Monitoring policy creation foundation

[policy/xacml-pdp.git] / applications / common / src / main / java / org / onap / policy / pdp / xacml / application / common / ToscaPolicyConverterUtils.java

diff --git a/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyConverterUtils.java b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyConverterUtils.java
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+++ b/applications/common/src/main/java/org/onap/policy/pdp/xacml/application/common/ToscaPolicyConverterUtils.java
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+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.pdp.xacml.application.common;
+
+import com.att.research.xacml.api.Identifier;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AllOfType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeDesignatorType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.AttributeValueType;
+import oasis.names.tc.xacml._3_0.core.schema.wd_17.MatchType;
+
+/**
+ * This class contains static methods of helper classes to convert TOSCA policies
+ * into XACML policies.
+ *
+ * @author pameladragosh
+ *
+ */
+public final class ToscaPolicyConverterUtils {
+
+    private ToscaPolicyConverterUtils() {
+        super();
+    }
+
+    /**
+     * This method builds a MatchType for TargetType object for AttributeValue and AttributeDesignator
+     * combination.
+     *
+     * @param <T> Incoming value could be any object
+     * @param function Function for the Match
+     * @param value Attribute value used
+     * @param datatype Datatype for attribute value and AttributeDesignator
+     * @param designatorId ID for the AttributeDesignator
+     * @param designatorCategory Category ID for the AttributeDesignator
+     * @return The MatchType object
+     */
+    public static <T> MatchType buildMatchTypeDesignator(Identifier function,
+            T value,
+            Identifier datatype,
+            Identifier designatorId,
+            Identifier designatorCategory) {
+        //
+        // Create the MatchType object and set its function
+        //
+        MatchType match = new MatchType();
+        match.setMatchId(function.stringValue());
+        //
+        // Add in the AttributeValue object
+        //
+        AttributeValueType valueType = new AttributeValueType();
+        valueType.setDataType(datatype.stringValue());
+        valueType.getContent().add(value);
+
+        match.setAttributeValue(valueType);
+        //
+        // Add in the AttributeDesignator object
+        //
+        AttributeDesignatorType designator = new AttributeDesignatorType();
+        designator.setAttributeId(designatorId.stringValue());
+        designator.setCategory(designatorCategory.stringValue());
+        designator.setDataType(datatype.stringValue());
+
+        match.setAttributeDesignator(designator);
+        //
+        // Done
+        //
+        return match;
+    }
+
+    /**
+     * Builds an AllOfType (AND) with one or more MatchType objects.
+     *
+     * @param matches A list of one or more MatchType
+     * @return The AllOf object
+     */
+    public static AllOfType buildAllOf(MatchType... matches) {
+        AllOfType allOf = new AllOfType();
+        for (MatchType match : matches) {
+            allOf.getMatch().add(match);
+        }
+        return allOf;
+    }
+}