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package com.sun.enterprise.config.serverbeans.validation.tests;
import java.net.UnknownHostException;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.Vector;
import java.util.logging.Level;
import com.sun.enterprise.config.ConfigContext;
import com.sun.enterprise.config.ConfigBean;
import com.sun.enterprise.config.ConfigContextEvent;
import com.sun.enterprise.config.ConfigException;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.HttpListener;
import com.sun.enterprise.config.serverbeans.HttpService;
import com.sun.enterprise.config.serverbeans.ServerTags;
import com.sun.enterprise.config.serverbeans.VirtualServer;
import com.sun.enterprise.config.serverbeans.validation.GenericValidator;
import com.sun.enterprise.config.serverbeans.validation.Result;
import com.sun.enterprise.config.serverbeans.validation.ValidationDescriptor;
import java.util.Collections;
import java.util.Arrays;
import java.util.Iterator;
/**
Custom Test for Virtual Server Test which calls the Generic Validation before performing custom tests
@author Srinivas Krishnan
@version 2.0
*/
public class VirtualServerTest extends GenericValidator {
public VirtualServerTest(ValidationDescriptor desc) {
super(desc);
}
public Result validate(ConfigContextEvent cce) {
Result result = super.validate(cce); // Before doing custom validation do basic validation
try{
if(cce.getChoice().equals(StaticTest.ADD) || cce.getChoice().equals(StaticTest.VALIDATE)) {
ConfigContext context = cce.getConfigContext();
VirtualServer virtual = (VirtualServer) cce.getValidationTarget();
// For an ADD operation the virtual server is being
// added to an http-service, which is the
// configcontextevents class object. Therefore the config is
// the parent of the class object:
final Config config = (Config) ((HttpService) cce.getClassObject()).parent();
validateAttribute(ServerTags.HTTP_LISTENERS,virtual.getHttpListeners(),config, result);
//validateAttribute(ServerTags.HOSTS,virtual.getHosts(),config, result);
} else if(cce.getChoice().equals("UPDATE")) {
// For an UPDATE operation the class object is the
// virtual server whose attributes are being
// updated. Therefore the config is the parent of the
// parent of this object:
final VirtualServer vs = (VirtualServer) cce.getClassObject();
final Config config = (Config) vs.parent().parent();
String name = cce.getName();
String value = (String) cce.getObject();
validateAttribute(name,value,config, result);
// IF the state is being turned off then this can only
// occur if there's no http-listener which has this
// virtual server as a default and which is enabled.
if (name.equals(ServerTags.STATE) && !value.equals("on")){
checkAllRelatedHttpListenersAreDisabled(vs, result);
}
}
}
catch (final ConfigException ce){
_logger.log(Level.WARNING, "domainxmlverifier.exception", ce);
}
return result;
}
private Set getReferers(final VirtualServer vs) throws ConfigException {
final Set listeners = getPeerListeners(vs);
if (listeners.isEmpty()) { return Collections.EMPTY_SET; }
final Set result = new HashSet();
for (final Iterator it = listeners.iterator(); it.hasNext(); ){
final HttpListener l = (HttpListener) it.next();
if (l.getDefaultVirtualServer().equals(vs.getId())){
result.add(l);
}
}
return result;
}
private Set getPeerListeners(final VirtualServer vs) throws ConfigException {
final HttpService hs = (HttpService) vs.parent();
if (null == hs) { return Collections.EMPTY_SET; }
final Set result = new HashSet();
result.addAll(Arrays.asList(hs.getHttpListener()));
return result;
}
public void validateAttribute(String name, String value, Config config, Result result) {
if(value== null || value.equals(""))
return;
if(name.equals(ServerTags.HOSTS)) {
Vector address = tokens(value);
for(int i=0;i<address.size();i++) {
try {
StaticTest.checkIPAddress((String) address.get(i));
} catch(IllegalArgumentException e) {
result.failed(smh.getLocalString(getClass().getName() + ".addressNotAscii",
"Attribute({0}={1}) : Invalid address syntax - {1}",
new Object[]{name, (String)address.get(i)}));
} catch(Exception u) {
result.failed(smh.getLocalString(getClass().getName() + ".invalidHostsAddress",
"Invalid value for virtual server's ''{0}'' attribute. ''{1}'' is incorrect network address. ",
new Object[]{name,(String)address.get(i)}));
}
}
}
}
public Vector tokens(String value) {
StringTokenizer token = new StringTokenizer(value,",");
Vector test = new Vector();
while(token.hasMoreTokens())
test.add(token.nextToken());
return test;
}
private final void checkAllRelatedHttpListenersAreDisabled(final VirtualServer vs, final Result result) throws ConfigException {
for (final Iterator it = getReferers(vs).iterator(); it.hasNext(); ){
final HttpListener l = (HttpListener) it.next();
if (l.isEnabled()){
result.failed(smh.getLocalString(getClass().getName()+".listenerEnabled",
"Cannot disable the virtual server \"{0}\" because this is the default virtual server for the http listener \"{1}\".",
new Object[]{vs.getId(), l.getId()}));
}
}
}
private final VirtualServer getVirtualServer(final ConfigContextEvent cce) throws ConfigException {
return (VirtualServer) cce.getValidationTarget();
}
}
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