| /* |
| * 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.util; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.base.Throwables; |
| |
| import java.io.PrintStream; |
| |
| public class Console { |
| |
| private final Verbosity verbosity; |
| private final DirtyPrintStreamDecorator stdOut; |
| private final DirtyPrintStreamDecorator stdErr; |
| private final Ansi ansi; |
| |
| public Console(Verbosity verbosity, |
| PrintStream stdOut, |
| PrintStream stdErr, |
| Ansi ansi) { |
| this.verbosity = verbosity; |
| this.stdOut = new DirtyPrintStreamDecorator(stdOut); |
| this.stdErr = new DirtyPrintStreamDecorator(stdErr); |
| this.ansi = ansi; |
| } |
| |
| public Verbosity getVerbosity() { |
| return verbosity; |
| } |
| |
| public Ansi getAnsi() { |
| return ansi; |
| } |
| |
| public DirtyPrintStreamDecorator getStdOut() { |
| return stdOut; |
| } |
| |
| public DirtyPrintStreamDecorator getStdErr() { |
| return stdErr; |
| } |
| |
| /** |
| * @param successMessage single line of text without a trailing newline. If stdErr is attached to |
| * a terminal, then this will append an ANSI reset escape sequence followed by a newline. |
| */ |
| public void printSuccess(String successMessage) { |
| Preconditions.checkArgument(!successMessage.endsWith("\n"), |
| "Trailing newline will be added by this method"); |
| ansi.printHighlightedSuccessText(stdErr, successMessage); |
| stdErr.print('\n'); |
| } |
| |
| /** |
| * Prints an error message to stderr that will be highlighted in red if stderr is a tty. |
| */ |
| public void printErrorText(String message) { |
| stdErr.println(ansi.asErrorText(message)); |
| } |
| |
| /** |
| * Prints the root cause of the {@link Throwable} with its stacktrace as a build failure. |
| * @see #printBuildFailure(String) |
| */ |
| public void printBuildFailureWithStacktrace(Throwable t) { |
| t.printStackTrace(stdErr); |
| printBuildFailure("Unexpected internal error (if you are using buckd, you should restart it)."); |
| } |
| |
| /** |
| * Prints the message of the root cause of the {@link Throwable} as a build failure. |
| * @see #printBuildFailure(String) |
| */ |
| public void printBuildFailureWithoutStacktrace(Throwable t) { |
| printBuildFailure(Throwables.getRootCause(t).getMessage()); |
| } |
| |
| /** |
| * Prints an error message prefixed with {@code BUILD FAILED} to stderr that will be highlighted |
| * in red if stderr is a tty. |
| */ |
| public void printBuildFailure(String failureMessage) { |
| ansi.printlnHighlightedFailureText(stdErr, String.format("BUILD FAILED: %s", failureMessage)); |
| } |
| } |