64 lines
1.7 KiB
Java
64 lines
1.7 KiB
Java
package org.gcube.data.streams;
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import gr.uoa.di.madgik.commons.server.PortRange;
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import gr.uoa.di.madgik.commons.server.TCPConnectionManager;
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import gr.uoa.di.madgik.commons.server.TCPConnectionManagerConfig;
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import gr.uoa.di.madgik.grs.proxy.tcp.TCPConnectionHandler;
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import java.net.InetAddress;
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import java.util.ArrayList;
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import org.gcube.data.streams.exceptions.StreamContingency;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* Library utils.
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*
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* @author Fabio Simeoni
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*
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*/
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public class Utils {
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private static Logger log = LoggerFactory.getLogger(Utils.class);
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/**
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* Initialises gRS2 library.
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*/
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public static synchronized void initialiseRS() {
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if (TCPConnectionManager.IsInitialized())
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return;
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log.info("gRS2 is not initialised: using defaults");
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String host =null;
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try {
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host = InetAddress.getLocalHost().getHostName();
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}
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catch(Exception e) {
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log.info("could not discover hostname, using 'localhost' to allow offline usage");
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host="localhost";
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}
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try {
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TCPConnectionManager.Init(new TCPConnectionManagerConfig(host,new ArrayList<PortRange>(),true));
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TCPConnectionManager.RegisterEntry(new TCPConnectionHandler());
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}
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catch(Exception e) {
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throw new RuntimeException(e);
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}
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}
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/**
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* Indicates whether a failure or its indirect causes are annotated with {@link StreamContingency}.
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* @param t the failure
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* @return <code>true</code> if the failure or its indirect causes are annotated with {@link StreamContingency}.
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*/
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public static boolean isContingency(Throwable t) {
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return t.getClass().isAnnotationPresent(StreamContingency.class)
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|| ((t.getCause()!=null) &&(isContingency(t.getCause())));
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}
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}
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