net.sourceforge.tink.model.helpers.ConsoleOutput Maven / Gradle / Ivy

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/**
 * Copyright 2008,2009 Ivan SZKIBA
 * 
 * Licensed 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.
 * under the License.
 */

package net.sourceforge.tink.model.helpers;

import net.sourceforge.tink.model.Output;

import java.io.PrintStream;

public class ConsoleOutput implements Output
{
    public static enum Verbosity
    {
        DEBUG,
        VERBOSE,
        INFO,
        WARNING,
        ERROR;
        public static Verbosity fromString(String str)
        {
            return valueOf(str.toUpperCase());
        }
    }

    private PrintStream stream;
    private Verbosity verbosity;

    public ConsoleOutput()
    {
        this(Verbosity.VERBOSE, System.err);
    }

    public ConsoleOutput(Verbosity verbosity)
    {
        this(verbosity, System.err);
    }

    public ConsoleOutput(Verbosity verbosity, PrintStream stream)
    {
        this.verbosity = verbosity;
        this.stream = stream;
    }

    @Override public boolean isDebugEnabled()
    {
        return verbosity.compareTo(Verbosity.DEBUG) <= 0;
    }

    @Override public boolean isErrorEnabled()
    {
        return verbosity.compareTo(Verbosity.ERROR) <= 0;
    }

    @Override public boolean isInfoEnabled()
    {
        return verbosity.compareTo(Verbosity.INFO) <= 0;
    }

    @Override public boolean isVerboseEnabled()
    {
        return verbosity.compareTo(Verbosity.VERBOSE) <= 0;
    }

    @Override public boolean isWarningEnabled()
    {
        return verbosity.compareTo(Verbosity.WARNING) <= 0;
    }

    @Override public void debug(String message, Object... params)
    {
        if (isDebugEnabled())
        {
            stream.format(message, params);
            stream.println();
        }
    }

    @Override public void debug(Throwable cause, String message, Object... params)
    {
        if (isDebugEnabled())
        {
            cause.printStackTrace(stream);
            stream.format(message, params);
            stream.println();
        }
    }

    @Override public void error(String message, Object... params)
    {
        if (isErrorEnabled())
        {
            stream.format(message, params);
            stream.println();
        }
    }

    @Override public void error(Throwable cause, String message, Object... params)
    {
        if (isErrorEnabled())
        {
            stream.println(cause.toString());
            stream.format(message, params);
            stream.println();
        }
    }

    @Override public void info(String message, Object... params)
    {
        if (isInfoEnabled())
        {
            stream.format(message, params);
            stream.println();
        }
    }

    @Override public void info(Throwable cause, String message, Object... params)
    {
        if (isInfoEnabled())
        {
            stream.println(cause.toString());
            stream.format(message, params);
            stream.println();
        }
    }

    @Override public void verbose(String message, Object... params)
    {
        if (isVerboseEnabled())
        {
            stream.format(message, params);
            stream.println();
        }
    }

    @Override public void verbose(Throwable cause, String message, Object... params)
    {
        if (isVerboseEnabled())
        {
            cause.printStackTrace(stream);
            stream.format(message, params);
            stream.println();
        }
    }

    @Override public void warning(String message, Object... params)
    {
        if (isWarningEnabled())
        {
            stream.format(message, params);
            stream.println();
        }
    }

    @Override public void warning(Throwable cause, String message, Object... params)
    {
        if (isWarningEnabled())
        {
            stream.println(cause.toString());
            stream.format(message, params);
            stream.println();
        }
    }
}