degrees + fix for tests

src/main/java/org/solovyev/common/AbstractIntervalMapper.java

@@ -6,7 +6,6 @@
 
 package org.solovyev.common;
 
-import android.util.Log;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.solovyev.common.utils.*;
@@ -35,13 +34,16 @@ public abstract class AbstractIntervalMapper<T> implements Mapper<Interval<T>> {
 
 	@Override
 	public Interval<T> parseValue(@Nullable String s) throws IllegalArgumentException {
-		Log.d(AbstractIntervalMapper.class.getName(), "Parsing: " + s);
+		//Log.d(AbstractIntervalMapper.class.getName(), "Parsing: " + s);
 		final List<T> list = CollectionsUtils.split(s, ";", getParser());
 
 		assert list.size() == 2;
-		return new IntervalImpl<T>(list.get(0), list.get(1));
+		return newInstance(list.get(0), list.get(1));
 	}
 
+	@NotNull
+	protected abstract Interval<T> newInstance(@Nullable T left, @Nullable T right);
+
 	@NotNull
 	protected abstract Parser<T> getParser();
 }

src/main/java/org/solovyev/common/GenericIntervalMapper.java

@@ -16,7 +16,7 @@ import org.solovyev.common.utils.Parser;
  * Date: 9/26/11
  * Time: 10:45 PM
  */
-public class GenericIntervalMapper<T> extends AbstractIntervalMapper<T> {
+public abstract class GenericIntervalMapper<T> extends AbstractIntervalMapper<T> {
 
 	@NotNull
 	private final Mapper<T> mapper;
@@ -36,4 +36,9 @@ public class GenericIntervalMapper<T> extends AbstractIntervalMapper<T> {
 	protected Parser<T> getParser() {
 		return mapper;
 	}
+
+	@NotNull
+	public Mapper<T> getMapper() {
+		return mapper;
+	}
 }

src/main/java/org/solovyev/common/NumberIntervalMapper.java

@@ -7,6 +7,9 @@
 package org.solovyev.common;
 
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.solovyev.common.utils.Interval;
+import org.solovyev.common.utils.NumberInterval;
 
 /**
 * User: serso
@@ -18,4 +21,10 @@ public class NumberIntervalMapper<T extends Number> extends GenericIntervalMappe
 	public NumberIntervalMapper(@NotNull Class<T> clazz) {
 		super(new NumberMapper<T>(clazz));
 	}
+
+	@NotNull
+	@Override
+	protected Interval<T> newInstance(@Nullable T left, @Nullable T right) {
+		return new NumberInterval<T>(left, right);
+	}
 }