
org.glassfish.appclient.client.acc.TargetServerHelper Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.appclient.client.acc;
import java.util.ArrayList;
import java.util.List;
import org.glassfish.appclient.client.acc.config.ClientContainer;
import org.glassfish.appclient.client.acc.config.Property;
import org.glassfish.appclient.client.acc.config.Security;
import org.glassfish.appclient.client.acc.config.TargetServer;
import org.glassfish.enterprise.iiop.api.GlassFishORBHelper;
/**
* Encapsulates the logic for deciding what TargetServer objects to use for
* a given command invocation.
*
* @author tjquinn
*/
public class TargetServerHelper {
private static int DEFAULT_ENDPOINT_PORT = Integer.parseInt(GlassFishORBHelper.DEFAULT_ORB_INIT_PORT);
private static final String SSL_PROPERTY_NAME = "ssl";
/**
* Returns the target endpoint(s) to use for bootstrapping to the server-
* side ORB(s).
*
* The user can specify the set of targets in multiple ways. If the user
* uses the -targetserver command-line option, then that setting overrides
* all other derivations of the target server list. In the absence of
* the -targetserver option, the appclient command composes a list of
* endpoints based on (first) the target-server element(s) from the ACC
* configuration file and adds to that list, if present, any setting from
* a client-container/property setting of GlassFishORBManager.IIOP_ENDPOINTS_PROPERTY.
*
* @param clientContainer the client container JAXB fragment
* @return target server(s) to use for bootstrapping
*/
public static TargetServer[] targetServers(
final ClientContainer clientContainer,
final String commandOptionValue) throws UserError {
/*
* Precedence:
* 1. command-line -targetserver option
* 2. config file target-server elements plus any config file top-level property setting
*/
List result =
(commandOptionValue != null)
? selectEndpointsFromCommandLine(commandOptionValue)
: selectEndpointsFromConfig(clientContainer);
return result.toArray(new TargetServer[result.size()]);
}
private static List selectEndpointsFromConfig(ClientContainer cc) {
/*
* Scan the property elements in the configuration for useful information.
*/
/*
* If the configuration specifies the "ssl" property then add a
* child security element to each TargetServer created for the
* target-server elements.
*/
boolean isGlobalSSL = false;
// String endpointPropertySetting = null;
for (Property p : cc.getProperty()) {
/*
* Per Ken S., commented out for now.
*/
/* if (p.getName().equals(GlassFishORBManager.IIOP_ENDPOINTS_PROPERTY)) {
endpointPropertySetting = p.getValue();
} else {
*/
if (p.getName().equals(SSL_PROPERTY_NAME)) {
isGlobalSSL = Boolean.parseBoolean(p.getValue());
}
// }
}
List endpoints = new ArrayList();
/*
* Start the target list with those specified in the configuration.
*/
endpoints.addAll(cc.getTargetServer());
// /*
// * Add a TargetServer for each host:port expression in the configuration's
// * endpoints property, if present.
// */
// if (endpointPropertySetting != null) {
// endpoints.addAll(endpointsFromListList(endpointPropertySetting));
// }
/*
* For all target servers assembled so far, if one does not have a
* user-specified security child but the global SSL property was set
* then add a security child.
*/
for (TargetServer ts : endpoints) {
/*
* If the user selected SSL by setting that property in the
* config then add a security child, because the AppClientContainer
* expects each TargetServer object to declare its own
* security needs explicitly.
*
* Note that if the user already defined a security element for the
* target server we don't override it.
*/
if (isGlobalSSL && ts.getSecurity() == null) {
Security sec = new Security();
ts.setSecurity(sec);
}
}
return endpoints;
}
private static List selectEndpointsFromCommandLine(final String serverText) {
return endpointsFromListList(serverText);
}
private static final String COMMA = ",";
private static final String PLUS = "+";
private static List endpointsFromListList(final String endpointsText) {
List result = new ArrayList();
/*
* Permit either comma or plus sign as the list separator. The command
* parsing on Windows treats a comma as an argument separator. Users can
* include a comma-list inside double quotes on Windows to overcome this
* but allowing + also might help a little.
*/
String delimiter;
if (endpointsText.contains(PLUS)) {
delimiter = PLUS;
} else {
delimiter = COMMA;
}
for (String endpointText : endpointsText.split(delimiter)) {
result.add(endpointFromHostColonPort(endpointText));
}
return result;
}
private static TargetServer endpointFromHostColonPort(
final String endpointText) {
final int colon = endpointText.indexOf(':');
final String host;
final int port;
if (colon == -1) {
host = endpointText;
port = DEFAULT_ENDPOINT_PORT;
} else {
host = endpointText.substring(0, colon);
port = Integer.parseInt(endpointText.substring(colon+1));
}
return new TargetServer(host, port);
}
}