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-rw-r--r--common/src/main/java/org/openecomp/mso/utils/RootIgnoringJsonDeserializer.java67
-rw-r--r--common/src/main/java/org/openecomp/mso/utils/RootIgnoringObjectMapper.java39
-rw-r--r--common/src/test/java/org/openecomp/mso/utils/RootIgnoringObjectMapperTest.java94
3 files changed, 200 insertions, 0 deletions
diff --git a/common/src/main/java/org/openecomp/mso/utils/RootIgnoringJsonDeserializer.java b/common/src/main/java/org/openecomp/mso/utils/RootIgnoringJsonDeserializer.java
new file mode 100644
index 0000000000..95f72c4dd4
--- /dev/null
+++ b/common/src/main/java/org/openecomp/mso/utils/RootIgnoringJsonDeserializer.java
@@ -0,0 +1,67 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.mso.utils;
+
+import java.io.IOException;
+import java.util.Map;
+
+import com.fasterxml.jackson.annotation.JsonRootName;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+/**
+ * A JSON deserializer that ignores the root element if it is present.
+ */
+public class RootIgnoringJsonDeserializer<T> extends JsonDeserializer<T> {
+
+ private final ObjectMapper mapper = new ObjectMapper();
+ private final Class<T> clazz;
+ private final String jsonRootName;
+
+ public RootIgnoringJsonDeserializer(Class<T> clazz) {
+ this.clazz = clazz;
+
+ JsonRootName annotation = clazz.getAnnotation(JsonRootName.class);
+
+ if (annotation == null || annotation.value() == null || annotation.value().equals("")) {
+ jsonRootName = clazz.getSimpleName();
+ } else {
+ jsonRootName = annotation.value();
+ }
+ }
+
+ @Override
+ public T deserialize(JsonParser jp, DeserializationContext dc)
+ throws IOException, JsonProcessingException {
+ JsonNode rootNode = jp.getCodec().readTree(jp);
+ Map.Entry<String,JsonNode> field = rootNode.fields().next();
+
+ if (jsonRootName.equals(field.getKey())) {
+ rootNode = field.getValue();
+ }
+
+ return mapper.convertValue(rootNode, clazz);
+ }
+} \ No newline at end of file
diff --git a/common/src/main/java/org/openecomp/mso/utils/RootIgnoringObjectMapper.java b/common/src/main/java/org/openecomp/mso/utils/RootIgnoringObjectMapper.java
new file mode 100644
index 0000000000..6f3c5b7d99
--- /dev/null
+++ b/common/src/main/java/org/openecomp/mso/utils/RootIgnoringObjectMapper.java
@@ -0,0 +1,39 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.mso.utils;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+
+/**
+ * An ObjectMapper for a specific class that ignores the root element
+ * if it is present.
+ */
+public class RootIgnoringObjectMapper<T> extends ObjectMapper {
+
+ private static final long serialVersionUID = 6812584067195377395L;
+
+ public RootIgnoringObjectMapper(Class<T> clazz) {
+ SimpleModule module = new SimpleModule();
+ module.addDeserializer(clazz, new RootIgnoringJsonDeserializer<T>(clazz));
+ registerModule(module);
+ }
+} \ No newline at end of file
diff --git a/common/src/test/java/org/openecomp/mso/utils/RootIgnoringObjectMapperTest.java b/common/src/test/java/org/openecomp/mso/utils/RootIgnoringObjectMapperTest.java
new file mode 100644
index 0000000000..1c7e845f16
--- /dev/null
+++ b/common/src/test/java/org/openecomp/mso/utils/RootIgnoringObjectMapperTest.java
@@ -0,0 +1,94 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2018 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.mso.utils;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.annotation.JsonRootName;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+public class RootIgnoringObjectMapperTest {
+
+ @Test
+ public void someObjectWithoutRootTest() throws Exception {
+ ObjectMapper mapper = new RootIgnoringObjectMapper<SomeObject>(SomeObject.class);
+
+ String content = "{"
+ + "\"attribute\":\"charm\""
+ + "}";
+
+ SomeObject response = mapper.readValue(content, SomeObject.class);
+ assertEquals("SomeObject[attribute=charm]", response.toString());
+ }
+
+ @Test
+ public void someObjectWithRootTest() throws Exception {
+ ObjectMapper mapper = new RootIgnoringObjectMapper<SomeObject>(SomeObject.class);
+
+ String content = "{\"SomeObject\":{"
+ + "\"attribute\":\"charm\""
+ + "}}";
+
+ SomeObject response = mapper.readValue(content, SomeObject.class);
+ assertEquals("SomeObject[attribute=charm]", response.toString());
+ }
+
+ @Test
+ public void annotatedObjectWithoutRootTest() throws Exception {
+ ObjectMapper mapper = new RootIgnoringObjectMapper<AnnotatedObject>(AnnotatedObject.class);
+
+ String content = "{"
+ + "\"attribute\":\"charm\""
+ + "}";
+
+ AnnotatedObject response = mapper.readValue(content, AnnotatedObject.class);
+ assertEquals("AnnotatedObject[attribute=charm]", response.toString());
+ }
+
+ @Test
+ public void annotatedObjectWithRootTest() throws Exception {
+ ObjectMapper mapper = new RootIgnoringObjectMapper<AnnotatedObject>(AnnotatedObject.class);
+
+ String content = "{\"annotated-object\":{"
+ + "\"attribute\":\"charm\""
+ + "}}";
+
+ AnnotatedObject response = mapper.readValue(content, AnnotatedObject.class);
+ assertEquals("AnnotatedObject[attribute=charm]", response.toString());
+ }
+
+ public static class SomeObject {
+
+ @JsonProperty("attribute")
+ private String attribute;
+
+ public String toString() {
+ return getClass().getSimpleName() + "[attribute=" + attribute + "]";
+ }
+ }
+
+ @JsonRootName(value = "annotated-object")
+ public static class AnnotatedObject extends SomeObject {
+ }
+} \ No newline at end of file