download 2 « Operation « Java I/O Q&A





1. File download and request Forward    coderanch.com

Hello I want to send a file to browser and then want to send control to another jsp. i am sending a file to browser through following command which is opening in a new window.after that i want to forward the page to a jsp how can i do it response.setContentType("application/doc"); response.setHeader("Content-Disposition", "attachment;filename=\""+ "FullElementReport"+ ".doc\";");

2. File downloading    coderanch.com

3. Downloading Multiple Files    coderanch.com

4. Downloading Multiple Files    coderanch.com

Jeanne, My requirement says: I have to download 10 files in response to an HTTP Request. For each file the browser has to display save dialog box(10 times). This all should happen in a single HTTP Request. My requirements doesn't want to zip the files. Is there any way to achieve this? Can i say this requirement is not feasible to ...

5. Download file without getting a "File Download" prompt from IE.    coderanch.com

I have some java code in a servlet that generates an "xyz file" an sends it to the browser. I want IE to open the file in the associated application without prompting for a file download. (IE 6 on Windows XP) In Windows Explorer I went under - Tools - Folder Options - File Types - scroll down until you find ...

6. Downloading (opening) a file in a browser    coderanch.com

Howdy. I have inherited a web application that has a sort of "sourcesafe" feature on it. For example, a person can upload a file (which is stored as a BLOB in an oracle 8i database) via a friendly web page...and can then at a later date come back in and "check out" the version, modify it, and add the new version ...

7. Download .mdb File    coderanch.com

Hello. Can anyone tell me if it's possible to use java to download an .mdb file? What I'm trying to do specifically is automate a very tedious routine that includes downloading an Access database from my company's web host, making some modifications and then uploading the database back to where I got it. I need help with the uploading and downloading ...

8. downloading a huge file    coderanch.com

Hello , I have a search screen - where user enters a number of parameters and based on these inputs - system searches the database tables and gets the results System then generates a csv file and this is returned to the user The entrie activity is synchronous . The problem is - in the tables there are practically millions of ...

9. Download parts of file separately    coderanch.com

Hi, I'm trying to develop a download manager using java. I would like to make it multithreaded. Now, I would like to know how to download different parts of the file in separate threads. Example, If file size is 50M then it must be downloaded by 10 different threads, 10M in each. Is using the skip() method the only way or ...





10. downloading internet files with Java    coderanch.com

I'm not sure this is the correct forum for this topic, but I'll give it a try. I'm building a web application using java/struts/tomcat on a Fedora C6 operating system, and I need to be able to automatically login to certain websites and download pdf files daily. I was wondering if anyone knows a good java api for this purpose. Thanks ...

11. File download link    coderanch.com

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: ...

12. Problems with Multiple File Download    coderanch.com

Good day! I have a code that downloads multiple files from a database to a specified directory. It works well but when I check the contents of the file, somethis is wrong. I have downloaded 16 files and only file # 4,5,6,7 have the correct contents. I don't know why. Please help me. here's my code; statement = connection.createStatement(); rs = ...

13. Choosing 'open' in file download adds [1] to filename?    coderanch.com

Hi, I have a program where the user can download the file in csv format. I am using jsp and when the file dialog appears, if we choose open, the file name is having [1] appended to it. And the excel worksheet has a invalid name. Ex. File name - laksh.csv It appears as laksh[1].csv and worksheet name appears as ...

14. API For File Download    coderanch.com

Actually , am sorry the exception comes when i use JXL package to read the file . The exception is : jxl.read.biff.BiffException: Unable to recognize OLE stream and the code that produces this exception is : try { SrcDir=sRootPathUpload +File.separator +fileName; loadFile=new File(SrcDir); workbook = Workbook.getWorkbook(loadFile); } catch(Exception e) { bFileError=true; WriteLog1("ERROR In Creating Workbook "+e.toString(),sUploadLog); }

15. downloading a file in parts    coderanch.com

16. i cannot download file problem with IE    coderanch.com

Hi, I did a functionality which allows the user to download an excel sheet which contains the records in the database. When I press DOWNLOAD button in mozilla firefox it works correctly by downloading the excel file (filename.xls). I'm using the following code: response.setContentType("application/vnd.ms-excel"); response.setHeader("Content-disposition","attachment;filename=filename.xls"); But when i press DOWNLOAD button in Internet Explorer6.0 i am unable to download the excel ...





