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/*******************************************************************************
* Copyright (c) 2018 Politecnico di Torino and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Apache License, Version 2.0
* which accompanies this distribution, and is available at
* http://www.apache.org/licenses/LICENSE-2.0
*******************************************************************************/
package it.polito.verigraph.tosca.deserializer;
import it.polito.tosca.jaxb.Configuration;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.ObjectCodec;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonNode;
import java.io.IOException;
import java.math.BigInteger;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
public class XmlConfigurationDeserializer extends JsonDeserializer<Configuration> {
@Override
public Configuration deserialize(JsonParser jp, DeserializationContext ctxt)
throws IOException, JsonProcessingException {
ObjectCodec oc = jp.getCodec();
JsonNode node = oc.readTree(jp);
Configuration deserialized;
try {
//Get the content from the array wrapping the JSON configuration
final Iterator<JsonNode> elements = node.elements();
deserialized = new Configuration();
if(!elements.hasNext()) {
//System.out.println("The provided configuration is empty.");
//return null; //TODO shall we return an empty configuration?
return new Configuration();
}
switch ((String) ctxt.findInjectableValue("type", null, null)) {
case "antispam":
Configuration.AntispamConfiguration antispam = new Configuration.AntispamConfiguration();
List<String> sources = antispam.getSource();
while (elements.hasNext()) {
sources.add(elements.next().asText());
}
deserialized.setAntispamConfiguration(antispam);
break;
case "cache":
Configuration.CacheConfiguration cache = new Configuration.CacheConfiguration();
List<String> resources = cache.getResource();
while(elements.hasNext()) {
resources.add(elements.next().asText());
}
deserialized.setCacheConfiguration(cache);
break;
case "endhost":
Configuration.EndhostConfiguration endhost = new Configuration.EndhostConfiguration();
JsonNode thisnode = elements.next();
if(thisnode.has("body"))
endhost.setBody(thisnode.findValue("body").asText());
if(thisnode.has("sequence"))
endhost.setSequence(BigInteger.valueOf(Long.valueOf(thisnode.findValue("sequence").asText())));
if(thisnode.has("protocol"))
endhost.setProtocol(thisnode.findValue("protocol").asText());
if(thisnode.has("email_from"))
endhost.setEmailFrom(thisnode.findValue("email_from").asText());
if(thisnode.has("url"))
endhost.setUrl(thisnode.findValue("url").asText());
if(thisnode.has("options"))
endhost.setOptions(thisnode.findValue("options").asText());
if(thisnode.has("destination"))
endhost.setDestination(thisnode.findValue("destination").asText());
deserialized.setEndhostConfiguration(endhost);
break;
case "endpoint":
Configuration.EndpointConfiguration endpoint = new Configuration.EndpointConfiguration();
deserialized.setEndpointConfiguration(endpoint);
break;
case "fieldmodifier":
Configuration.FieldmodifierConfiguration fieldmodifier = new Configuration.FieldmodifierConfiguration();
deserialized.setFieldmodifierConfiguration(fieldmodifier);
break;
case "firewall":
Configuration.FirewallConfiguration firewall = new Configuration.FirewallConfiguration();
List<Configuration.FirewallConfiguration.Elements> fwelements = firewall.getElements();
Configuration.FirewallConfiguration.Elements element;
Iterator<Map.Entry<String, JsonNode>> current = elements.next().fields();
Map.Entry<String, JsonNode> entry;
while(current.hasNext()) {
entry = current.next();
element = new Configuration.FirewallConfiguration.Elements();
element.setSource(entry.getKey());
element.setDestination(entry.getValue().asText());
fwelements.add(element);
}
deserialized.setFirewallConfiguration(firewall);
break;
case "mailclient":
Configuration.MailclientConfiguration mailclient = new Configuration.MailclientConfiguration();
mailclient.setMailserver(elements.next().findValue("mailserver").asText());
deserialized.setMailclientConfiguration(mailclient);
break;
case "mailserver":
Configuration.MailserverConfiguration mailserver = new Configuration.MailserverConfiguration();
deserialized.setMailserverConfiguration(mailserver);
break;
case "nat":
Configuration.NatConfiguration nat = new Configuration.NatConfiguration();
List<String> natsource = nat.getSource();
while(elements.hasNext()) {
natsource.add(elements.next().asText());
}
deserialized.setNatConfiguration(nat);
break;
case "vpnaccess":
Configuration.VpnaccessConfiguration vpnaccess = new Configuration.VpnaccessConfiguration();
vpnaccess.setVpnexit(elements.next().findValue("vpnexit").asText());
deserialized.setVpnaccessConfiguration(vpnaccess);
break;
case "vpnexit":
Configuration.VpnexitConfiguration vpnexit = new Configuration.VpnexitConfiguration();
vpnexit.setVpnaccess(elements.next().findValue("vpnaccess").asText());
deserialized.setVpnexitConfiguration(vpnexit);
break;
case "webclient":
Configuration.WebclientConfiguration webclient = new Configuration.WebclientConfiguration();
webclient.setNameWebServer(elements.next().findValue("webserver").asText());
deserialized.setWebclientConfiguration(webclient);
break;
case "webserver":
Configuration.WebserverConfiguration webserver = new Configuration.WebserverConfiguration();
deserialized.setWebserverConfiguration(webserver);
break;
default:
Configuration.FieldmodifierConfiguration defaultForwarder = new Configuration.FieldmodifierConfiguration();
deserialized.setFieldmodifierConfiguration(defaultForwarder);
break;
}
} catch (Exception e) {
// TODO Auto-generated catch block
System.err.println("Error converting the Json to XmlConfiguration");
e.printStackTrace();
return null;
}
return deserialized;
}
}
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