diff --git a/.project b/.project
index 72f65b4..463409a 100644
--- a/.project
+++ b/.project
@@ -32,5 +32,6 @@
 		<nature>org.eclipse.wst.common.modulecore.ModuleCoreNature</nature>
 		<nature>org.eclipse.jem.workbench.JavaEMFNature</nature>
 		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
+		<nature>net.sf.eclipse.tomcat.tomcatnature</nature>
 	</natures>
 </projectDescription>
diff --git a/src/main/java/cactusServer/utils/JSONConsumer.java b/src/main/java/cactusServer/utils/JSONConsumer.java
index c3b4d23..5f55da4 100644
--- a/src/main/java/cactusServer/utils/JSONConsumer.java
+++ b/src/main/java/cactusServer/utils/JSONConsumer.java
@@ -2,6 +2,7 @@
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Type;
 
@@ -16,30 +17,30 @@
 import net.arnx.jsonic.JSON;
 import net.arnx.jsonic.JSONException;
 
+/**
+ * �����g�p���Ȃ��Ȃ�Ǝv��
+ * @author student
+ *
+ */
 @Provider
 @Consumes(MediaType.APPLICATION_JSON)
-public class JSONConsumer implements MessageBodyReader {
-
-	public boolean isReadable(java.lang.Class type, 
-		java.lang.reflect.Type genericType, java.lang.annotation.Annotation[] 
-		annotations, MediaType mediaType) {
-		return true;
+public class JSONConsumer implements MessageBodyReader<Object> {
+	@Override
+	public boolean isReadable(Class<?> type, java.lang.reflect.Type genericType,
+			java.lang.annotation.Annotation[] annotations, MediaType mediaType) {
+		// return true;
+		return mediaType.isCompatible(MediaType.APPLICATION_JSON_TYPE);
 	}
 
-
 	@Override
-	public Object readFrom(Class type, Type genericType, Annotation[] annotations, MediaType mediaType,
-			MultivaluedMap httpHeaders, InputStream entityStream) throws IOException, WebApplicationException {
-		// TODO Auto-generated method stub
+	public Object readFrom(Class<Object> type, Type genericType, Annotation[] annotations, MediaType mediaType,
+			MultivaluedMap<String, String> httpHeaders, InputStream entityStream)
+			throws IOException, WebApplicationException {
 		try {
-			return JSON.decode(entityStream,genericType);
+			// return JSON.decode(entityStream,genericType);
+			return JSON.decode(entityStream, type);
 		} catch (JSONException e) {
-			// TODO Auto-generated catch block
-			return null;
-		} catch (IOException e) {
-			// TODO Auto-generated catch block
 			return null;
 		}
 	}
-	
 }
\ No newline at end of file
diff --git a/src/main/java/cactusServer/utils/JSONProvider.java b/src/main/java/cactusServer/utils/JSONProvider.java
index 01817b9..4cab69f 100644
--- a/src/main/java/cactusServer/utils/JSONProvider.java
+++ b/src/main/java/cactusServer/utils/JSONProvider.java
@@ -17,22 +17,25 @@
 @Provider()
 @Produces(MediaType.APPLICATION_JSON)
 public class JSONProvider implements MessageBodyWriter<Object> {
-    @Override
-    public long getSize(Object obj, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
-        try {
-            return JSON.encode(obj).getBytes("UTF-8").length;
-        } catch (Exception e) {
-            throw new RuntimeException(e);
-        }
-    }
+	@Override
+	public long getSize(Object obj, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
+		try {
+			return JSON.encode(obj).getBytes("UTF-8").length;
+		} catch (Exception e) {
+			throw new RuntimeException(e);
+		}
+	}
 
-    @Override
-    public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
-        return true;
-    }
+	@Override
+	public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
+		// return true;
+		return mediaType.isCompatible(MediaType.APPLICATION_JSON_TYPE);
+	}
 
-    @Override
-    public void writeTo(Object obj, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException, WebApplicationException {
-        JSON.encode(obj, entityStream);
-    }
+	@Override
+	public void writeTo(Object obj, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType,
+			MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream)
+			throws IOException, WebApplicationException {
+		JSON.encode(obj, entityStream);
+	}
 }
\ No newline at end of file
diff --git a/src/main/java/cactusServer/utils/MyParamConverter.java b/src/main/java/cactusServer/utils/MyParamConverter.java
new file mode 100644
index 0000000..9ee58fe
--- /dev/null
+++ b/src/main/java/cactusServer/utils/MyParamConverter.java
@@ -0,0 +1,24 @@
+package cactusServer.utils;
+
+import javax.ws.rs.ext.ParamConverter;
+
+import cactusServer.entities.StageModel;
+import net.arnx.jsonic.JSON;
+
+public class MyParamConverter implements ParamConverter<StageModel> {
+//	private Class<?> type;
+//
+//	public MyParamConverter(Class<?> type) {
+//		this.type = type;
+//	}
+
+	@Override
+	public StageModel fromString(String value) {
+		return JSON.decode(value, StageModel.class);
+	}
+
+	@Override
+	public String toString(StageModel obj) {
+		return JSON.encode(obj);
+	}
+}
diff --git a/src/main/java/cactusServer/utils/MyParamConverterProvider.java b/src/main/java/cactusServer/utils/MyParamConverterProvider.java
new file mode 100644
index 0000000..c6edafc
--- /dev/null
+++ b/src/main/java/cactusServer/utils/MyParamConverterProvider.java
@@ -0,0 +1,20 @@
+package cactusServer.utils;
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+
+import javax.ws.rs.ext.ParamConverter;
+import javax.ws.rs.ext.ParamConverterProvider;
+
+import cactusServer.entities.StageModel;
+
+public class MyParamConverterProvider implements ParamConverterProvider {
+	@Override
+	public <T> ParamConverter<T> getConverter(Class<T> rawType, Type genericType, Annotation[] annotations) {
+		// return (ParamConverter<T>) new MyParamConverter(rawType);
+		if (rawType.equals(StageModel.class)) {
+			return (ParamConverter<T>) new MyParamConverter();
+		}
+		return null;
+	}
+}