17. urgent problem with webobjects and downloading files    coderanch.com

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 ...

18. Which Files to Download from Sun    coderanch.com

I started the Head First Java book which directs me to download and install the J2SE 5.0 SDK (not BETA) and the API. I found Java EE 5 SDK which says it includes the API and JDK 5.0 Update 7. I can't find the API for the Update 7 file. I'm confused. Can anyone direct me to exactly what it is ...

20. Bad file download problem    coderanch.com

private void downloadLAndB(HttpServletResponse res, String filename)throws IOException { String fullPath = "/tmp/file/"; System.out.println("file name and path==>"+fullPath); File badOrLog_file = new File(fullPath+"Accts.bad"); if (!badOrLog_file.exists()) { System.out.println("file doesnt exist"); return; } else { System.out.println("file exists!!!!!!!!"); int filesize = (int)badOrLog_file.length(); res.setContentType("application/octet-stream"); res.setContentLength(filesize); res.setHeader("Content-Disposition","attachment;filename="+fullPath); ServletOutputStream out = res.getOutputStream(); byte[] data = new byte[filesize]; DataInputStream in = new DataInputStream(new FileInputStream(badOrLog_file)); in.readFully(data); in.close(); out.write(data); out.flush(); out.close(); System.out.println("flushed ...

21. Downloading Specific Files    coderanch.com

22. Problem while downloading file    coderanch.com

23. Download file issue    coderanch.com

Hi, I have a problem during downloading a file from database. I first upload file under file name and using uploadinterceptor. Now when I downloading, I create a .jsp page which list files in database, providing link to each of them to download. When user choose file, request goes to action (let say action with name -Download) that action further process ...

24. file downloading concept    coderanch.com

25. file downloading concept    coderanch.com

hi frds, I am a beginner in java. i need all your support to go with java developing..See friends, I am going to include downloading concept in my web application. In my home(jsp) page,i will have 3 categories. they will be themes, games, wallpapers. for category there will be 5 images will be placed. When the user wants to download particular ...

26. file download !    coderanch.com

27. Opening .torrent files for download in java    coderanch.com

Hi hopefully this will be an easy question to answer. I've finished coding an applet that can be used to download files. However I do not wish for the files to be downloaded directly to the drive and I want the user to be able to select where to save the file using the NATIVE open/save browser feature (not JfileChooser). To ...

28. IllegalStateException after canceling file downloading.    coderanch.com

Hi All, I am providing a file download option to the user in my web-application. Suppose user selects cancel the downloads, I am getting IllegalStateException. I am using tomcat and spring MVC. Kindly let me know how to handle this exception. here is my code which downloads the file: public void downloadFile(HttpServletRequest req, HttpServletResponse resp, String pathOfFile) throws IOException { File ...

29. Downloading HTML files    coderanch.com

30. How to implement file downloading functionality ?    coderanch.com

Hi all, I am developing a web application which provides very large data files(file size is equal to about 500 MB) for downloading. Can anyone tell me, how to implement this ? Also I want to know , what is FTP file downloading & HTTP file downloading ? Which one I should use ? Regards Ritesh

31. Using wget from java code to download files    coderanch.com

Hello, I am trying to implement a program which, among other things, will have to download automatically a number of pdf files I have found using Google. Instead of building something from scratch, I assumed that I could invoke the Linux wget: String commandString="wget http://www.google.com"; try { Process process = Runtime.getRuntime().exec(commandString); } catch (IOException e) { // TODO Auto-generated catch block ...

