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; 36 37 import org.ogf.graap.wsag.interpreter.expr.AllExpression; 38 import org.ogf.schemas.graap.wsAgreement.AgreementTemplateType; 39 import org.ogf.schemas.graap.wsAgreement.AgreementType; 40 import org.ogf.schemas.graap.wsAgreement.GuaranteeTermType; 41 import org.ogf.schemas.graap.wsAgreement.ServiceDescriptionTermType; 42 import org.ogf.schemas.graap.wsAgreement.ServicePropertiesType; 43 import org.ogf.schemas.graap.wsAgreement.ServiceReferenceType; 44 import org.ogf.schemas.graap.wsAgreement.TermTreeType; 45 import org.ogf.schemas.graap.wsAgreement.TermType; 46 47 /** 48 * The agreement interpreter evaluates the agreement language in the agreement terms property and checks 49 * whether or not the agreement is valid with respect to term composition. 50 * 51 * @author Oliver Waeldrich 52 * 53 */ 54 public class AgreementInterpreter 55 { 56 /** 57 * Evaluates the term composition in the given template and returns the template if the terms in the 58 * template are valid with respect to term composition. Otherwise an exception is thrown. 59 * 60 * @param template 61 * the template to evaluate 62 * @return the valid template 63 * @throws InterpreterException 64 * error during term processing 65 */ 66 public AgreementTemplateType process( AgreementTemplateType template ) throws InterpreterException 67 { 68 return (AgreementTemplateType) interpretAgreementType( template ); 69 } 70 71 /** 72 * Evaluates the term composition in the given agreement and returns the agreement object if the terms are 73 * valid with respect to term composition. 74 * 75 * @param agreement 76 * the agreement to evaluate 77 * @return the valid agreement 78 * @throws InterpreterException 79 * error during term processing 80 */ 81 public AgreementType process( AgreementType agreement ) throws InterpreterException 82 { 83 return interpretAgreementType( agreement ); 84 } 85 86 private AgreementType interpretAgreementType( AgreementType toProcess ) throws InterpreterException 87 { 88 89 toProcess = (AgreementType) toProcess.copy(); 90 91 AllExpression all = new AllExpression( toProcess.getTerms().getAll() ); 92 93 // 94 // interpret the all expression 95 // 96 TermType[] terms = all.interpret( new InterpreterContext() ); 97 98 TermTreeType processed = TermTreeType.Factory.newInstance(); 99 processed.addNewAll(); 100 101 for ( int i = 0; i < terms.length; i++ ) 102 { 103 if ( terms[i] instanceof ServiceDescriptionTermType ) 104 { 105 processed.getAll().addNewServiceDescriptionTerm().set( terms[i] ); 106 } 107 if ( terms[i] instanceof GuaranteeTermType ) 108 { 109 processed.getAll().addNewGuaranteeTerm().set( terms[i] ); 110 } 111 if ( terms[i] instanceof ServicePropertiesType ) 112 { 113 processed.getAll().addNewServiceProperties().set( terms[i] ); 114 } 115 if ( terms[i] instanceof ServiceReferenceType ) 116 { 117 processed.getAll().addNewServiceReference().set( terms[i] ); 118 } 119 } 120 121 // 122 // reinitialize the term tree 123 // 124 toProcess.setTerms( processed ); 125 126 return toProcess; 127 } 128 }