使用Tomcat 7访问特定于上下文的领域 [英] Accessing a context specific realm with Tomcat 7
本文介绍了使用Tomcat 7访问特定于上下文的领域的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在JSF Web应用程序中使用自制"领域.
I am using a "home made" realm in a JSF webapp.
<Context docBase="senateurs" jndiExceptionOnFailedWrite="false" path="/senateurs" reloadable="true">
<Resource auth="Container" description="Extraction des roles" maxActive="3" maxIdle="1" maxWait="60" name="jdbc/authSen" type="javax.sql.DataSource" validationQuery="select * from senateurs.qua"/>
<Realm className="org.apache.catalina.realm.SenatLdapDataSourceRealm" dataSourceName="jdbc/authSen" instanceName="realm-senateurs" localDataSource="true" roleNameCol="rolcod" userNameCol="perlogldap" userRoleTable="senateurs.perrol"/>
</Context>
在以下问题中,它可能是任何领域.
In the following question, it could be just any realm.
我想访问此领域,以在我的JSF Web应用程序中公开其配置属性.
I would like to access this realm, to expose its configuration property in my JSF webapp.
要访问数据源,我可以使用以下功能:
To access the DataSource, I can use the following function :
public static BasicDataSource getDataSource(String dataSourceName) throws NamingException {
InitialContext ic = new InitialContext();
ic.createSubcontext("java:");
ic.createSubcontext("java:comp");
ic.createSubcontext("java:comp/env");
String subContext = "java:comp/env";
String[] split = dataSourceName.split("/");
for(int i = 0 ; i < split.length -1 ; i++) {
subContext += "/" + split[i];
ic.createSubcontext(subContext);
}
return (BasicDataSource) ic.lookup("java:comp/env/" + dataSourceName);
}
要访问主机配置中声明的领域,我可以使用:
To access a realm declared in host configuration, I can use :
public static Realm getTomcatRealm() {
try {
MBeanServer mBeanServer = MBeanServerFactory.findMBeanServer(null).get(0);
ObjectName name = new ObjectName("Catalina", "type", "Server");
Server server = (Server) mBeanServer.getAttribute(name, "managedResource");
Service service = server.findService("Catalina");
Engine engine = (Engine) service.getContainer();
Host host = (Host) engine.findChild(engine.getDefaultHost());
return host.getRealm();
} catch (MBeanException ex) {
log.error("Erreur lors de l'accès a serveur Tomcat",ex);
} catch (AttributeNotFoundException ex) {
log.error("Erreur lors de l'accès a serveur Tomcat",ex);
} catch (InstanceNotFoundException ex) {
log.error("Erreur lors de l'accès a serveur Tomcat",ex);
} catch (ReflectionException ex) {
log.error("Erreur lors de l'accès a serveur Tomcat",ex);
} catch (MalformedObjectNameException ex) {
log.error("Erreur lors de l'accès a serveur Tomcat",ex);
} finally {
return null;
}
}
我应该使用什么来访问在webapp上下文中声明的领域?
What should I use to access the realm declared in the webapp context ?
谢谢.
推荐答案
您可以在实例上添加已有代码的小扩展名.
You can get the instance with a small extension to the code you already have.
Context context = (Context) host.findChild("/senateurs");
return context.getRealm();
这篇关于使用Tomcat 7访问特定于上下文的领域的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文