32. File download larger than 1GB    coderanch.com

33. file download time    coderanch.com

34. File download - file name doesnot appear    coderanch.com

Hi, We are using a ServletOutputStream to send a file to the user for download. The code is as below. It reads a file off the disk (C:\abc.zip) and streams it to the user for download. The name of the downloaded file should have been abc.zip. BufferedInputStream bstr = new BufferedInputStream(new FileInputStream("C:\abc.zip")); BufferedInputStream bstr = new BufferedInputStream(fin); int size = (int) ...

37. How to download a file without save/open dialogue box ?    coderanch.com

Hi everybody, i am using below code to only download PDF and DOC file to loacal system but problem is it is showing save/open dialogue box which is not meeting my requirment..can any body please tell me how can i download a file without that dialogue box..? response.setContentType("application/octet-stream"); response.setHeader( "Content-Disposition", "attachment; filename=\"" + fileName() + "\"" ); Thanks and Regards, Lokesh ...

38. download files with scandic letters    coderanch.com

Hi, My java program is writing contents to a excel file and naming it with scandic characters(). When the file is exported to a Windows machine I am able to view and download the same from my jsp. But when the file is exported to a Linux machine I am unable to view and download the same file. Is it something ...

39. Problem of downloading and displaying a MOV file    coderanch.com

Hello, I did a small web app that can upload and download/display movie files. The web app runs on my notebook (64-bit Windows 7 Professional). On my notebook, I installed QuickTime and I am able to view MOV movies. I can also view mpeg movies via Windows Media Player. When I upload a MOV file, I am able to go to ...

40. How can I bypass the download dialogue box while downloading a file.    coderanch.com

Sudir Nim gives the best option, but keep in mind, the "save" dialog box is a function of the browser, and not the server. How the browser behaves when any file is accessed is based on the configuration of the browser. With Sudir Nim's suggestion, the server gives a "hint" to the browser (it's not telling it to save via content-disposition), ...

41. Download files with resume support    coderanch.com

I'm trying to design an open source, java based download module. I'm still in the proof of concept stage though. I've made the code necessary to download a file, but to test the resume feature, I would terminate the process before the download finished and then restart it. But when it restarts, it deletes the file and makes a new one ...

42. problems in downloading epub files    coderanch.com

Hi All i have written the following code to download epub files pResponse.setContentType("application/epub+zip"); pResponse.setHeader("Content-Disposition","attachment;filename=xyz.epub"); File file = new File("E:\\myFolder\\xyz.epub"); FileInputStream fileIn = new FileInputStream(file); ServletOutputStream out = pResponse.getOutputStream(); byte[] outputByte = new byte[4096]; //copy binary contect to output stream while(fileIn.read(outputByte, 0, 4096) != -1) { out.write(outputByte, 0, 4096); } fileIn.close(); out.flush(); out.close(); After downloading, epub file is not opening. It is ...

43. Issue with Download using ZipOutputStream    coderanch.com

public void generateExcelFile( String filePath, String queryStr, String loginName) throws GenericDBAccessException, Exception { FileOutputStream fileOut = null; ResultSet rs = null; Connection conn = null; PreparedStatement pstmt = null; String[] sheetHeader = {"A", "B","C", "D", "E", "F", "G", "H", "I", "J", "K"}; int rowCount = 0; try{ if(filePath != null && filePath.length() > 0){ fileOut = new FileOutputStream (new File(filePath)); } ...

44. Downloading a file from web site    coderanch.com

Hi, i need to download a file from a web site, mimicking the behavior of a user who goes on site and click the link. problem is, the link is not the URL to the file itself, but rather a link that triggers the download (not sure what is the technical name for those. the kind that opens a small window ...

45. How to download a file in IE?    coderanch.com

Something what should be so basic seems like it is going to require a more technical solution. By default IE opens up certain documents (ie Word docs) instead of downloading them when clicking on a link to a file. Is there a way around this in Java that works for all versions of IE? I have read around and found lots ...

46. download file/image?    java-forums.org

hello, I use this code/thread to download an image from the internet. but The image is unreadable. I used a better method before but I couldnt let it check if it is interrupted, thats why I use this code: Java Code: import java.io.BufferedInputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.MalformedURLException; import java.net.URL; public class download implements Runnable { ...

47. Java download file    java-forums.org

It could well be a copy of the Java API documentation in windows help format. Google has lots of hits for this file (or something like it). Java Documentation in Windows Help format (WinHelp and HTMLHelp) has supplied Java documentation in this format for some years. I just checked and their most recent offering is a zip file whose contents includes ...

48. File Downloader: getting progress out the download    java-forums.org

I have this code to download a specified file at the specified path and name, but i cannot get it to display the percent already downloaded, or the file size of the download, or the amount i have already downloaded. These three operations are in the edit() method, and i tried to call it in the downloading loop, but then it ...

49. file download works in Firefox but not IE    forums.oracle.com

Hi All, I have the code below, fds = new FileDataSource(fileName); response.setContentType("text/html;charset=UNICODE"); response.setHeader("Cache-Control","public"); response.setHeader("Content-Disposition", "attachment; filename=\"" + fds.getName() + "\""); is = fds.getInputStream(); in firefox its asking the path where to download the csv format file. But in IE one pop-up is opened and it says "To help protect your security, Internet Explorer blocked this site from downloading files to your ...

50. Downloading Files?    forums.oracle.com

Well I did read and look at some examples, however they were all downloading HTML pages I apologize for not investigating more. I guess I should have assumed that downloading an HTML page was practically the same as downloading a binary file. Thanks for the help sorry to waste the bandwidth =/.

51. Downloading a file    forums.oracle.com

52. how do I download http file    forums.oracle.com

53. Java file download - form feed    forums.oracle.com

Previously using Windows 2000 with Java 1.3.0. Able to download text files from a customer site direct into Excel via a custom application. The first two characters in the file were Carriage Return and Line Feed. Have now upgraded the workstation to XP and Java 1.5.0.6. The first character in the download from the same source is a Form Feed which ...

54. downLoad to File    forums.oracle.com

55. Download file    forums.oracle.com

56. File Download problem from remote location    forums.oracle.com

Hi.. I have written a servlet which will fetch the document from the directory and prompting to open/save the file by clicking HREF links. There is no problem in save and open the document after. But when i tried to open the file directly, it throws the window error like The path or file name for C:\Documents and Settings\user\Local Settings\Temporary Internet ...

57. how to open the documents directly from File Download window    forums.oracle.com

Hi.. I have written a servlet which will fetch the document from the directory and prompting you to open/save the file by clicking HREF links. There is no problem in save and open the document after. But when i tried to open the file directly, it throws the window error like The path or file name for C:\Documents and Settings\user\Local Settings\Temporary ...

58. Programmatically download file in java    forums.oracle.com

I'm not sure if this is the right place to put this but I have somewhat of a tricky question. There's a website that I log in to with a username and password. Then I navigate a few links around the site to find a file I want to download, then I download it. I'd like to be able to do ...

59. Adding Java download header to html files.    forums.oracle.com

I have a small java script applet I am adding to my website. I don't know Javascript but know enough to add it to my .html document for my website. What I am looking for is what to add to my html file so that if someone opens it and does not have java installed it will prompt them to download ...

60. Downloading Files    forums.oracle.com

Hi, I am trying to make an icon on my jsp page that will download a related file of the record displayed. The files are stored in a different directory on the server. I am not sure what the file type will be (some will be complicated drawings requiring CAD software to open them). What is the best java standard way ...

62. downloading file    forums.oracle.com

Hi all, i have jsp page where i have written coding for downloading file.....it is working fine in IE with low security.... but with IE medium and high security...it blocks the file for downloading...why does IE block the download if user himself wants to download the file by clicking Download button.. .. is their any coding such that IE does not ...

