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author | Matthias Klose <doko@gcc.gnu.org> | 2007-06-03 23:18:43 +0000 |
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committer | Matthias Klose <doko@gcc.gnu.org> | 2007-06-03 23:18:43 +0000 |
commit | e1bea0c0687c5f4551b3a6058ec37ce3705fa6cc (patch) | |
tree | a9c9e7d91c484d53fe154f9285fc57325572ce50 /libjava/java/io/File.java | |
parent | af333b9a7f9e1cc1029bec56d48f2de63acdf686 (diff) | |
download | gcc-e1bea0c0687c5f4551b3a6058ec37ce3705fa6cc.zip gcc-e1bea0c0687c5f4551b3a6058ec37ce3705fa6cc.tar.gz gcc-e1bea0c0687c5f4551b3a6058ec37ce3705fa6cc.tar.bz2 |
libjava/classpath/ChangeLog.gcj:
2007-05-31 Matthias Klose <doko@ubuntu.com>
* javax/management/NotificationBroadcasterSupport.java
(getNotificationInfo): Add cast.
* native/jni/qt-peer/Makefile.am (AM_CXXFLAGS): Add libstdc++ include
directories.
* native/jni/qt-peer/Makefile.in: Regenerate.
libjava/ChangeLog:
2007-06-03 Matthias Klose <doko@ubuntu.com>
* java/io/natFileWin32.cc (setFilePermissions): New (stub only).
_access: Handle EXEC query, stub only.
2007-06-03 Matthias Klose <doko@ubuntu.com>
Merged from classpath:
* gnu/java/nio/SelectorProviderImpl.java: Whitespace merge.
* java/lang/System.java(inheritedChannel): New.
* java/lang/Character.java: Remove stray`;'.
* java/net/MulticastSocket.java: Merged.
* java/text/DateFormatSymbols.java(getInstance): New, comment updates.
* java/text/Collator.java(getInstance): Merged.
* java/util/Calendar.java: New attributes ALL_STYLES, SHORT, LONG.
getDisplayName, getDisplayNames: New.
* java/util/logging/Logger.java: Merged.
* Regenerate .class and .h files.
2007-06-03 Matthias Klose <doko@ubuntu.com>
* java/io/File.java: Merge with classpath-0.95, new method
setFilePermissions, new attribute EXEC.
* java/io/natFilePosix.cc (setFilePermissions): New.
_access: Handle EXEC query.
* classpath/lib/java/io/File.class, java/io/File.h: Regenerate.
2007-06-03 Matthias Klose <doko@ubuntu.com>
Imported GNU Classpath 0.95.
* classpath/Makefile.in,
classpath/native/jni/midi-dssi/Makefile.in,
classpath/native/jni/classpath/Makefile.in,
classpath/native/jni/Makefile.in,
classpath/native/jni/gconf-peer/Makefile.in,
classpath/native/jni/java-io/Makefile.in,
classpath/native/jni/native-lib/Makefile.in,
classpath/native/jni/java-util/Makefile.in,
classpath/native/jni/midi-alsa/Makefile.in,
classpath/native/jni/java-lang/Makefile.in,
classpath/native/jni/java-nio/Makefile.in,
classpath/native/jni/java-net/Makefile.in,
classpath/native/jni/xmlj/Makefile.in,
classpath/native/jni/qt-peer/Makefile.in,
classpath/native/jni/gtk-peer/Makefile.in,
classpath/native/Makefile.in, classpath/native/jawt/Makefile.in,
classpath/native/fdlibm/Makefile.in,
classpath/native/plugin/Makefile.in,
classpath/resource/Makefile.in, classpath/scripts/Makefile.in,
classpath/tools/Makefile.in, classpath/doc/Makefile.in,
classpath/doc/api/Makefile.in, classpath/lib/Makefile.in,
classpath/external/Makefile.in, classpath/external/jsr166/Makefile.in,
classpath/external/sax/Makefile.in,
classpath/external/w3c_dom/Makefile.in,
classpath/external/relaxngDatatype/Makefile.in,
classpath/include/Makefile.in,
classpath/examples/Makefile.in: Regenerate.
