refactoring, add CoF example 1,2,3

Author: mcaliman

Diff for: .idea/uiDesigner.xml

@@ -4,8 +4,10 @@ Yet another collection of Java Design Patterns
 This repository contains code samples from the related posts of my blog
 I'm adding new samples from time to time.
 
-1. Chain Of Responsibility (COF) Pattern Java Examples
-2. Interpreter Pattern Java Examples
+1. Chain Of Responsibility (COF) Pattern Java Examples 1
+2. Chain Of Responsibility (COF) Pattern Java Examples 2
+3. Chain Of Responsibility (COF) Pattern Java Examples 3 
+4. Interpreter Pattern Java Examples
 
 # Contribute
 

Diff for: README.md

@@ -0,0 +1,52 @@
+/*
+ The MIT License (MIT)
+
+ Copyright (c) 2015 Massimo Caliman
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all
+ copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ SOFTWARE.
+ */
+package io.github.mcaliman.patterns.chain.of.responsibility.example1;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * @author Massimo Caliman
+ */
+public class AHandler implements Handler {
+
+    private static final Logger LOG = Logger.getLogger(AHandler.class.getName());
+
+    private Handler next;
+
+    @Override
+    public void next(Handler handler) {
+        next = handler;
+    }
+
+    @Override
+    public void handleRequest(Entry e) {
+        if (!e.isPropertyA()) {
+            next.handleRequest(e);
+        } else {
+            //handle request
+            LOG.log(Level.INFO, "> {0} : call AHandler ", e.toString());
+        }
+    }
+}

Diff for: src/io/github/mcaliman/patterns/chain/of/responsibility/example1/AHandler.java

@@ -0,0 +1,52 @@
+/*
+ The MIT License (MIT)
+
+ Copyright (c) 2015 Massimo Caliman
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all
+ copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ SOFTWARE.
+ */
+package io.github.mcaliman.patterns.chain.of.responsibility.example1;
+
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+/**
+ * @author Massimo Caliman
+ */
+public class BHandler implements Handler {
+
+    private static final Logger LOG = Logger.getLogger(BHandler.class.getName());
+
+    private Handler next;
+
+    @Override
+    public void next(Handler handler) {
+        next = handler;
+    }
+
+    @Override
+    public void handleRequest(Entry e) {
+        if (!e.isPropertyB()) {
+            next.handleRequest(e);
+        } else {
+            //handle request
+            LOG.log(Level.INFO, "> {0} : call BHandler ", e.toString());
+        }
+    }
+}

Diff for: src/io/github/mcaliman/patterns/chain/of/responsibility/example1/BHandler.java

@@ -0,0 +1,65 @@
+/*
+ The MIT License (MIT)
+
+ Copyright (c) 2015 Massimo Caliman
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all
+ copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ SOFTWARE.
+ */
+package io.github.mcaliman.patterns.chain.of.responsibility.example1;
+
+/**
+ * Se un handler giusto viene trovato ci si ferma nella catena e non si
+ * prosegue.
+ * <p>
+ * Chain seq. stop iff match property.
+ *
+ * @author Massimo Caliman
+ */
+public class Client {
+
+    private EntryProcessor processor;
+
+    public Client() {
+        processor = new EntryProcessor();
+        processor.addHandler(new AHandler());
+        processor.addHandler(new BHandler());
+    }
+
+    public static void main(String[] args) {
+        Entry e1 = new Entry();
+        e1.setName("Object with property A and not B");
+        e1.setPropertyA(true);
+        e1.setPropertyB(false);
+
+        Entry e2 = new Entry();
+        e2.setName("Object with property B and not A");
+        e2.setPropertyA(false);
+        e2.setPropertyB(true);
+
+        Client client = new Client();
+        client.handle(e1);
+
+        client.handle(e2);
+
+    }
+
+    public void handle(Entry email) {
+        processor.handleRequest(email);
+    }
+}