org.coos.messaging.PluginParser Maven / Gradle / Ivy
/**
* COOS - Connected Objects Operating System (www.connectedobjects.org).
*
* Copyright (C) 2009 Telenor ASA and Tellu AS. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see props = new HashMap();
/*
* for (int j = 0; j < transportType.getPropertyArray().length;
* j++) { PropertyType propertyType =
* transportType.getPropertyArray()[j];
* props.put(propertyType.getName(), propertyType.getValue()); }
*/
String className = tb.className;
String name = tb.name;
Class transportClass = Class.forName(className);
Transport transport = (Transport) transportClass.newInstance();
transport.setProperties(tb.properties);
ht_transports.put(name, transport);
}
ht_channels = new Hashtable();
for (int i = 0; i < channels.size(); i++) {
ch = (ChannelBundle) channels.elementAt(i);
String className = ch.className;
String name = ch.name;
Class channelClass = Class.forName(className);
Channel channel = (Channel) channelClass.newInstance();
String transportType = ch.transport;
if (transportType != null) {
boolean found = false;
for (Enumeration e = ht_transports.keys(); e.hasMoreElements();) {
if (e.nextElement().equals(transportType)) {
found = true;
break;
}
}
if (!found) {
throw new Exception("Transport " + transportType + " is not declared.");
}
channel.setTransport((Transport) ((Transport) ht_transports.get(transportType)).copy());
channel.setInit(true); // The Plugin shall always initiate a
// connection
} else {
Class transportClass = Class.forName(JVM_TRANSPORT_CLASS);
Transport transport = (Transport) transportClass.newInstance();
channel.setTransport(transport);
channel.setInit(true); // The Plugin shall always initiate a
// connection
}
String segment = ch.segment;// pluginType.getSegment();
if (segment == null) {
segment = "";
}
channel.setSegment(segment);
Vector outBound = ch.outBound;
if (outBound != null) {
for (int j = 0; j < outBound.size(); j++) {
String processor = (String) outBound.elementAt(j);
ProcessorBundle procType = (ProcessorBundle) ht_processors.get(processor);
if (procType == null) {
throw new Exception("Processor " + processor + " is not declared.");
}
if (procType.shared.equals("true")) {
channel.getOutLink().addFilterProcessor((Processor) ht_shared_processors.get(processor));
} else {
channel.getOutLink().addFilterProcessor(instantiateProcessor(procType, cl));
}
}
}
Vector inBound = ch.inBound;
if (inBound != null) {
for (int j = 0; j < inBound.size(); j++) {
String processor = (String) inBound.elementAt(j);
ProcessorBundle procType = (ProcessorBundle) ht_processors.get(processor);
if (procType == null) {
throw new Exception("Processor " + processor + " is not declared.");
}
if (procType.shared.equals("true")) {
channel.getInLink().addFilterProcessor((Processor) ht_shared_processors.get(processor));
} else {
channel.getInLink().addFilterProcessor(instantiateProcessor(procType, cl));
}
}
}
ht_channels.put(name, channel);
}
ht_plugins = new Hashtable();
for (int i = 0; i < plugins.size(); i++) {
pb = (PluginBundle) plugins.elementAt(i);
Plugin plugin = new Plugin();
// PluginType pluginType = model.getPluginArray()[i];
String name = pb.name;
String className = pb.className;
String channel = pb.channel;
Class pluginClass = Class.forName(className);
Endpoint endpoint = (Endpoint) pluginClass.newInstance();
endpoint.setCoContainer(cl);
endpoint.setEndpointUri("coos://" + name);
URIHelper helper = new URIHelper(endpoint.getEndpointUri());
if (helper.isEndpointUuid()) {
endpoint.setEndpointUuid(name);
}
// Map props = new HashMap();
/*
* for (int k = 0; k < pluginType.getPropertyArray().length;
* k++) { PropertyType propertyType =
* pluginType.getPropertyArray()[k];
* props.put(propertyType.getName(), propertyType.getValue()); }
*/
endpoint.setProperties(pb.properties);
plugin.setEndpoint(endpoint);
plugin.addChannel((Channel) ht_channels.get(channel));
ht_plugins.put(pb.name != null ? pb.name : "plugin" + new Random().nextInt() % 100, plugin);
}
} catch (ClassNotFoundException err) {
err.printStackTrace();
} catch (Exception err) {
err.printStackTrace();
}
}
class PluginBundle {
public String name, channel, className;
public Hashtable properties;// / = new Hashtable();
public PluginBundle(String name, String channel, String className, Hashtable properties) {
this.name = name;
this.channel = channel;
this.className = className;
this.properties = properties;
}
}
class ChannelBundle {
public String name, className, segment, transport;
public Hashtable properties;// = new Hashtable();
public Vector inBound = new Vector();
public Vector outBound = new Vector();
public ChannelBundle(String name, String className, String segment, String transport, Hashtable properties) {
super();
this.name = name;
this.className = className;
this.segment = segment;
this.transport = transport;
this.properties = properties;
}
}
class TransportBundle {
public String name, className;
public Hashtable properties;// = new Hashtable();
public TransportBundle(String name, String className, Hashtable properties) {
this.name = name;
this.className = className;
this.properties = properties;
}
}
class ProcessorBundle {
public String name, className, shared;
Hashtable properties;// = new Hashtable();
public ProcessorBundle(String name, String className, String shared, Hashtable properties) {
this.name = name;
this.className = className;
this.shared = shared;
this.properties = properties;
}
}
private static Processor instantiateProcessor(ProcessorBundle processor, COContainer cl)
throws ClassNotFoundException, InstantiationException, IllegalAccessException {
String className = processor.className;
boolean isShared = processor.name.equals("true");
/*
* Map props = new HashMap(); for (int j
* = 0; j < processorType.getPropertyArray().length; j++) { PropertyType
* propertyType = processorType.getPropertyArray()[j];
* props.put(propertyType.getName(), propertyType.getValue()); }
*/
Class procClass = cl.loadClass(className);
Processor p = (Processor) procClass.newInstance();
p.setProperties(processor.properties);
p.setShared(new Boolean(isShared));
return p;
}
public Plugin[] getPlugins() {
Plugin[] retp = new Plugin[ht_plugins.size()];
int counter = 0;
for (Enumeration e = ht_plugins.keys(); e.hasMoreElements();) {
retp[counter++] = (Plugin) ht_plugins.get(e.nextElement());
}
return retp;
}
}
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