com.aurel.track.util.ImageServerAction.java Source code

Introduction

Here is the source code for com.aurel.track.util.ImageServerAction.java

Source

/**
 * Genji Scrum Tool and Issue Tracker
 * Copyright (C) 2015 Steinbeis GmbH & Co. KG Task Management Solutions
    
 * <a href="http://www.trackplus.com">Genji Scrum Tool</a>
 *
 * This program 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.
 *
 * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
 */

/* $Id:$ */

package com.aurel.track.util;

import java.io.IOException;
import java.util.Map;

import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.LogManager;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.interceptor.SessionAware;

import com.opensymphony.xwork2.ActionSupport;

public class ImageServerAction extends ActionSupport implements SessionAware {

    private static final long serialVersionUID = 1L;
    private static final Logger LOGGER = LogManager.getLogger(ImageServerAction.class);
    private Map<String, Object> session;
    private String imageProviderKey = null;
    private String imageProviderParams = null;
    private String imageFormat = null;

    /**
     * Write the image in the format given to the output stream
     */
    @Override

    public String execute() {
        System.out.println("IMAGE ACTION !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");

        ImageProvider imageProvider = (ImageProvider) session.get(imageProviderKey);
        if (imageProvider == null) {
            LOGGER.error("Image provider is Null for: " + imageProviderKey);
            return null;
        }

        Map configParametersMap = (Map) session.get(imageProviderParams);
        LOGGER.debug("imageProviderParams Name :" + imageProviderParams);
        LOGGER.debug("imageProviderParams Value :" + configParametersMap);

        if (imageFormat == null || imageFormat.length() < 1) {
            imageFormat = "png";
        }

        HttpServletResponse response = ServletActionContext.getResponse();
        response.setContentType("image/" + imageFormat);
        try {
            ServletOutputStream out = response.getOutputStream();
            imageProvider.writeImage(out, configParametersMap, imageFormat);
        } catch (IOException e) {
            LOGGER.error("Error on write Image:" + e.getMessage());
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug(ExceptionUtils.getStackTrace(e));
            }
        }
        return null;
    }

    /**
     * Write the image in the format given to the output stream
     */
    public String loadJSON() {
        System.out.println("LOAD JSON!");

        return null;
    }

    /**
     * @param imageProviderKey
     */
    public void setImageProviderKey(String imageProviderKey) {
        this.imageProviderKey = imageProviderKey;
    }

    public void setImageProviderParams(String imageProviderParams) {
        this.imageProviderParams = imageProviderParams;
    }

    /**
     * @param imageFormat
     */
    public void setImageFormat(String imageFormat) {
        this.imageFormat = imageFormat;
    }

    @Override
    public void setSession(Map session) {
        this.session = session;
    }

}