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Posted to commits@felix.apache.org by ds...@apache.org on 2009/08/20 00:21:36 UTC

svn commit: r805997 - in /felix/trunk/sigil/common/runtime: ./ src/org/apache/felix/sigil/common/runtime/ src/org/apache/felix/sigil/common/runtime/io/

Author: dsavage
Date: Wed Aug 19 22:21:35 2009
New Revision: 805997

URL: http://svn.apache.org/viewvc?rev=805997&view=rev
Log:
use DataInputStream vs ObjectInputStream some simple testing via Client.main method

Modified:
    felix/trunk/sigil/common/runtime/sigil.properties
    felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Client.java
    felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Main.java
    felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Server.java
    felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/Action.java
    felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/Constants.java
    felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/InstallAction.java
    felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StartAction.java
    felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StatusAction.java
    felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StopAction.java
    felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/UninstallAction.java
    felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/UpdateAction.java

Modified: felix/trunk/sigil/common/runtime/sigil.properties
URL: http://svn.apache.org/viewvc/felix/trunk/sigil/common/runtime/sigil.properties?rev=805997&r1=805996&r2=805997&view=diff
==============================================================================
--- felix/trunk/sigil/common/runtime/sigil.properties (original)
+++ felix/trunk/sigil/common/runtime/sigil.properties Wed Aug 19 22:21:35 2009
@@ -8,6 +8,7 @@
   org.apache.felix.sigil.common.runtime.*, \
   org.apache.commons.cli.*, \
   org.apache.commons.io.*, \
+  org.osgi.framework.launch,\
 
 -exports: \
 	org.apache.felix.sigil.common.runtime, \

Modified: felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Client.java
URL: http://svn.apache.org/viewvc/felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Client.java?rev=805997&r1=805996&r2=805997&view=diff
==============================================================================
--- felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Client.java (original)
+++ felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Client.java Wed Aug 19 22:21:35 2009
@@ -20,10 +20,11 @@
 package org.apache.felix.sigil.common.runtime;
 
 
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 import java.net.InetAddress;
+import java.net.InetSocketAddress;
 import java.net.Socket;
 import java.util.Map;
 import java.util.Properties;
@@ -48,22 +49,50 @@
     public static final String ADDRESS_PROPERTY = "address";
     
     private Socket socket;
-    private InputStream in;
-    private OutputStream out;
+    private DataInputStream in;
+    private DataOutputStream out;
 
 
     public Client()
     {
     }
+    
+    public static void main(String[] args) throws IOException, BundleException {
+        Client cl = new Client();
+        Properties props = new Properties();
+        props.put( ADDRESS_PROPERTY, "localhost" );
+        props.put( PORT_PROPERTY, "9090" );
+        cl.connect(  props );
+        System.out.println( cl.status() );
+        long id = cl.install( "file:/Users/dave/.m2/repository/org/apache/felix/org.apache.felix.log/1.1.0-SNAPSHOT/org.apache.felix.log-1.1.0-SNAPSHOT.jar" );
+        System.out.println( cl.status() );
+        cl.start( id );
+        System.out.println( cl.status() );
+        
+        id = cl.install( "file:/Users/dave/.m2/repository/org/apache/felix/org.apache.felix.shell/1.3.0-SNAPSHOT/org.apache.felix.shell-1.3.0-SNAPSHOT.jar" );
+        cl.start( id );
+        
+        id = cl.install( "file:/Users/dave/.m2/repository/org/apache/felix/org.apache.felix.shell.tui/1.3.0-SNAPSHOT/org.apache.felix.shell.tui-1.3.0-SNAPSHOT.jar" );
+        cl.start( id );
+        
+        System.out.println( cl.status() );
+    }
 
 
     public void connect(Properties props) throws IOException
     {
-        InetAddress address = InetAddress.getByName( props.getProperty( ADDRESS_PROPERTY ) );
+        String v = props.getProperty( ADDRESS_PROPERTY );
+        InetAddress address = v == null ? null : InetAddress.getByName( v );
         int port = Integer.parseInt( props.getProperty( PORT_PROPERTY, "0" ) );
-        socket = new Socket( address, port );
-        in = socket.getInputStream();
-        out = socket.getOutputStream();
+        InetSocketAddress endpoint = new InetSocketAddress(address, port);
+        
+        socket = new Socket();
+        socket.connect( endpoint );
+        
+        Main.log( "Connected to " + endpoint );
+        
+        in = new DataInputStream( socket.getInputStream() );
+        out = new DataOutputStream( socket.getOutputStream() );
     }
 
