From 0783f40ba5cc0f33b3871ffe44d95a0604741b02 Mon Sep 17 00:00:00 2001
From: Cristian Maglie <c.maglie@bug.st>
Date: Fri, 16 May 2014 01:07:56 +0200
Subject: [PATCH] Added VersionComparator to be used for comparing versions
 numbers (WIP)

---
 .../contributions/ContributedPackage.java     | 22 ++++++++++
 .../contributions/ContributionsIndex.java     |  7 ++++
 .../contributions/VersionComparator.java      | 41 +++++++++++++++++++
 3 files changed, 70 insertions(+)
 create mode 100644 arduino-core/src/cc/arduino/packages/contributions/VersionComparator.java

diff --git a/arduino-core/src/cc/arduino/packages/contributions/ContributedPackage.java b/arduino-core/src/cc/arduino/packages/contributions/ContributedPackage.java
index 2ca938ba3..14cab49f1 100644
--- a/arduino-core/src/cc/arduino/packages/contributions/ContributedPackage.java
+++ b/arduino-core/src/cc/arduino/packages/contributions/ContributedPackage.java
@@ -53,6 +53,28 @@ public abstract class ContributedPackage {
     return null;
   }
 
+  /**
+   * Return the latest version available of a platform
+   * 
+   * @param platform
+   * @return
+   */
+  public ContributedPlatform findPlatform(String platform) {
+    VersionComparator version = new VersionComparator();
+    ContributedPlatform found = null;
+    for (ContributedPlatform p : getPlatforms()) {
+      if (!p.getName().equals(platform))
+        continue;
+      if (found == null) {
+        found = p;
+        continue;
+      }
+      if (version.compare(p.getVersion(), found.getVersion()) > 0)
+        found = p;
+    }
+    return found;
+  }
+
   public ContributedTool findTool(String name, String version) {
     for (ContributedTool tool : getTools()) {
       if (tool.getName().equals(name) && tool.getVersion().equals(version))
diff --git a/arduino-core/src/cc/arduino/packages/contributions/ContributionsIndex.java b/arduino-core/src/cc/arduino/packages/contributions/ContributionsIndex.java
index 8787266a6..8c6b2f51e 100644
--- a/arduino-core/src/cc/arduino/packages/contributions/ContributionsIndex.java
+++ b/arduino-core/src/cc/arduino/packages/contributions/ContributionsIndex.java
@@ -67,6 +67,13 @@ public abstract class ContributionsIndex {
     }
   }
 
+  public ContributedPackage getPackage(String packager) {
+    for (ContributedPackage pack : getPackages())
+      if (pack.getName().equals(packager))
+        return pack;
+    return null;
+  }
+
   @Override
   public String toString() {
     String res = "";
diff --git a/arduino-core/src/cc/arduino/packages/contributions/VersionComparator.java b/arduino-core/src/cc/arduino/packages/contributions/VersionComparator.java
new file mode 100644
index 000000000..d048a44eb
--- /dev/null
+++ b/arduino-core/src/cc/arduino/packages/contributions/VersionComparator.java
@@ -0,0 +1,41 @@
+/*
+ * This file is part of Arduino.
+ *
+ * Copyright 2014 Arduino LLC (http://www.arduino.cc/)
+ *
+ * Arduino is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ */
+package cc.arduino.packages.contributions;
+
+import java.util.Comparator;
+
+public class VersionComparator implements Comparator<String> {
+
+  @Override
+  public int compare(String o1, String o2) {
+    // TODO: do a proper version compare
+    return o1.compareTo(o2);
+  }
+
+}