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1   /**
2   The contents of this file are subject to the Mozilla Public License Version 1.1 
3   (the "License"); you may not use this file except in compliance with the License. 
4   You may obtain a copy of the License at http://www.mozilla.org/MPL/ 
5   Software distributed under the License is distributed on an "AS IS" basis, 
6   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the 
7   specific language governing rights and limitations under the License. 
8   
9   The Original Code is "HL7Reader.java".  Description: 
10  "An HL7Reader implements reading from an input stream using a particular lower 
11    layer protocol" 
12  
13  The Initial Developer of the Original Code is University Health Network. Copyright (C) 
14  2001.  All Rights Reserved. 
15  
16  Contributor(s): ______________________________________. 
17  
18  Alternatively, the contents of this file may be used under the terms of the 
19  GNU General Public License (the "GPL"), in which case the provisions of the GPL are 
20  applicable instead of those above.  If you wish to allow use of your version of this 
21  file only under the terms of the GPL and not to allow others to use your version 
22  of this file under the MPL, indicate your decision by deleting  the provisions above 
23  and replace  them with the notice and other provisions required by the GPL License.  
24  If you do not delete the provisions above, a recipient may use your version of 
25  this file under either the MPL or the GPL. 
26  
27  */
28  
29  package ca.uhn.hl7v2.llp;
30  
31  import java.io.*;
32  
33  /**
34   * An HL7Reader implements reading from an input stream using a particular lower 
35   * layer protocol.  
36   * @author Bryan Tripp
37   */
38  public interface HL7Reader {
39  
40      /** 
41       * Reads a complete HL7 message from the underlying input stream 
42       */
43      public String getMessage() throws LLPException, IOException;
44      
45      /**
46       * Sets the InputStream from which to read messages.  The InputStream must be set 
47       * before any calls to <code>getMessage()</code>.
48       */
49      public void setInputStream(InputStream in) throws IOException;
50      
51      /** 
52       * Closes the underlying stream and any other resources that should be closed. 
53       */
54      public void close() throws java.io.IOException;
55      
56  }