codes.thischwa.c5c.requestcycle.Context.java Source code

Introduction

Here is the source code for codes.thischwa.c5c.requestcycle.Context.java

Source

/*
 * C5Connector.Java - The Java backend for the filemanager of corefive.
 * It's a bridge between the filemanager and a storage backend and 
 * works like a transparent VFS or proxy.
 * Copyright (C) Thilo Schwarz
 * 
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
package codes.thischwa.c5c.requestcycle;

import javax.servlet.http.HttpServletRequest;

import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import codes.thischwa.c5c.FilemanagerAction;
import codes.thischwa.c5c.UserObjectProxy;
import codes.thischwa.c5c.exception.C5CException;
import codes.thischwa.c5c.exception.FilemanagerException;

/**
 * Maintains the base request parameter.
 */
public class Context {
    private static Logger logger = LoggerFactory.getLogger(Context.class);

    /** action of the filemanager */
    private FilemanagerAction mode;

    /** the given path from url pram */
    private String urlPath;

    private HttpServletRequest servletRequest;

    /**
     * Initializes the base parameters.
     * 
     * @param servletRequest
     * 
     * @throws C5CException thrown if the parameter 'mode' couldn't be resolved
     */
    Context(HttpServletRequest servletRequest) throws C5CException {
        this.servletRequest = servletRequest;
        urlPath = servletRequest.getParameter("path");
        String paramMode = servletRequest.getParameter("mode");
        if (paramMode == null && servletRequest.getMethod().equals("POST")) {
            try {
                paramMode = IOUtils.toString(servletRequest.getPart("mode").getInputStream());
            } catch (Exception e) {
                logger.error("Couldn't retrieve the 'mode' parameter from multipart.");
                throw new C5CException(
                        UserObjectProxy.getFilemanagerErrorMessage(FilemanagerException.Key.ModeError));
            }
        } else {
            paramMode = servletRequest.getParameter("mode");
        }
        try {
            mode = FilemanagerAction.valueOfIgnoreCase(paramMode);
        } catch (IllegalArgumentException e) {
            logger.error("Unknown 'mode': {}", paramMode);
            throw new C5CException(UserObjectProxy.getFilemanagerErrorMessage(FilemanagerException.Key.ModeError));
        }
    }

    /**
     * Gets the mode (the action of the filemanager).
     * 
     * @return the mode
     */
    public FilemanagerAction getMode() {
        return mode;
    }

    /**
     * Gets the 'path' parameter from the url.
     * 
     * @return the parameter 'path' from the url
     */
    public String getUrlPath() {
        return urlPath;
    }

    /**
     * Gets the {@link HttpServletRequest}.
     * 
     * @return the servlet request
     */
    public HttpServletRequest getServletRequest() {
        return servletRequest;
    }
}