/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 org.apache.logging.log4j.io; import java.io.PrintWriter; import java.io.Writer; import java.util.Locale; import org.apache.logging.log4j.Level; import org.apache.logging.log4j.Marker; import org.apache.logging.log4j.spi.ExtendedLogger; /** * Logs each line written to a pre-defined level. Can also be configured with a Marker. This class provides an interface * that follows the {@link java.io.PrintWriter} methods in spirit, but doesn't require output to any external writer. * <p> * Integration with JDBC logging can be as simple as: * </p> * <pre> * PrintWriter pw = IoBuilder.forLogger().setLevel(Level.DEBUG).buildPrintWriter(); * DriverManager.setLogWriter(pw); * DataSource ds = ... * ds.setLogWriter(pw); * </pre> * * @since 2.1 */ // TODO // All method implementations that call only super are apparently required for the unit tests to pass. // Not sure if this a bug in the tests or a feature. public class LoggerPrintWriter extends PrintWriter { private static final String FQCN = LoggerPrintWriter.class.getName(); protected LoggerPrintWriter(final ExtendedLogger logger, final boolean autoFlush, final String fqcn, final Level level, final Marker marker) { super(new LoggerWriter(logger, fqcn == null ? FQCN : fqcn, level, marker), autoFlush); } protected LoggerPrintWriter(final Writer writer, final boolean autoFlush, final ExtendedLogger logger, final String fqcn, final Level level, final Marker marker) { super(new LoggerFilterWriter(writer, logger, fqcn == null ? FQCN : fqcn, level, marker), autoFlush); } @Override public LoggerPrintWriter append(final char c) { super.append(c); return this; } @Override public LoggerPrintWriter append(final CharSequence csq) { super.append(csq); return this; } @Override public LoggerPrintWriter append(final CharSequence csq, final int start, final int end) { super.append(csq, start, end); return this; } @Override public boolean checkError() { return super.checkError(); } @Override public void close() { super.close(); } @Override public void flush() { super.flush(); } @Override public LoggerPrintWriter format(final Locale l, final String format, final Object... args) { super.format(l, format, args); return this; } @Override public LoggerPrintWriter format(final String format, final Object... args) { super.format(format, args); return this; } @Override public void print(final boolean b) { super.print(b); } @Override public void print(final char c) { super.print(c); } @Override public void print(final char[] s) { super.print(s); } @Override public void print(final double d) { super.print(d); } @Override public void print(final float f) { super.print(f); } @Override public void print(final int i) { super.print(i); } @Override public void print(final long l) { super.print(l); } @Override public void print(final Object obj) { super.print(obj); } @Override public void print(final String s) { super.print(s); } @Override public LoggerPrintWriter printf(final Locale l, final String format, final Object... args) { super.printf(l, format, args); return this; } @Override public LoggerPrintWriter printf(final String format, final Object... args) { super.printf(format, args); return this; } @Override public void println() { super.println(); } @Override public void println(final boolean x) { super.println(x); } @Override public void println(final char x) { super.println(x); } @Override public void println(final char[] x) { super.println(x); } @Override public void println(final double x) { super.println(x); } @Override public void println(final float x) { super.println(x); } @Override public void println(final int x) { super.println(x); } @Override public void println(final long x) { super.println(x); } @Override public void println(final Object x) { super.println(x); } @Override public void println(final String x) { super.println(x); } @Override public String toString() { return LoggerPrintWriter.class.getSimpleName() + "{stream=" + this.out + '}'; } @Override public void write(final char[] buf) { super.write(buf); } @Override public void write(final char[] buf, final int off, final int len) { super.write(buf, off, len); } @Override public void write(final int c) { super.write(c); } @Override public void write(final String s) { super.write(s); } @Override public void write(final String s, final int off, final int len) { super.write(s, off, len); } }