Example usage for org.springframework.aop IntroductionInterceptor IntroductionInterceptor

Introduction

In this page you can find the example usage for org.springframework.aop IntroductionInterceptor IntroductionInterceptor.

Prototype

IntroductionInterceptor

Source Link

Usage

From source file:it.cilea.osd.common.dao.impl.NamedQueryIntroductionAdvisor.java

public NamedQueryIntroductionAdvisor() {
    super(new IntroductionInterceptor() {
        /**// ww w. j ava2 s  .c om
         * Execute the appropriate method of the genericDAO implementation
         * basing on the start characters of the original invoked method on
         * the DAO class
         */
        public Object invoke(MethodInvocation mi) throws Throwable {
            NamedQueryExecutor genericDao = (NamedQueryExecutor) mi.getThis();
            String methodName = mi.getMethod().getName();
            if (methodName.startsWith("find")) {
                Object[] args = mi.getArguments();
                return genericDao.executeFinder(mi.getMethod(), args);
            } else if (methodName.startsWith("unique")) {
                Object[] args = mi.getArguments();
                return genericDao.executeUnique(mi.getMethod(), args);
            } else if (methodName.startsWith("count")) {
                Object[] args = mi.getArguments();
                return genericDao.executeCounter(mi.getMethod(), args);
            } else if (methodName.startsWith("delete") && !methodName.equals("delete")) {
                Object[] args = mi.getArguments();
                return genericDao.executeDelete(mi.getMethod(), args);
            } else if (methodName.startsWith("idFind")) {
                Object[] args = mi.getArguments();
                return genericDao.executeIdFinder(mi.getMethod(), args);
            } else if (methodName.startsWith("paginate")) {
                Object[] args = mi.getArguments();
                String sort = (String) args[args.length - 4];
                boolean inverse = (Boolean) args[args.length - 3];
                int firstResult = (Integer) args[args.length - 2];
                int maxResults = (Integer) args[args.length - 1];
                args = Arrays.asList(args).subList(0, args.length - 4).toArray();
                return genericDao.executePaginator(mi.getMethod(), args, sort, inverse, firstResult,
                        maxResults);
            } else if (methodName.startsWith("is") || methodName.startsWith("has")
                    || methodName.startsWith("check")) {
                Object[] args = mi.getArguments();
                return genericDao.executeBoolean(mi.getMethod(), args);
            } else if (methodName.startsWith("sum")) {
                Object[] args = mi.getArguments();
                return genericDao.executeDouble(mi.getMethod(), args);
            } else if (methodName.startsWith("singleResult")) {
                Object[] args = mi.getArguments();
                return genericDao.executeSingleResult(mi.getMethod(), args);
            } else if (methodName.startsWith("max")) {
                Object[] args = mi.getArguments();
                return genericDao.executeMax(mi.getMethod(), args);
            } else {
                return mi.proceed();
            }
        }

        public boolean implementsInterface(Class intf) {
            return intf.isInterface() && NamedQueryExecutor.class.isAssignableFrom(intf);
        }
    });
}

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