Changeset 16445 in josm for trunk/src/org/openstreetmap/josm/data/validation/TestError.java

Timestamp:

2020-05-17T17:02:28+02:00 (4 years ago)

Author:

simon04

Message:

see #19251 - Java 8: use Stream

File:

• trunk/src/org/openstreetmap/josm/data/validation/TestError.java (modified) (3 diffs)

trunk/src/org/openstreetmap/josm/data/validation/TestError.java

@@ -13 +13 @@
 import java.util.TreeSet;
 import java.util.function.Supplier;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 import org.openstreetmap.josm.command.Command;
@@ -281 +283 @@
 
     /**
+     * Gets all primitives of the given type affected by this error
+     * @param type restrict primitives to subclasses
+     * @param <T> type of primitives
+     * @return the primitives as Stream
+     */
+    public final <T extends OsmPrimitive> Stream<T> primitives(Class<T> type) {
+        return primitives.stream()
+                .filter(type::isInstance)
+                .map(type::cast);
+    }
+
+    /**
      * Gets the severity of this error
      * @return the severity of this error
@@ -308 +322 @@
             strings.add(type + '_' + o.getId());
         }
-        StringBuilder ignorestring = new StringBuilder(getIgnoreSubGroup());
-        for (String o : strings) {
-            ignorestring.append(':').append(o);
-        }
-        return ignorestring.toString();
+        return strings.stream().map(o -> ':' + o).collect(Collectors.joining("", getIgnoreSubGroup(), ""));
     }