A Sip Protocol Provider implementation

src/net/java/sip/communicator/impl/protocol/sip/ProtocolProviderServiceSipImpl.java

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+/*
+ * 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.sip;
+
+import java.util.*;
+
+import net.java.sip.communicator.service.protocol.*;
+import net.java.sip.communicator.service.protocol.event.*;
+
+/**
+ * A SIP implementation of the Protocol Provider Service.
+ * @author Emil Ivov
+ */
+public class ProtocolProviderServiceSipImpl
+  implements ProtocolProviderService
+{
+
+    /**
+     * Registers the specified listener with this provider so that it would
+     * receive notifications on changes of its state or other properties such
+     * as its local address and display name.
+     * @param listener the listener to register.
+     */
+    public void addRegistrationStateChangeListener(
+        RegistrationStateChangeListener listener)
+    {
+
+    }
+
+    /**
+     * Ends the registration of this protocol provider with the current
+     * registration service.
+     */
+    public void unregister()
+    {
+    }
+
+    /**
+     * Returns the AccountID that uniquely identifies the account represented by
+     * this instance of the ProtocolProviderService.
+     * @return the id of the account represented by this provider.
+     */
+    public AccountID getAccountID()
+    {
+
+        return null;
+    }
+
+    /**
+     * Returns the state of the registration of this protocol provider with the
+     * corresponding registration service.
+     * @return ProviderRegistrationState
+     */
+    public RegistrationState getRegistrationState()
+    {
+        return null;
+    }
+
+    /**
+     * Returns the short name of the protocol that the implementation of this
+     * provider is based upon (like SIP, Jabber, ICQ/AIM,  or others for
+     * example). If the name of the protocol has been enumerated in
+     * ProtocolNames then the value returned by this method must be the same as
+     * the one in ProtocolNames.
+     * @return a String containing the short name of the protocol this service
+     * is implementing (most often that would be a name in ProtocolNames).
+     */
+    public String getProtocolName()
+    {
+
+        return "";
+    }
+
+    /**
+     * Indicates whether or not this provider is registered
+     * @return true if the provider is currently registered and false otherwise.
+     */
+    public boolean isRegistered()
+    {
+
+        return false;
+    }
+
+    /**
+     * Removes the specified listener.
+     * @param listener the listener to remove.
+     */
+    public void removeRegistrationStateChangeListener(
+        RegistrationStateChangeListener listener)
+    {
+    }
+
+    /**
+     * Returns an array containing all operation sets supported by the current
+     * implementation. When querying this method users must be prepared to
+     * receive any sybset of the OperationSet-s defined by this service. They
+     * MUST ignore any OperationSet-s that they are not aware of and that may be
+     * defined by future version of this service. Such "unknown" OperationSet-s
+     * though not encouraged, may also be defined by service implementors.
+     *
+     * @return a java.util.Map containing instance of all supported operation
+     * sets mapped against their class names (e.g.
+     * OperationSetPresence.class.getName()) .
+     */
+    public Map getSupportedOperationSets()
+    {
+        return null;
+    }
+
+    /**
+     * Starts the registration process. Connection details such as
+     * registration server, user name/number are provided through the
+     * configuration service through implementation specific properties.
+     *
+     * @param authority the security authority that will be used for resolving
+     *        any security challenges that may be returned during the
+     *        registration or at any moment while wer're registered.
+     *
+     */
+    public void register(SecurityAuthority authority)
+    {
+    }
+
+    /**
+     * Makes the service implementation close all open sockets and release
+     * any resources that it might have taken and prepare for shutdown/garbage
+     * collection.
+     */
+    public void shutdown()
+    {
+    }
+
+}