13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.net;
27
28 import java.io.FileDescriptor;
29 import java.io.FileOutputStream;
30 import java.io.IOException;
31 import java.nio.channels.FileChannel;
32
33 /**
34 * This stream extends FileOutputStream to implement a
35 * SocketOutputStream. Note that this class should <b>NOT</b> be
36 * public.
37 *
38 * @author Jonathan Payne
39 * @author Arthur van Hoff
40 */
41 class SocketOutputStream extends FileOutputStream
42 {
43 static {
44 init();
45 }
46
47 private AbstractPlainSocketImpl impl = null;
48 private byte temp[] = new byte[1];
49 private Socket socket = null;
50
51 /**
52 * Creates a new SocketOutputStream. Can only be called
87 private native void socketWrite0(FileDescriptor fd, byte[] b, int off,
88 int len) throws IOException;
89
90 /**
91 * Writes to the socket with appropriate locking of the
92 * FileDescriptor.
93 * @param b the data to be written
94 * @param off the start offset in the data
95 * @param len the number of bytes that are written
96 * @exception IOException If an I/O error has occurred.
97 */
98 private void socketWrite(byte b[], int off, int len) throws IOException {
99
100 if (len <= 0 || off < 0 || off + len > b.length) {
101 if (len == 0) {
102 return;
103 }
104 throw new ArrayIndexOutOfBoundsException();
105 }
106
107 FileDescriptor fd = impl.acquireFD();
108 try {
109 socketWrite0(fd, b, off, len);
110 } catch (SocketException se) {
111 if (se instanceof sun.net.ConnectionResetException) {
112 impl.setConnectionResetPending();
113 se = new SocketException("Connection reset");
114 }
115 if (impl.isClosedOrPending()) {
116 throw new SocketException("Socket closed");
117 } else {
118 throw se;
119 }
120 } finally {
121 impl.releaseFD();
122 }
123 }
124
125 /**
126 * Writes a byte to the socket.
127 * @param b the data to be written
128 * @exception IOException If an I/O error has occurred.
129 */
130 public void write(int b) throws IOException {
131 temp[0] = (byte)b;
132 socketWrite(temp, 0, 1);
133 }
134
135 /**
136 * Writes the contents of the buffer <i>b</i> to the socket.
137 * @param b the data to be written
138 * @exception SocketException If an I/O error has occurred.
139 */
140 public void write(byte b[]) throws IOException {
141 socketWrite(b, 0, b.length);
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package java.net;
27
28 import java.io.FileDescriptor;
29 import java.io.FileOutputStream;
30 import java.io.IOException;
31 import java.nio.channels.FileChannel;
32
33 import sun.misc.IoTrace;
34
35 /**
36 * This stream extends FileOutputStream to implement a
37 * SocketOutputStream. Note that this class should <b>NOT</b> be
38 * public.
39 *
40 * @author Jonathan Payne
41 * @author Arthur van Hoff
42 */
43 class SocketOutputStream extends FileOutputStream
44 {
45 static {
46 init();
47 }
48
49 private AbstractPlainSocketImpl impl = null;
50 private byte temp[] = new byte[1];
51 private Socket socket = null;
52
53 /**
54 * Creates a new SocketOutputStream. Can only be called
89 private native void socketWrite0(FileDescriptor fd, byte[] b, int off,
90 int len) throws IOException;
91
92 /**
93 * Writes to the socket with appropriate locking of the
94 * FileDescriptor.
95 * @param b the data to be written
96 * @param off the start offset in the data
97 * @param len the number of bytes that are written
98 * @exception IOException If an I/O error has occurred.
99 */
100 private void socketWrite(byte b[], int off, int len) throws IOException {
101
102 if (len <= 0 || off < 0 || off + len > b.length) {
103 if (len == 0) {
104 return;
105 }
106 throw new ArrayIndexOutOfBoundsException();
107 }
108
109 Object traceContext = IoTrace.socketWriteBegin(impl.address, impl.port);
110 int bytesWritten = 0;
111 FileDescriptor fd = impl.acquireFD();
112 try {
113 socketWrite0(fd, b, off, len);
114 bytesWritten = len;
115 } catch (SocketException se) {
116 if (se instanceof sun.net.ConnectionResetException) {
117 impl.setConnectionResetPending();
118 se = new SocketException("Connection reset");
119 }
120 if (impl.isClosedOrPending()) {
121 throw new SocketException("Socket closed");
122 } else {
123 throw se;
124 }
125 } finally {
126 impl.releaseFD();
127 IoTrace.socketWriteEnd(traceContext, bytesWritten);
128 }
129 }
130
131 /**
132 * Writes a byte to the socket.
133 * @param b the data to be written
134 * @exception IOException If an I/O error has occurred.
135 */
136 public void write(int b) throws IOException {
137 temp[0] = (byte)b;
138 socketWrite(temp, 0, 1);
139 }
140
141 /**
142 * Writes the contents of the buffer <i>b</i> to the socket.
143 * @param b the data to be written
144 * @exception SocketException If an I/O error has occurred.
145 */
146 public void write(byte b[]) throws IOException {
147 socketWrite(b, 0, b.length);
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