001    /**
002    The contents of this file are subject to the Mozilla Public License Version 1.1 
003    (the "License"); you may not use this file except in compliance with the License. 
004    You may obtain a copy of the License at http://www.mozilla.org/MPL/ 
005    Software distributed under the License is distributed on an "AS IS" basis, 
006    WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the 
007    specific language governing rights and limitations under the License. 
008    
009    The Original Code is "HL7Writer.java".  Description: 
010    "An HL7Writer implements writing to an output stream using a particular lower 
011      layer protocol" 
012    
013    The Initial Developer of the Original Code is University Health Network. Copyright (C) 
014    2001.  All Rights Reserved. 
015    
016    Contributor(s): ______________________________________. 
017    
018    Alternatively, the contents of this file may be used under the terms of the 
019    GNU General Public License (the "GPL"), in which case the provisions of the GPL are 
020    applicable instead of those above.  If you wish to allow use of your version of this 
021    file only under the terms of the GPL and not to allow others to use your version 
022    of this file under the MPL, indicate your decision by deleting  the provisions above 
023    and replace  them with the notice and other provisions required by the GPL License.  
024    If you do not delete the provisions above, a recipient may use your version of 
025    this file under either the MPL or the GPL. 
026    
027    */
028    
029    package ca.uhn.hl7v2.llp;
030    
031    import java.io.*;
032    
033    /**
034     * An HL7Writer implements writing to an output stream using a particular lower 
035     * layer protocol.  
036     * @author Bryan Tripp
037     */
038    public interface HL7Writer {
039    
040        /** 
041         * Sends a complete message to the underlying output stream using the  
042         * lower layer protocol implemented by this HL7Writer.  
043         */
044        public void writeMessage(String message) throws LLPException, IOException;
045        
046        /**
047         * Sets the OutputStream to which to write messages.  The OutputStream must be set 
048         * before any calls to <code>()</code>.
049         */
050        public void setOutputStream(OutputStream out) throws IOException;
051    
052        /** 
053         * Closes the underlying stream and any other resources that should be closed. 
054         */
055        public void close() throws java.io.IOException;
056        
057    }