 
@@ -81,19 +110,19 @@
 
     public void start( long bundle ) throws IOException, BundleException
     {
-        new StartAction( in, out ).client();
+        new StartAction( in, out ).client( bundle );
     }
 
 
     public void stop( long bundle ) throws IOException, BundleException
     {
-        new StopAction( in, out ).client();
+        new StopAction( in, out ).client( bundle );
     }
 
 
     public void uninstall( long bundle ) throws IOException, BundleException
     {
-        new UninstallAction( in, out ).client();
+        new UninstallAction( in, out ).client( bundle );
     }
 
 

Modified: felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Main.java
URL: http://svn.apache.org/viewvc/felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Main.java?rev=805997&r1=805996&r2=805997&view=diff
==============================================================================
--- felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Main.java (original)
+++ felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Main.java Wed Aug 19 22:21:35 2009
@@ -53,6 +53,7 @@
         options.addOption( "?", "help", false, "Print help for the Sigil launcher" );
         options.addOption( "p", "port", true, "Port to launch server on (0 implies auto allocate) [default 0]" );
         options.addOption( "a", "address", true, "Address to bind server to [default all]" );
+        options.addOption( "c", "clean", false, "Clean bundle cache directory on init" );
     }
 
 
@@ -111,6 +112,10 @@
             e.printStackTrace();
             System.exit( 1 );
         }
+        catch (Error e) {
+            e.printStackTrace();
+            throw e;
+        }
     }
 
 
@@ -154,6 +159,8 @@
     private static Map<String, String> buildConfig( CommandLine cl )
     {
         HashMap<String, String> config = new HashMap<String, String>();
+        if ( cl.hasOption( 'c' ))
+        config.put(  "org.osgi.framework.storage.clean", "onFirstInit" );
         return config;
     }
 
@@ -174,4 +181,8 @@
         HelpFormatter f = new HelpFormatter();
         f.printHelp( COMMAND_LINE_SYNTAX, options );
     }
+    
+    public static void log(String msg) {
+        System.out.println( msg );
+    }
 }

Modified: felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Server.java
URL: http://svn.apache.org/viewvc/felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Server.java?rev=805997&r1=805996&r2=805997&view=diff
==============================================================================
--- felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Server.java (original)
+++ felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/Server.java Wed Aug 19 22:21:35 2009
@@ -20,14 +20,14 @@
 package org.apache.felix.sigil.common.runtime;
 
 
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.EOFException;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.ServerSocket;
 import java.net.Socket;
-import java.net.SocketAddress;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -70,7 +70,7 @@
         
         socket.bind( socketAddress );
 
-        System.out.println( "Started server listening on " + socket.getLocalSocketAddress() + ":" + socket.getLocalPort() );
+        Main.log( "Started server listening on " + socket.getLocalSocketAddress() + ":" + socket.getLocalPort() );
         
         accept = new Thread( new Runnable()
         {
@@ -90,6 +90,10 @@
                 }
             }
         } );
+        
+        accept.start();
+        
+        Main.log( "Started thread!" );
     }
 
 
@@ -120,14 +124,19 @@
          */
         public void run()
         {
+            Main.log( "Accepted " + socket.getInetAddress() + ":" + socket.getLocalPort() );
+            
             try
             {
-                InputStream in = socket.getInputStream();
-                OutputStream out = socket.getOutputStream();
+                DataInputStream in = new DataInputStream( socket.getInputStream() );
+                DataOutputStream out = new DataOutputStream( socket.getOutputStream() );
+                
                 while ( !stopped.get() )
                 {
-                    int action = in.read();
+                    int action = in.readInt();
+                    
                     Action<?, ?> task = null;
+                    
                     switch ( action )
                     {
                         case INSTALL:
@@ -149,14 +158,34 @@
                             task = new StatusAction( in, out );
                             break;
                     }
-                    task.server( fw );
+                    
+                    if ( task == null ) {
+                        Main.log( "Invalid action " + action );
+                    }
+                    else {
+                        task.server( fw );
+                    }
                 }
             }
+            catch ( EOFException e ) {
+                // fine
+            }
             catch ( IOException e )
             {
                 // TODO Auto-generated catch block
                 e.printStackTrace();
             }
+            finally {
+                try
+                {
+                    socket.close();
+                }
+                catch ( IOException e )
+                {
+                    // TODO Auto-generated catch block
+                    e.printStackTrace();
+                }
+            }
         }
     }
 }

Modified: felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/Action.java
URL: http://svn.apache.org/viewvc/felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/Action.java?rev=805997&r1=805996&r2=805997&view=diff
==============================================================================
--- felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/Action.java (original)
+++ felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/Action.java Wed Aug 19 22:21:35 2009
@@ -20,11 +20,10 @@
 package org.apache.felix.sigil.common.runtime.io;
 
 
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
-import java.io.OutputStream;
 import java.net.URL;
 import java.net.URLConnection;
 
