/*
* Copyright (c) 1996, 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.net.www.protocol.mailto;
import java.net.URL;
import java.net.InetAddress;
import java.net.SocketPermission;
import java.io.*;
import java.security.Permission;
import sun.net.www.*;
import sun.net.smtp.SmtpClient;
import sun.net.www.ParseUtil;
/**
* Handle mailto URLs. To send mail using a mailto URLConnection,
* call <code>getOutputStream</code>, write the message to the output
* stream, and close it.
*
*/
public class MailToURLConnection extends URLConnection {
InputStream is = null;
OutputStream os = null;
SmtpClient client;
Permission permission;
private int connectTimeout = -1;
private int readTimeout = -1;
MailToURLConnection(URL u) {
super(u);
MessageHeader props = new MessageHeader();
props.add("content-type", "text/html");
setProperties(props);
}
/**
* Get the user's full email address - stolen from
* HotJavaApplet.getMailAddress().
*/
String getFromAddress() {
String str = System.getProperty("user.fromaddr");
if (str == null) {
str = System.getProperty("user.name");
if (str != null) {
String host = System.getProperty("mail.host");
if (host == null) {
try {
host = InetAddress.getLocalHost().getHostName();
} catch (java.net.UnknownHostException e) {
}
}
str += "@" + host;
} else {
str = "";
}
}
return str;
}
public void connect() throws IOException {
client = new SmtpClient(connectTimeout);
client.setReadTimeout(readTimeout);
}
@Override
public synchronized OutputStream getOutputStream() throws IOException {
if (os != null) {
return os;
} else if (is != null) {
throw new IOException("Cannot write output after reading input.");
}
connect();
String to = ParseUtil.decode(url.getPath());
client.from(getFromAddress());
client.to(to);
os = client.startMessage();
return os;
}
@Override
public Permission getPermission() throws IOException {
if (permission == null) {
connect();
String host = client.getMailHost() + ":" + 25;
permission = new SocketPermission(host, "connect");
}
return permission;
}
@Override
public void setConnectTimeout(int timeout) {
if (timeout < 0)
throw new IllegalArgumentException("timeouts can't be negative");
connectTimeout = timeout;
}
@Override
public int getConnectTimeout() {
return (connectTimeout < 0 ? 0 : connectTimeout);
}
@Override
public void setReadTimeout(int timeout) {
if (timeout < 0)
throw new IllegalArgumentException("timeouts can't be negative");
readTimeout = timeout;
}
@Override
public int getReadTimeout() {
return readTimeout < 0 ? 0 : readTimeout;
}
}