diff --git a/src/main/java/cactusServer/entities/AddressedEntity.java b/src/main/java/cactusServer/entities/AddressedEntity.java
index 2b3dc80..d66bee5 100644
--- a/src/main/java/cactusServer/entities/AddressedEntity.java
+++ b/src/main/java/cactusServer/entities/AddressedEntity.java
@@ -5,19 +5,22 @@
  * @author r-isitani
  *
  */
-public class AddressedEntity {
-	private String URI;
+public abstract class AddressedEntity {
 	private Entity body;
 	
-	public AddressedEntity(String URI, Entity body) {
-		this.URI = URI;
-		this.body = body;
+	protected AddressedEntity() {
+		// JSONDecode���̌Ăяo���p
 	}
-	
-	public String getURI() {
-		return URI;
+
+	public AddressedEntity(Entity body) {
+		setBody(body);
 	}
+
 	public Entity getBody() {
 		return body;
 	}
+	
+	public void setBody(Entity body) {
+		this.body = body;
+	}
 }