/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.karaf.event.command;
import java.io.PrintStream;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.function.Consumer;
import org.osgi.service.event.Event;
public class EventPrinter implements Consumer<Event>{
private PrintStream out;
private boolean verbose;
public EventPrinter(PrintStream out, boolean verbose) {
this.out = out;
this.verbose = verbose;
}
@Override
public void accept(Event event) {
out.println(getTimeStamp(event) + " - " + event.getTopic());
if (verbose) {
for (String key : event.getPropertyNames()) {
if (!key.equals("event.topics") && !key.equals("timestamp")) {
out.println(key + ": " + getPrintValue(event, key));
}
}
out.println();
out.flush();
}
}
private String getTimeStamp(Event event) {
Long ts = (Long)event.getProperty("timestamp");
if (ts == null) {
return "0000-00-00 00:00:00";
}
DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return df.format(new Date(ts));
}
private Object getPrintValue(Event event, String key) {
Object value = event.getProperty(key);
if (value.getClass().isArray()) {
return Arrays.toString((Object[])value);
}
return value.toString();
}
}