// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.debug.core.efs;
import java.net.URI;
import java.net.URISyntaxException;
import org.chromium.debug.core.ChromiumDebugPlugin;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.filesystem.provider.FileSystem;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
/**
* An in-memory filesystem for remote scripts.
* The supported URLs are {@code chromiumdebug:///resource_path}.
*/
public class ChromiumScriptFileSystem extends FileSystem {
/** All file URLs in this filesystem have this scheme. */
private static final String CHROMIUMDEBUG_SCHEME = "chromiumdebug"; //$NON-NLS-1$
@Override
public IFileStore getStore(URI uri) {
return new ChromiumScriptFileStore(this, toPath(uri));
}
public IFileStore getStore(IPath path) {
return getStore(toUri(path));
}
/**
* Constructs a URI by a path.
*
* @param path of a filesystem resource
* @return a URI corresponding to the given {@code path}
*/
public static URI getFileStoreUri(IPath path) {
try {
return new URI(CHROMIUMDEBUG_SCHEME, null, path.toPortableString(), null);
} catch (URISyntaxException e) {
ChromiumDebugPlugin.log(e);
return null;
}
}
public static boolean isChromiumDebugURI(URI uri) {
return CHROMIUMDEBUG_SCHEME.equals(uri.getScheme());
}
/**
* Converts a chromiumdebug FS FileStore URI into a path relative to the FS root.
*
* @param uri to convert
* @return the path corresponding to the uri
*/
static IPath toPath(URI uri) {
return Path.fromPortableString(uri.getPath()).setDevice(null);
}
/**
* Converts a chromiumdebug FS FileStore path into a FS URI.
*
* @param path to convert
* @return the URI corresponding to the given path
*/
static URI toUri(IPath path) {
try {
return new URI(CHROMIUMDEBUG_SCHEME, null, path.toPortableString(), null);
} catch (URISyntaxException e) {
return null;
}
}
}