Adding policy forwarder for apex-pdp

* Adding policy forwarder for apex-pdp
* Adding ApexPdpPolicy to hold policies related to apex-pdp
* Adding forwarder parameter for configuring apex-pdp forwarder
* Adding test cases for all code changes.

Change-Id: Ic1cb9bfc11b2b95321ea2d81882c588b025d33fb
Issue-ID: POLICY-1101
Signed-off-by: ramverma <ram.krishna.verma@ericsson.com>

1 files changed, 69 insertions, 0 deletions

diff --git a/model/src/main/java/org/onap/policy/distribution/model/ApexPdpPolicy.java b/model/src/main/java/org/onap/policy/distribution/model/ApexPdpPolicy.java
new file mode 100644
index 00000000..a8f45764
--- /dev/null
+++ b/model/src/main/java/org/onap/policy/distribution/model/ApexPdpPolicy.java
@@ -0,0 +1,69 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2018 Ericsson. 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.distribution.model;
+
+import java.io.InputStream;
+
+/**
+ * This class represents an apex-pdp policy which can be decoded by a relevant {@link PolicyDecoder}.
+ *
+ * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
+ */
+public class ApexPdpPolicy implements Policy {
+    private String policyName;
+    private InputStream policyInputStream;
+
+    /**
+     * Constructor for creating instance of {@link ApexPdpPolicy}.
+     *
+     * @param policyName the policy file name
+     * @param policyInputStream the input stream
+     */
+    public ApexPdpPolicy(final String policyName, final InputStream policyInputStream) {
+        this.policyName = policyName;
+        this.policyInputStream = policyInputStream;
+    }
+
+    /**
+     * Returns the policyInputStream of this ApexPdpPolicy instance.
+     *
+     * @return the policyInputStream
+     */
+    public InputStream getPolicyInputStream() {
+        return policyInputStream;
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public String getPolicyName() {
+        return policyName;
+    }
+
+    /**
+     * {@inheritDoc}.
+     */
+    @Override
+    public String getPolicyType() {
+        return "Method not supported";
+    }
+}