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DBus.java

/*
   D-Bus Java Implementation
   Copyright (c) 2005-2006 Matthew Johnson

   This program is free software; you can redistribute it and/or modify it
   under the terms of either the GNU Lesser General Public License Version 2 or the
   Academic Free Licence Version 2.1.

   Full licence texts are included in the COPYING file with this program.
*/
package org.freedesktop;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import java.util.Map;
import java.util.List;

import org.freedesktop.dbus.DBusInterface;
import org.freedesktop.dbus.DBusSignal;
import org.freedesktop.dbus.Position;
import org.freedesktop.dbus.Struct;
import org.freedesktop.dbus.Tuple;
import org.freedesktop.dbus.UInt16;
import org.freedesktop.dbus.UInt32;
import org.freedesktop.dbus.UInt64;
import org.freedesktop.dbus.Variant;
import org.freedesktop.dbus.exceptions.DBusException;
import org.freedesktop.dbus.exceptions.DBusExecutionException;

public interface DBus extends DBusInterface
{
   public static final int DBUS_NAME_FLAG_ALLOW_REPLACEMENT = 0x01;
   public static final int DBUS_NAME_FLAG_REPLACE_EXISTING = 0x02;
   public static final int DBUS_NAME_FLAG_DO_NOT_QUEUE = 0x04;
   public static final int DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER = 1;
   public static final int DBUS_REQUEST_NAME_REPLY_IN_QUEUE = 2;
   public static final int DBUS_REQUEST_NAME_REPLY_EXISTS = 3;
   public static final int DBUS_REQUEST_NAME_REPLY_ALREADY_OWNER = 4;
   public static final int DBUS_RELEASE_NAME_REPLY_RELEASED = 1;
   public static final int DBUS_RELEASE_NAME_REPLY_NON_EXISTANT = 2;
   public static final int DBUS_RELEASE_NAME_REPLY_NOT_OWNER = 3;
   public static final int DBUS_START_REPLY_SUCCESS = 1;
   public static final int DBUS_START_REPLY_ALREADY_RUNNING = 2;
   /**
    * All DBus Applications should respond to the Ping method on this interface
    */
00050    public interface Peer extends DBusInterface
   {
      public void Ping();
   }
   /**
    * Objects can provide introspection data via this interface and method.
    * See the <a href="http://dbus.freedesktop.org/doc/dbus-specification.html#introspection-format">Introspection Format</a>.
    */
00058    public interface Introspectable extends DBusInterface
   {
      /**
       * @return The XML introspection data for this object
       */
      public String Introspect();
   }
   /**
    * A standard properties interface.
    */
00068    public interface Properties extends DBusInterface
   {
      /**
       * Get the value for the given property.
       * @param interface_name The interface this property is associated with.
       * @param property_name The name of the property.
       * @return The value of the property (may be any valid DBus type).
       */
      public <A> A Get (String interface_name, String property_name);
      /**
       * Set the value for the given property.
       * @param interface_name The interface this property is associated with.
       * @param property_name The name of the property.
       * @param value The new value of the property (may be any valid DBus type).
       */
      public <A> void Set (String interface_name, String property_name, A value);
   }
   /**
    * Messages generated locally in the application.
    */
00088    public interface Local extends DBusInterface
   {
      public class Disconnected extends DBusSignal
      {
         public Disconnected(String path) throws DBusException
         {
            super(path);
         }
      }
   }
   
   /**
    * Initial message to register ourselves on the Bus.
    * @return The unique name of this connection to the Bus.
    */
   public String Hello();
   /**
    * Lists all connected names on the Bus.
    * @return An array of all connected names.
    */
   public String[] ListNames();
   /**
    * Determine if a name has an owner.
    * @param name The name to query.
    * @return true if the name has an owner.
    */
   public boolean NameHasOwner(String name);
   /**
    * Get the connection unique name that owns the given name.
    * @param name The name to query.
    * @return The connection which owns the name.
    */
   public String GetNameOwner(String name);
   /**
    * Get the Unix UID that owns a connection name.
    * @param connection_name The connection name.
    * @return The Unix UID that owns it.
    */
   public UInt32 GetConnectionUnixUser(String connection_name);
   /**
    * Start a service. If the given service is not provided
    * by any application, it will be started according to the .service file
    * for that service.
    * @param name The service name to start.
    * @param flags Unused.
    * @return DBUS_START_REPLY constants.
    */
   public UInt32 StartServiceByName(String name, UInt32 flags);
   /**
    * Request a name on the bus.
    * @param name The name to request.
    * @param flags DBUS_NAME flags.
    * @return DBUS_REQUEST_NAME_REPLY constants.
    */
   public UInt32 RequestName(String name, UInt32 flags);
   /**
    * Release a name on the bus.
    * @param name The name to release.
    * @return DBUS_RELEASE_NAME_REPLY constants.
    */
   public UInt32 ReleaseName(String name);

