more work on implementing ordering contacts and A NEW EVENT scheme for the meta contact list service

implemented support for instant messaging in icq (testing is still pending though)

src/net/java/sip/communicator/impl/protocol/icq/MessageIcqImpl.java

@@ -0,0 +1,147 @@
+/*
+ * SIP Communicator, the OpenSource Java VoIP and Instant Messaging client.
+ *
+ * Distributable under LGPL license.
+ * See terms of license at gnu.org.
+ */
+package net.java.sip.communicator.impl.protocol.icq;
+
+import net.java.sip.communicator.service.protocol.*;
+
+/**
+ * A simple implementation of the <tt>Message</tt> interface. Right now the
+ * message only supports test contents and no binary data.
+ *
+ * @author Emil Ivov
+ */
+public class MessageIcqImpl
+    implements Message
+{
+    /**
+     * The content of this message.
+     */
+    private String textContent = null;
+
+    /**
+     * The content type of text. Right now only text content types (such as
+     * text/plain or text/html) are supported.
+     */
+    private String contentType = null;
+
+    /**
+     * The encoding under which the contennt of this message is encoded.
+     */
+    private String contentEncoding = null;
+
+    /**
+     * An String uniquely identifying this Message.
+     */
+    private String messageUID = null;
+
+    /**
+     * The subject of the message if any (may remain null).
+     */
+    private String subject = null;
+
+    /**
+     * Creates an instance of this Message with the specified parameters.
+     *
+     * @param content the text content of the message.
+     * @param contentType a MIME string indicating the content type of the
+     * <tt>content</tt> String.
+     * @param contentEncoding a MIME String indicating the content encoding of
+     * the <tt>content</tt> String.
+     * @param subject the subject of the message or null for empty.
+     */
+    public MessageIcqImpl(String content,
+                          String contentType,
+                          String contentEncoding,
+                          String subject)
+    {
+        this.textContent = content;
+        this.contentType = contentType;
+        this.contentEncoding = contentEncoding;
+        this.subject = subject;
+
+        //generate the uid
+        this.messageUID = String.valueOf( System.currentTimeMillis())
+                          + String.valueOf(hashCode());
+
+    }
+
+    /**
+     * Returns the content of this message if representable in text form or
+     * null if this message does not contain text data.
+     *
+     * @return a String containing the content of this message or null if
+     *   the message does not contain data representable in text form.
+     */
+    public String getContent()
+    {
+        return textContent;
+    }
+
+    /**
+     * Returns the MIME type for the message content.
+     *
+     * @return a String containing the mime type of the message contant.
+     */
+    public String getContentType()
+    {
+        return contentType;
+    }
+
+    /**
+     * Returns the MIME content encoding of this message.
+     *
+     * @return a String indicating the MIME encoding of this message.
+     */
+    public String getEncoding()
+    {
+        return contentEncoding;
+    }
+
+    /**
+     * Returns a unique identifier of this message.
+     *
+     * @return a String that uniquely represents this message in the scope
+     *   of this protocol.
+     */
+    public String getMessageUID()
+    {
+        return messageUID;
+    }
+
+    /**
+     * Get the raw/binary content of an instant message.
+     *
+     * @return a byte[] array containing message bytes.
+     */
+    public byte[] getRawData()
+    {
+        return getContent().getBytes();
+    }
+
+    /**
+     * Returns the size of the content stored in this message.
+     *
+     * @return an int indicating the number of bytes that this message
+     *   contains.
+     */
+    public int getSize()
+    {
+        return getContent().length();
+    }
+
+    /**
+     * Returns the subject of this message or null if the message contains no
+     * subject.
+     *
+     * @return the subject of this message or null if the message contains
+     *   no subject.
+     */
+    public String getSubject()
+    {
+        return subject;
+    }
+}