Libraries in unknown categories get set as Uncategorized. Fixes arduino#3732

Author: Federico Fissore

arduino-core/src/cc/arduino/Constants.java

@@ -65,6 +65,9 @@ public class Constants {
   public static final String LIBRARY_INDEX_URL;
   public static final String LIBRARY_INDEX_URL_GZ;
 
+  public static final List<String> LIBRARY_CATEGORIES = Arrays.asList("Display", "Communication", "Signal Input/Output", "Sensors", "Device Control", "Timing", "Data Storage", "Data Processing", "Other", "Uncategorized");
+  public static final List<String> LIBRARY_MANDATORY_PROPERTIES = Arrays.asList("name", "version", "author", "maintainer", "sentence", "paragraph", "url");
+
   static {
     String extenalPackageIndexUrl = System.getProperty("PACKAGE_INDEX_URL");
     if (extenalPackageIndexUrl != null && !"".equals(extenalPackageIndexUrl)) {

arduino-core/src/cc/arduino/contributions/libraries/LibrariesIndexer.java

@@ -29,6 +29,7 @@
 
 package cc.arduino.contributions.libraries;
 
+import cc.arduino.Constants;
 import cc.arduino.contributions.libraries.filters.LibraryInstalledInsideCore;
 import cc.arduino.contributions.libraries.filters.TypePredicate;
 import cc.arduino.contributions.packages.ContributedPlatform;
@@ -92,7 +93,7 @@ private void parseIndex(File indexFile) throws IOException {
 
       index.getLibraries()
         .stream()
-        .filter(library -> library.getCategory() == null || "".equals(library.getCategory()))
+        .filter(library -> library.getCategory() == null || "".equals(library.getCategory()) || !Constants.LIBRARY_CATEGORIES.contains(library.getCategory()))
         .forEach(library -> library.setCategory("Uncategorized"));
     } finally {
       IOUtils.closeQuietly(indexIn);

arduino-core/src/processing/app/packages/UserLibrary.java

@@ -39,7 +39,6 @@
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.LinkedList;
 import java.util.List;
 
@@ -59,15 +58,6 @@ public class UserLibrary extends ContributedLibrary {
   private List<String> declaredTypes;
   private boolean onGoingDevelopment;
 
-  private static final List<String> MANDATORY_PROPERTIES = Arrays
-    .asList("name", "version", "author", "maintainer",
-      "sentence", "paragraph", "url");
-
-  private static final List<String> CATEGORIES = Arrays.asList(
-    "Display", "Communication", "Signal Input/Output", "Sensors",
-    "Device Control", "Timing", "Data Storage", "Data Processing", "Other",
-    "Uncategorized");
-
   public static UserLibrary create(File libFolder) throws IOException {
     // Parse metadata
     File propertiesFile = new File(libFolder, "library.properties");
@@ -90,7 +80,7 @@ public static UserLibrary create(File libFolder) throws IOException {
       throw new IOException("'arch' folder is no longer supported! See http://goo.gl/gfFJzU for more information");
 
     // Check mandatory properties
-    for (String p : MANDATORY_PROPERTIES)
+    for (String p : Constants.LIBRARY_MANDATORY_PROPERTIES)
       if (!properties.containsKey(p))
         throw new IOException("Missing '" + p + "' from library");
 
@@ -135,7 +125,7 @@ public static UserLibrary create(File libFolder) throws IOException {
     String category = properties.get("category");
     if (category == null)
       category = "Uncategorized";
-    if (!CATEGORIES.contains(category)) {
+    if (!Constants.LIBRARY_CATEGORIES.contains(category)) {
       System.out.println("WARNING: Category '" + category + "' in library " + properties.get("name") + " is not valid. Setting to 'Uncategorized'");
       category = "Uncategorized";
     }
@@ -222,10 +212,6 @@ public String getLicense() {
     return license;
   }
 
-  public static List<String> getCategories() {
-    return CATEGORIES;
-  }
-
   @Override
   public void setCategory(String category) {
     this.category = category;