1917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul/* 2917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Copyright (C) 2007 The Android Open Source Project 3917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * 4917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Licensed under the Apache License, Version 2.0 (the "License"); 5917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * you may not use this file except in compliance with the License. 6917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * You may obtain a copy of the License at 7917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * 8917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * http://www.apache.org/licenses/LICENSE-2.0 9917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * 10917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Unless required by applicable law or agreed to in writing, software 11917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * distributed under the License is distributed on an "AS IS" BASIS, 12917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * See the License for the specific language governing permissions and 14917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * limitations under the License. 15917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul */ 16917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 17917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgulpackage com.android.dexgen.util; 18917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 19917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgulimport java.io.PrintWriter; 20917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgulimport java.io.Writer; 21917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 22917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul/** 23917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Utilities for dealing with {@code Writer}s. 24917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul */ 25917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgulpublic final class Writers { 26917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** 27917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * This class is uninstantiable. 28917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul */ 29917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul private Writers() { 30917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul // This space intentionally left blank. 31917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 32917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 33917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul /** 34917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * Makes a {@code PrintWriter} for the given {@code Writer}, 35917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * returning the given writer if it already happens to be the right 36917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * class. 37917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * 38917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * @param writer {@code non-null;} writer to (possibly) wrap 39917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul * @return {@code non-null;} an appropriate instance 40917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul */ 41917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul public static PrintWriter printWriterFor(Writer writer) { 42917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul if (writer instanceof PrintWriter) { 43917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul return (PrintWriter) writer; 44917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 45917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul 46917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul return new PrintWriter(writer); 47917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul } 48917cb222329ee8c035c3ffaf947e4265761b9367Piotr Gurgul} 49