Example usage for javax.servlet ServletContainerInitializer getClass

Introduction

In this page you can find the example usage for javax.servlet ServletContainerInitializer getClass.

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:org.wso2.carbon.tomcat.internal.SCIRegistrarContextConfig.java

@Override
protected void processServletContainerInitializers(ServletContext servletContext) {
    //Scan JARs for ServletContainerInitializer implementations.
    // Code below is from {@link org.apache.catalina.startup.ContextConfig}
    List<ServletContainerInitializer> detectedScis;
    try {//  w  w w  . j a  va2  s  .co m
        WebappServiceLoader<ServletContainerInitializer> loader = new WebappServiceLoader<ServletContainerInitializer>(
                servletContext, context.getContainerSciFilter());
        detectedScis = loader.load(ServletContainerInitializer.class);
    } catch (IOException e) {
        log.error(sm.getString("contextConfig.servletContainerInitializerFail", context.getName()), e);//prints the full stack trace
        ok = false;
        return;
    }

    //code belongs to org.wso2.carbon.tomcat.internal.SCIRegistrarContextConfig
    List<ServletContainerInitializer> mutableDetectedScis = getCustomSciList(detectedScis);

    // Code below is from {@link org.apache.catalina.startup.ContextConfig}
    //made changes in logging.
    for (ServletContainerInitializer sci : mutableDetectedScis) {
        initializerClassMap.put(sci, new HashSet<Class<?>>());
        HandlesTypes ht;
        try {
            ht = sci.getClass().getAnnotation(HandlesTypes.class);
        } catch (Exception e) {//class defined in the @HandlesTypes annotation can be missing.Can throw
            // NullPointerException.
            if (log.isDebugEnabled()) {
                log.debug(sm.getString("contextConfig.sci.debug", sci.getClass().getName()), e);//changed log.info to log.debug.The debug level prints the full stack trace.
            } else {
                log.info(sm.getString("contextConfig.sci.info", sci.getClass().getName()));
            }
            continue;
        }
        if (ht == null) {
            continue;
        }
        Class<?>[] types = ht.value();
        if (types == null) {
            continue;
        }
        for (Class<?> type : types) {
            if (type.isAnnotation()) {
                handlesTypesAnnotations = true;
            } else {
                handlesTypesNonAnnotations = true;
            }
            Set<ServletContainerInitializer> scis = typeInitializerMap.get(type);
            if (scis == null) {
                scis = new HashSet<ServletContainerInitializer>();
                typeInitializerMap.put(type, scis);
            }
            scis.add(sci);
        }
    }
}

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