/*
* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package com.sun.nio.zipfs;
import java.nio.file.*;
import java.nio.file.spi.*;
import java.nio.file.attribute.*;
import java.nio.file.spi.FileSystemProvider;
import java.net.URI;
import java.io.IOException;
import java.net.URISyntaxException;
import java.nio.channels.FileChannel;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
public class JarFileSystemProvider extends ZipFileSystemProvider
{
@Override
public String getScheme() {
return "jar";
}
@Override
protected Path uriToPath(URI uri) {
String scheme = uri.getScheme();
if ((scheme == null) || !scheme.equalsIgnoreCase(getScheme())) {
throw new IllegalArgumentException("URI scheme is not '" + getScheme() + "'");
}
try {
String uristr = uri.toString();
int end = uristr.indexOf("!/");
uristr = uristr.substring(4, (end == -1) ? uristr.length() : end);
uri = new URI(uristr);
return Paths.get(new URI("file", uri.getHost(), uri.getPath(), null))
.toAbsolutePath();
} catch (URISyntaxException e) {
throw new AssertionError(e); //never thrown
}
}
@Override
public Path getPath(URI uri) {
FileSystem fs = getFileSystem(uri);
String path = uri.getFragment();
if (path == null) {
String uristr = uri.toString();
int off = uristr.indexOf("!/");
if (off != -1)
path = uristr.substring(off + 2);
}
if (path != null)
return fs.getPath(path);
throw new IllegalArgumentException("URI: "
+ uri
+ " does not contain path fragment ex. jar:///c:/foo.zip!/BAR");
}
}