duke@1: /*
jjg@1483: * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
duke@1: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1: *
duke@1: * This code is free software; you can redistribute it and/or modify it
duke@1: * under the terms of the GNU General Public License version 2 only, as
ohair@554: * published by the Free Software Foundation. Oracle designates this
duke@1: * particular file as subject to the "Classpath" exception as provided
ohair@554: * by Oracle in the LICENSE file that accompanied this code.
duke@1: *
duke@1: * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1: * version 2 for more details (a copy is included in the LICENSE file that
duke@1: * accompanied this code).
duke@1: *
duke@1: * You should have received a copy of the GNU General Public License version
duke@1: * 2 along with this work; if not, write to the Free Software Foundation,
duke@1: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1: *
ohair@554: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554: * or visit www.oracle.com if you need additional information or have any
ohair@554: * questions.
duke@1: */
duke@1:
duke@1: package com.sun.tools.javadoc;
duke@1:
jjg@1411: import java.io.PrintWriter;
jjg@1411: import java.util.Locale;
duke@1:
duke@1: import com.sun.javadoc.*;
duke@1: import com.sun.tools.javac.util.Context;
jjg@1411: import com.sun.tools.javac.util.JCDiagnostic;
jjg@1413: import com.sun.tools.javac.util.JCDiagnostic.DiagnosticType;
jjg@1411: import com.sun.tools.javac.util.JavacMessages;
jjg@1357: import com.sun.tools.javac.util.Log;
duke@1:
duke@1: /**
duke@1: * Utility for integrating with javadoc tools and for localization.
duke@1: * Handle Resources. Access to error and warning counts.
duke@1: * Message formatting.
duke@1: *
duke@1: * Also provides implementation for DocErrorReporter.
duke@1: *
jjg@1359: *
This is NOT part of any supported API.
jjg@1359: * If you write code that depends on this, you do so at your own risk.
jjg@1359: * This code and its internal interfaces are subject to change or
jjg@1359: * deletion without notice.
jjg@1359: *
duke@1: * @see java.util.ResourceBundle
duke@1: * @see java.text.MessageFormat
duke@1: * @author Neal Gafter (rewrite)
duke@1: */
duke@1: public class Messager extends Log implements DocErrorReporter {
jjg@1411: public static final SourcePosition NOPOS = null;
duke@1:
duke@1: /** Get the current messager, which is also the compiler log. */
duke@1: public static Messager instance0(Context context) {
duke@1: Log instance = context.get(logKey);
duke@1: if (instance == null || !(instance instanceof Messager))
duke@1: throw new InternalError("no messager instance!");
duke@1: return (Messager)instance;
duke@1: }
duke@1:
jjg@893: public static void preRegister(Context context,
duke@1: final String programName) {
duke@1: context.put(logKey, new Context.Factory() {
jjg@893: public Log make(Context c) {
jjg@893: return new Messager(c,
duke@1: programName);
duke@1: }
duke@1: });
duke@1: }
jjg@893: public static void preRegister(Context context,
duke@1: final String programName,
duke@1: final PrintWriter errWriter,
duke@1: final PrintWriter warnWriter,
duke@1: final PrintWriter noticeWriter) {
duke@1: context.put(logKey, new Context.Factory() {
jjg@893: public Log make(Context c) {
jjg@893: return new Messager(c,
duke@1: programName,
duke@1: errWriter,
duke@1: warnWriter,
duke@1: noticeWriter);
duke@1: }
duke@1: });
duke@1: }
duke@1:
duke@1: public class ExitJavadoc extends Error {
duke@1: private static final long serialVersionUID = 0;
duke@1: }
duke@1:
jjg@584: final String programName;
duke@1:
jjg@1411: private Locale locale;
jjg@1411: private final JavacMessages messages;
jjg@1411: private final JCDiagnostic.Factory javadocDiags;
duke@1:
duke@1: /** The default writer for diagnostics
duke@1: */
duke@1: static final PrintWriter defaultErrWriter = new PrintWriter(System.err);
duke@1: static final PrintWriter defaultWarnWriter = new PrintWriter(System.err);
duke@1: static final PrintWriter defaultNoticeWriter = new PrintWriter(System.out);
duke@1:
duke@1: /**
duke@1: * Constructor
duke@1: * @param programName Name of the program (for error messages).
