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1   /* 
2    * Copyright (c) 2007, Fraunhofer-Gesellschaft
3    * All rights reserved.
4    * 
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions are
7    * met:
8    * 
9    * (1) Redistributions of source code must retain the above copyright
10   *     notice, this list of conditions and the disclaimer at the end.
11   *     Redistributions in binary form must reproduce the above copyright
12   *     notice, this list of conditions and the following disclaimer in
13   *     the documentation and/or other materials provided with the
14   *     distribution.
15   * 
16   * (2) Neither the name of Fraunhofer nor the names of its
17   *     contributors may be used to endorse or promote products derived
18   *     from this software without specific prior written permission.
19   * 
20   * DISCLAIMER
21   * 
22   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33   *  
34   */
35  package org.ogf.graap.wsag.interpreter.expr;
36  
37  import org.ogf.graap.wsag.interpreter.InterpreterContext;
38  import org.ogf.graap.wsag.interpreter.InterpreterException;
39  import org.ogf.schemas.graap.wsAgreement.TermCompositorType;
40  import org.ogf.schemas.graap.wsAgreement.TermType;
41  
42  /**
43   * OneOrMoreExpression
44   * 
45   * @author Oliver Waeldrich
46   * 
47   */
48  public class OneOrMoreExpression extends AbstractExpression
49  {
50  
51      /**
52       * @param expression
53       *            a term compositor representing an OneOrMore expression
54       */
55      public OneOrMoreExpression( TermCompositorType expression )
56      {
57          super( expression );
58      }
59  
60      /**
61       * {@inheritDoc}
62       * 
63       * @see org.ogf.graap.wsag.interpreter.expr.AbstractExpression#interpret(TermType [], InterpreterContext)
64       */
65      protected TermType[] interpret( TermType[] terms, InterpreterContext context )
66          throws InterpreterException
67      {
68          //
69          // TODO: we should apply some strategy here to choose the suitable terms
70          // ==> add strategy pattern in order to allow customization of the interpreter
71          //
72          if ( terms.length == 0 )
73          {
74              throw new InterpreterException( "OneOrMore expression returned no interpretation result." );
75          }
76  
77          return terms;
78      }
79  
80  }