1 files changed, 66 insertions, 0 deletions
diff --git a/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/TextMessageBodyHandler.java b/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/TextMessageBodyHandler.java
new file mode 100644
index 000000000..a99a9383d
--- /dev/null
+++ b/models-sim/policy-models-simulators/src/main/java/org/onap/policy/models/simulators/TextMessageBodyHandler.java
@@ -0,0 +1,66 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP Policy Models
+ * ================================================================================
+ * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023-2024 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.models.simulators;
+
+import jakarta.ws.rs.Consumes;
+import jakarta.ws.rs.core.MediaType;
+import jakarta.ws.rs.core.MultivaluedMap;
+import jakarta.ws.rs.ext.MessageBodyReader;
+import jakarta.ws.rs.ext.Provider;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+import java.nio.charset.StandardCharsets;
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * Provider that decodes "text/plain" messages.
+ */
+@Provider
+@Consumes(TextMessageBodyHandler.MEDIA_TYPE_TEXT_PLAIN)
+public class TextMessageBodyHandler implements MessageBodyReader<Object> {
+    public static final String MEDIA_TYPE_TEXT_PLAIN = "text/plain";
+
+    @Override
+    public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
+        return (mediaType != null && MEDIA_TYPE_TEXT_PLAIN.equals(mediaType.toString()));
+    }
+
+    @Override
+    public List<Object> readFrom(Class<Object> type, Type genericType, Annotation[] annotations, MediaType mediaType,
+                    MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException {
+
+        try (var bufferedReader = new BufferedReader(new InputStreamReader(entityStream, StandardCharsets.UTF_8))) {
+            List<Object> messages = new LinkedList<>();
+            String msg;
+            while ((msg = bufferedReader.readLine()) != null) {
+                messages.add(msg);
+            }
+
+            return messages;
+        }
+    }
+}