Example usage for javax.management QueryExp QueryExp

Introduction

In this page you can find the example usage for javax.management QueryExp QueryExp.

Prototype

QueryExp

Source Link

Usage

From source file:architecture.ee.web.spring.controller.SecureMoSKitoController.java

private List<URL> getClassPathUrlsForTomcat(final String context, final String contextPropertyName) {
    List<MBeanServer> servers = MBeanServerFactory.findMBeanServer(null);
    for (MBeanServer s : servers) {
        Set<ObjectInstance> instances = s.queryMBeans(null, new QueryExp() {

            public boolean apply(ObjectName name) throws BadStringOperationException,
                    BadBinaryOpValueExpException, BadAttributeValueExpException, InvalidApplicationException {
                String type = name.getKeyProperty("type");
                log.debug(name.getDomain() + " : " + name.getKeyPropertyList());
                if (!type.equals("WebappClassLoader"))
                    return false;
                if (!name.getDomain().equals("Catalina"))
                    return false;
                if (!name.getKeyProperty(contextPropertyName).equals(context))
                    return false;
                return true;
            }/*from w  w w  .  ja va 2 s.  co m*/

            public void setMBeanServer(MBeanServer s) {
            }
        });
        if (instances.size() > 0) {
            try {
                URL[] urls = (URL[]) s.getAttribute(instances.iterator().next().getObjectName(), "URLs");
                return Arrays.asList(urls);
            } catch (Exception e) {
            }

        }
    }
    return null;
}

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