Merge "update verigraph"

1 files changed, 51 insertions, 0 deletions

diff --git a/verigraph/src/it/polito/verigraph/deserializer/PathsMessageBodyReader.java b/verigraph/src/it/polito/verigraph/deserializer/PathsMessageBodyReader.java
new file mode 100644
index 0000000..e243fee
--- /dev/null
+++ b/verigraph/src/it/polito/verigraph/deserializer/PathsMessageBodyReader.java
@@ -0,0 +1,51 @@
+/*******************************************************************************
+ * Copyright (c) 2017 Politecnico di Torino and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Apache License, Version 2.0
+ * which accompanies this distribution, and is available at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *******************************************************************************/
+package it.polito.verigraph.deserializer;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.ProcessingException;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.ext.MessageBodyReader;
+import javax.ws.rs.ext.Provider;
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBException;
+
+import it.polito.neo4j.jaxb.Paths;
+
+@Provider
+@Consumes(MediaType.APPLICATION_XML)
+public class PathsMessageBodyReader implements MessageBodyReader<Paths>{
+
+    @Override
+    public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
+        return type == Paths.class;
+    }
+
+    @Override
+    public Paths readFrom(Class<Paths> type, Type genericType, Annotation[] annotations, MediaType mediaType,
+            MultivaluedMap<String, String> httpHeaders, InputStream entityStream)
+                    throws IOException, WebApplicationException {
+        try {
+            JAXBContext jaxbContext = JAXBContext.newInstance(Paths.class);
+            Paths paths = (Paths) jaxbContext.createUnmarshaller()
+                    .unmarshal(entityStream);
+            return paths;
+        } catch (JAXBException jaxbException) {
+            throw new ProcessingException("Error deserializing a Paths object.",
+                    jaxbException);
+        }
+    }
+
+}
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