* classpath/config.guess, classpath/config.sub,
classpath/ltmain.sh : Update.
* classpath/configure, classpath/depcomp, classpath/missing,
classpath/aclocal.m4, classpath/install-sh: Regenerate.
* gnu/classpath/Configuration.java (CLASSPATH_VERSION): Now 0.95.
* sources.am: Regenerate.
* Makefile.in: Regenerate.
* Update the .class files and generated CNI header files, add new
.class and generated CNI header files.
* Remove generated files for removed java source files:
classpath/gnu/java/net/BASE64.java,
classpath/gnu/java/security/util/Base64.java,
classpath/gnu/java/awt/peer/gtk/GThreadMutex.java,
classpath/gnu/java/awt/peer/gtk/GThreadNativeMethodRunner.java,
classpath/gnu/java/awt/font/autofit/Scaler.java,
classpath/gnu/classpath/jdwp/util/Value.java,
classpath/gnu/javax/net/ssl/Base64.java.
* Remove empty directories.
* Makefile.am(nat_source_files): Add natVMOperatingSystemMXBeanImpl.cc.
* java/lang/Class.java(setAccessible): Merge from classpath.
* java/util/Locale.java: Remove.
* gnu/java/lang/management/VMOperatingSystemMXBeanImpl.java,
gnu/java/lang/management/natVMOperatingSystemMXBeanImpl.cc: New.
* gcj/javaprims.h: Update class declarations.
* scripts/classes.pl: Update usage.
* HACKING: Mention to build all peers.
From-SVN: r125302
Diffstat (limited to 'libjava/java/io/File.java')
-rw-r--r-- | libjava/java/io/File.java | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/libjava/java/io/File.java b/libjava/java/io/File.java index 33776ab..0026ffa 100644 --- a/libjava/java/io/File.java +++ b/libjava/java/io/File.java @@ -67,6 +67,7 @@ public class File implements Serializable, Comparable private final static int READ = 0; private final static int WRITE = 1; private final static int EXISTS = 2; + private final static int EXEC = 3; // QUERY arguments to stat function. private final static int DIRECTORY = 0; @@ -182,6 +183,27 @@ public class File implements Serializable, Comparable return _access (WRITE); } + /** + * This method tests whether or not the current thread is allowed to + * to execute the file pointed to by this object. This will be true if and + * and only if 1) the file exists and 2) the <code>SecurityManager</code> + * (if any) allows access to the file via it's <code>checkExec</code> + * method 3) the file is executable. + * + * @return <code>true</code> if execution is allowed, + * <code>false</code> otherwise + * + * @exception SecurityException If the <code>SecurityManager</code> + * does not allow access to the file + */ + public boolean canExecute() + { + if (!exists()) + return false; + checkExec(); + return _access (EXEC); + } + private native boolean performCreate() throws IOException; /** @@ -1139,6 +1161,159 @@ public class File implements Serializable, Comparable } /* + * This native method sets file permissions. + */ + private native boolean setFilePermissions(boolean enable, boolean ownerOnly, + int permissions); + + /** + * This method sets the owner's read permission for the File represented by + * this object. + * + * It is the same as calling <code>setReadable(readable, true)</code>. + * + * @param <code>readable</code> <code>true</code> to set read permission, + * <code>false</code> to unset the read permission. + * @return <code>true</code> if the file permissions are changed, + * <code>false</code> otherwise. + * @exception SecurityException If write access of the file is not permitted. + * @see #setReadable(boolean, boolean) + * @since 1.6 + */ + public boolean setReadable(boolean readable) + { + return setReadable(readable, true); + } + + /** + * This method sets the read permissions for the File represented by + * this object. + * + * If <code>ownerOnly</code> is set to <code>true</code> then only the + * read permission bit for the owner of the file is changed. + * + * If <code>ownerOnly</code> is set to <code>false</code>, the file + * permissions are changed so that the file can be read by everyone. + * + * On unix like systems this sets the <code>user</code>, <code>group</code> + * and <code>other</code> read bits and is equal to call + * <code>chmod a+r</code> on the file. + * + * @param <code>readable</code> <code>true</code> to set read permission, + * <code>false</code> to unset the read permission. + * @param <code>ownerOnly</code> <code>true</code> to set read permission + * for owner only, <code>false</code> for all. + * @return <code>true</code> if the file permissions are changed, + * <code>false</code> otherwise. + * @exception SecurityException