| /* |
| * 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.FilterOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.nio.charset.Charset; |
| |
| 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.OutputStream} methods in spirit, but doesn't require output to any external stream. |
| * This class should <em>not</em> be used as a stream for an underlying logger unless it's being used as a bridge. |
| * Otherwise, infinite loops may occur! |
| * |
| * @since 2.1 |
| */ |
| public class LoggerFilterOutputStream extends FilterOutputStream { |
| private static final String FQCN = LoggerFilterOutputStream.class.getName(); |
| |
| private final ByteStreamLogger logger; |
| private final String fqcn; |
| |
| protected LoggerFilterOutputStream(final OutputStream out, final Charset charset, final ExtendedLogger logger, |
| final String fqcn, final Level level, final Marker marker) { |
| super(out); |
| this.logger = new ByteStreamLogger(logger, level, marker, charset); |
| this.fqcn = fqcn == null ? FQCN : fqcn; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| this.out.close(); |
| this.logger.close(this.fqcn); |
| } |
| |
| @Override |
| public void flush() throws IOException { |
| this.out.flush(); |
| } |
| |
| @Override |
| public String toString() { |
| return LoggerFilterOutputStream.class.getSimpleName() + "{stream=" + this.out + '}'; |
| } |
| |
| @Override |
| public void write(final byte[] b) throws IOException { |
| this.out.write(b); |
| this.logger.put(this.fqcn, b, 0, b.length); |
| } |
| |
| @Override |
| public void write(final byte[] b, final int off, final int len) throws IOException { |
| this.out.write(b, off, len); |
| this.logger.put(this.fqcn, b, off, len); |
| } |
| |
| @Override |
| public void write(final int b) throws IOException { |
| this.out.write(b); |
| this.logger.put(this.fqcn, (byte) (b & 0xFF)); |
| } |
| } |