Example usage for org.apache.commons.fileupload DefaultFileItem write

Introduction

In this page you can find the example usage for org.apache.commons.fileupload DefaultFileItem write.

Prototype

public void write(File file) throws Exception 

Source Link

Document

A convenience method to write an uploaded item to disk.

Usage

From source file:ca.myewb.frame.PostParamWrapper.java

private File safeFileReplace(File file, DefaultFileItem item) throws Exception {

    File temp = new File(file.getPath() + file.getName() + ".tmp");

    //If the file exists, rename it .tmp
    if (file.exists()) {
        file.renameTo(temp);//  w  w w . j  a  v a 2  s  .  com
        log.info("Old file renamed to " + file.getPath());
    }

    item.write(file); //write the file

    log.info("New file saved as " + file.getPath());

    //delete the temporary file
    if (temp.exists()) {
        temp.delete();
        log.info("Temporary file deleted from " + temp.getPath());
    }

    return file;
}

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From source file:ca.myewb.frame.PostParamWrapper.java

public boolean saveJpeg(String name, int userid) throws Exception {
    DefaultFileItem item = ((DefaultFileItem) fileParams.get(name));

    if (item.getName().equals("")) {
        return false;
    }//  w  ww. j  a  v  a 2 s .c  om

    String userIdStr = Integer.toString(userid);
    String userPicturesDir = Helpers.getUserPicturesDir();
    String fullPath = userPicturesDir + "/fullsize/" + userIdStr + ".jpg";
    String thumbPath = userPicturesDir + "/thumbs/" + userIdStr + ".jpg";
    String minithumbPath = userPicturesDir + "/minithumbs/" + userIdStr + ".jpg";
    String screenPath = userPicturesDir + "/screensize/" + userIdStr + ".jpg";

    File file = new File(fullPath);
    File thumbnail = new File(thumbPath);
    File minithumbnail = new File(minithumbPath);
    File screensize = new File(screenPath);

    try {
        file.delete();
        item.write(file);

        String command = "";

        thumbnail.delete();
        command = "convert -thumbnail 200x200 -quality 100 " + fullPath + " " + thumbPath;
        Runtime.getRuntime().exec(command).waitFor();
        if (!thumbnail.exists()) {
            throw new Exception("no file: " + thumbPath);
        }

        minithumbnail.delete();
        command = "convert -thumbnail 75x -quality 100 " + fullPath + " " + minithumbPath;
        Runtime.getRuntime().exec(command).waitFor();
        if (!minithumbnail.exists()) {
            throw new Exception("no file: " + minithumbPath);
        }

        screensize.delete();
        command = "convert -thumbnail 800x600 -quality 100 " + fullPath + " " + screenPath;
        Runtime.getRuntime().exec(command).waitFor();
        if (!screensize.exists()) {
            throw new Exception("no file: " + screenPath);
        }

        return true;
    } catch (Exception e) {
        Logger.getLogger(this.getClass()).error("jpeg error: " + e, e);

        file.delete();
        thumbnail.delete();
        minithumbnail.delete();

        return false;
    }
}

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