org.apache.geronimo.farm.plugin: public class: HeartbeatMonitor

org.apache.geronimo.farm.plugin
public class: HeartbeatMonitor [javadoc | source]

java.lang.Object
   org.apache.geronimo.farm.plugin.HeartbeatMonitor

All Implemented Interfaces:
HeartbeatMonitor

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.

Constructor:
public HeartbeatMonitor(MulticastLocation location) { this.location = location; }

Method from org.apache.geronimo.farm.plugin.HeartbeatMonitor Summary:
monitor

Methods from java.lang.Object:
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method from org.apache.geronimo.farm.plugin.HeartbeatMonitor Detail:
public void monitor(InputStream in, OutputStream output, String pattern) { if (pattern == null \|\| pattern.equals("")) pattern = ".*"; final PrintStream out = new PrintStream(output); final Pattern regex; try { regex = Pattern.compile(pattern); } catch (Exception e) { out.println("Invalid java.util.regex.Pattern \"" + pattern + "\""); return; } out.println("Hit any key to stop."); final AtomicBoolean stop = new AtomicBoolean(); Runnable runnable = new Runnable(){ public void run() { try { in.read(); } catch (IOException e) { } finally { stop.set(true); } } }; Thread thread = new Thread(runnable); thread.setDaemon(true); thread.start(); try { MulticastSearch multicast = new MulticastSearch(location.getHost(), location.getPort()); multicast.search(new MulticastSearch.Filter(){ public boolean accept(URI service) { String s = service.toString(); Matcher matcher = regex.matcher(s); if (matcher.matches()){ out.println(s); } return stop.get(); } }); } catch (IOException e) { e.printStackTrace(out); } }

Method from org.apache.geronimo.farm.plugin.HeartbeatMonitor Detail:

 public  void monitor(InputStream in,
    OutputStream output,
    String pattern) {
        if (pattern == null || pattern.equals("")) pattern = ".*";
        final PrintStream out = new PrintStream(output);
        final Pattern regex;
        try {
            regex = Pattern.compile(pattern);
        } catch (Exception e) {
            out.println("Invalid java.util.regex.Pattern \"" + pattern + "\"");
            return;
        }
        out.println("Hit any key to stop.");
        final AtomicBoolean stop = new AtomicBoolean();
        Runnable runnable = new Runnable(){
            public void run() {
                try {
                    in.read();
                } catch (IOException e) {
                } finally {
                    stop.set(true);
                }
            }
        };
        Thread thread = new Thread(runnable);
        thread.setDaemon(true);
        thread.start();
        try {
            MulticastSearch multicast = new MulticastSearch(location.getHost(), location.getPort());
            multicast.search(new MulticastSearch.Filter(){
                public boolean accept(URI service) {
                    String s = service.toString();
                    Matcher matcher = regex.matcher(s);
                    if (matcher.matches()){
                        out.println(s);
                    }
                    return stop.get();
                }
            });
        } catch (IOException e) {
            e.printStackTrace(out);
        }
}