@@ -32,6 +31,7 @@
 import org.osgi.framework.launch.Framework;
 
 import org.apache.commons.io.input.CountingInputStream;
+import org.apache.felix.sigil.common.runtime.Main;
 
 import static org.apache.felix.sigil.common.runtime.io.Constants.OK;
 import static org.apache.felix.sigil.common.runtime.io.Constants.ERROR;
@@ -43,14 +43,15 @@
  */
 public abstract class Action<I, O>
 {
-    private final ObjectInputStream in;
-    private final ObjectOutputStream out;
+    private static final String ASCII = "ASCII";
+    private final DataInputStream in;
+    private final DataOutputStream out;
 
 
-    public Action( InputStream in, OutputStream out ) throws IOException
+    public Action( DataInputStream in, DataOutputStream out ) throws IOException
     {
-        this.in = new ObjectInputStream( in );
-        this.out = new ObjectOutputStream( out );
+        this.in = in;
+        this.out = out;
     }
 
 
@@ -95,13 +96,18 @@
 
     protected String readString() throws IOException
     {
-        return in.readUTF();
+        int l = in.readInt();
+        byte[] buf = new byte[l];
+        in.readFully( buf );
+        return new String(buf, ASCII);
     }
 
 
     protected void writeString( String str ) throws IOException
     {
-        out.writeUTF( str );
+        byte[] buf = str.getBytes( ASCII );
+        out.writeInt( buf.length );
+        out.write( buf );
     }
 
 
@@ -118,7 +124,7 @@
 
 
     protected void writeLong( long l ) throws IOException
-    {
+    {        
         out.writeLong( l );
     }
 
@@ -197,4 +203,8 @@
     {
         out.flush();
     }
+    
+    protected void log(String msg) {
+        Main.log( msg );
+    }
 }

Modified: felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/Constants.java
URL: http://svn.apache.org/viewvc/felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/Constants.java?rev=805997&r1=805996&r2=805997&view=diff
==============================================================================
--- felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/Constants.java (original)
+++ felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/Constants.java Wed Aug 19 22:21:35 2009
@@ -27,8 +27,8 @@
 
     public static final int INSTALL = 1;
     public static final int START = 2;
-    public static final int STOP = 4;
-    public static final int UNINSTALL = 8;
-    public static final int UPDATE = 16;
-    public static final int STATUS = 32;
+    public static final int STOP = 3;
+    public static final int UNINSTALL = 4;
+    public static final int UPDATE = 5;
+    public static final int STATUS = 6;
 }

Modified: felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/InstallAction.java
URL: http://svn.apache.org/viewvc/felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/InstallAction.java?rev=805997&r1=805996&r2=805997&view=diff
==============================================================================
--- felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/InstallAction.java (original)
+++ felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/InstallAction.java Wed Aug 19 22:21:35 2009
@@ -20,9 +20,9 @@
 package org.apache.felix.sigil.common.runtime.io;
 
 
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleException;
@@ -38,7 +38,7 @@
 public class InstallAction extends Action<String, Long>
 {
 
-    public InstallAction( InputStream in, OutputStream out ) throws IOException
+    public InstallAction( DataInputStream in, DataOutputStream out ) throws IOException
     {
         super( in, out );
     }
@@ -49,6 +49,7 @@
     {
         writeInt( INSTALL );
         writeString( url );
+        flush();
         if ( checkOk() )
         {
             return readLong();
@@ -68,6 +69,7 @@
         try
         {
             Bundle val = fw.getBundleContext().installBundle( url );
+            log( "Installed " + url );
             writeOk();
             writeLong( val.getBundleId() );
         }
@@ -76,7 +78,7 @@
             writeError();
             writeString( e.getMessage() );
         }
-
+        flush();
     }
 
 }

Modified: felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StartAction.java
URL: http://svn.apache.org/viewvc/felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StartAction.java?rev=805997&r1=805996&r2=805997&view=diff
==============================================================================
--- felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StartAction.java (original)
+++ felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StartAction.java Wed Aug 19 22:21:35 2009
@@ -20,9 +20,9 @@
 package org.apache.felix.sigil.common.runtime.io;
 
 
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleException;
@@ -38,7 +38,7 @@
 public class StartAction extends Action<Long, Void>
 {
 
-    public StartAction( InputStream in, OutputStream out ) throws IOException
+    public StartAction( DataInputStream in, DataOutputStream out ) throws IOException
     {
         super( in, out );
     }
@@ -49,6 +49,7 @@
     {
         writeInt( START );
         writeLong( bundle );
+        flush();
         if ( !checkOk() )
         {
             String msg = readString();
@@ -74,6 +75,7 @@
             {
                 b.start();
                 writeOk();
+                log( "Started " + b.getSymbolicName() );
             }
             catch ( BundleException e )
             {
@@ -81,6 +83,7 @@
                 writeString( e.getMessage() );
             }
         }
+        flush();
     }
 
