStore(TCFConnection connection, String path, TCFFileStore parent) {
fPath = path;
fConnection = connection;
fParent = parent;
}
@Override
public URI toURI() {
return toURI(fConnection, fPath);
}
public TCFConnection getConnection() {
return fConnection;
}
public String getPath() {
return fPath;
}
public void setAttributes(FileAttrs attrs) {
fAttributes = attrs;
}
public FileAttrs getAttributes() {
return fAttributes;
}
@Override
public IFileStore getChild(String name) {
// Remove trailing slash
if (name.length() > 1 && name.endsWith("/")) //$NON-NLS-1$
name = name.substring(0, name.length()-1);
String path;
if (fArtificialRoot) {
path = name;
} else if (fPath.endsWith("/")) { //$NON-NLS-1$
path = fPath + name;
} else {
path = fPath + "/" + name; //$NON-NLS-1$
}
return new TCFFileStore(fConnection, path, this);
}
@Override
public String getName() {
String path = getPath();
if (fParent == null || fParent.fArtificialRoot)
return path;
int idx = path.lastIndexOf('/', path.length()-2);
if (idx > 0)
return path.substring(idx + 1);
return path;
}
@Override
public IFileStore getParent() {
if (fParent != null)
return fParent;
int idx = fPath.lastIndexOf('/');
if (idx < 1)
return null;
fParent = new TCFFileStore(fConnection, fPath.substring(0, idx-1), null);
return fParent;
}
@Override
public IFileInfo fetchInfo(int options, IProgressMonitor monitor) throws CoreException {
try {
return new TCFOperationFetchInfo(this).execute(SubMonitor.convert(monitor));
} catch (OperationCanceledException e) {
}
return new FileInfo(getName());
}
@Override
public IFileStore[] childStores(int options, IProgressMonitor monitor) throws CoreException {
try {
return new TCFOperationChildStores(this).execute(SubMonitor.convert(monitor));
} catch (OperationCanceledException e) {
}
return new IFileStore[0];
}
@Override
public String[] childNames(int options, IProgressMonitor monitor) throws CoreException {
IFileStore[] children = childStores(options, monitor);
String[] result = new String[children.length];
int i = 0;
for (IFileStore s : children) {
result[i++] = s.getName();
}
return result;
}
@Override
public void delete(int options, IProgressMonitor monitor) throws CoreException {
try {
new TCFOperationDelete(this).execute(SubMonitor.convert(monitor));
} catch (OperationCanceledException e) {
}
}
@Override
public IFileStore mkdir(int options, IProgressMonitor monitor) throws CoreException {
boolean shallow = (options & EFS.SHALLOW) == EFS.SHALLOW;
try {
new TCFOperationMkDir(this, shallow).execute(SubMonitor.convert(monitor));
} catch (OperationCanceledException e) {
}
return this;
}
@Override
public void putInfo(IFileInfo info, int options, IProgressMonitor monitor) throws CoreException {
boolean setAttribs = (options & EFS.SET_ATTRIBUTES) != 0;
boolean setLastModified = (options & EFS.SET_LAST_MODIFIED) != 0;
try {
if (setAttribs || setLastModified) {
new TCFOperationPutInfo(this, info, setAttribs, setLastModified).execute(SubMonitor.convert(monitor));
}
} catch (OperationCanceledException e) {
}
}
@Override
public InputStream openInputStream(int options, IProgressMonitor monitor) throws CoreException {
try {
return new TCFOperationOpenInputStream(this).execute(SubMonitor.convert(monitor));
} catch (OperationCanceledException e) {
return null;
}
}
@Override
public OutputStream openOutputStream(int options, IProgressMonitor monitor) throws CoreException {
boolean append = (options & EFS.APPEND) != 0;
try {
return new TCFOperationOpenOutputStream(this, append).execute(SubMonitor.convert(monitor));
} catch (OperationCanceledException e) {
return null;
}
}
public void setIsArtificialRoot() {
fArtificialRoot = true;
}
}
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