This problem seems to happen inconsistently. We are using a java applet to download a file from our site, which we store temporarily on the client's machine.
Here is the ... |
I have a problem, which I do not seem to be able to solve...
I do a http download of a file, but the CRC32 of the file on the server and ... |
I'm trying to download a file over HTTP and store its contents in a String, as the title says. My approach is thus:
URL u = new URL("http://url/file.txt");
ByteArrayBuffer baf = new ByteArrayBuffer(32);
InputStream ...
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I want to test whether a certain action results in a file download (a) at all, and (b) with the file having a certain name.
Is there any way to use Selenium ... |
I have a class that i use to do downloads. The class is observable and i use it as a swing UI model object too. However it is too slow, both ... |
I'm writing a JUnit test that involves the downloading of a file from the web app. How do I do that with HtmlUnit?
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(original title: help a newbie (Java))
I need a java code for downloading files from the internet ..For example I want to download doc,pdf files from the internet means i have to ... |
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I was wanting to add multiple connections in the code below to be able to download files faster. Could someone help me? Thanks in advance.
public void run() {
...
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I am building an application in which I want to download large files on handset (mobile), but if size of file is large I am getting exception socket exception-broken pipe.
resp.setHeader("Content-length", ...
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I have a J2ME app using midp 1.0 and i want to download a file much like I would using midp 2.0 platformRequest().
What do i do?
Michael
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I've written code to automatically download a batch of files using an InputStream and a FileOutputStream.
The code is very straightforward:
is = urlConn.getInputStream();
fos = new FileOutputStream(outputFile);
eventBus.fireEvent(this, new DownloadStartedEvent(item));
int read;
byte[] buffer = new ...
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I want to easily allow my users to fetch a PDF file located on my hard disk.
How could I "push" the file to them so the download/open file prompt opens for ... |
I'm creating a simple download manager in java and I want to be able to download files from rapidshare as a premium user. I checked their API, but that didn't make ... |
I have to download an arbitrarily large file in base64 in a device with limited RAM memory in Java.
How do I download a file in base64 efficiently? Is it possible to ... |
I want to automate file download using java. How to do that? Is it possible to give file location directly. Because it is not accepting back slash.?
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How do I go about connecting to a server and check if there is a file to be downloaded using Java ME?
Should I use POST method, post all my required ... |
So here's the deal:
I am accessing some webpage(using HtmlUnit) on which there's a button. I programatically click that button(big thanks to Mads Hansen)
List l = page.getByXPath( "//input[@type='submit' and @value='Save as XML']" ...
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public void download(String url, String destination) {
BufferedOutputStream localBufferedOutputStream = null;
URLConnection localURLConnection = null;
...
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I've tried a few byte while loop methods and this method below:
try {
URL dl = null;
...
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How can I use the library to download a file and print out bytes saved? I tried using
import static org.apache.commons.io.FileUtils.copyURLToFile;
public static void Download() {
...
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I would like to download somefiles which is in remote shared folder from the local system using java code. Can you please guide us, how i can proceed this. Whether i ... |
I am trying to download a file from http server using httpconnection. Can I get the size of the file before I download. If so, how do i do that?
... |
I want to directly read a file, put it into a string without storing the file locally. I used to do this with an old project, but I don't have the ... |
Given the following example code:
somefile = new URL("http://somefile.rar");
ReadableByteChannel rbc = Channels.newChannel(somefile.openStream());
FileOutputStream fos = new FileOutputStream("test");
long start = System.currentTimeMillis();
fos.getChannel().transferFrom(rbc, 0, 1 << 24);
long end = System.currentTimeMillis();
System.out.println(end-start);
The file in question is 14MB. ... |
I would like to write simple Java downloader for my backup website. What is important, applet should be able to download many files at once.
So, here is my problem. Such applet ... |
I am new to JWinAuto and AutoIT.
I want to click the save button on the File Download control.
I am able to get the focus on the button but it doesn't click ... |
During automated testing using Selenium-2 we are clicking on the link and which opens the "File Download" window. And I want to click on "save" button and save the file to ... |
If I save an mp3 file via a browser, the third-party library is normally working with him, if I shake myself through HTTP, then the third-party library with him unable to ... |
I wrote simple Java Downloader and I have some problems with speed.
