Change lrpTldStates to Interval

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=135957698

java/google/registry/tools/params/IntervalParameter.java

@@ -0,0 +1,41 @@
+// Copyright 2016 The Nomulus Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package google.registry.tools.params;
+
+import org.joda.time.DateTimeZone;
+import org.joda.time.Interval;
+
+/** Interval CLI parameter converter/validator. */
+public final class IntervalParameter extends ParameterConverterValidator<Interval> {
+
+  public IntervalParameter() {
+    super("not an ISO-8601 interval (e.g. 2004-06-09T12:30:00Z/2004-07-10T13:30:00Z)");
+  }
+
+  @Override
+  public Interval convert(String value) {
+    // Interval.parse(null) creates an interval with both start and end times set to now.
+    // Do something a little more reasonable.
+    if (value == null) {
+      throw new NullPointerException();
+    }
+    Interval interval = Interval.parse(value);
+    // Interval does not have a way to set the time zone, so create a new interval with the
+    // start and end times of the parsed interval converted to UTC.
+    return new Interval(
+        interval.getStart().withZone(DateTimeZone.UTC),
+        interval.getEnd().withZone(DateTimeZone.UTC));
+  }
+}