package com.cloudera.flume.handlers.debug;
import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.cloudera.flume.conf.Context;
import com.cloudera.flume.conf.FlumeSpecException;
import com.cloudera.flume.conf.SinkFactory.SinkBuilder;
import com.cloudera.flume.core.Event;
import com.cloudera.flume.core.EventSink;
import com.cloudera.flume.handlers.text.FormatFactory;
import com.cloudera.flume.handlers.text.output.DebugOutputFormat;
import com.cloudera.flume.handlers.text.output.OutputFormat;
import com.google.common.base.Preconditions;
static final Logger LOG = LoggerFactory.getLogger(ConsoleEventSink.class);
OutputFormat fmt;
this(null);
}
this.fmt = (fmt == null) ? DebugOutputFormat.builder().build() : fmt;
}
@Override
public void append(Event e)
throws IOException {
fmt.format(System.out, e);
super.append(e);
}
@Override
public void close()
throws IOException {
LOG.info("ConsoleEventSink( " + fmt.getBuilder().getName() + " ) closed");
}
@Override
public void open()
throws IOException {
LOG.info("ConsoleEventSink( " + fmt.getBuilder().getName() + " ) opened");
}
public static SinkBuilder
builder() {
return new SinkBuilder() {
@Override
public EventSink
build(Context context, String... argv) {
Preconditions.checkArgument(argv.length <= 1,
"usage: console[(format)]");
OutputFormat fmt = DebugOutputFormat.builder().build();
if (argv.length >= 1) {
try {
fmt = FormatFactory.get().getOutputFormat(argv[0]);
} catch (FlumeSpecException e) {
LOG.error("Bad output format name " + argv[0], e);
throw new IllegalArgumentException("Bad output format name "
+ argv[0], e);
}
}
return new ConsoleEventSink(fmt);
}
};
}
}