Filter out /dev/cu* ports, can be re-enabled manually adding "serial.ports.showall=true" into preferences.txt file

Closes arduino#2624

Author: Federico Fissore

app/src/processing/app/Editor.java

@@ -1000,6 +1000,8 @@ protected void populatePortMenu() {
 
     List<BoardPort> ports = Base.getDiscoveryManager().discovery();
 
+    ports = Base.getPlatform().filterPorts(ports, Preferences.getBoolean("serial.ports.showall"));
+
     Collections.sort(ports, new Comparator<BoardPort>() {
       @Override
       public int compare(BoardPort o1, BoardPort o2) {

arduino-core/src/processing/app/Platform.java

@@ -30,6 +30,7 @@
 
 import javax.swing.UIManager;
 
+import cc.arduino.packages.BoardPort;
 import com.sun.jna.Library;
 import com.sun.jna.Native;
 import processing.app.debug.TargetBoard;
@@ -217,4 +218,8 @@ protected void showLauncherWarning() {
                           _("Unspecified platform, no launcher available.\nTo enable opening URLs or folders, add a \n\"launcher=/path/to/app\" line to preferences.txt"),
                           null);
   }
+
+  public List<BoardPort> filterPorts(List<BoardPort> ports, boolean aBoolean) {
+    return new LinkedList<BoardPort>(ports);
+  }
 }

arduino-core/src/processing/app/macosx/Platform.java

@@ -22,6 +22,7 @@
 
 package processing.app.macosx;
 
+import cc.arduino.packages.BoardPort;
 import com.apple.eio.FileManager;
 import org.apache.commons.exec.CommandLine;
 import org.apache.commons.exec.Executor;
@@ -35,7 +36,8 @@
 import java.io.*;
 import java.lang.reflect.Method;
 import java.net.URI;
-import java.util.Map;
+import java.util.*;
+import java.util.List;
 
 
 /**
@@ -239,4 +241,20 @@ public String preListAllCandidateDevices() {
       return super.preListAllCandidateDevices();
     }
   }
+
+  @Override
+  public java.util.List<BoardPort> filterPorts(java.util.List<BoardPort> ports, boolean showAll) {
+    if (showAll) {
+      return super.filterPorts(ports, true);
+    }
+
+    List<BoardPort> filteredPorts = new LinkedList<BoardPort>();
+    for (BoardPort port : ports) {
+      if (!port.getAddress().startsWith("/dev/cu.")) {
+        filteredPorts.add(port);
+      }
+    }
+
+    return filteredPorts;
+  }
 }