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/*
 * Copyright 2015 Kantega AS
 *
 * 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 org.kantega.respiro.exchanges;

import org.kantega.respiro.collector.ExchangeInfo;
import org.kantega.respiro.collector.ExchangeMessage;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;


/**
 *
 */
public class ExchangesServlet extends HttpServlet {
    private final Exchanges exchanges;

    public ExchangesServlet(Exchanges exchanges) {

        this.exchanges = exchanges;
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setContentType("text/plain");
        PrintWriter w = resp.getWriter();
        ArrayList exchangeLog = exchanges.getExchangeLog();
        w.println("Showing " +exchangeLog.size() + " exchanges:\n");

        int c = 1;
        for (ExchangeInfo message : exchangeLog) {
            w.println("\nExchange " + c++ +":\n");
            w.println(message.getInMessage());
            List backendMessages = message.getBackendMessages();
            w.println("\tShowing " +backendMessages.size() +" backend messages:");
            for (ExchangeMessage backendMessage : backendMessages) {
                w.println(backendMessage);
            }
            w.println(message.getOutMessage());
        }
    }
}