Sorting and updating improvement #1727

Author: jan

io.sloeber.core/src/io/sloeber/arduinoFramework/api/IArduinoLibrary.java

@@ -50,4 +50,6 @@ public abstract class IArduinoLibrary  extends Node implements  Comparable<IArdu
 
 	public abstract IPath getInstallPath();
 
+	public abstract boolean canUpdate();
+
 }

io.sloeber.core/src/io/sloeber/arduinoFramework/internal/ArduinoLibrary.java

@@ -139,7 +139,11 @@ public boolean isInstalled() {
 
     @Override
     public int compareTo(IArduinoLibrary other) {
+    	if(other==null) {
+    		return 1;
+    	}
         return getID().compareTo(other.getID());
+
     }
 
     //Below are the Node overrides
@@ -173,4 +177,12 @@ public ArduinoLibraryVersion getVersion(VersionNumber versionNumber) {
         return versions.get(versionNumber);
     }
 
+	@Override
+	public boolean canUpdate() {
+		if(!isInstalled()) {
+			return false;
+		}
+		return !getInstalledVersion().equals(getNewestVersion());
+	}
+
 }

io.sloeber.core/src/io/sloeber/core/internal/ArduinoHardwareLibrary.java

@@ -2,6 +2,7 @@
 
 import static io.sloeber.core.api.Const.*;
 
+import java.util.ArrayList;
 import java.util.List;
 
 import org.eclipse.core.runtime.IPath;
@@ -84,8 +85,16 @@ public boolean equals(IArduinoLibraryVersion other) {
 	}
 
 	@Override
-	public int compareTo(IArduinoLibraryVersion o) {
-		return 0;
+	public boolean equals(Object other) {
+		if(other instanceof IArduinoLibraryVersion) {
+			return equals((IArduinoLibraryVersion) other);
+		}
+		return false;
+	}
+
+	@Override
+	public int compareTo(IArduinoLibraryVersion other) {
+		return myFQN.toPortableString().compareTo(other.getFQN().toPortableString());
 	}
 
 	@Override
@@ -105,7 +114,7 @@ public boolean isInstalled() {
 
 	@Override
 	public List<String> getArchitectures() {
-		return null;
+		return new ArrayList<>();
 	}
 
 	@Override
@@ -125,7 +134,6 @@ public String getMaintainer() {
 
 	@Override
 	public String getAuthor() {
-		// TODO Auto-generated method stub
 		return "Author is board provider"; //$NON-NLS-1$
 	}