At first, speed is OK - just like when I use my browser to download this file. But after a ... |
Possible Duplicate:
How do you Programmatically Download a Webpage in Java
How to download a file using java. So for example, I want to construct a ... |
I'm doing a project on java download manager.i want to download a single file(which is in some website) with multiple connections(just like download Managers do,example-IDM).Is this possible in java ?.if yes ... |
I've been trying to write a program in java that can download a number of .gz files from an ftp server online for me. Here's what I've been using:
public static void ...
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I'm working on downloading a file on a software, this is what i got, it sucesfully download, and also i can get progress, but still 1 thing left that I dont ... |
We are generating links to CSS and JavaScript files from our JSP Page. These CSS and JS files are organized in Locale specific folders. Now we need to download the file ... |
I'm trying to distribute a Java Browser build upon MozSwing. When I click on a download link in the HTML page I'm surfing, application freezes. Do you have any hint?
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I am going to write an application server(RESTFull API) to allow clients to download a zip file, but requirement is the download must be resume-able (due to failure / Network disconnection).
Is ... |
When I am trying to download a large file which is of 260MB from server, I get this error: java.lang.OutOfMemoryError: Java heap space. I am sure my heap size is less ... |
I have a Java project which is used as a component in a webapp. This java code writes an xls file in a specific folder. I want to provide a download ... |
I am not able to download large files from the net ( more than 1 mb file ). However, my program is able to download those large files from the localhost. ... |
I'm having this weird problem with HtmlUnit in Java. I am using it to download some data from a website, the process is something like this:
1 - Login
2 - For each ... |
I am working in Project where I download content from another site and pass that content to my Downloading user. I am using Java IO. Its like pipe . I want ... |
that's fine . could you provide any ref site here . i couldn't get any related thing in Google. if poss please provide . |
Hi, we got a big problem in our company. All developers sittint in front of the same project and writing and updating some classes. The problem is, that on every little PC another api is used. And so, some things work on one machine but not on the other and you search hours for finding the problem that it was just ... |
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Hi All During working with the Oracle bank our research team came up with questions . Please send me any information or procedure steps regarding these topics so that I could have a more effective use of Oracle8i 1. The bank I am using is the Oracle 8i bank with an interface of Web object 4,5. All of the bank data ... |
Hi, I want to write a program where I have to download the files of any type in chunk sizes. For example: If the size of file is 2 MB & the server does not allow to download it completely in one request, then I have to download it in suppose 5KB sizes. Can you please tell me how can I ... |
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Jason I had downloaded "Sun(TM) ONE Studio 4 update 1, Community Edition - J2SE(TM) 1.4.1_02 Cobundle". It comes with the IDE and J2SE. I am programming using the IDE. But when I wrote a "import corejava.*" in my program, the compiler could not identify the package. It gave an error. Should I make some changes in the classpath, so that the ... |
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hello i have written the code , fairly as below for file download String filename = "C:\\a.xls"; response.setContentType("application/octet-stream"); response.setHeader("Content-Disposition", "attachment;filename="+filename); ServletOutputStream out1 = response.getOutputStream(); File fileToDownload = new File(filename); FileInputStream fileInputStream = new FileInputStream(fileToDownload); int i; while ((i=fileInputStream.read())!=-1) { out1.write(i); } fileInputStream.close(); out1.flush(); out1.close(); }catch(Exception e) // file IO errors { e.printStackTrace(); } a.xls contains japanese characters .i am unable to ... |
Hello all, I have a set of images on a machine (windows machine) on my Intranet. Let me refer this machine as 'A'. I have an application Hosted on Tomcat on another Machine (windows machine). Let me refer this machine as 'B'. Now i have the Java code to retrieve the images from A to B. But as a pre-requisite i ... |
hi all, I am developing pages for Clarfy 12.5 CRM web application. We are using Weblogic app server 8.1. One of my requirements is, on click of hyperlink, a file is to be created dynamically and downloaded at a particular location on the client's machine. In case the file is already present, it has to be over written. is there any ... |
Hi, I am trying to provide a feature to users to download multiple files from our web server. For example: A user can select mulitple checkboxes from a list of URLs in a page and by clicking a button, he should be able to save all the selected files (pointed by the URLs) to a directory of his choice on his ... |
