HONEYCOMB-9: Migrate Interface listener

Change-Id: Iffde1ee21b749a8c8efa96c243f7f8bb0811b4c7
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

3 files changed, 120 insertions, 1 deletions

diff --git a/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/VppApiCustomizer.java b/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/VppApiCustomizer.java
index de4602456..c9351cdc4 100644
--- a/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/VppApiCustomizer.java
+++ b/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/VppApiCustomizer.java
@@ -26,7 +26,7 @@ public abstract class VppApiCustomizer {
 
     private final org.openvpp.vppjapi.vppApi vppApi;
 
-    protected VppApiCustomizer(final org.openvpp.vppjapi.vppApi vppApi) {
+    public VppApiCustomizer(final org.openvpp.vppjapi.vppApi vppApi) {
         this.vppApi = vppApi;
     }
 
diff --git a/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/VppApiInvocationException.java b/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/VppApiInvocationException.java
new file mode 100644
index 000000000..4c50304c6
--- /dev/null
+++ b/v3po/vpp-translate-utils/src/main/java/io/fd/honeycomb/v3po/translate/v3po/util/VppApiInvocationException.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * 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.
+ */
+
+package io.fd.honeycomb.v3po.translate.v3po.util;
+
+import com.google.common.annotations.Beta;
+import com.google.common.base.Preconditions;
+import javax.annotation.Nonnull;
+
+/**
+ * Thrown when Vpp jAPI method invocation failed.
+ */
+@Beta
+public class VppApiInvocationException extends Exception {
+    private final String methodName;
+    private final int ctxId;
+    private final int errorCode;
+
+    /**
+     * Constructs an VppApiInvocationFailedException with the specified api method name and error code.
+     *
+     * @param methodName method name that failed to invoke
+     * @param ctxId      api request context identifier
+     * @param errorCode  negative error code value associated with this failure
+     * @throws NullPointerException     if apiMethodName is null
+     * @throws IllegalArgumentException if errorCode is nonnegative
+     */
+    public VppApiInvocationException(@Nonnull final String methodName, final int ctxId, final int errorCode) {
+        super(String.format("vppApi.%s failed with error code: %d (ctxId=%d) ", methodName, errorCode, ctxId));
+        this.methodName = Preconditions.checkNotNull(methodName, "apiMethodName is null!");
+        this.ctxId = ctxId;
+        Preconditions.checkArgument(errorCode < 0);
+        this.errorCode = errorCode;
+    }
+
+    /**
+     * Returns method name that failed to invoke.
+     *
+     * @return method name
+     */
+    public String getMethodName() {
+        return methodName;
+    }
+
+    /**
+     * Returns api request context identifier.
+     *
+     * @return value of context identifier
+     */
+    public int getCtxId() {
+        return ctxId;
+    }
+
+    /**
+     * Returns the error code associated with this failure.
+     *
+     * @return a negative integer error code
+     */
+    public int getErrorCode() {
+        return errorCode;
+    }
+}
diff --git a/v3po/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/VppApiInvocationExceptionTest.java b/v3po/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/VppApiInvocationExceptionTest.java
new file mode 100644
index 000000000..184beceef
--- /dev/null
+++ b/v3po/vpp-translate-utils/src/test/java/io/fd/honeycomb/v3po/translate/v3po/util/VppApiInvocationExceptionTest.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * 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.
+ */
+
+package io.fd.honeycomb.v3po.translate.v3po.util;
+
+import java.util.Random;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class VppApiInvocationExceptionTest {
+
+    @Test
+    public void testInstantiation() {
+        final String apiMethodName = "methodName";
+        final int ctxId = 1;
+        final int code = -1;
+        VppApiInvocationException e = new VppApiInvocationException(apiMethodName, ctxId, code);
+        Assert.assertEquals(apiMethodName, e.getMethodName());
+        Assert.assertEquals(ctxId, e.getCtxId());
+        Assert.assertEquals(code, e.getErrorCode());
+        Assert.assertTrue(e.getMessage().contains(apiMethodName));
+        Assert.assertTrue(e.getMessage().contains(String.valueOf(code)));
+        Assert.assertTrue(e.getMessage().contains(String.valueOf(ctxId)));
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void testInstantiationFailed() {
+        final int code = new Random().nextInt(Integer.MAX_VALUE);
+        VppApiInvocationException e = new VppApiInvocationException("apiMethodName", 1, code);
+    }
+}