   /**
    * Add a match rule.
    * Will cause you to receive messages that aren't directed to you which 
    * match this rule.
    * @param matchrule The Match rule as a string. Format Undocumented.
    */
   public void AddMatch(String matchrule) throws Error.MatchRuleInvalid;

   /**
    * Remove a match rule.
    * Will cause you to stop receiving messages that aren't directed to you which 
    * match this rule.
    * @param matchrule The Match rule as a string. Format Undocumented.
    */
   public void RemoveMatch(String matchrule) throws Error.MatchRuleInvalid;

   /**
    * List the connections currently queued for a name.
    * @param name The name to query
    * @return A list of unique connection IDs.
    */
   public String[] ListQueuedOwners(String name);

   /**
    * Returns the proccess ID associated with a connection.
    * @param connection_name The name of the connection
    * @return The PID of the connection.
    */
   public UInt32 GetConnectionUnixProcessID(String connection_name);

   /**
    * Does something undocumented.
    */
   public Byte[] GetConnectionSELinuxSecurityContext(String a);

   /**
    * Does something undocumented.
    */
   public void ReloadConfig();

   /**
    * Signal sent when the owner of a name changes
    */
00193    public class NameOwnerChanged extends DBusSignal
   {
      public final String name;
      public final String old_owner;
      public final String new_owner;
      public NameOwnerChanged(String path, String name, String old_owner, String new_owner) throws DBusException
      {
         super(path, new Object[] { name, old_owner, new_owner });
         this.name = name;
         this.old_owner = old_owner;
         this.new_owner = new_owner;
      }
   }
   /**
    * Signal sent to a connection when it loses a name
    */
00209    public class NameLost extends DBusSignal
   {
      public final String name;
      public NameLost(String path, String name) throws DBusException
      {
         super(path, name);
         this.name = name;
      }
   }
   /**
    * Signal sent to a connection when it aquires a name
    */
00221    public class NameAcquired extends DBusSignal
   {
      public final String name;
      public NameAcquired(String path, String name) throws DBusException
      {
         super(path, name);
         this.name = name;
      }
   }
   /**
    * Contains standard errors that can be thrown from methods.
    */
00233    public interface Error 
   {
      /**
       * Thrown if the method called was unknown on the remote object
       */
      @SuppressWarnings("serial")
00239       public class UnknownMethod extends DBusExecutionException
      {
         public UnknownMethod(String message)
         {
            super(message);
         }
      }
      /**
       * Thrown if the object was unknown on a remote connection
       */
      @SuppressWarnings("serial")
00250       public class UnknownObject extends DBusExecutionException
      {
         public UnknownObject(String message)
         {
            super(message);
         }
      }
      /**
       * Thrown if the requested service was not available
       */
      @SuppressWarnings("serial")
00261       public class ServiceUnknown extends DBusExecutionException
      {
         public ServiceUnknown(String message)
         {
            super(message);
         }
      }
      /**
       * Thrown if the match rule is invalid
       */
      @SuppressWarnings("serial")
00272       public class MatchRuleInvalid extends DBusExecutionException
      {
         public MatchRuleInvalid(String message)
         {
            super(message);
         }
      }
      /**
       * Thrown if there is no reply to a method call
       */
      @SuppressWarnings("serial")
00283       public class NoReply extends DBusExecutionException
      {
         public NoReply(String message)
         {
            super(message);
         }
      }
      /**
       * Thrown if a message is denied due to a security policy
       */
      @SuppressWarnings("serial")
00294       public class AccessDenied extends DBusExecutionException
      {
         public AccessDenied(String message)
         {
            super(message);
         }
      }
   }
   /**
    * Description of the interface or method, returned in the introspection data
    */
   @Retention(RetentionPolicy.RUNTIME)
00306    public @interface Description
   {
      String value();
   }
   /**
    * Indicates that a DBus interface or method is deprecated
    */
   @Retention(RetentionPolicy.RUNTIME)
00314    public @interface Deprecated {}
   /**
    * Contains method-specific annotations
    */
00318    public interface Method
   {
      /**
       * Methods annotated with this do not send a reply
       */
      @Target(ElementType.METHOD)
      @Retention(RetentionPolicy.RUNTIME)
00325       public @interface NoReply {}
      /**
       * Give an error that the method can return
       */
      @Target(ElementType.METHOD)
      @Retention(RetentionPolicy.RUNTIME)
00331       public @interface Error 
      {
         String value();
      }
   }
   /**
    * Contains GLib-specific annotations
    */
00339    public interface GLib
   {
      /**
       * Define a C symbol to map to this method. Used by GLib only
       */
      @Target(ElementType.METHOD)
      @Retention(RetentionPolicy.RUNTIME)
00346       public @interface CSymbol
      {
         String value();
      }
   }
   /**
    * Contains Binding-test interfaces
    */
00354    public interface Binding
   {
      public interface SingleTests extends DBusInterface
      {
         @Description("Returns the sum of the values in the input list")
         public UInt32 Sum(byte[] a);
      }
      public interface TestClient extends DBusInterface
      {
         @Description("when the trigger signal is received, this method should be called on the sending process/object.")
         public void Response(UInt16 a, double b);
         @Description("Causes a callback")
         public static class Trigger extends DBusSignal
         {
            public final UInt16 a;
            public final double b;
            public Trigger(String path, UInt16 a, double b) throws DBusException
            {
               super(path, a, b);
               this.a = a;
               this.b = b;
            }
         }

