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/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.uberfire.java.nio.file;
import java.net.URI;
import java.util.Map;
import java.util.ServiceConfigurationError;
import org.uberfire.java.nio.IOException;
import org.uberfire.java.nio.file.api.FileSystemProviders;
import static java.util.Collections.emptyMap;
import static org.kie.soup.commons.validation.Preconditions.checkNotNull;
/**
* Back port of JSR-203 from Java Platform, Standard Edition 7.
*
* @see Original JavaDoc
*/
public final class FileSystems {
private FileSystems() {
}
/**
* @see Original JavaDoc
*/
public static FileSystem getDefault() {
return DefaultFileSystemHolder.defaultFileSystem;
}
/**
* @throws IllegalArgumentException
* @throws FileSystemNotFoundException
* @throws ProviderNotFoundException
* @throws SecurityException
* @see Original JavaDoc
*/
public static FileSystem getFileSystem(final URI uri)
throws IllegalArgumentException, FileSystemNotFoundException, ProviderNotFoundException, SecurityException {
checkNotNull("uri",
uri);
return FileSystemProviders.resolveProvider(uri).getFileSystem(uri);
}
/**
* @throws IllegalArgumentException
* @throws FileSystemAlreadyExistsException
* @throws ProviderNotFoundException
* @throws IOException
* @throws SecurityException
* @see Original JavaDoc
*/
public static FileSystem newFileSystem(final URI uri,
final Map env)
throws IllegalArgumentException, FileSystemAlreadyExistsException, ProviderNotFoundException,
IOException, SecurityException {
checkNotNull("uri",
uri);
checkNotNull("env",
env);
return newFileSystem(uri,
env,
null);
}
/**
* @throws IllegalArgumentException
* @throws ProviderNotFoundException
* @throws ServiceConfigurationError
* @throws IOException
* @throws SecurityException
* @see Original JavaDoc
*/
public static FileSystem newFileSystem(final Path path,
final ClassLoader loader)
throws IllegalArgumentException, ProviderNotFoundException, ServiceConfigurationError, IOException, SecurityException {
checkNotNull("path",
path);
final Map env = emptyMap();
return newFileSystem(path.toUri(),
env,
null);
}
/**
* @throws IllegalArgumentException
* @throws FileSystemAlreadyExistsException
* @throws ProviderNotFoundException
* @throws ServiceConfigurationError
* @throws IOException
* @throws SecurityException
* @see Original JavaDoc
*/
public static FileSystem newFileSystem(final URI uri,
final Map env,
final ClassLoader loader)
throws IllegalArgumentException, FileSystemAlreadyExistsException, ProviderNotFoundException,
ServiceConfigurationError, IOException, SecurityException {
checkNotNull("uri",
uri);
checkNotNull("env",
env);
return FileSystemProviders.resolveProvider(uri).newFileSystem(uri,
env);
}
// for lazy init
private static class DefaultFileSystemHolder {
static final FileSystem defaultFileSystem = getDefaultFileSystem();
private static FileSystem getDefaultFileSystem() {
return FileSystemProviders.getDefaultProvider().getFileSystem(URI.create("default:///"));
}
}
}
