/*
 * 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.eclipse.aether.internal.test.util;

import java.io.PrintStream;

import org.eclipse.aether.spi.log.Logger;
import org.eclipse.aether.spi.log.LoggerFactory;

/**
 * A logger factory that writes to some {@link PrintStream}.
 *
 * @deprecated Use SLF4J instead
 */
@Deprecated
public final class TestLoggerFactory implements LoggerFactory {

    private final Logger logger;

    /**
     * Creates a new logger factory that writes to {@link System#out}.
     */
    public TestLoggerFactory() {
        this(null);
    }

    /**
     * Creates a new logger factory that writes to the specified print stream.
     */
    public TestLoggerFactory(PrintStream out) {
        logger = new TestLogger(out);
    }

    public Logger getLogger(String name) {
        return logger;
    }

    private static final class TestLogger implements Logger {

        private final PrintStream out;

        TestLogger(PrintStream out) {
            this.out = (out != null) ? out : System.out;
        }

        public boolean isWarnEnabled() {
            return true;
        }

        public void warn(String msg, Throwable error) {
            out.println("[WARN] " + msg);
            if (error != null) {
                error.printStackTrace(out);
            }
        }

        public void warn(String msg) {
            warn(msg, null);
        }

        public boolean isDebugEnabled() {
            return true;
        }

        public void debug(String msg, Throwable error) {
            out.println("[DEBUG] " + msg);
            if (error != null) {
                error.printStackTrace(out);
            }
        }

        public void debug(String msg) {
            debug(msg, null);
        }
    }
}