If write access of the file is not permitted. + * @see #setReadable(boolean) + * @since 1.6 + */ + public boolean setReadable(boolean readable, boolean ownerOnly) + { + checkWrite(); + return setFilePermissions(readable, ownerOnly, READ); + } + + /** + * This method sets the owner's write permission for the File represented by + * this object. + * + * It is the same as calling <code>setWritable(readable, true)</code>. + * + * @param <code>writable</code> <code>true</code> to set write permission, + * <code>false</code> to unset write permission. + * @return <code>true</code> if the file permissions are changed, + * <code>false</code> otherwise. + * @exception SecurityException If write access of the file is not permitted. + * @see #setWritable(boolean, boolean) + * @since 1.6 + */ + public boolean setWritable(boolean writable) + { + return setWritable(writable, true); + } + + /** + * This method sets the write permissions for the File represented by + * this object. + * + * If <code>ownerOnly</code> is set to <code>true</code> then only the + * write permission bit for the owner of the file is changed. + * + * If <code>ownerOnly</code> is set to <code>false</code>, the file + * permissions are changed so that the file can be written by everyone. + * + * On unix like systems this set the <code>user</code>, <code>group</code> + * and <code>other</code> write bits and is equal to call + * <code>chmod a+w</code> on the file. + * + * @param <code>writable</code> <code>true</code> to set write permission, + * <code>false</code> to unset write permission. + * @param <code>ownerOnly</code> <code>true</code> to set write permission + * for owner only, <code>false</code> for all. + * @return <code>true</code> if the file permissions are changed, + * <code>false</code> otherwise. + * @exception SecurityException If write access of the file is not permitted. + * @see #setWritable(boolean) + * @since 1.6 + */ + public boolean setWritable(boolean writable, boolean ownerOnly) + { + checkWrite(); + return setFilePermissions(writable, ownerOnly, WRITE); + } + + /** + * This method sets the owner's execute permission for the File represented + * by this object. + * + * It is the same as calling <code>setExecutable(readable, true)</code>. + * + * @param <code>executable</code> <code>true</code> to set execute permission, + * <code>false</code> to unset execute permission. + * @return <code>true</code> if the file permissions are changed, + * <code>false</code> otherwise. + * @exception SecurityException If write access of the file is not permitted. + * @see #setExecutable(boolean, boolean) + * @since 1.6 + */ + public boolean setExecutable(boolean executable) + { + return setExecutable(executable, true); + } + + /** + * This method sets the execute permissions for the File represented by + * this object. + * + * If <code>ownerOnly</code> is set to <code>true</code> then only the + * execute permission bit for the owner of the file is changed. + * + * If <code>ownerOnly</code> is set to <code>false</code>, the file + * permissions are changed so that the file can be executed by everyone. + * + * On unix like systems this set the <code>user</code>, <code>group</code> + * and <code>other</code> write bits and is equal to call + * <code>chmod a+x</code> on the file. + * + * @param <code>executable</code> <code>true</code> to set write permission, + * <code>false</code> to unset write permission. + * @param <code>ownerOnly</code> <code>true</code> to set write permission + * for owner only, <code>false</code> for all. + * @return <code>true</code> if the file permissions are changed, + * <code>false</code> otherwise. + * @exception SecurityException If write access of the file is not permitted. + * @see #setExecutable(boolean) + * @since 1.6 + */ + public boolean setExecutable(boolean executable, boolean ownerOnly) + { + checkWrite(); + return setFilePermissions(executable, ownerOnly, EXEC); + } + + /* * This native method sets the permissions to make the file read only. */ private native boolean performSetReadOnly(); @@ -1372,6 +1547,15 @@ public class File implements Serializable, Comparable s.checkRead(path); } + private void checkExec() + { + // Check the SecurityManager + SecurityManager s = System.getSecurityManager(); + + if (s != null) + s.checkExec(path); + } + /** * Calling this method requests that the file represented by this object * be deleted when the virtual machine exits. Note that this request cannot |