From 30baec4990d0f2839557abe723bf93e2f8f930ed Mon Sep 17 00:00:00 2001
From: orange <raffy.m.96@gmail.com>
Date: Fri, 30 Dec 2016 13:52:33 +0100
Subject: [PATCH] add inner class

---
 src/Museo/FiltroAutore.java  |  6 ------
 src/Museo/FiltroStringa.java | 41 ++++++++++++++++++++++++++++++++++++
 src/Museo/FiltroTitolo.java  |  6 ------
 src/Museo/OperaMult.java     |  4 ++++
 src/Museo/Stampa.java        |  4 ++++
 src/Museo/Test.java          |  4 ++--
 6 files changed, 51 insertions(+), 14 deletions(-)
 delete mode 100644 src/Museo/FiltroAutore.java
 delete mode 100644 src/Museo/FiltroTitolo.java

diff --git a/src/Museo/FiltroAutore.java b/src/Museo/FiltroAutore.java
deleted file mode 100644
index dfc999b..0000000
--- a/src/Museo/FiltroAutore.java
+++ /dev/null
@@ -1,6 +0,0 @@
-public class FiltroAutore implements FiltroStringa{
-    
-    public String getString(Object obj){
-        return ((Opera) obj).getAutore();
-    }
-}
\ No newline at end of file
diff --git a/src/Museo/FiltroStringa.java b/src/Museo/FiltroStringa.java
index 602fe5a..63d292c 100644
--- a/src/Museo/FiltroStringa.java
+++ b/src/Museo/FiltroStringa.java
@@ -1,3 +1,44 @@
 public interface FiltroStringa{
     String getString(Object obj);
+}
+
+class FiltroSupporto implements FiltroStringa{
+
+    public String getString(Object obj){
+        if(obj instanceof OperaMult)
+            return ((OperaMult) obj).getSupporto();
+        else
+            return "";
+    }
+}
+
+class FiltroTecnica implements FiltroStringa{
+
+    public String getString(Object obj){
+        if(obj instanceof Stampa)
+            return ((Stampa) obj).getTecnica();
+        else
+            return "";
+    }
+}
+
+class FiltroAutore implements FiltroStringa{
+    
+    public String getString(Object obj){
+        return ((Opera) obj).getAutore();
+    }
+}
+
+class FiltroTitolo implements FiltroStringa{
+    
+    public String getString(Object obj){
+        return ((Opera) obj).getTitolo();
+    }
+}
+
+class FiltroPosizione implements FiltroStringa{
+
+    public String getString(Object obj){
+        return ((Opera) obj).getPos();
+    }
 }
\ No newline at end of file
diff --git a/src/Museo/FiltroTitolo.java b/src/Museo/FiltroTitolo.java
deleted file mode 100644
index ee21b3e..0000000
--- a/src/Museo/FiltroTitolo.java
+++ /dev/null
@@ -1,6 +0,0 @@
-public class FiltroTitolo implements FiltroStringa{
-    
-    public String getString(Object obj){
-        return ((Opera) obj).getTitolo();
-    }
-}
\ No newline at end of file
diff --git a/src/Museo/OperaMult.java b/src/Museo/OperaMult.java
index a06cff5..d426319 100644
--- a/src/Museo/OperaMult.java
+++ b/src/Museo/OperaMult.java
@@ -8,6 +8,10 @@ public class OperaMult extends Opera{
         this.supporto=supporto;
     }
 
+    public String getSupporto(){
+        return supporto;
+    }
+
     public int hashCode(){
         return super.hashCode()*supporto.hashCode();
     }
diff --git a/src/Museo/Stampa.java b/src/Museo/Stampa.java
index 956cc5c..80984aa 100644
--- a/src/Museo/Stampa.java
+++ b/src/Museo/Stampa.java
@@ -8,6 +8,10 @@ public class Stampa extends Opera{
         this.tecnica=tecnica;
     }
 
+    public String getTecnica(){
+        return tecnica;
+    }
+
     public int hashCode(){
         return super.hashCode()*tecnica.hashCode();
     }
diff --git a/src/Museo/Test.java b/src/Museo/Test.java
index 0ad14ac..8b054ee 100644
--- a/src/Museo/Test.java
+++ b/src/Museo/Test.java
@@ -13,10 +13,10 @@ public class Test{
 
         System.out.println("****");
 
-        arch.filtroStringa(new FiltroAutore(), "Autore1").print(System.out);
+        arch.filtroStringa(new FiltroAutore(), "Autore1").filtroStringa(new FiltroPosizione(), "4D").print(System.out);
 
         System.out.println("****");
 
-        arch.filtroAnno(2000).print(System.out);
+        arch.filtroStringa(new FiltroTecnica(), "Pergamena").filtroAnno(1999).print(System.out);
     }
 }
\ No newline at end of file