org.asteriskjava.util.internal.SocketConnectionFacadeImpl Maven / Gradle / Ivy
/*
* Copyright 2004-2006 Stefan Reuter
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.asteriskjava.util.internal;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.NoSuchElementException;
import java.util.Scanner;
import java.util.regex.Pattern;
import javax.net.SocketFactory;
import javax.net.ssl.SSLSocketFactory;
import org.asteriskjava.util.SocketConnectionFacade;
/**
* Default implementation of the SocketConnectionFacade interface using java.io.
*
* @author srt
* @version $Id$
*/
public class SocketConnectionFacadeImpl implements SocketConnectionFacade {
public static final Pattern CRNL_PATTERN = Pattern.compile("\r\n");
public static final Pattern NL_PATTERN = Pattern.compile("\n");
private Socket socket;
private Scanner scanner;
private BufferedWriter writer;
/**
* Creates a new instance for use with the Manager API that
* uses UTF-8 as encoding and CRNL ("\r\n") as line delimiter.
*
* @param host
* the foreign host to connect to.
* @param port
* the foreign port to connect to.
* @param ssl
* true to use SSL, false otherwise.
* @param timeout
* 0 incidcates default
* @param readTimeout
* see {@link Socket#setSoTimeout(int)}
* @throws IOException
* if the connection cannot be established.
*/
public SocketConnectionFacadeImpl(String host, int port, boolean ssl, int timeout,
int readTimeout) throws IOException {
this(host, port, ssl, timeout, readTimeout, StandardCharsets.UTF_8, CRNL_PATTERN);
}
/**
* Creates a new instance for use with the Manager API that uses the given
* encoding and CRNL ("\r\n") as line delimiter.
*
* @param host
* the foreign host to connect to.
* @param port
* the foreign port to connect to.
* @param ssl
* true to use SSL, false otherwise.
* @param timeout
* 0 incidcates default
* @param readTimeout
* see {@link Socket#setSoTimeout(int)}
* @param encoding
* the encoding used for transmission of strings (all
* connections should use the same encoding)
* @throws IOException
* if the connection cannot be established.
*/
public SocketConnectionFacadeImpl(String host, int port, boolean ssl, int timeout,
int readTimeout, Charset encoding) throws IOException {
this(host, port, ssl, timeout, readTimeout, encoding, CRNL_PATTERN);
}
/**
* Creates a new instance for use with the Manager API that uses UTF-8 as
* encoding and the given line delimiter.
*
* @param host
* the foreign host to connect to.
* @param port
* the foreign port to connect to.
* @param ssl
* true to use SSL, false otherwise.
* @param timeout
* 0 incidcates default
* @param readTimeout
* see {@link Socket#setSoTimeout(int)}
* @param lineDelimiter
* a {@link Pattern} for matching the line delimiter
* for the socket
* @throws IOException
* if the connection cannot be established.
*/
public SocketConnectionFacadeImpl(String host, int port, boolean ssl, int timeout,
int readTimeout, Pattern lineDelimiter) throws IOException {
this(host, port, ssl, timeout, readTimeout, StandardCharsets.UTF_8, lineDelimiter);
}
/**
* Creates a new instance for use with the Manager API that uses the given
* encoding and line delimiter.
*
* @param host
* the foreign host to connect to.
* @param port
* the foreign port to connect to.
* @param ssl
* true to use SSL, false otherwise.
* @param timeout
* 0 incidcates default
* @param readTimeout
* see {@link Socket#setSoTimeout(int)}
* @param encoding
* the encoding used for transmission of strings (all
* connections should use the same encoding)
* @param lineDelimiter
* a {@link Pattern} for matching the line delimiter
* for the socket
* @throws IOException
* if the connection cannot be established.
*/
public SocketConnectionFacadeImpl(String host, int port, boolean ssl, int timeout,
int readTimeout, Charset encoding, Pattern lineDelimiter) throws IOException {
Socket socket;
if (ssl) {
socket = SSLSocketFactory.getDefault()
.createSocket();
} else {
socket = SocketFactory.getDefault()
.createSocket();
}
socket.setSoTimeout(readTimeout);
socket.connect(new InetSocketAddress(host, port), timeout);
initialize(socket, encoding, lineDelimiter);
}
/**
* Creates a new instance for use with FastAGI that uses NL ("\n") as line
* delimiter.
*
* @param socket
* the underlying socket.
* @throws IOException
* if the connection cannot be initialized.
*/
SocketConnectionFacadeImpl(Socket socket) throws IOException {
socket.setSoTimeout(MAX_SOCKET_READ_TIMEOUT_MILLIS);
initialize(socket, StandardCharsets.UTF_8, NL_PATTERN);
}
/** 70 mi = 70 * 60 * 1000 */
private static final int MAX_SOCKET_READ_TIMEOUT_MILLIS = 4200000;
private void initialize(Socket socket, Charset encoding, Pattern pattern) throws IOException {
this.socket = socket;
InputStream inputStream = socket.getInputStream();
OutputStream outputStream = socket.getOutputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream, encoding));
this.scanner = new Scanner(reader);
this.scanner.useDelimiter(pattern);
this.writer = new BufferedWriter(new OutputStreamWriter(outputStream, encoding));
}
@Override
public String readLine() throws IOException {
String line;
try {
line = scanner.next();
} catch (IllegalStateException e) {
if (scanner.ioException() != null) {
throw scanner.ioException();
}
// throw new IOException("No more lines available", e); // JDK6
throw new IOException("No more lines available: " + e.getMessage());
} catch (NoSuchElementException e) {
if (scanner.ioException() != null) {
throw scanner.ioException();
}
// throw new IOException("No more lines available", e); // JDK6
throw new IOException("No more lines available: " + e.getMessage());
}
return line;
}
public void write(String s) throws IOException {
writer.write(s);
}
public void flush() throws IOException {
writer.flush();
}
public void close() throws IOException {
socket.close();
scanner.close();
}
public boolean isConnected() {
return socket.isConnected();
}
public InetAddress getLocalAddress() {
return socket.getLocalAddress();
}
public int getLocalPort() {
return socket.getLocalPort();
}
public InetAddress getRemoteAddress() {
return socket.getInetAddress();
}
public int getRemotePort() {
return socket.getPort();
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy