com.ewcms.component.hot.service.HotService.java Source code

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Here is the source code for com.ewcms.component.hot.service.HotService.java

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/**
 * Copyright (c)2010-2011 Enterprise Website Content Management System(EWCMS), All rights reserved.
 * EWCMS PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 * http://www.ewcms.com
 */
/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package com.ewcms.component.hot.service;

import com.ewcms.component.hot.dao.HotDAO;
import com.ewcms.component.hot.vo.Hot;
import java.util.List;
import org.springframework.stereotype.Service;
import org.springframework.beans.factory.annotation.Autowired;

/**
 *
 * @author wangwei
 */
@Service
public class HotService {

    @Autowired
    private HotDAO dao;

    public String mainJSON() {
        List<Hot> hots = dao.findHot();
        if (hots.isEmpty()) {
            return "[]";
        }

        StringBuilder builder = new StringBuilder();
        builder.append("[");
        for (Hot hot : hots) {
            String title = hot.getTitle();
            if (title.length() >= 15) {
                title = title.substring(0, 15);
            }
            builder.append("{").append("\"title\":\"").append(title).append("\",");
            builder.append("\"url\":\"").append(hot.getUrl()).append("\"},");
        }
        builder.deleteCharAt(builder.length() - 1);
        builder.append("]");

        return builder.toString();
    }
}