maxstreamformatversionservicecontext.java

JAVA的一些源码 JAVA2 STANDARD EDITION DEVELOPMENT KIT 5.0

/*
 * @(#)MaxStreamFormatVersionServiceContext.java	1.8 04/06/21
 * 
 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

/**
 * @(#)MaxStreamFormatVersionServiceContext.java	1.8 04/06/21
 */
package com.sun.corba.se.spi.servicecontext;

import org.omg.IOP.RMICustomMaxStreamFormat;
import javax.rmi.CORBA.*;
import org.omg.CORBA.SystemException;
import org.omg.CORBA_2_3.portable.InputStream;
import org.omg.CORBA_2_3.portable.OutputStream;
import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
import com.sun.corba.se.impl.encoding.MarshalInputStream;
import com.sun.corba.se.impl.encoding.MarshalOutputStream;
import com.sun.corba.se.impl.orbutil.ORBUtility;

public class MaxStreamFormatVersionServiceContext extends ServiceContext {

    private byte maxStreamFormatVersion;

    // The singleton uses the maximum version indicated by our
    // ValueHandler.
    public static final MaxStreamFormatVersionServiceContext singleton
        = new MaxStreamFormatVersionServiceContext();

    public MaxStreamFormatVersionServiceContext() {
        maxStreamFormatVersion = ORBUtility.getMaxStreamFormatVersion();
    }

    public MaxStreamFormatVersionServiceContext(byte maxStreamFormatVersion) {
        this.maxStreamFormatVersion = maxStreamFormatVersion;
    }

    public MaxStreamFormatVersionServiceContext(InputStream is, 
                                                GIOPVersion gv) {
	super(is, gv) ;

        maxStreamFormatVersion = is.read_octet();
    }

    public static final int SERVICE_CONTEXT_ID = RMICustomMaxStreamFormat.value;
    public int getId() { return SERVICE_CONTEXT_ID; }

    public void writeData(OutputStream os) throws SystemException 
    {
        os.write_octet(maxStreamFormatVersion);
    }
    
    public byte getMaximumStreamFormatVersion()
    {
	return maxStreamFormatVersion;
    }

    public String toString() 
    {
	return "MaxStreamFormatVersionServiceContext[" 
            + maxStreamFormatVersion + "]";
    }
}