applications/guard/src/main/java/org/onap/policy/xacml/pdp/application/guard/GuardPolicyRequest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP
   4  * ================================================================================
   5  * Copyright (C) 2019-2020 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  * SPDX-License-Identifier: Apache-2.0
  20  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.policy.xacml.pdp.application.guard;
  24
  25 import com.att.research.xacml.std.annotations.XACMLAction;
  26 import com.att.research.xacml.std.annotations.XACMLRequest;
  27 import com.att.research.xacml.std.annotations.XACMLResource;
  28 import com.att.research.xacml.std.annotations.XACMLSubject;
  29 import java.util.Map;
  30 import lombok.Getter;
  31 import lombok.Setter;
  32 import lombok.ToString;
  33 import org.onap.policy.models.decisions.concepts.DecisionRequest;
  34 import org.onap.policy.pdp.xacml.application.common.ToscaPolicyConversionException;
  35
  36 @Getter
  37 @Setter
  38 @ToString
  39 @XACMLRequest(ReturnPolicyIdList = true)
  40 public class GuardPolicyRequest {
  41     private static final String STR_GUARD = "guard";
  42
  43     @XACMLSubject(includeInResults = true)
  44     private String onapName;
  45
  46     @XACMLSubject(includeInResults = true, attributeId = "urn:org:onap:onap-component")
  47     private String onapComponent;
  48
  49     @XACMLSubject(includeInResults = true, attributeId = "urn:org:onap:onap-instance")
  50     private String onapInstance;
  51
  52     @XACMLSubject(includeInResults = true, attributeId = "urn:org:onap:guard:request:request-id")
  53     private String requestId;
  54
  55     @XACMLAction
  56     private String action = STR_GUARD;
  57
  58     @XACMLResource(includeInResults = true, attributeId = "urn:org:onap:guard:clname:clname-id")
  59     private String clnameId;
  60
  61     @XACMLResource(includeInResults = true, attributeId = "urn:org:onap:guard:actor:actor-id")
  62     private String actorId;
  63
  64     @XACMLResource(includeInResults = true, attributeId = "urn:org:onap:guard:operation:operation-id")
  65     private String operationId;
  66
  67     @XACMLResource(includeInResults = true, attributeId = "urn:org:onap:guard:target:target-id")
  68     private String targetId;
  69
  70     @XACMLResource(includeInResults = true, attributeId = "urn:org:onap:guard:target:vf-count")
  71     private Integer vfCount;
  72
  73     public GuardPolicyRequest() {
  74         super();
  75     }
  76
  77     /**
  78      * Parses the DecisionRequest into a StdMetadataPolicyRequest.
  79      *
  80      * @param decisionRequest Input DecisionRequest
  81      * @return StdMetadataPolicyRequest
  82      * @throws ToscaPolicyConversionException If we cannot parse the request
  83      */
  84     @SuppressWarnings("unchecked")
  85     public static GuardPolicyRequest createInstance(DecisionRequest decisionRequest)
  86             throws ToscaPolicyConversionException {
  87         //
  88         // Create our return object
  89         //
  90         GuardPolicyRequest request = new GuardPolicyRequest();
  91         //
  92         // Add the subject attributes
  93         //
  94         request.onapName = decisionRequest.getOnapName();
  95         request.onapComponent = decisionRequest.getOnapComponent();
  96         request.onapInstance = decisionRequest.getOnapInstance();
  97         request.requestId = decisionRequest.getRequestId();
  98         //
  99         // Now pull from the resources
 100         //
 101         Map<String, Object> resources = decisionRequest.getResource();
 102         //
 103         // Just in case nothing is in there
 104         //
 105         if (resources == null || resources.isEmpty() || !resources.containsKey(STR_GUARD)) {
 106             //
 107             // Perhaps we throw an exception and then caller
 108             // can put together a response
 109             //
 110             return request;
 111         }
 112         Map<String, Object> guard = (Map<String, Object>) resources.get(STR_GUARD);
 113         if (guard == null || guard.isEmpty()) {
 114             //
 115             // again, same problem throw an exception?
 116             //
 117             return request;
 118         }
 119         //
 120         // Find our fields
 121         //
 122         if (guard.containsKey("actor")) {
 123             request.actorId = guard.get("actor").toString();
 124         }
 125         if (guard.containsKey("operation")) {
 126             request.operationId = guard.get("operation").toString();
 127         }
 128         if (guard.containsKey("clname")) {
 129             request.clnameId = guard.get("clname").toString();
 130         }
 131         if (guard.containsKey("target")) {
 132             request.targetId = guard.get("target").toString();
 133         }
 134         if (guard.containsKey("vfCount")) {
 135             try {
 136                 request.vfCount = Integer.decode(guard.get("vfCount").toString());
 137             } catch (NumberFormatException e) {
 138                 throw new ToscaPolicyConversionException("Failed to decode vfCount", e);
 139             }
 140         }
 141
 142         return request;
 143     }
 144
 145 }