/*--- formatted by Jindent 2.1, (www.c-lab.de/~jindent) ---*/
/**
* ***************************************************************
* The LEAP libraries, when combined with certain JADE platform components,
* provide a run-time environment for enabling FIPA agents to execute on
* lightweight devices running Java. LEAP and JADE teams have jointly
* designed the API for ease of integration and hence to take advantage
* of these dual developments and extensions so that users only see
* one development platform and a
* single homogeneous set of APIs. Enabling deployment to a wide range of
* devices whilst still having access to the full development
* environment and functionalities that JADE provides.
* Copyright (C) 2001 Telecom Italia LAB S.p.A.
* Copyright (C) 2001 Motorola.
*
* GNU Lesser General Public License
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation,
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* **************************************************************
*/
package jade.imtp.leap.http;
import jade.mtp.TransportAddress;
import jade.imtp.leap.JICP.Connection;
import jade.imtp.leap.JICP.JICPPacket;
import jade.imtp.leap.JICP.JICPProtocol;
import java.io.*;
//#MIDP_EXCLUDE_BEGIN
import java.net.*;
//#PJAVA_EXCLUDE_BEGIN
import javax.swing.*; // Needed to traverse an authenticated Proxy
//#PJAVA_EXCLUDE_END
//#MIDP_EXCLUDE_END
/*#MIDP_INCLUDE_BEGIN
import javax.microedition.io.*;
#MIDP_INCLUDE_END*/
/**
* Class declaration
* @author Giovanni Caire - TILAB
*/
class HTTPClientConnection extends Connection {
private static final int READY = 0;
private static final int WRITTEN = 1;
private static final int CLOSED = -1;
//#MIDP_EXCLUDE_BEGIN
private HttpURLConnection hc;
//#MIDP_EXCLUDE_END
/*#MIDP_INCLUDE_BEGIN
private HttpConnection hc;
#MIDP_INCLUDE_END*/
private String url;
private InputStream is;
private OutputStream os;
private int state;
/**
* Constructor declaration
*/
public HTTPClientConnection(TransportAddress ta) {
url = getProtocol() + ta.getHost() + ":" + ta.getPort() + "/jade";
state = READY;
//#MIDP_EXCLUDE_BEGIN
//#PJAVA_EXCLUDE_BEGIN
// If the HTTP connection must go through an authenticated proxy
// set the proper authenticator
Authenticator.setDefault(new Authenticator() {
private String username = null;
private String password = null;
protected PasswordAuthentication getPasswordAuthentication() {
if (username == null) {
// Try as system properties first
username = System.getProperty("http.username");
password = System.getProperty("http.password");
if (username == null) {
JTextField usrTF = new JTextField();
JPasswordField pwdTF = new JPasswordField();
Object[] message = new Object[]{"Insert username and password", usrTF, pwdTF};
int ret = JOptionPane.showConfirmDialog(null, message, null, JOptionPane.OK_CANCEL_OPTION);
if (ret == 0) {
username = usrTF.getText();
password = pwdTF.getText();
}
}
}
return new PasswordAuthentication(username, password.toCharArray());
}
});
//#PJAVA_EXCLUDE_END
//#MIDP_EXCLUDE_END
}
protected String getProtocol() {
return "http://";
}
//#MIDP_EXCLUDE_BEGIN
protected HttpURLConnection open(String url) throws MalformedURLException, IOException {
return (HttpURLConnection) (new URL(url)).openConnection();
}
//#MIDP_EXCLUDE_END
public int writePacket(JICPPacket pkt) throws IOException {
if (state == READY) {
int ret = 0;
//#MIDP_EXCLUDE_BEGIN
hc = open(url);
hc.setDoOutput(true);
hc.setRequestMethod("POST");
hc.connect();
os = hc.getOutputStream();
ret = pkt.writeTo(os);
//#MIDP_EXCLUDE_END
/*#MIDP_INCLUDE_BEGIN
hc = (HttpConnection) Connector.open(url, Connector.READ_WRITE, false);
if (pkt.getType() == JICPProtocol.CONNECT_MEDIATOR_TYPE) {
hc.setRequestMethod(HttpConnection.GET);
hc.setRequestProperty(HTTPHelper.RECIPIENT_ID_FIELD, pkt.getRecipientID());
}
else {
hc.setRequestMethod(HttpConnection.POST);
os = hc.openOutputStream();
ret = pkt.writeTo(os);
}
#MIDP_INCLUDE_END*/
state = WRITTEN;
return ret;
} else {
throw new IOException("Write not available");
}
}
public JICPPacket readPacket() throws IOException {
if (state == WRITTEN) {
try {
//#MIDP_EXCLUDE_BEGIN
is = hc.getInputStream();
//#MIDP_EXCLUDE_END
/*#MIDP_INCLUDE_BEGIN
is = hc.openInputStream();
#MIDP_INCLUDE_END*/
return JICPPacket.readFrom(is);
} finally {
try {
close();
} catch (Exception e) {
}
}
} else {
throw new IOException("Wrong connection state "+state);
}
}
/**
*/
public void close() throws IOException {
state = CLOSED;
try {
is.close();
} catch (Exception e) {
}
is = null;
try {
os.close();
} catch (Exception e) {
}
os = null;
try {
//#MIDP_EXCLUDE_BEGIN
hc.disconnect();
//#MIDP_EXCLUDE_END
/*#MIDP_INCLUDE_BEGIN
hc.close();
#MIDP_INCLUDE_END*/
} catch (Exception e) {
}
hc = null;
}
//#MIDP_EXCLUDE_BEGIN
/**
*/
public String getRemoteHost() throws Exception {
throw new Exception("Unsupported operation");
}
//#MIDP_EXCLUDE_END
}