duke@1: */
duke@1: protected Messager(Context context, String programName) {
duke@1: this(context, programName, defaultErrWriter, defaultWarnWriter, defaultNoticeWriter);
duke@1: }
duke@1:
duke@1: /**
duke@1: * Constructor
duke@1: * @param programName Name of the program (for error messages).
duke@1: * @param errWriter Stream for error messages
duke@1: * @param warnWriter Stream for warnings
duke@1: * @param noticeWriter Stream for other messages
duke@1: */
jjg@198: @SuppressWarnings("deprecation")
duke@1: protected Messager(Context context,
duke@1: String programName,
duke@1: PrintWriter errWriter,
duke@1: PrintWriter warnWriter,
duke@1: PrintWriter noticeWriter) {
duke@1: super(context, errWriter, warnWriter, noticeWriter);
jjg@1411: messages = JavacMessages.instance(context);
jjg@1411: messages.add("com.sun.tools.javadoc.resources.javadoc");
jjg@1411: javadocDiags = new JCDiagnostic.Factory(messages, "javadoc");
duke@1: this.programName = programName;
duke@1: }
duke@1:
jjg@1411: public void setLocale(Locale locale) {
jjg@1411: this.locale = locale;
duke@1: }
duke@1:
duke@1: /**
duke@1: * get and format message string from resource
duke@1: *
duke@1: * @param key selects message from resource
jjg@1411: * @param args arguments for the message
duke@1: */
jjg@1411: String getText(String key, Object... args) {
jjg@1411: return messages.getLocalizedString(locale, key, args);
duke@1: }
duke@1:
duke@1: /**
duke@1: * Print error message, increment error count.
duke@1: * Part of DocErrorReporter.
duke@1: *
duke@1: * @param msg message to print
duke@1: */
duke@1: public void printError(String msg) {
duke@1: printError(null, msg);
duke@1: }
duke@1:
duke@1: /**
duke@1: * Print error message, increment error count.
duke@1: * Part of DocErrorReporter.
duke@1: *
duke@1: * @param pos the position where the error occurs
duke@1: * @param msg message to print
duke@1: */
duke@1: public void printError(SourcePosition pos, String msg) {
jjg@1413: if (diagListener != null) {
jjg@1413: report(DiagnosticType.ERROR, pos, msg);
jjg@1413: return;
jjg@1413: }
jjg@1413:
jjg@584: if (nerrors < MaxErrors) {
jjg@584: String prefix = (pos == null) ? programName : pos.toString();
jjg@584: errWriter.println(prefix + ": " + getText("javadoc.error") + " - " + msg);
jjg@584: errWriter.flush();
jjg@584: prompt();
jjg@584: nerrors++;
jjg@584: }
duke@1: }
duke@1:
duke@1: /**
duke@1: * Print warning message, increment warning count.
duke@1: * Part of DocErrorReporter.
duke@1: *
duke@1: * @param msg message to print
duke@1: */
duke@1: public void printWarning(String msg) {
duke@1: printWarning(null, msg);
duke@1: }
duke@1:
duke@1: /**
duke@1: * Print warning message, increment warning count.
duke@1: * Part of DocErrorReporter.
duke@1: *
duke@1: * @param pos the position where the error occurs
duke@1: * @param msg message to print
duke@1: */
duke@1: public void printWarning(SourcePosition pos, String msg) {
jjg@1413: if (diagListener != null) {
jjg@1413: report(DiagnosticType.WARNING, pos, msg);
jjg@1413: return;
jjg@1413: }
jjg@1413:
jjg@584: if (nwarnings < MaxWarnings) {
jjg@584: String prefix = (pos == null) ? programName : pos.toString();
jjg@584: warnWriter.println(prefix + ": " + getText("javadoc.warning") +" - " + msg);
jjg@584: warnWriter.flush();
jjg@584: nwarnings++;
jjg@584: }
duke@1: }
duke@1:
duke@1: /**
duke@1: * Print a message.