 }

Modified: felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StatusAction.java
URL: http://svn.apache.org/viewvc/felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StatusAction.java?rev=805997&r1=805996&r2=805997&view=diff
==============================================================================
--- felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StatusAction.java (original)
+++ felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StatusAction.java Wed Aug 19 22:21:35 2009
@@ -20,9 +20,9 @@
 package org.apache.felix.sigil.common.runtime.io;
 
 
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -40,7 +40,7 @@
 public class StatusAction extends Action<Void, Map<Long, String>>
 {
 
-    public StatusAction( InputStream in, OutputStream out ) throws IOException
+    public StatusAction( DataInputStream in, DataOutputStream out ) throws IOException
     {
         super( in, out );
     }
@@ -50,6 +50,7 @@
     public Map<Long, String> client( Void in ) throws IOException
     {
         writeInt(STATUS);
+        flush();
         int num = readInt();
         HashMap<Long, String> map = new HashMap<Long, String>(num);
         
@@ -66,13 +67,30 @@
     @Override
     public void server( Framework fw ) throws IOException
     {
+        log( "Read status" );
         Bundle[] bundles = fw.getBundleContext().getBundles();
         writeInt( bundles.length );
         for ( Bundle b : bundles ) {
             writeLong(b.getBundleId());
-            String symbol = b.getSymbolicName() + ":" + b.getHeaders().get( BUNDLE_VERSION );
+            String symbol = b.getSymbolicName() + ":" + b.getHeaders().get( BUNDLE_VERSION ) + ":" + state(b);
             writeString(symbol);
         }
+        
+        flush();
+    }
+
+
+    private String state( Bundle b )
+    {
+        switch ( b.getState() ) {
+            case Bundle.ACTIVE: return "active";
+            case Bundle.INSTALLED: return "installed";
+            case Bundle.RESOLVED: return "resolved";
+            case Bundle.STARTING: return "starting";
+            case Bundle.STOPPING: return "stopping";
+            case Bundle.UNINSTALLED: return "uninstalled";
+            default: return "unknown";
+        }
     }
 
 }

Modified: felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StopAction.java
URL: http://svn.apache.org/viewvc/felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StopAction.java?rev=805997&r1=805996&r2=805997&view=diff
==============================================================================
--- felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StopAction.java (original)
+++ felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/StopAction.java Wed Aug 19 22:21:35 2009
@@ -20,9 +20,9 @@
 package org.apache.felix.sigil.common.runtime.io;
 
 
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleException;
@@ -38,9 +38,10 @@
 public class StopAction extends Action<Long, Void>
 {
 
-    public StopAction( InputStream in, OutputStream out ) throws IOException
+    public StopAction( DataInputStream in, DataOutputStream out ) throws IOException
     {
         super( in, out );
+        // TODO Auto-generated constructor stub
     }
 
 

Modified: felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/UninstallAction.java
URL: http://svn.apache.org/viewvc/felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/UninstallAction.java?rev=805997&r1=805996&r2=805997&view=diff
==============================================================================
--- felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/UninstallAction.java (original)
+++ felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/UninstallAction.java Wed Aug 19 22:21:35 2009
@@ -20,9 +20,9 @@
 package org.apache.felix.sigil.common.runtime.io;
 
 
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
 
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleException;
@@ -38,10 +38,9 @@
 public class UninstallAction extends Action<Long, Void>
 {
 
-    public UninstallAction( InputStream in, OutputStream out ) throws IOException
+    public UninstallAction( DataInputStream in, DataOutputStream out ) throws IOException
     {
         super( in, out );
-        // TODO Auto-generated constructor stub
     }
 
 

Modified: felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/UpdateAction.java
URL: http://svn.apache.org/viewvc/felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/UpdateAction.java?rev=805997&r1=805996&r2=805997&view=diff
==============================================================================
--- felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/UpdateAction.java (original)
+++ felix/trunk/sigil/common/runtime/src/org/apache/felix/sigil/common/runtime/io/UpdateAction.java Wed Aug 19 22:21:35 2009
@@ -20,9 +20,10 @@
 package org.apache.felix.sigil.common.runtime.io;
 
 
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.OutputStream;
 
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleException;
@@ -51,9 +52,10 @@
     }
 
 
-    public UpdateAction( InputStream in, OutputStream out ) throws IOException
+    public UpdateAction( DataInputStream in, DataOutputStream out ) throws IOException
     {
         super( in, out );
+        // TODO Auto-generated constructor stub
     }