本文整理匯總了Java中org.apache.harmony.luni.platform.IFileSystem.O_RDWR屬性的典型用法代碼示例。如果您正苦於以下問題：Java IFileSystem.O_RDWR屬性的具體用法？Java IFileSystem.O_RDWR怎麽用？Java IFileSystem.O_RDWR使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類org.apache.harmony.luni.platform.IFileSystem的用法示例。
在下文中一共展示了IFileSystem.O_RDWR屬性的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: getFileChannel
public static FileChannel getFileChannel(Object stream, int fd, int mode) {
switch (mode) {
case IFileSystem.O_RDONLY:
return new ReadOnlyFileChannel(stream, fd);
case IFileSystem.O_WRONLY:
return new WriteOnlyFileChannel(stream, fd);
case IFileSystem.O_RDWR:
return new ReadWriteFileChannel(stream, fd);
case IFileSystem.O_RDWRSYNC:
return new ReadWriteFileChannel(stream, fd);
case IFileSystem.O_APPEND:
return new WriteOnlyFileChannel(stream, fd, true);
default:
throw new RuntimeException("Unknown file channel type " + mode);
}
}
示例2: getFileChannel
public static FileChannel getFileChannel(Object stream, long fd, int mode) {
switch (mode) {
case IFileSystem.O_RDONLY:
return new ReadOnlyFileChannel(stream, fd);
case IFileSystem.O_WRONLY:
return new WriteOnlyFileChannel(stream, fd);
case IFileSystem.O_RDWR:
return new ReadWriteFileChannel(stream, fd);
case IFileSystem.O_RDWRSYNC:
return new ReadWriteFileChannel(stream, fd);
case IFileSystem.O_APPEND:
return new WriteOnlyFileChannel(stream, fd, true);
default:
// nio.09=Unknown file channel type: {0}
throw new RuntimeException(Messages.getString("nio.09", mode)); //$NON-NLS-1$
}
}
示例3: getFileChannel
public static FileChannel getFileChannel(Object stream, long fd, int mode) {
switch(mode){
case IFileSystem.O_RDONLY:
return new ReadOnlyFileChannel(stream, fd);
case IFileSystem.O_WRONLY:
return new WriteOnlyFileChannel(stream, fd);
case IFileSystem.O_RDWR:
return new ReadWriteFileChannel(stream, fd);
case IFileSystem.O_RDWRSYNC:
return new ReadWriteFileChannel(stream, fd);
case IFileSystem.O_APPEND:
return new WriteOnlyFileChannel(stream, fd, true);
default:
// nio.09=Unknown file channel type: {0}
throw new RuntimeException(Messages.getString("nio.09", mode)); //$NON-NLS-1$
}
}
示例4: RandomAccessFile
/**
* Constructs a new RandomAccessFile on the File <code>file</code> and
* opens it according to the access String in <code>mode</code>. The
* access mode may be one of <code>"r"</code> for read access only, or
* <code>"rw"</code> for read/write access.
*
* @param file
* the File to open.
* @param mode
* "r" for read only, or "rw" for read/write.
*
* @throws FileNotFoundException
* If the <code>mode</code> is incorrect or the File cannot be
* opened in the requested <code>mode</code>.
*
* @see java.lang.SecurityManager#checkRead(FileDescriptor)
* @see java.lang.SecurityManager#checkWrite(FileDescriptor)
*/
public RandomAccessFile(File file, String mode)
throws FileNotFoundException {
super();
int options = 0;
fd = new FileDescriptor();
if (mode.equals("r")) { //$NON-NLS-1$
isReadOnly = true;
fd.readOnly = true;
options = IFileSystem.O_RDONLY;
} else if (mode.equals("rw") || mode.equals("rws") || mode.equals("rwd")) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
isReadOnly = false;
options = IFileSystem.O_RDWR;
if (mode.equals("rws")) { //$NON-NLS-1$
// Sync file and metadata with every write
syncMetadata = true;
} else if (mode.equals("rwd")) { //$NON-NLS-1$
// Sync file, but not necessarily metadata
options = IFileSystem.O_RDWRSYNC;
}
} else {
throw new IllegalArgumentException(Msg.getString("K0081")); //$NON-NLS-1$
}
SecurityManager security = System.getSecurityManager();
if (security != null) {
security.checkRead(file.getPath());
if (!isReadOnly) {
security.checkWrite(file.getPath());
}
}
fd.descriptor = fileSystem.open(file.properPath(true), options);
channel = FileChannelFactory.getFileChannel(this, fd.descriptor,
options);
// if we are in "rws" mode, attempt to sync file+metadata
if (syncMetadata) {
try {
fd.sync();
} catch (IOException e) {
// Ignored
}
}
}