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
  30 import java.util.Map;
  31
  32 import lombok.Getter;
  33 import lombok.Setter;
  34 import lombok.ToString;
  35
  36 import org.onap.policy.models.decisions.concepts.DecisionRequest;
  37 import org.onap.policy.pdp.xacml.application.common.ToscaPolicyConversionException;
  38
  39 @Getter
  40 @Setter
  41 @ToString
  42 @XACMLRequest(ReturnPolicyIdList = true)
  43 public class GuardPolicyRequest {
  44     private static final String STR_GUARD = "guard";
  45
  46     @XACMLSubject(includeInResults = true)
  47     private String onapName;
  48
  49     @XACMLSubject(includeInResults = true, attributeId = "urn:org:onap:onap-component")
  50     private String onapComponent;
  51
  52     @XACMLSubject(includeInResults = true, attributeId = "urn:org:onap:onap-instance")
  53     private String onapInstance;
  54
  55     @XACMLSubject(includeInResults = true, attributeId = "urn:org:onap:guard:request:request-id")
  56     private String requestId;
  57
  58     @XACMLAction
  59     private String action = STR_GUARD;
  60
  61     @XACMLResource(includeInResults = true, attributeId = "urn:org:onap:guard:clname:clname-id")
  62     private String clnameId;
  63
  64     @XACMLResource(includeInResults = true, attributeId = "urn:org:onap:guard:actor:actor-id")
  65     private String actorId;
  66
  67     @XACMLResource(includeInResults = true, attributeId = "urn:org:onap:guard:operation:operation-id")
  68     private String operationId;
  69
  70     @XACMLResource(includeInResults = true, attributeId = "urn:org:onap:guard:target:target-id")
  71     private String targetId;
  72
  73     @XACMLResource(includeInResults = true, attributeId = "urn:org:onap:guard:target:vf-count")
  74     private Integer vfCount;
  75
  76     public GuardPolicyRequest() {
  77         super();
  78     }
  79
  80     /**
  81      * Parses the DecisionRequest into a StdMetadataPolicyRequest.
  82      *
  83      * @param decisionRequest Input DecisionRequest
  84      * @return StdMetadataPolicyRequest
  85      * @throws ToscaPolicyConversionException If we cannot parse the request
  86      */
  87     @SuppressWarnings("unchecked")
  88     public static GuardPolicyRequest createInstance(DecisionRequest decisionRequest)
  89             throws ToscaPolicyConversionException {
  90         //
  91         // Create our return object
  92         //
  93         GuardPolicyRequest request = new GuardPolicyRequest();
  94         //
  95         // Add the subject attributes
  96         //
  97         request.onapName = decisionRequest.getOnapName();
  98         request.onapComponent = decisionRequest.getOnapComponent();
  99         request.onapInstance = decisionRequest.getOnapInstance();
 100         request.requestId = decisionRequest.getRequestId();
 101         //
 102         // Now pull from the resources
 103         //
 104         Map<String, Object> resources = decisionRequest.getResource();
 105         //
 106         // Just in case nothing is in there
 107         //
 108         if (resources == null || resources.isEmpty() || ! resources.containsKey(STR_GUARD)) {
 109             //
 110             // Perhaps we throw an exception and then caller
 111             // can put together a response
 112             //
 113             return request;
 114         }
 115         Map<String, Object> guard = (Map<String, Object>) resources.get(STR_GUARD);
 116         if (guard == null || guard.isEmpty()) {
 117             //
 118             // again, same problem throw an exception?
 119             //
 120             return request;
 121         }
 122         //
 123         // Find our fields
 124         //
 125         if (guard.containsKey("actor")) {
 126             request.actorId = guard.get("actor").toString();
 127         }
 128         if (guard.containsKey("recipe")) {
 129             request.operationId = guard.get("recipe").toString();
 130         }
 131         if (guard.containsKey("clname")) {
 132             request.clnameId = guard.get("clname").toString();
 133         }
 134         if (guard.containsKey("target")) {
 135             request.targetId = guard.get("target").toString();
 136         }
 137         if (guard.containsKey("vfCount")) {
 138             try {
 139                 request.vfCount = Integer.decode(guard.get("vfCount").toString());
 140             } catch (NumberFormatException e) {
 141                 throw new ToscaPolicyConversionException("Failed to decode vfCount", e);
 142             }
 143         }
 144
 145         return request;
 146     }
 147
 148 }