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 import sun.misc.IoTraceContext;
35
36 /**
37 * This stream extends FileOutputStream to implement a
38 * SocketOutputStream. Note that this class should <b>NOT</b> be
39 * public.
40 *
41 * @author Jonathan Payne
42 * @author Arthur van Hoff
43 */
44 class SocketOutputStream extends FileOutputStream
45 {
46 static {
47 init();
48 }
49
50 private AbstractPlainSocketImpl impl = null;
51 private byte temp[] = new byte[1];
52 private Socket socket = null;
53
54 /**
55 * Creates a new SocketOutputStream. Can only be called
90 private native void socketWrite0(FileDescriptor fd, byte[] b, int off,
91 int len) throws IOException;
92
93 /**
94 * Writes to the socket with appropriate locking of the
95 * FileDescriptor.
96 * @param b the data to be written
97 * @param off the start offset in the data
98 * @param len the number of bytes that are written
99 * @exception IOException If an I/O error has occurred.
100 */
101 private void socketWrite(byte b[], int off, int len) throws IOException {
102
103 if (len <= 0 || off < 0 || off + len > b.length) {
104 if (len == 0) {
105 return;
106 }
107 throw new ArrayIndexOutOfBoundsException();
108 }
109
110 IoTraceContext traceContext = IoTrace.socketWriteBegin(impl.address, impl.port);
111 int bytesWritten = 0;
112 FileDescriptor fd = impl.acquireFD();
113 try {
114 socketWrite0(fd, b, off, len);
115 bytesWritten = len;
116 } catch (SocketException se) {
117 if (se instanceof sun.net.ConnectionResetException) {
118 impl.setConnectionResetPending();
119 se = new SocketException("Connection reset");
120 }
121 if (impl.isClosedOrPending()) {
122 throw new SocketException("Socket closed");
123 } else {
124 throw se;
125 }
126 } finally {
127 impl.releaseFD();
128 IoTrace.socketWriteEnd(traceContext, bytesWritten);
129 }
130 }
131
132 /**
133 * Writes a byte to the socket.
134 * @param b the data to be written
135 * @exception IOException If an I/O error has occurred.
136 */
137 public void write(int b) throws IOException {
138 temp[0] = (byte)b;
139 socketWrite(temp, 0, 1);
140 }
141
142 /**
143 * Writes the contents of the buffer <i>b</i> to the socket.
144 * @param b the data to be written
145 * @exception SocketException If an I/O error has occurred.
146 */
147 public void write(byte b[]) throws IOException {
148 socketWrite(b, 0, b.length);
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