• Home
• com.fastchar
• FastChar
• 1.0
• source code
• FastOutError.java

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

com.fastchar.out.FastOutError Maven / Gradle / Ivy

package com.fastchar.out;

import com.fastchar.core.FastAction;
import com.fastchar.core.FastChar;
import com.fastchar.core.FastConstant;
import com.fastchar.utils.FastStringUtils;

import javax.servlet.http.HttpServletResponse;
import java.io.PrintWriter;

public class FastOutError extends FastOut {

    public FastOutError() {
        this.contentType = "text/html";
    }

    private static final String PoweredBy = "FastChar";

    public String toHtml() {
        if (data == null) {
            data = getDescription();
        }
        String description = data.toString()
                .replace("\n", "
")
                .replace("\t", "        ");
        String html = "";
        if (getStatus() == 500) {
            html = "
HTTP Status：
500
Message：
An error occurred on the server!
Description：
" + description+ "
Powered By：
" + PoweredBy + "
Version：
" + FastConstant.FastCharVersion + "
";
        }else if (getStatus() == 404) {
            html = "
HTTP Status：
404
Message：
Http url does not exist!
Description：
" + description+ "
Powered By：
" + PoweredBy + "
Version：
" + FastConstant.FastCharVersion + "
";
        }else if (getStatus() == 502) {
            html = "
HTTP Status：
502
Message：
The Http response is not received!
Description：
" + description + "
Powered By：
" + PoweredBy + "
Version：
" + FastConstant.FastCharVersion + "
";
        }
        return html;
    }

    public String getErrorPage() {
        if (getStatus() == 500) {
            return FastChar.getConstant().getErrorPage500();
        }else  if (getStatus() == 502) {
            return FastChar.getConstant().getErrorPage502();
        }else  if (getStatus() == 404) {
            return FastChar.getConstant().getErrorPage404();
        }
        return null;
    }

    @Override
    public void response(FastAction action) {
        try {
            HttpServletResponse response = action.getResponse();
            if (FastStringUtils.isEmpty(getErrorPage())) {
                response.setHeader("Pragma", "no-cache");
                response.setHeader("Cache-Control", "no-cache");
                response.setDateHeader("Expires", 0);
                response.setStatus(getStatus());
                response.setContentType(toContentType());
                response.setCharacterEncoding(getCharset());

                PrintWriter writer = response.getWriter();
                writer.write(toHtml());
                writer.flush();
            }else{
                response.sendRedirect(FastChar.wrapperUrl(getErrorPage()));
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}