Java tutorial
/* * Copyright 2014 Dan Haywood * * 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 org.isisaddons.wicket.wizard.fixture.scripts.todo; import com.google.common.base.Strings; public class DeleteToDoItemsFor extends ToDoItemsDelete { public DeleteToDoItemsFor() { super(null); withDiscoverability(Discoverability.DISCOVERABLE); } @Override public String validateRun(final String parameters) { return Strings.isNullOrEmpty(parameters) ? "Specify the owner of the ToDoItems to be deleted" : null; } }