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+====== Constructing MHTML files in Java using JavaMail API ======
+Apparently, there is no library for creating [[wikipedia>MHTML]] files. (If you know one, [[http://petr.pudlak.name/contact/|let me know]].)
+However, this can be easily performed using JavaMail API, as demonstrated in the following example. It assumes there is an image named ''pooh.jpg'' in its working directory and produces ''example.mhtml'' containing a very simple web page with the image.
+<file java MHTMLExample.java java>
+/*
+    Author: Petr Pudlak, 2011, http://petr.pudlak.name/contact/
+    This program 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, either version 3 of the License, or (at your
+    option) any later version.
+    This program 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 program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+import javax.mail.*;
+import javax.mail.internet.*;
+import javax.activation.*;
+import java.io.*;
+import java.util.*;
+/**
+ * Example how to construct a MHT (AKA MHTML) file in Java using JavaMail
+ * API. Creates a simple HTML page (from a String) with an image, which is
+ * pulled from a file. Requires mail.jar in the classpath (and also Java
+ * Activation Framework if JDK version is less than 1.6).
+ *
+ * The program expects a file named <em>pooh.jpg</em> in the current directory
+ * and produces a very simple MHT archive to stdout.
+ */
+public class MHTMLExample
+{
+    public static void main(String argv[]) throws Exception
+    {
+        // get system properties
+        Properties props = new Properties();
+        // System.getProperties();
+        // create a new session
+        Session session = Session.getInstance(props, null);
+        // construct a MIME message message
+        MimeMessage message = new MimeMessage(session);
+        MimeMultipart mpart = new MimeMultipart("related");
+        String htmlPage =
+            "<html><head><title>Example</title></head>" +
+            "<body><p>ExampleExampleSome text..." +
+            "<img src='pooh.jpg'></p></body>";
+        mpart.addBodyPart(bodyPart(
+            new StringSource("text/html", "index.html", htmlPage) ));
+        mpart.addBodyPart(bodyPart(new FileDataSource("pooh.jpg")));
+        message.setContent(mpart);
+        // the subject is displayed as the window title in the browser
+        message.setSubject("MHTML example");
+        // one can set the URL of the original page:
+        message.addHeader("Content-Location", "index.html");
+        // Save to example.mhtml
+        FileOutputStream out = new FileOutputStream("example.mhtml");
+        message.writeTo(out);
+        out.close();
+    }
+    static BodyPart bodyPart(DataSource ds) throws MessagingException
+    {
+        MimeBodyPart body = new MimeBodyPart();
+        DataHandler dh = new DataHandler(ds);
+        body.setDisposition("inline");
+        body.setDataHandler(dh);
+        body.setFileName(dh.getName());
+        // the URL of the file; we set it simply to its name
+        body.addHeader("Content-Location", dh.getName());
+        return body;
+    }
+    /**
+     * A simple in-memory implementation of {@link DataSource}.
+     */
+    static final class StringSource implements DataSource
+    {
+        private final String contentType;
+        private final String name;
+        private final byte[] data;
+        public StringSource(String contentType, String name, String data)
+        {
+            this.contentType = contentType;
+            this.data = data.getBytes();
+            this.name = name;
+        }
+        public String getContentType()
+        {
+            return contentType;
+        }
+        public OutputStream getOutputStream() throws IOException
+        {
+            throw new IOException();
+        }
+        public InputStream getInputStream() throws IOException
+        {
+            return new ByteArrayInputStream(data);
+        }
+        public String getName()
+        {
+            return name;
+        }
+    }
+}
+</file>