// Copyright 2016 The Bazel 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 com.google.testing.junit.runner.junit4; import com.google.testing.junit.runner.internal.SignalHandlers; import com.google.testing.junit.runner.internal.junit4.JUnit4TestStackTraceListener; import com.google.testing.junit.runner.util.Factory; import com.google.testing.junit.runner.util.Supplier; import java.io.PrintStream; /** * A factory that supplies {@link JUnit4TestStackTraceListener}. */ public final class JUnit4TestStackTraceListenerFactory implements Factory<JUnit4TestStackTraceListener> { private final Supplier<SignalHandlers> signalHandlersSupplier; private final Supplier<PrintStream> errPrintStreamSupplier; public JUnit4TestStackTraceListenerFactory( Supplier<SignalHandlers> signalHandlersSupplier, Supplier<PrintStream> errPrintStreamSupplier) { assert signalHandlersSupplier != null; this.signalHandlersSupplier = signalHandlersSupplier; assert errPrintStreamSupplier != null; this.errPrintStreamSupplier = errPrintStreamSupplier; } @Override public JUnit4TestStackTraceListener get() { return new JUnit4TestStackTraceListener( signalHandlersSupplier.get(), errPrintStreamSupplier.get()); } public static Factory<JUnit4TestStackTraceListener> create( Supplier<SignalHandlers> signalHandlersSupplier, Supplier<PrintStream> errPrintStreamSupplier) { return new JUnit4TestStackTraceListenerFactory(signalHandlersSupplier, errPrintStreamSupplier); } }