equal
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168 * <p> |
168 * <p> |
169 * |
169 * |
170 * @return the next byte of data, or <code>-1</code> if the end of the |
170 * @return the next byte of data, or <code>-1</code> if the end of the |
171 * stream is reached. |
171 * stream is reached. |
172 * @exception IOException if an I/O error occurs. |
172 * @exception IOException if an I/O error occurs. |
173 * @since JCE1.2 |
|
174 */ |
173 */ |
175 public int read() throws IOException { |
174 public int read() throws IOException { |
176 if (ostart >= ofinish) { |
175 if (ostart >= ofinish) { |
177 // we loop for new data as the spec says we are blocking |
176 // we loop for new data as the spec says we are blocking |
178 int i = 0; |
177 int i = 0; |
194 * @return the total number of bytes read into the buffer, or |
193 * @return the total number of bytes read into the buffer, or |
195 * <code>-1</code> is there is no more data because the end of |
194 * <code>-1</code> is there is no more data because the end of |
196 * the stream has been reached. |
195 * the stream has been reached. |
197 * @exception IOException if an I/O error occurs. |
196 * @exception IOException if an I/O error occurs. |
198 * @see java.io.InputStream#read(byte[], int, int) |
197 * @see java.io.InputStream#read(byte[], int, int) |
199 * @since JCE1.2 |
|
200 */ |
198 */ |
201 public int read(byte b[]) throws IOException { |
199 public int read(byte b[]) throws IOException { |
202 return read(b, 0, b.length); |
200 return read(b, 0, b.length); |
203 } |
201 } |
204 |
202 |
215 * @return the total number of bytes read into the buffer, or |
213 * @return the total number of bytes read into the buffer, or |
216 * <code>-1</code> if there is no more data because the end of |
214 * <code>-1</code> if there is no more data because the end of |
217 * the stream has been reached. |
215 * the stream has been reached. |
218 * @exception IOException if an I/O error occurs. |
216 * @exception IOException if an I/O error occurs. |
219 * @see java.io.InputStream#read() |
217 * @see java.io.InputStream#read() |
220 * @since JCE1.2 |
|
221 */ |
218 */ |
222 public int read(byte b[], int off, int len) throws IOException { |
219 public int read(byte b[], int off, int len) throws IOException { |
223 if (ostart >= ofinish) { |
220 if (ostart >= ofinish) { |
224 // we loop for new data as the spec says we are blocking |
221 // we loop for new data as the spec says we are blocking |
225 int i = 0; |
222 int i = 0; |
252 * <p>The actual number of bytes skipped is returned. |
249 * <p>The actual number of bytes skipped is returned. |
253 * |
250 * |
254 * @param n the number of bytes to be skipped. |
251 * @param n the number of bytes to be skipped. |
255 * @return the actual number of bytes skipped. |
252 * @return the actual number of bytes skipped. |
256 * @exception IOException if an I/O error occurs. |
253 * @exception IOException if an I/O error occurs. |
257 * @since JCE1.2 |
|
258 */ |
254 */ |
259 public long skip(long n) throws IOException { |
255 public long skip(long n) throws IOException { |
260 int available = ofinish - ostart; |
256 int available = ofinish - ostart; |
261 if (n > available) { |
257 if (n > available) { |
262 n = available; |
258 n = available; |
275 * <B>should</B> be overridden by subclasses. |
271 * <B>should</B> be overridden by subclasses. |
276 * |
272 * |
277 * @return the number of bytes that can be read from this input stream |
273 * @return the number of bytes that can be read from this input stream |
278 * without blocking. |
274 * without blocking. |
279 * @exception IOException if an I/O error occurs. |
275 * @exception IOException if an I/O error occurs. |
280 * @since JCE1.2 |
|
281 */ |
276 */ |
282 public int available() throws IOException { |
277 public int available() throws IOException { |
283 return (ofinish - ostart); |
278 return (ofinish - ostart); |
284 } |
279 } |
285 |
280 |
290 * The <code>close</code> method of <code>CipherInputStream</code> |
285 * The <code>close</code> method of <code>CipherInputStream</code> |
291 * calls the <code>close</code> method of its underlying input |
286 * calls the <code>close</code> method of its underlying input |
292 * stream. |
287 * stream. |
293 * |
288 * |
294 * @exception IOException if an I/O error occurs. |
289 * @exception IOException if an I/O error occurs. |
295 * @since JCE1.2 |
|
296 */ |
290 */ |
297 public void close() throws IOException { |
291 public void close() throws IOException { |
298 if (closed) { |
292 if (closed) { |
299 return; |
293 return; |
300 } |
294 } |
319 * |
313 * |
320 * @return <code>false</code>, since this class does not support the |
314 * @return <code>false</code>, since this class does not support the |
321 * <code>mark</code> and <code>reset</code> methods. |
315 * <code>mark</code> and <code>reset</code> methods. |
322 * @see java.io.InputStream#mark(int) |
316 * @see java.io.InputStream#mark(int) |
323 * @see java.io.InputStream#reset() |
317 * @see java.io.InputStream#reset() |
324 * @since JCE1.2 |
|
325 */ |
318 */ |
326 public boolean markSupported() { |
319 public boolean markSupported() { |
327 return false; |
320 return false; |
328 } |
321 } |
329 } |
322 } |