| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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 android.databinding.tool.util; |
| |
| import android.databinding.tool.processing.ScopedException; |
| |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| |
| import javax.lang.model.element.Element; |
| import javax.tools.Diagnostic; |
| import javax.tools.Diagnostic.Kind; |
| |
| public class L { |
| private static boolean sEnableDebug = false; |
| private static final Client sSystemClient = new Client() { |
| @Override |
| public void printMessage(Kind kind, String message, Element element) { |
| if (kind == Kind.ERROR) { |
| System.err.println(message); |
| } else { |
| System.out.println(message); |
| } |
| } |
| }; |
| |
| private static Client sClient = sSystemClient; |
| |
| public static void setClient(Client systemClient) { |
| sClient = systemClient; |
| } |
| |
| public static void setDebugLog(boolean enabled) { |
| sEnableDebug = enabled; |
| } |
| |
| public static void d(String msg, Object... args) { |
| if (sEnableDebug) { |
| printMessage(null, Diagnostic.Kind.NOTE, String.format(msg, args)); |
| } |
| } |
| |
| public static void d(Element element, String msg, Object... args) { |
| if (sEnableDebug) { |
| printMessage(element, Diagnostic.Kind.NOTE, String.format(msg, args)); |
| } |
| } |
| |
| public static void d(Throwable t, String msg, Object... args) { |
| if (sEnableDebug) { |
| printMessage(null, Diagnostic.Kind.NOTE, |
| String.format(msg, args) + " " + getStackTrace(t)); |
| } |
| } |
| |
| public static void w(String msg, Object... args) { |
| printMessage(null, Kind.WARNING, String.format(msg, args)); |
| } |
| |
| public static void w(Element element, String msg, Object... args) { |
| printMessage(element, Kind.WARNING, String.format(msg, args)); |
| } |
| |
| public static void w(Throwable t, String msg, Object... args) { |
| printMessage(null, Kind.WARNING, |
| String.format(msg, args) + " " + getStackTrace(t)); |
| } |
| |
| private static void tryToThrowScoped(Throwable t, String fullMessage) { |
| if (t instanceof ScopedException) { |
| ScopedException ex = (ScopedException) t; |
| if (ex.isValid()) { |
| throw ex; |
| } |
| } |
| ScopedException ex = new ScopedException(fullMessage); |
| if (ex.isValid()) { |
| throw ex; |
| } |
| } |
| |
| public static void e(String msg, Object... args) { |
| String fullMsg = String.format(msg, args); |
| tryToThrowScoped(null, fullMsg); |
| printMessage(null, Diagnostic.Kind.ERROR, fullMsg); |
| } |
| |
| public static void e(Element element, String msg, Object... args) { |
| String fullMsg = String.format(msg, args); |
| tryToThrowScoped(null, fullMsg); |
| printMessage(element, Diagnostic.Kind.ERROR, fullMsg); |
| } |
| |
| public static void e(Throwable t, String msg, Object... args) { |
| String fullMsg = String.format(msg, args); |
| tryToThrowScoped(t, fullMsg); |
| printMessage(null, Diagnostic.Kind.ERROR, |
| fullMsg + " " + getStackTrace(t)); |
| } |
| |
| private static void printMessage(Element element, Diagnostic.Kind kind, String message) { |
| sClient.printMessage(kind, message, element); |
| if (kind == Diagnostic.Kind.ERROR) { |
| throw new RuntimeException("failure, see logs for details.\n" + message); |
| } |
| } |
| |
| public static boolean isDebugEnabled() { |
| return sEnableDebug; |
| } |
| |
| public interface Client { |
| void printMessage(Diagnostic.Kind kind, String message, Element element); |
| } |
| |
| private static String getStackTrace(Throwable t) { |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter(sw); |
| try { |
| t.printStackTrace(pw); |
| } finally { |
| pw.close(); |
| } |
| return sw.toString(); |
| } |
| } |