/* * 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.cassandra; import java.io.IOException; import java.io.OutputStream; import java.io.PrintStream; import ch.qos.logback.core.OutputStreamAppender; import ch.qos.logback.core.status.Status; import ch.qos.logback.core.status.WarnStatus; public class ConsoleAppender<E> extends OutputStreamAppender<E> { private String target = "System.out"; public void setTarget(String target) { if(!(target.equals("System.out") || target.equals("System.err"))) { Status status = new WarnStatus("[" + target + "] should be one of System.out or System.err", this); status.add(new WarnStatus("Using default target System.out", this)); addStatus(status); return; } this.target = target; } public String getTarget() { return target; } @Override public void start() { @SuppressWarnings("resource") final PrintStream targetStream = target.equals("System.out") ? LogbackStatusListener.originalOut : LogbackStatusListener.originalErr; setOutputStream(new OutputStream() { @Override public void write(int b) { targetStream.write(b); } @Override public void write(byte[] b) throws IOException { targetStream.write(b); } @Override public void write(byte[] b, int off, int len) { targetStream.write(b, off, len); } @Override public void flush() { targetStream.flush(); } }); super.start(); } }