duke@1: * Part of DocErrorReporter.
duke@1: *
duke@1: * @param msg message to print
duke@1: */
duke@1: public void printNotice(String msg) {
duke@1: printNotice(null, msg);
duke@1: }
duke@1:
duke@1: /**
duke@1: * Print a message.
duke@1: * Part of DocErrorReporter.
duke@1: *
duke@1: * @param pos the position where the error occurs
duke@1: * @param msg message to print
duke@1: */
duke@1: public void printNotice(SourcePosition pos, String msg) {
jjg@1413: if (diagListener != null) {
jjg@1413: report(DiagnosticType.NOTE, pos, msg);
jjg@1413: return;
jjg@1413: }
jjg@1413:
duke@1: if (pos == null)
duke@1: noticeWriter.println(msg);
duke@1: else
duke@1: noticeWriter.println(pos + ": " + msg);
duke@1: noticeWriter.flush();
duke@1: }
duke@1:
duke@1: /**
duke@1: * Print error message, increment error count.
duke@1: *
duke@1: * @param key selects message from resource
duke@1: */
jjg@1411: public void error(SourcePosition pos, String key, Object... args) {
jjg@1411: printError(pos, getText(key, args));
duke@1: }
duke@1:
duke@1: /**
duke@1: * Print warning message, increment warning count.
duke@1: *
duke@1: * @param key selects message from resource
duke@1: */
jjg@1411: public void warning(SourcePosition pos, String key, Object... args) {
jjg@1411: printWarning(pos, getText(key, args));
duke@1: }
duke@1:
duke@1: /**
duke@1: * Print a message.
duke@1: *
duke@1: * @param key selects message from resource
duke@1: */
jjg@1411: public void notice(String key, Object... args) {
jjg@1411: printNotice(getText(key, args));
duke@1: }
duke@1:
duke@1: /**
duke@1: * Return total number of errors, including those recorded
duke@1: * in the compilation log.
duke@1: */
duke@1: public int nerrors() { return nerrors; }
duke@1:
duke@1: /**
duke@1: * Return total number of warnings, including those recorded
duke@1: * in the compilation log.
duke@1: */
duke@1: public int nwarnings() { return nwarnings; }
duke@1:
duke@1: /**
duke@1: * Print exit message.
duke@1: */
duke@1: public void exitNotice() {
duke@1: if (nerrors > 0) {
duke@1: notice((nerrors > 1) ? "main.errors" : "main.error",
duke@1: "" + nerrors);
duke@1: }
duke@1: if (nwarnings > 0) {
duke@1: notice((nwarnings > 1) ? "main.warnings" : "main.warning",
duke@1: "" + nwarnings);
duke@1: }
duke@1: }
duke@1:
duke@1: /**
duke@1: * Force program exit, e.g., from a fatal error.
duke@1: *
duke@1: * TODO: This method does not really belong here.
duke@1: */
duke@1: public void exit() {
duke@1: throw new ExitJavadoc();
duke@1: }
jjg@1413:
jjg@1413: private void report(DiagnosticType type, SourcePosition pos, String msg) {
jjg@1413: switch (type) {
jjg@1413: case ERROR:
jjg@1413: case WARNING:
jjg@1413: Object prefix = (pos == null) ? programName : pos;
jjg@1413: report(javadocDiags.create(type, null, null, "msg", prefix, msg));
jjg@1413: break;
jjg@1413:
jjg@1413: case NOTE:
jjg@1413: String key = (pos == null) ? "msg" : "pos.msg";
jjg@1413: report(javadocDiags.create(type, null, null, key, pos, msg));
jjg@1413: break;
jjg@1413:
jjg@1413: default:
jjg@1413: throw new IllegalArgumentException(type.toString());
jjg@1413: }
jjg@1413: }
duke@1: }