applications/guard/src/main/java/org/onap/policy/xacml/pdp/application/guard/GuardPdpApplication.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 java.util.Arrays;
  26 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
  27 import org.onap.policy.pdp.xacml.application.common.ToscaPolicyTranslator;
  28 import org.onap.policy.pdp.xacml.application.common.std.StdXacmlApplicationServiceProvider;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 /**
  33  * This class implements the onap.policies.controlloop.Guard policy implementations.
  34  *
  35  * @author pameladragosh
  36  *
  37  */
  38 public class GuardPdpApplication extends StdXacmlApplicationServiceProvider {
  39     private static final Logger LOGGER = LoggerFactory.getLogger(GuardPdpApplication.class);
  40     private static final String STRING_VERSION100 = "1.0.0";
  41
  42     private GuardTranslator guardTranslator = new GuardTranslator();
  43     private CoordinationGuardTranslator coordinationTranslator = new CoordinationGuardTranslator();
  44
  45     /**
  46      * Constructor.
  47      *
  48      */
  49     public GuardPdpApplication() {
  50         super();
  51
  52         applicationName = "guard";
  53         actions = Arrays.asList("guard");
  54
  55         this.supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(
  56                 GuardTranslator.POLICYTYPE_FREQUENCY,
  57                 STRING_VERSION100));
  58         this.supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(
  59                 GuardTranslator.POLICYTYPE_MINMAX,
  60                 STRING_VERSION100));
  61         this.supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(
  62                 GuardTranslator.POLICYTYPE_BLACKLIST,
  63                 STRING_VERSION100));
  64         this.supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(
  65                 GuardTranslator.POLICYTYPE_FILTER,
  66                 STRING_VERSION100));
  67         this.supportedPolicyTypes.add(new ToscaPolicyTypeIdentifier(
  68                 "onap.policies.controlloop.guard.coordination.FirstBlocksSecond",
  69                 STRING_VERSION100));
  70     }
  71
  72     @Override
  73     public boolean canSupportPolicyType(ToscaPolicyTypeIdentifier policyTypeId) {
  74         //
  75         // For the time being, restrict this if the version isn't known.
  76         // Could be too difficult to support changing of versions dynamically.
  77         //
  78         for (ToscaPolicyTypeIdentifier supported : this.supportedPolicyTypes) {
  79             if (policyTypeId.equals(supported)) {
  80                 return true;
  81             }
  82         }
  83         return false;
  84     }
  85
  86     @Override
  87     protected ToscaPolicyTranslator getTranslator(String type) {
  88         LOGGER.debug("Policy type {}", type);
  89         if (type.contains("coordination")) {
  90             LOGGER.debug("returning coordinationTranslator");
  91             return coordinationTranslator;
  92         } else {
  93             LOGGER.debug("returning guardTranslator");
  94             return guardTranslator;
  95         }
  96     }
  97
  98 }