63. file download fromserver    forums.oracle.com

64. download file from a websie    forums.oracle.com

Hi, I want to automatic the following process for downloading a file from website (one click) 1. open website e.g. (http://aa.com/), it will pop out a user name/password msgbox 2. enter the username and passport, and log into the website 3. there's a botton on the website, which calls javascript.dosubmit(), click this botton to download the file and save it to ...

65. Why can't I download the file through Java?    forums.oracle.com

66. Download file by going to website and submitting a form    forums.oracle.com

I have used Apaches's HttpClient to make POST requests but the problem is that I can't see from the html code what request I should make in order to get the zip file that I want to have. I have tried different combinations, such as the one below, but they all result in zip files that are damaged and can't be ...

67. File Download results with corrupted file. End of File problem    forums.oracle.com

Sorry, missed that part, I saw you reading in the body of the text and thought you may have missed it. Do you have any exceptions thrown? or empty exception handler bodies? If you're getting reads of length 0, then I'd say that is a fairly good indicator that something's wrong. Pick an arbitrary value--say 10, and if you get 10 ...

69. Need help making java download a file.    forums.oracle.com

Alright so to get started, I am not that new to Java, I have been working with it for around 3 years. I am only 14, so you will have to explain everything to me. what i am trying to do is, make Java download a file from a hot link address, as in "www.site.com/file.zip", and place it in a directory, ...

70. Downloading many files on one go    forums.oracle.com

You need to download each one separately unless the site you download them gives the option to download them all at once (in which case you'd have to figure out how to do that). Why open a new Window? Just use URL.openConnection() to get a connection. This way you can easily download each file.

71. File Download    forums.oracle.com

haha I just read over it and your right. The problem had to do with authentication, I was getting a 407 error. I solved it by using a direct connection instead and now arrived at a new problem. A lot of pages, especially horse racing results pages, do not have URLs that end in a filename. The code fails if the ...

72. Remove spaces from filename while downloading    forums.oracle.com

Hi, I have made simple upload download example,where user can upload and download images or fv files. Iam facing following problems: 1.When i download any file and if that filename contain spaces e. if file to download is "image ice cream.jpg" then in download window it displays only "image" rest "ice cream.jpg" it neglects. ,when i URLEncode this using URLEncoder.encode(name); //where ...

74. download files    forums.oracle.com

In the future, JSP related questions should be posted in the JSP forum: [http://forum.java.sun.com/forum.jspa?forumID=45] Downloading files is relatively easy: put a link to the file in your JSP page! If the files are available in the public webcontent, then you can just point the link path to that file. If the files are not available in the public webcontent, then just ...

75. downloading files from other system    forums.oracle.com

76. File downloading problem    forums.oracle.com

77. file download    forums.oracle.com

78. File download with progress monitor    forums.oracle.com

You should use PMIS.read() for your PMIS to work. But he is. He is calling bin.read(), which is a DataInputStream stacked over a BufferedInputStream over a ProgressMonitorInputStream over the connection's input stream. All those streams call the read() method of the next lower stream. Otherwise they wouldn't work ... I don't see the point of starting a separate read thread if ...

79. file missing from download    forums.oracle.com

Is there another file I need besides the JSDK1.5.0_07 download on the Sun site? I downloaded it (64,949MB -- my firewall won't accept the download and install -- besides, I have dial-up.) and have installed it four times. I also changed my path to the new location. When I tried to compile a file, I got the infamous "javac is not ...

80. Move large file download directly from browser to peripheral device    forums.oracle.com

The client machine will be downloading large binary files (probably either via a web service or servlet) and my plan is for the client to be in a web browser (not an applet, though). My problem is that I want this browser app to be able to seamlessly transfer the binary file to a user's peripheral or mobile device to store ...

