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JRubyFile.java
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JRubyFile.java
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/***** BEGIN LICENSE BLOCK *****
* Version: EPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Eclipse Public
* License Version 1.0 (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.eclipse.org/legal/epl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2006 Ola Bini <ola@ologix.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the EPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the EPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
/**
* $Id$
*/
package org.jruby.util;
import java.io.File;
import java.io.FileFilter;
import java.io.FilenameFilter;
import java.io.IOException;
import jnr.posix.POSIX;
import org.jruby.Ruby;
import org.jruby.RubyFile;
import org.jruby.runtime.ThreadContext;
import jnr.posix.JavaSecuredFile;
import org.jruby.platform.Platform;
import java.util.jar.JarFile;
import java.util.jar.JarEntry;
import java.util.zip.ZipEntry;
import java.io.IOException;
/**
* <p>This file acts as an alternative to NormalizedFile, due to the problems with current working
* directory.</p>
*
*/
public class JRubyFile extends JavaSecuredFile {
private static final long serialVersionUID = 435364547567567L;
public static JRubyFile create(String cwd, String pathname) {
return createNoUnicodeConversion(cwd, pathname);
}
public static FileResource createResource(ThreadContext context, String pathname) {
return createResource(context.runtime, pathname);
}
public static FileResource createResource(Ruby runtime, String pathname) {
return createResource(runtime.getPosix(), runtime.getCurrentDirectory(), pathname);
}
public static FileResource createResource(POSIX posix, String cwd, String pathname) {
FileResource emptyResource = EmptyFileResource.create(pathname);
if (emptyResource != null) return emptyResource;
// This will work against anything potentially containing a '!' in it and does not require a scheme.
// (see test/test_java_on_load_path.rb: $LOAD_PATH << "test/test_jruby_1332.jar!"; require 'test_jruby_1332.rb'
FileResource jarResource = JarResource.create(pathname);
if (jarResource != null) return jarResource;
if (pathname.contains(":")) { // scheme-oriented resources
if (pathname.startsWith("classpath:")) return ClasspathResource.create(pathname);
// replace is needed for maven/jruby-complete/src/it/app_using_classpath_uri to work
if (pathname.startsWith("uri:")) return URLResource.create(pathname.replace("classpath:/", ""));
if (pathname.startsWith("file:")) pathname = pathname.substring(5);
}
// If any other special resource types fail, count it as a filesystem backed resource.
return new RegularFileResource(posix, create(cwd, pathname));
}
public static String normalizeSeps(String path) {
if (Platform.IS_WINDOWS) {
return path.replace(File.separatorChar, '/');
} else {
return path;
}
}
private static JRubyFile createNoUnicodeConversion(String cwd, String pathname) {
if (pathname == null || pathname.equals("") || Ruby.isSecurityRestricted()) {
return JRubyNonExistentFile.NOT_EXIST;
}
if(cwd != null && cwd.startsWith("uri:") && !pathname.startsWith("uri:")) {
return new JRubyFile(cwd + "/" + pathname);
}
File internal = new JavaSecuredFile(pathname);
if(!internal.isAbsolute()) {
internal = new JavaSecuredFile(cwd, pathname);
if(!internal.isAbsolute()) {
throw new IllegalArgumentException("Neither current working directory ("+cwd+") nor pathname ("+pathname+") led to an absolute path");
}
}
return new JRubyFile(internal);
}
public static String getFileProperty(String property) {
return normalizeSeps(SafePropertyAccessor.getProperty(property, "/"));
}
private JRubyFile(File file) {
this(file.getAbsolutePath());
}
protected JRubyFile(String filename) {
super(filename);
}
@Override
public String getAbsolutePath() {
if(super.getPath().startsWith("uri:")) {
// TODO better do not collapse // to / for uri: files
return super.getPath().replaceFirst(":/([^/])", "://$1" );
}
return normalizeSeps(new File(super.getPath()).getAbsolutePath());
}
@Override
public String getCanonicalPath() throws IOException {
try {
return normalizeSeps(super.getCanonicalPath());
} catch (IOException e) {
// usually IOExceptions don't tell us anything about the path,
// so add an extra wrapper to give more debugging help.
throw (IOException) new IOException("Unable to canonicalize path: " + getAbsolutePath()).initCause(e);
}
}
@Override
public String getPath() {
return normalizeSeps(super.getPath());
}
@Override
public String toString() {
return normalizeSeps(super.toString());
}
@Override
public File getAbsoluteFile() {
return new JRubyFile(getAbsolutePath());
}
@Override
public File getCanonicalFile() throws IOException {
return new JRubyFile(getCanonicalPath());
}
@Override
public String getParent() {
String par = super.getParent();
if (par != null) {
par = normalizeSeps(par);
}
return par;
}
@Override
public File getParentFile() {
String par = getParent();
if (par == null) {
return this;
} else {
return new JRubyFile(par);
}
}
public static File[] listRoots() {
File[] roots = File.listRoots();
JRubyFile[] smartRoots = new JRubyFile[roots.length];
for(int i = 0, j = roots.length; i < j; i++) {
smartRoots[i] = new JRubyFile(roots[i].getPath());
}
return smartRoots;
}
public static File createTempFile(String prefix, String suffix, File directory) throws IOException {
return new JRubyFile(File.createTempFile(prefix, suffix,directory));
}
public static File createTempFile(String prefix, String suffix) throws IOException {
return new JRubyFile(File.createTempFile(prefix, suffix));
}
@Override
public String[] list(FilenameFilter filter) {
String[] files = super.list(filter);
if (files == null) {
return null;
}
String[] smartFiles = new String[files.length];
for (int i = 0; i < files.length; i++) {
smartFiles[i] = normalizeSeps(files[i]);
}
return smartFiles;
}
@Override
public File[] listFiles() {
File[] files = super.listFiles();
if (files == null) {
return null;
}
JRubyFile[] smartFiles = new JRubyFile[files.length];
for (int i = 0, j = files.length; i < j; i++) {
smartFiles[i] = createNoUnicodeConversion(super.getAbsolutePath(), files[i].getPath());
}
return smartFiles;
}
@Override
public File[] listFiles(final FileFilter filter) {
final File[] files = super.listFiles(filter);
if (files == null) {
return null;
}
JRubyFile[] smartFiles = new JRubyFile[files.length];
for (int i = 0,j = files.length; i < j; i++) {
smartFiles[i] = createNoUnicodeConversion(super.getAbsolutePath(), files[i].getPath());
}
return smartFiles;
}
@Override
public File[] listFiles(final FilenameFilter filter) {
final File[] files = super.listFiles(filter);
if (files == null) {
return null;
}
JRubyFile[] smartFiles = new JRubyFile[files.length];
for (int i = 0,j = files.length; i < j; i++) {
smartFiles[i] = createNoUnicodeConversion(super.getAbsolutePath(), files[i].getPath());
}
return smartFiles;
}
}