be.solidx.hot.web.deprecated.HotControllerImpl.java Source code

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Here is the source code for be.solidx.hot.web.deprecated.HotControllerImpl.java

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package be.solidx.hot.web.deprecated;

/*
 * #%L
 * Hot
 * %%
 * Copyright (C) 2010 - 2016 Solidx
 * %%
 * 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/gpl-3.0.html>.
 * #L%
 */

import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.util.Arrays;

import org.apache.commons.io.IOUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;

public abstract class HotControllerImpl {

    private static final Log logger = LogFactory.getLog(HotControllerImpl.class);

    protected boolean devMode = true;

    protected static final HttpHeaders httpHeaders = new HttpHeaders();
    static {
        httpHeaders.put("Content-Type", Arrays.asList("text/html; charset=utf-8"));
    }

    protected InputStream loadResource(String path) throws IOException {
        if (devMode) {
            return be.solidx.hot.utils.IOUtils.loadResourceNoCache(path);
        } else {
            return getClass().getClassLoader().getResourceAsStream(path);
        }
    }

    protected void printErrorPage(Exception e, Writer writer) {
        try {
            StringWriter stringWriter = new StringWriter();
            PrintWriter printWriter = new PrintWriter(stringWriter);
            e.printStackTrace(printWriter);
            String[] splited = IOUtils.toString(loadResource("pages/error.hotg")).split("errorMessage");
            writer.write(splited[0] + stringWriter.toString() + splited[1]);
        } catch (IOException e1) {
            logger.error("", e1);
        }
    }

    protected ResponseEntity<String> printErrorPage(String errormessage) {
        try {
            String[] splited = IOUtils.toString(loadResource("pages/error.hotg")).split("errorMessage");
            return new ResponseEntity<String>(splited[0] + errormessage + splited[1], HttpStatus.OK);
        } catch (IOException e) {
            logger.error("", e);
            throw new RuntimeException(e);
        }
    }

    protected String extractStackTrace(Exception e) {
        StringWriter stringWriter = new StringWriter();
        PrintWriter printWriter = new PrintWriter(stringWriter);
        e.printStackTrace(printWriter);
        printWriter.flush();
        return printWriter.toString();
    }

    protected String errorReport(Exception e) {
        try {
            StringWriter stringWriter = new StringWriter();
            PrintWriter printWriter = new PrintWriter(stringWriter);
            e.printStackTrace(printWriter);
            String[] splited = IOUtils.toString(loadResource("pages/error.hotg")).split("errorMessage");
            return splited[0] + stringWriter.toString() + splited[1];
        } catch (IOException e1) {
            logger.error("", e1);
            return null;
        }
    }

    public void setDevMode(boolean devMode) {
        this.devMode = devMode;
    }
}