Java tutorial
/* * Copyright 2012-present Facebook, Inc. * * 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 com.facebook.buck.parser; import com.facebook.buck.rules.AbstractBuildRuleBuilder; import com.facebook.buck.rules.LabelsAttributeBuilder; import com.google.common.collect.ImmutableSet; import java.util.List; public abstract class AbstractTestRuleFactory<T extends AbstractBuildRuleBuilder<?>> extends AbstractBuildRuleFactory<T> { @Override public T newInstance(BuildRuleFactoryParams params) throws NoSuchBuildTargetException { T builder = super.newInstance(params); // labels if (builder instanceof LabelsAttributeBuilder) { List<String> labels = params.getOptionalListAttribute("labels"); ((LabelsAttributeBuilder) builder).setLabels(ImmutableSet.copyOf(labels)); } return builder; } }