PaymentController.java

/**
 * Copyright (c) 2009-2011 VMware, Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.springsource.insight.samples.payme;

import java.util.Random;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

/**
 * This controller provides a very simple example for use when testing the insight-myplugin scaffold.
 */
@Controller
public class PaymentController {
    private Random rand = new Random();
    private static final String DEFAULT_DELAY = "50";

    public PaymentController() {
        super();
    }

    @RequestMapping("/")
    public ModelAndView paymentHandler(@RequestParam(value = "delay", defaultValue = DEFAULT_DELAY) int maxDelay) {
        int randomPayment = getRandomPaymentAmount();
        return backdoor(randomPayment, maxDelay);
    }

    /**
     * Mapping used to help us create specific error conditions within the insight plugin
     */
    @RequestMapping("/backdoor")
    public ModelAndView backdoor(@RequestParam(value = "amount", defaultValue = "-999") int amount, @RequestParam(value = "delay", defaultValue = DEFAULT_DELAY) int maxDelay) {
        ModelAndView paymentAmount = new ModelAndView("gotpaid");
        FakeAccount account = getAccount();
        account.setMaxDelay(maxDelay);

        // This call to setBalance() is intercepted and recorded by Insight when using
        // the insight-myplugin scaffold.
        account.setBalance(amount);

        paymentAmount.addObject("account", account);
        return paymentAmount;
    }


    private int getRandomPaymentAmount() {
        return rand.nextInt(1000) + 30;
    }

    private FakeAccount getAccount() {
        return new FakeAccount();
    }
}