/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
/*
* %W% %E%
*/
package com.sun.mail.mbox;
import java.io.File;
import java.io.FileDescriptor;
import java.util.StringTokenizer;
public class UNIXFile extends File {
protected static final boolean loaded;
private static final long serialVersionUID = -7972156315284146651L;
public UNIXFile(String name) {
super(name);
}
static {
boolean lloaded = false;
try {
System.loadLibrary("mbox");
lloaded = true;
} catch (UnsatisfiedLinkError e) {
String classpath = System.getProperty("java.class.path");
String sep = System.getProperty("path.separator");
StringTokenizer st = new StringTokenizer(classpath, sep);
while (st.hasMoreTokens()) {
String path = st.nextToken();
int i = path.length() - 7; // 7 == "classes".length()
if (i > 0 && path.substring(i).equals("classes")) {
// XXX - pathname is Solaris/SPARC specific
String lib = path.substring(0, i) + "lib/sparc/libmbox.so";
try {
System.load(lib);
lloaded = true;
break;
} catch (UnsatisfiedLinkError e2) {
continue;
}
} else if ((i = path.length() - 8) > 0 &&
path.substring(i).equals("mail.jar")) {
// XXX - pathname is Solaris/SPARC specific
String lib = path.substring(0, i) + "lib/sparc/libmbox.so";
try {
System.load(lib);
lloaded = true;
break;
} catch (UnsatisfiedLinkError e2) {
continue;
}
}
}
}
loaded = lloaded;
if (loaded)
initIDs(FileDescriptor.class, FileDescriptor.in);
}
/**
* Return the access time of the file.
*/
public static long lastAccessed(File file) {
return lastAccessed0(file.getPath());
}
public long lastAccessed() {
return lastAccessed0(getPath());
}
private static native void initIDs(Class fdClass, FileDescriptor stdin);
/**
* Lock the file referred to by fd. The string mode is "r"
* for a read lock or "rw" for a write lock. Don't block
* if lock can't be acquired.
*/
public static boolean lock(FileDescriptor fd, String mode) {
return lock(fd, mode, false);
}
/**
* Lock the file referred to by fd. The string mode is "r"
* for a read lock or "rw" for a write lock. If block is set,
* block waiting for the lock if necessary.
*/
private static boolean lock(FileDescriptor fd, String mode, boolean block) {
//return loaded && lock0(fd, mode);
if (loaded) {
boolean ret;
//System.out.println("UNIXFile.lock(" + fd + ", " + mode + ")");
ret = lock0(fd, mode, block);
//System.out.println("UNIXFile.lock returns " + ret);
return ret;
}
return false;
}
private static native boolean lock0(FileDescriptor fd, String mode,
boolean block);
public static native long lastAccessed0(String name);
}
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