81. Download file inaccuracy    forums.oracle.com

The encoding of the downloaded file matters when you convert the bytes to string. If you construct the string directly with the bytes, you'll get the default charset for the jvm, and that will not necessarily match the downloaded content. Take a look at the API doc for String(byte[] bytes, String charsetName) to get a better idea of what this is ...

82. File Download    forums.oracle.com

83. stop downloading a file    forums.oracle.com

No way. If the browser can display the page, it has access to the contents. You can try to do tricks like redefining/catching some browser events (like not letting the user to do "save") but it is of limited use and depends on the browser. The files will be found in the browser's cache anyway.

84. Problem with multiple file download    forums.oracle.com

Hi, What you're doing is, reading the image as a byte stream using the getBinaryStrean() method and writing it as characters using the PrintWriter class. I think this is the point where u have made the mistake. You should only use the FileOutputStream's write() method to write a stream of bytes since the image file's content is bytes and not char's. ...

85. Popup - File Download    forums.oracle.com

I have a jsp which uses window.open() method to open a PDF / Zip file. window.open(escape(pageName),"Invoice","location=right,menubar=no,resizable=no,titlebar=no,width="screen.width", status=no,toolbar=no,height="screen.height",left=0,scrollbars=yes,top=0"); My requirement is to capture the action performed by the user in case of PDF and Zip files. i.e whether the user opened or saved the PDF document / ZIP file. In case of PDF, the document gets opened in a new popup window ...

86. how to compress a large file before downloading it?    forums.oracle.com

this is my first post i have a large excel sheet or a number of excel sheets that r generated using Jakarta poi...so b4 downloading them i hav 2 compress them into any zipped format like Zip or Gzip ..... i dont know how to Start n really confused at this stage how to do that...

87. file download problem    forums.oracle.com

That code is all very well, but if it is in a Java scriptlet embedded in a JSP then you're going to get at least some whitespace, and possibly other crud, from the JSP in the response. Why? That's what JSPs are for. Don't use them for file downloads, that's what servlets are for.

88. How to download files from sever?    forums.oracle.com

Problem is nothing.i need to download a text file in sun solaris server to the external users who want to download this file, they are using windows server.i try this code in windows server it works,but while place that text file in sun server and it downloads not in a proper format. could you give me an idea?

89. File Download with Hrefs?    forums.oracle.com

90. Downloading of file    forums.oracle.com

im facing a problem regarding with downloading of file... after i download my file from my database the file that i have generated is empty, i dnt know what else to do can someone help me with this problem. here's my code.. any help is greatly appreciated protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String fileName = "Sample.doc"; ...

92. How to Download JPEG file?    forums.oracle.com

Hi. I have one Jsp Page. I needed to provide a facility to download an jpeg image. For that i write one link. On that link i give path of that image, so instead of giving a option to save or open, a browser open it in browse. No i want to donwload, save that image when user click on that ...

94. Problem downloading file in Internet Explorer    forums.oracle.com

Hi, I have a problem with Internet Explorer. I want to click on a link that references a file with .dat extension, then select "Open" option and view the file in Notepad (I have the mapping with .dat files and Notepad). When I click on it, if I select "Save" option, the file is stored in disk correctly. But if I ...

95. non latin file name downloading problem    forums.oracle.com

96. downloading files from a location    forums.oracle.com

97. Multiple file downloads issue    forums.oracle.com

98. Download file    forums.oracle.com

99. Downloading Multiple files from Serverside    forums.oracle.com

Hi frnds , i need to download the multiple file from serverside .I am displaying files in a tree structure with checkbox using servlet. Now i want to download files ,which are all checked . please if anyone knows cn u send me the code .it is urgent .. Regards, Ramesh P paramasivan.ramesh@antaressytems.com

100. download file    forums.oracle.com

Hi, Why do you want to know this? I think that it will be very hard to implement. There are some companies which forces their users to use a proxy which is doing scanning of the data which is downloaded. The proxy could have downloaded everything but the client only received half of it when the connection got broken. Kaj