      }
      public interface Tests extends DBusInterface
      {
         @Description("Returns whatever it is passed")
         public <T> Variant<T> Identity(Variant<T> input);
         @Description("Returns whatever it is passed")
         public byte IdentityByte(byte input);
         @Description("Returns whatever it is passed")
         public boolean IdentityBool(boolean input);
         @Description("Returns whatever it is passed")
         public short IdentityInt16(short input);
         @Description("Returns whatever it is passed")
         public UInt16 IdentityUInt16(UInt16 input);
         @Description("Returns whatever it is passed")
         public int IdentityInt32(int input);
         @Description("Returns whatever it is passed")
         public UInt32 IdentityUInt32(UInt32 input);
         @Description("Returns whatever it is passed")
         public long IdentityInt64(long input);
         @Description("Returns whatever it is passed")
         public UInt64 IdentityUInt64(UInt64 input);
         @Description("Returns whatever it is passed")
         public double IdentityDouble(double input);
         @Description("Returns whatever it is passed")
         public String IdentityString(String input);
         @Description("Returns whatever it is passed")
         public <T> Variant<T>[] IdentityArray(Variant<T>[] input);
         @Description("Returns whatever it is passed")
         public byte[] IdentityByteArray(byte[] input);
         @Description("Returns whatever it is passed")
         public boolean[] IdentityBoolArray(boolean[] input);
         @Description("Returns whatever it is passed")
         public short[] IdentityInt16Array(short[] input);
         @Description("Returns whatever it is passed")
         public UInt16[] IdentityUInt16Array(UInt16[] input);
         @Description("Returns whatever it is passed")
         public int[] IdentityInt32Array(int[] input);
         @Description("Returns whatever it is passed")
         public UInt32[] IdentityUInt32Array(UInt32[] input);
         @Description("Returns whatever it is passed")
         public long[] IdentityInt64Array(long[] input);
         @Description("Returns whatever it is passed")
         public UInt64[] IdentityUInt64Array(UInt64[] input);
         @Description("Returns whatever it is passed")
         public double[] IdentityDoubleArray(double[] input);
         @Description("Returns whatever it is passed")
         public String[] IdentityStringArray(String[] input);
         @Description("Returns the sum of the values in the input list")
         public long Sum(int[] a);
         @Description("Given a map of A => B, should return a map of B => a list of all the As which mapped to B")
         public Map<String, List<String>> InvertMapping(Map<String, String> a);
         @Description("This method returns the contents of a struct as separate values")
         public Triplet<String, UInt32, Short> DeStruct(TestStruct a);
         @Description("Given any compound type as a variant, return all the primitive types recursively contained within as an array of variants")
         public List<Variant<Object>> Primitize(Variant<Object> a);
         @Description("inverts it's input")
         public boolean Invert(boolean a);
         @Description("triggers sending of a signal from the supplied object with the given parameter")
         public void Trigger(String a, UInt64 b);
         @Description("Causes the server to exit")
         public void Exit();
      }
      public interface TestSignals extends DBusInterface
      {
         @Description("Sent in response to a method call")
         public static class Triggered extends DBusSignal
         {
            public final UInt64 a;
            public Triggered(String path, UInt64 a) throws DBusException
            {
               super(path, a);
               this.a = a;
            }
         }
      }
      public final class Triplet<A,B,C> extends Tuple
      {
         @Position(0)
         public final A a;
         @Position(1)
         public final B b;
         @Position(2)
         public final C c;
         public Triplet(A a, B b, C c)
         {
            this.a = a;
            this.b = b;
            this.c = c;
         }
      }
      public final class TestStruct extends Struct
      {
         @Position(0)
         public final String a;
         @Position(1)
         public final UInt32 b;
         @Position(2)
         public final Short c;
         public TestStruct(String a, UInt32 b, Short c)
         {
            this.a = a;
            this.b = b;
            this.c = c;
         }
      }
   }
}

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