codes.thischwa.c5c.requestcycle.response.mode.Download.java Source code

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Here is the source code for codes.thischwa.c5c.requestcycle.response.mode.Download.java

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/*
 * 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.response.mode;

import java.io.IOException;
import java.io.InputStream;

import javax.servlet.http.HttpServletResponse;

import org.apache.commons.io.FilenameUtils;
import org.apache.commons.io.IOUtils;

import codes.thischwa.c5c.FilemanagerAction;
import codes.thischwa.c5c.requestcycle.response.GenericResponse;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonProperty;

/**
 * Holds the data for a Download GenericResponse.
 */
public final class Download extends GenericResponse {

    private String fullPath;

    private long contentLength;

    private InputStream in;

    public Download(String fullPath, long contentLength, InputStream in) {
        super(FilemanagerAction.DOWNLOAD);
        this.fullPath = fullPath;
        this.contentLength = contentLength;
        this.in = in;
    }

    @JsonProperty("Path")
    public String getFullPath() {
        return fullPath;
    }

    @Override
    @JsonIgnore
    public void write(HttpServletResponse resp) throws IOException {
        resp.setHeader("Content-Type", "application/x-download");
        resp.setHeader("Content-Transfer-Encoding", "Binary");
        resp.setHeader("Content-Length", String.valueOf(contentLength));
        resp.setHeader("Content-Disposition",
                String.format("attachment; filename=\"%s\"", FilenameUtils.getName(fullPath)));
        IOUtils.copy(in, resp.getOutputStream());
    }
}