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-rw-r--r--models-errors/pom.xml2
-rw-r--r--models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponse.java4
-rw-r--r--models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponseInfo.java36
-rw-r--r--models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponseUtils.java56
-rw-r--r--models-errors/src/test/java/org/onap/policy/models/errors/concepts/ErrorResponseUtilsTest.java53
5 files changed, 149 insertions, 2 deletions
diff --git a/models-errors/pom.xml b/models-errors/pom.xml
index ab998537e..4e297868e 100644
--- a/models-errors/pom.xml
+++ b/models-errors/pom.xml
@@ -27,7 +27,7 @@
<version>2.0.0-SNAPSHOT</version>
</parent>
- <artifactId>models-errors</artifactId>
+ <artifactId>policy-models-errors</artifactId>
<name>${project.artifactId}</name>
<description>The models for Policy API's to return Error/warning message details.</description>
diff --git a/models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponse.java b/models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponse.java
index b072ba1f6..88960f8ae 100644
--- a/models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponse.java
+++ b/models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponse.java
@@ -22,6 +22,7 @@ package org.onap.policy.models.errors.concepts;
import com.google.gson.annotations.SerializedName;
+import java.io.Serializable;
import java.util.List;
import javax.ws.rs.core.Response;
@@ -36,7 +37,8 @@ import lombok.Data;
*
*/
@Data
-public class ErrorResponse {
+public class ErrorResponse implements Serializable {
+ private static final long serialVersionUID = 6760066094588944729L;
@SerializedName("code")
private Response.Status responseCode;
diff --git a/models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponseInfo.java b/models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponseInfo.java
new file mode 100644
index 000000000..ed7104b04
--- /dev/null
+++ b/models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponseInfo.java
@@ -0,0 +1,36 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.models.errors.concepts;
+
+/**
+ * Interface implemented by Policy framework model exceptions to allow uniform reading of error responses.
+ *
+ * @author Liam Fallon (liam.fallon@est.tech)
+ */
+public interface ErrorResponseInfo {
+
+ /**
+ * Get the error response.
+ *
+ * @return the error response
+ */
+ public ErrorResponse getErrorResponse();
+}
diff --git a/models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponseUtils.java b/models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponseUtils.java
new file mode 100644
index 000000000..6346f9a90
--- /dev/null
+++ b/models-errors/src/main/java/org/onap/policy/models/errors/concepts/ErrorResponseUtils.java
@@ -0,0 +1,56 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.models.errors.concepts;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Utility class for managing {@link ErrorResponse objects}
+ *
+ * @author Liam Fallon (liam.fallon@est.tech)
+ */
+public final class ErrorResponseUtils {
+ /**
+ * Private constructor used to prevent sub class instantiation.
+ */
+ private ErrorResponseUtils() {}
+
+ /**
+ * Store the cascaded messages from an exception and all its nested exceptions in an ErrorResponse object.
+ *
+ * @param throwable the top level exception
+ */
+ public static void getExceptionMessages(final ErrorResponse errorResponse, final Throwable throwable) {
+ errorResponse.setErrorMessage(throwable.getMessage());
+
+ List<String> cascascadedErrorMessages = new ArrayList<>();
+
+ for (Throwable t = throwable; t != null; t = t.getCause()) {
+ cascascadedErrorMessages.add(t.getMessage());
+ }
+
+ if (!cascascadedErrorMessages.isEmpty()) {
+ errorResponse.setErrorDetails(cascascadedErrorMessages);
+ }
+ }
+}
+
diff --git a/models-errors/src/test/java/org/onap/policy/models/errors/concepts/ErrorResponseUtilsTest.java b/models-errors/src/test/java/org/onap/policy/models/errors/concepts/ErrorResponseUtilsTest.java
new file mode 100644
index 000000000..4f4ef395a
--- /dev/null
+++ b/models-errors/src/test/java/org/onap/policy/models/errors/concepts/ErrorResponseUtilsTest.java
@@ -0,0 +1,53 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.models.errors.concepts;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.IOException;
+
+import org.junit.Test;
+
+/**
+ * Test the {@link ErrorResponseUtils} class.
+ *
+ * @author Liam Fallon (liam.fallon@est.tech)
+ */
+public class ErrorResponseUtilsTest {
+ @Test
+ public void testErrorResponseUtils() {
+ try {
+ try {
+ throw new NumberFormatException("Exception 0");
+ }
+ catch (Exception nfe) {
+ throw new IOException("Exception 1", nfe);
+ }
+ } catch (Exception ioe) {
+ ErrorResponse errorResponse = new ErrorResponse();
+ ErrorResponseUtils.getExceptionMessages(errorResponse, ioe);
+
+ assertEquals("Exception 1", errorResponse.getErrorMessage());
+ assertEquals("Exception 1", errorResponse.getErrorDetails().get(0));
+ assertEquals("Exception 0", errorResponse.getErrorDetails().get(1));
+ }
+ }
+}