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CLPAbstractCommand.java
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CLPAbstractCommand.java
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/*
* Copyright © 2020 Mark Raynsford <code@io7m.com> http://io7m.com
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package com.io7m.claypot.core;
import com.beust.jcommander.JCommander;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.Parameters;
import org.osgi.annotation.versioning.ProviderType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Objects;
/**
* An abstract command.
*/
@ProviderType
@Parameters(resourceBundle = "com.io7m.claypot.core.Claypot")
public abstract class CLPAbstractCommand implements CLPCommandType
{
private final JCommander commander;
private final CLPCommandContextType context;
@Parameter(
names = "--verbose",
converter = CLPLogLevelConverter.class,
descriptionKey = "com.io7m.claypot.rootDescription"
)
private CLPLogLevel verbose = CLPLogLevel.LOG_INFO;
/**
* Construct a command.
*
* @param inContext The command context
*/
public CLPAbstractCommand(
final CLPCommandContextType inContext)
{
this.context = Objects.requireNonNull(inContext, "context");
this.commander = this.context.commander();
}
protected final JCommander commander()
{
return this.commander;
}
protected final CLPCommandContextType context()
{
return this.context;
}
protected final Logger logger()
{
return this.configuration().logger();
}
protected final CLPApplicationConfiguration configuration()
{
return this.context().configuration();
}
protected abstract Status executeActual()
throws Exception;
/**
* Set up logging for other commands.
*
* @return The command status
*
* @throws Exception On errors
*/
@Override
public final Status execute()
throws Exception
{
if (this.verbose == null) {
this.verbose = CLPLogLevel.LOG_INFO;
}
final ch.qos.logback.classic.Logger root =
(ch.qos.logback.classic.Logger) LoggerFactory.getLogger(
Logger.ROOT_LOGGER_NAME);
root.setLevel(this.verbose.toLevel());
return this.executeActual();
}
}