239 public FileOutputStream(FileDescriptor fdObj) {
240 SecurityManager security = System.getSecurityManager();
241 if (fdObj == null) {
242 throw new NullPointerException();
243 }
244 if (security != null) {
245 security.checkWrite(fdObj);
246 }
247 this.fd = fdObj;
248 this.append = false;
249 this.path = null;
250
251 fd.attach(this);
252 }
253
254 /**
255 * Opens a file, with the specified name, for overwriting or appending.
256 * @param name name of file to be opened
257 * @param append whether the file is to be opened in append mode
258 */
259 private native void open(String name, boolean append)
260 throws FileNotFoundException;
261
262 /**
263 * Writes the specified byte to this file output stream.
264 *
265 * @param b the byte to be written.
266 * @param append {@code true} if the write operation first
267 * advances the position to the end of file
268 */
269 private native void write(int b, boolean append) throws IOException;
270
271 /**
272 * Writes the specified byte to this file output stream. Implements
273 * the <code>write</code> method of <code>OutputStream</code>.
274 *
275 * @param b the byte to be written.
276 * @exception IOException if an I/O error occurs.
277 */
278 public void write(int b) throws IOException {
279 write(b, append);
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239 public FileOutputStream(FileDescriptor fdObj) {
240 SecurityManager security = System.getSecurityManager();
241 if (fdObj == null) {
242 throw new NullPointerException();
243 }
244 if (security != null) {
245 security.checkWrite(fdObj);
246 }
247 this.fd = fdObj;
248 this.append = false;
249 this.path = null;
250
251 fd.attach(this);
252 }
253
254 /**
255 * Opens a file, with the specified name, for overwriting or appending.
256 * @param name name of file to be opened
257 * @param append whether the file is to be opened in append mode
258 */
259 private void open(String name, boolean append) throws FileNotFoundException {
260 open0(name, append);
261 }
262
263 /**
264 * Opens a file, with the specified name, for overwriting or appending.
265 * @param name name of file to be opened
266 * @param append whether the file is to be opened in append mode
267 */
268 private native void open0(String name, boolean append)
269 throws FileNotFoundException;
270
271 /**
272 * Writes the specified byte to this file output stream.
273 *
274 * @param b the byte to be written.
275 * @param append {@code true} if the write operation first
276 * advances the position to the end of file
277 */
278 private native void write(int b, boolean append) throws IOException;
279
280 /**
281 * Writes the specified byte to this file output stream. Implements
282 * the <code>write</code> method of <code>OutputStream</code>.
283 *
284 * @param b the byte to be written.
285 * @exception IOException if an I/O error occurs.
286 */
287 public void write(int b) throws IOException {
288 write(b, append);
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