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Hi I gave the following in my jsp page Click Here When I click the link "Click Here" the file log.txt is opened in the IE browser itself... But i want it to show the download dialog box with the open save buttons [which we can see while we download attachments in yahoo] In java do we have ... |
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I've written a servlet which creates either a comma delimited file whose suffix is .csv, or a XML format file which ends with .xml. I create these using a FileWriter/BufferedWriter/PrintWriter combo and output to a directory under webapps\bax (using Tomcat). In my JSP program I have some HTML ( |
If you forward to a URL using a request dispatcher, the target of the forward needs to be something that handles requests, like a servlet or JSP. It is not the file you want to download. To download a file, you can read the file and write its contents to the servlet output stream, as long as you do the following: ... |
I need to know if there is any way that we can do a multiple file download using servlets, NOT using Client pull (cause we cannot use Javascript), and save the files as separate files and not as a single file, and all this in one single connection.. the user should not have to keep chosing the file which he wishes ... |
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Ya i tried with that also. But it promts to Save as/ Open it from current location in IE, not in Netscape. My requirement is, user should not be prompted , instead open in the browser directly.when the user click the download , i am opening a small pop-up window and in that the image should be displayed.. please clarify with ... |
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Hi, I'm currently working on file uploading and downloading from client site to the server's site. One problem that I'm facing currently is after I downloaded files from the jsp, I received an "Error on page" error. When I double click on the exclaimation icon at the bottom left corner, the message details says that "Access is denied". I managed to ... |
I have a .zip file stored in my database in a BLOB field and I want my web site user to download this file when he/she clicks on a web page button. Here is what I do in my servlet: response.setContentType("application/octet-stream"); byte[] b = /*get the BLOB field from my database*/ OutputStream out = response.getOutputStream(); out.write(b); out.flush(); out.close(); When the user ... |
Hi Everybody, We have been having some problem with file download. When we try to download pdf document using IE browser and choose to "Open from Current Location", it prompt again the same dialog. If we choose to "Open from Current Location" again, it prompts again with the same dialog. Now if we choose "Open from Current Location", it opening in ... |
Hi, I have a servlet that works fine for downloading excel files. However, while download, I get the usual DialogBox which asks me to choose between "Save to Disk" or "Open from current location". Is there a way by which I can force my user to only be able to "Save to Disk" and not able to open from current location. ... |
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Hello Folks, Iam getting the following exception while redirecting a page after the completion of file download... "IllegalStateException or Response already commited" My servlet code for file download is as follows: import java.io.*; import java.util.zip.GZIPOutputStream; import javax.servlet.*; import javax.servlet.http.*; public class DownloadServlet extends HttpServlet { public DownloadServlet() { separator = "/"; root = "."; } private String decode(String s) { StringBuffer ... |
Hi ! I have a servlet and here is what it does: -Dynamically builds a J2ME application using Ant. -Copies some files of the application to /webapps/dload/apps Next these files have to be downloaded. I want that download should start automatically. To achieve this functionality I am using response.sendRedirect(URL)method. But download does not start. I am geting the following error on ... |
my question is this: is it possible to download a file from the application server to the client THROUGH JAVA CODE and then cancel the copy of the downloaded file on the server? My application calls a PL/SQL stored procedure which create a file on the server and I need to have it on my client. Thanks |
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I am having a file in the server which is to be downloaded. for that one link with the file name is provided. on cliking the link the following code is called. ServletOutputStream sos=null; response.setHeader("Content-Disposition","attachment; filename="+st/*.substring(temp+1)*/); response.setContentType("application/download"); FileInputStream bufReader = new FileInputStream(request.getRealPath(st)); int line=bufReader.read(); sos = response.getOutputStream(); sos.flush(); while(line!=-1){ sos.write(line); line=bufReader.read(); } bufReader.close(); sos.flush(); the problem is 1. when the save ... |
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hi, I am developing a servlet, which will send user a file and also a successful page by clicking on a single button on a page. I have no problem with sending user a file...... but i don't know why I could never send the successful page across, there is no error and it seems the browser just ignore the successful ... |
