org.gaixie.micrite.action.GenericAction.java Source code

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Here is the source code for org.gaixie.micrite.action.GenericAction.java

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/* ===========================================================
 * $Id: GenericAction.java 518 2009-08-24 05:33:01Z bitorb $
 * This file is part of Micrite
 * ===========================================================
 *
 * (C) Copyright 2009, by Gaixie.org and Contributors.
 * 
 * Project Info:  http://micrite.gaixie.org/
 *
 * Micrite is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Micrite is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Micrite.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package org.gaixie.micrite.action;

import java.io.IOException;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.ServletActionContext;
import org.gaixie.micrite.common.search.SearchBean;
import org.gaixie.micrite.common.search.SearchFactory;
import org.jfree.chart.ChartRenderingInfo;
import org.jfree.chart.ChartUtilities;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.entity.StandardEntityCollection;
import org.jfree.chart.servlet.ServletUtilities;

import com.opensymphony.xwork2.ActionSupport;

/**
 * GenericAction????Action.
 * <p>
 */
public class GenericAction extends ActionSupport {
    /**limit=0??select???jsonpluginjava.lang.OutOfMemoryError: Java heap space*/
    public static final int DEFAULT_LIMIT = 20;
    private static final long serialVersionUID = -6554298643237377735L;

    protected HttpServletRequest getRequest() {
        return ServletActionContext.getRequest();
    }

    protected HttpServletResponse getResponse() {
        // TODO Auto-generated method stub
        return ServletActionContext.getResponse();
    }

    //Map???struts2-json??json
    private Map<String, Object> resultMap = new HashMap<String, Object>();

    //  
    private int start;
    //  ?
    private int limit;
    //  ????
    private int totalCount;

    private int chartWidth = 600;

    private int chartHeight = 450;

    private SearchBean[] queryBean;

    public int getChartHeight() {
        return chartHeight;
    }

    public int getChartWidth() {
        return chartWidth;
    }

    public int getLimit() {
        if (limit == 0)
            limit = DEFAULT_LIMIT;
        return limit;
    }

    public SearchBean[] getQueryBean() {
        return queryBean;
    }

    public Map<String, Object> getResultMap() {
        return resultMap;
    }

    public int getStart() {
        return start;
    }

    public int getTotalCount() {
        return totalCount;
    }

    public boolean isFirstSearch() {
        return totalCount == 0;
    }

    public void putChartResultList(JFreeChart chart) {
        StandardEntityCollection entityCollection = new StandardEntityCollection();
        ChartRenderingInfo info = new ChartRenderingInfo(entityCollection);
        String filename = "";
        try {
            filename = ServletUtilities.saveChartAsPNG(chart, getChartWidth(), getChartHeight(), info, null);
            String mapName = "map" + new Date();
            String mapInfo = ChartUtilities.getImageMap(mapName, info);
            resultMap.put("success", true);
            resultMap.put("filename", filename);
            resultMap.put("map", mapInfo);
            resultMap.put("mapName", mapName);
        } catch (IOException e) {
            resultMap.put("success", false);
        }
    }

    @SuppressWarnings("unchecked")
    public void putResultList(List data) {
        resultMap.put("totalCount", totalCount);
        resultMap.put("success", true);
        resultMap.put("data", data);
    }

    public void setChartHeight(int chartHeight) {
        this.chartHeight = chartHeight;
    }

    public void setChartWidth(int chartWidth) {
        this.chartWidth = chartWidth;
    }

    public void setLimit(int limit) {
        this.limit = limit;
    }

    public void setQueryString(String queryString) {
        this.queryBean = SearchFactory.getSearchTeam(queryString);
    }

    public void setResultMap(Map<String, Object> resultMap) {
        this.resultMap = resultMap;
    }

    public void setStart(int start) {
        this.start = start;
    }

    public void setTotalCount(int totalCount) {
        this.totalCount = totalCount;
    }
}