package com.cloudera.flume.core.extractors;
import java.io.IOException;
import com.cloudera.flume.conf.Context;
import com.cloudera.flume.conf.SinkFactory.SinkDecoBuilder;
import com.cloudera.flume.core.Attributes;
import com.cloudera.flume.core.Event;
import com.cloudera.flume.core.EventSink;
import com.cloudera.flume.core.EventSinkDecorator;
import com.google.common.base.Preconditions;
public class extends EventSinkDecorator<EventSink> {
final String attr;
final int idx;
final String splitRegex;
public (EventSink s, String splitRegex, int tok, String attr) {
super(s);
this.splitRegex = splitRegex;
this.idx = tok;
this.attr = attr;
}
@Override
public void append(Event e)
throws IOException {
String vals[] = new String(e.getBody()).split(splitRegex);
String val = (idx < vals.length) ? vals[idx] : "";
Attributes.setString(e, attr, val);
super.append(e);
}
public static SinkDecoBuilder
builder() {
return new SinkDecoBuilder() {
@Override
public EventSinkDecorator<EventSink>
build(Context context,
String... argv) {
Preconditions.checkArgument(argv.length == 3,
"usage: split(splitRegex, idx, dstAttr)");
String regex = argv[0];
Integer idx = Integer.parseInt(argv[1]);
String attr = argv[2];
EventSinkDecorator<EventSink> snk = new SplitExtractor(null, regex,
idx, attr);
return snk;
}
};
}
}