org.kitesdk.morphline.stdlib.LogWarnBuilder Maven / Gradle / Ivy
/*
* Copyright 2013 Cloudera Inc.
*
* 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.
*/
package org.kitesdk.morphline.stdlib;
import java.util.Collection;
import java.util.Collections;
import org.kitesdk.morphline.api.Command;
import org.kitesdk.morphline.api.CommandBuilder;
import org.kitesdk.morphline.api.MorphlineContext;
import org.kitesdk.morphline.api.Record;
import com.typesafe.config.Config;
/**
* Command that logs to slf4j at WARN level.
*/
public final class LogWarnBuilder implements CommandBuilder {
@Override
public Collection getNames() {
return Collections.singletonList("logWarn");
}
@Override
public Command build(Config config, Command parent, Command child, MorphlineContext context) {
return new LogWarn(this, config, parent, child, context);
}
///////////////////////////////////////////////////////////////////////////////
// Nested classes:
///////////////////////////////////////////////////////////////////////////////
private static final class LogWarn extends LogCommand {
public LogWarn(CommandBuilder builder, Config config, Command parent, Command child, MorphlineContext context) {
super(builder, config, parent, child, context);
}
@Override
protected boolean doProcess(Record record) {
if (LOG.isWarnEnabled()) {
return super.doProcess(record);
} else {
return getChild().process(record);
}
}
@Override
protected void log(String format, Object[] args) {
LOG.warn(format, args);
}
}
}