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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.samples;
36  
37  import org.apache.log4j.Logger;
38  import org.ogf.graap.wsag.api.Agreement;
39  import org.ogf.graap.wsag.api.AgreementOffer;
40  import org.ogf.graap.wsag.api.exceptions.AgreementFactoryException;
41  import org.ogf.graap.wsag.server.actions.AbstractCreateAgreementAction;
42  import org.ogf.graap.wsag.server.actions.ActionInitializationException;
43  import org.ogf.graap.wsag4j.types.configuration.ImplementationConfigurationType;
44  import org.ogf.schemas.graap.wsAgreement.ServiceDescriptionTermType;
45  
46  /**
47   * Sample1CreateAgreementAction
48   * 
49   * @author Oliver Waeldrich
50   * 
51   */
52  
53  // START SNIPPET: SampleCreateAgreement
54  
55  public class Sample2CreateAgreementAction extends AbstractCreateAgreementAction
56  {
57  
58      private static Logger log = Logger.getLogger( Sample2CreateAgreementAction.class );
59  
60      // END SNIPPET: SampleCreateAgreement
61  
62      /**
63       * {@inheritDoc}
64       * 
65       * @see org.ogf.graap.wsag.server.actions.ICreateAgreementAction#createAgreement(org.ogf.graap.wsag.api.AgreementOffer)
66       */
67      // START SNIPPET: CreateAgreementMethod
68      public Agreement createAgreement( AgreementOffer offer ) throws AgreementFactoryException
69      {
70          //
71          // First, check the validity of the offer
72          //
73          if ( ( offer.getTerms() == null ) || ( offer.getTerms().getAll() == null ) )
74          {
75  
76              throw new AgreementFactoryException( "Offer does not contain any terms." );
77  
78          }
79  
80          //
81          // Then, evaluate the service description terms.
82          //
83          ServiceDescriptionTermType[] sdts = offer.getTerms().getAll().getServiceDescriptionTermArray();
84          if ( ( sdts != null ) && ( sdts.length == 1 ) && ( sdts[0].getName().equals( "TEST_EXCEPTION" ) ) )
85          {
86              String message = "No ServiceDescriptionTerms defined.";
87              log.error( message );
88  
89              // e.g. if a SDT named TEST_EXCEPTION was found, fire the Exception
90              throw new AgreementFactoryException( message );
91          }
92  
93          //
94          // Implement the SLA specific logic, e.g. reserve resources and start a service
95          //
96          // myResources.reserve();
97          // myServer.start();
98          //
99  
100         //
101         // At last, create an agreement instance and return it
102         //
103         SampleAgreement agreement = new SampleAgreement( offer );
104 
105         return agreement;
106     }
107 
108     // END SNIPPET: CreateAgreementMethod
109 
110     /**
111      * {@inheritDoc}
112      * 
113      * @see org.ogf.graap.wsag.server.actions.IAction#initialize()
114      */
115     // START SNIPPET: Initialize
116     @Override
117     public void initialize() throws ActionInitializationException
118     {
119         //
120         // You can access the action configuration data of the wsag4j-engine.config
121         // by calling the getConfiguration() method. You can iterate over the configuration
122         // data by using the DOM API, or you can select child data via XPath.
123         //
124         ImplementationConfigurationType config = getHandlerContext().getHandlerConfiguration();
125         config.getDomNode();
126 
127         //
128         // put additional code here to initialize your action
129         //
130     }
131     // END SNIPPET: Initialize
132 
133 }