My servlet gets a request, and I respond by sending a file. That works okay, but after I get done pushing the file, I'd really like to go somewhere else. But I guess I'd need two requests... one to request the download, and another request to go somewhere else. So what's the 'right' way to do that? Would you do two ... |
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Hello. I am working on a site that allows the user to download information to an Excel file. If I use the following code: .AppendHeader("content-disposition", "inline; filename=" & FileName) The Excel file displays in the current browser window after I click "Open" in the File Download box that appears. However, the user wants the Excel file to appear outside the browser ... |
I'm using a servlet to send a binary file for the user to download. Here are the headers I'm sending: resp.addHeader("Content-Type", "application/octet-stream"); // Prevent caching resp.addHeader("Cache-Control", "no-cache, must-revalidate"); resp.addHeader("Expires", "Mon, 26 Jul 1997 05:00:00 GMT"); // prefer download instead of in-browser view resp.addHeader("Content-Disposition", "attachment; filename=$extfname"); // fsize is the filesize as reported by File.length() resp.addIntHeader("Content-Length", fsize); But the dialog from my ... |
Hello everyone, These days I am working on a project, and I am facing some problem in it. The thing is that I need to display some results as a result of the database query, and I need to provide a link so that user can download the file by clicking on it. I want to dynamically assign the file-name (as ... |
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I have experienced that behaviour you describe sometimes and it usually doesnt have to do with the database or the file. Do you need a session or a identification so that the file can be downloaded? If so you have to bear in mind that some applications such as word or excel download the file themselves outside the navigator with their ... |
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Hello to all... i have written a code for just viewing a binary format file stored in a database when view button is clicked. It is working properly..giving the desired result..when server is running. Later i wanted to modify the code..to ..not only to view the image or file..etc. but give an option to save the file to the local system.But ... |
Hi, In my servlet I am trying to let the user download a file using the following code: response.setContentType("application/msword"); response.setHeader("Content-Disposition","attachment; filename=wordfile.doc"); This works fine in Netscape, but when trying to do this in IE (including IE 6.0) the filename is the name of the servlet and not the file name specified. Is there anyway to fix this? If IE cannot handle ... |
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Hi, I am trying to download a file stored in Database(in a blob).I am just reading it and writing output to outputstream. inputstream is = blob.getBinaryStream(); BufferedInputStream in = new BufferedInputStream(is); and then writing it to output ServletOutputStream out = response.getOutputStream(); byte[] buffer = new byte[4 * 1024]; int data; while((data = in.read(buffer)) != -1){ out.write(buffer, 0, data); I am setting ... |
I have used CommonsFile to upload a file to my server and write the BLOB into the database. When i retrieve the Blob from the database how can i provide it for the user to download as file. Should i write it to a File before i send it to the client. or can i send the Input/Output stream directly to ... |
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I have to give the user an option to download a csv file I have created a link which points to this file in the server but when user clicks on the link rather than downloading the file the csv file is displayed in the browser We are following FrontServlet Architecture hence Streaming the file as the response or response.setHeader is ... |
public class POTD extends HttpServlet { public void doGet(HttpServletRequest request, HttpServletResponse response) { response.setContentType("application/jar"); ServletContext sc = getServletContext(); InputStream is = sc.getResourceAsStream("/test.jar"); int read = 0; byte[] bytes = new byte[1024]; try { OutputStream os = response.getOutputStream(); while ((read = is.read(bytes)) != -1) { os.write(bytes, 0, read); } os.flush(); os.close(); } catch (Exception e) { } } } |
Looks fine to me. As to adding the double quotes, you could create a method that adds them at the beginning of a line, the end of a lne, and before and after each comma, and then prints the whole line to the output. This only works if the data contains no commas, of course. And if it contains no commas, ... |
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Hi, I am a beginner in website development in java. I wish to develop a website that allow users to download zip files from the web. The zip files are stored in another FTP server (with login and password) different from the web server. I only know that one of the way is to add the link below in the webpage: ... |
Hello all javaranch: I have a jsp a link to download the file that I get from database as BLOB. I am using spring, so I have a controller, go get the file from database, and outstream the file and instream, but when I click on the links download, the dialog box not display, to allow me SAVE or OPEN file. ... |