1. How to handle references to Files properly within an application? stackoverflow.comi have always wondered how to handle Files in applications. Say we have an Object containing several data about a File like a UUID and the reference to the file on ... |
2. Freeing java file handles stackoverflow.comWe have a rather large and complex application written in Java which is running on top of the Gridgain package. The problem I am having is that this application will sit ... |
3. Handling DoS due to unresponsive remote hosts stackoverflow.comDuring a server start-up procedure, I access a remote host for some initialisation data. Unfortunately, the remote host in question is notorious for being randomly unresponsive to connections (lets say 3% ... |
4. How can I tweek Xstream to handle XML to Java objects that include attributes and values? stackoverflow.comFor example, how would form an object from XML written like this? |
5. Java File Handling, what did I do wrong? stackoverflow.comWrote up a basic file handler for a Java Homework assignment, and when I got the assignment back I had some notes about failing to catch a few instances:
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6. related to java file handling stackoverflow.comIn Java how can I take the data of my file on my display screen? I want to use data in my file and also want that data to be displayed on ... |
7. File handling in core java stackoverflow.comI need to do some housekeeping.I accidentally setup my classpath same as my codebase and all classes are placed along with my code.I need to write a quick java program to ... |
8. File handling java stackoverflow.comWhile trying to do some operation with files the code goes like this, BufferedReader and InputStreamReader were also included can you explain this with a ... |
9. how to handle set of files in Java stackoverflow.comCan anyone help to code java to process each word file in a folder having multiple files. |
10. Try/Catch or IF for handling missing Files? stackoverflow.comIs it better to try/catch exceptions or to use if statements to handle the different outcomes? I am writing a short program in Java to copy files for convenience, and use the ... |
11. File handling in java stackoverflow.comI have the below code. The below source code is from the file x.java. The hi.html is present in the same directory as x.java. I get a file not found exception even though ... |
12. How To Handle Large File Uploads stackoverflow.comI want to create a simple file upload server. The server should be able to handle files of 10 GB size each, and around 10,000 files. I wonder what is the best ... |
13. File handling in JAVA coderanch.comThe given data file is as follows 01234222Australia$0.40 53667India$6.80 654864Singapore$0.80 000000 01234222..15 53667..20 here There the first number represents country code, second is the country name and third is the amount charged per min. Now we have to check to the point 000000. Till 000000, it represents the IDD code and the corresponding charges. After 000000 comes the actual data. The ... |
14. Help regarding File Handling coderanch.comYou have just to compare with the API: 1.) The "true" is written as (byte) 1. So you have 1 2.) The "123456" is written as an integer of four bytes, the system is, let v be the int: 1. (byte) (0xff & (v >> 24)) 2. (byte) (0xff & (v >> 16)) 3. (byte) (0xff & (v >> 8)) 4. ... |
15. API for file handling coderanch.comWhy reinvent the wheel? The File class already does what you say you want to do and it does it at a very low level. Never the less, if you want to write your own API, I suggest you download the jdk1.3 source and look at the following classes. The File class makes calls to the FileSystem class to access the ... |
16. Handling Large Files coderanch.comI'm working on a File Transfer program for my class. Right now I'm converting the file into a byte array. However, when I try to convert a file that is of 90 meg size, I get a Exception in thread "main" java.lang.OutOfMemoryError error. But I don't get it when I do it to a 45 meg file. So, I was wondering, ... |
17. file handling problem coderanch.comYou listed of a bunch of little problems: get, find, search, retrieve, put. I'd suggest you solve them one at a time. Compared to trying to write the whole thing in one huge chunk, that approach gives you regular little doses of success and actually causes your code to be better organized. Think about writing two things at once: the code ... |
18. Handling Chinese/Multibyte character coderanch.com |
19. Help... File Handling.... coderanch.comHi everyone, Can anyone give me some idea regarding this matter, ah... I wanted to read a specific file like ("DirectoryName.txt") then will get some specific details in the files like a specific surnamename... can anyone brief me.. all I know is I will open the said file using FileReader then create a while loop to read all the details inside ... |
20. File Handle Limit coderanch.comI've run into what appears to be a 2KB limit on the number of concurrent open files. Windows 2000 or 2003; JDK 1.4.2 The error occurs in a native method : java.io.FileInputStream.open() The error does not occur in JDK 1.5 I'm assuming its something along the lines of : the JVM is using some old NT4 limit as a default. I ... |
21. Handling File Rollover coderanch.comIm trying to simulate the unix tail command in java. I found the following code which does what I need: BufferedReader IN = new BufferedReader(new FileReader("errors")); EXECUTE = true; String line; while(EXECUTE){ line = IN.readLine(); if(line != null){ //do something with the text...... } else{ try{ Thread.sleep(500); } catch(Throwable t){} } } The issue is that once per day the file ... |
22. Handle is invalid!!! coderanch.comHi i am developing an application which goes like this f= new FileOutPutSTream(fil2); b = new BufferOutPutStream(f); while(resultSet.next()){ b.write(resultSet.getString("asda").getBytes()); b.write(resultSet.getString("asda").getBytes()); b.write(resultSet.getString("asda").getBytes()); b.write(resultSet.getString("asda").getBytes()); //Calling a method which calls an insert SP insertASD(String,String,String); } If I have the insertASD() method then an IOException (The handle is invalid). If I remove the call insertASD() method thus not inserting into the database,I dont get the ... |
23. help on handling cabinet (.cab) file with Java coderanch.comDear all, I would like to ask about handling a cab file using Java. I need to extract an existing cab file, put some extra information inside and compress/zip it back to cab file. This cab file will be read by mobile phones (Windows Mobile). Is there any java library that can handle this? I try to use a zip class, ... |
24. How to handle randomly generated files? coderanch.comMy servlet will generate a different file for each client. And I want the client to be able to download it and save it with a certain extension, say, *.PDF The generated file is small, probably just about 1K, and it does not need to stay long on the server. Somebody in this forum told me that I can store it ... |
25. File Handling coderanch.comHello, I am working on a program where I have a input file seperated by comma. I want to pull out the different columns and based on there values need to do some calculations and again generate output file with the result. I have to give Input file location, Customer name and output file location from command line and rows with ... |
26. I Need help with file handling coderanch.comHi Kristian, There are a few problems here but you're almost there. The first thing is - you can catch a null pointer exception but really you shouldn't be trying to catch it - you should be trying to prevent it from arising. The problem in this case is the while clause. It reads every line until it reaches the end ... |
27. IO Handling coderanch.com |
28. File handling... coderanch.comHey ... i need code for the following (Urgent)..can anyone help me out in this... open a text document... given a particular position..(Position given as concerned to the whole file)... take the position value from keyboard.. U hav to manipulate the value that is there.. also to do the same thing given particular position in particular line number... |
29. File IO can't handle Strings? coderanch.coma) InputStreams are for reading raw data, while Readers are for reading text. Although what you've written works OK for ASCII files, it won't work for other character sets, limiting the portability of your code. You can instead write something like public String readFileIntoString(String filename) throws IOException { char[] buffer = new char[100]; FileReader reader = new FileReader(filename); try { StringBuffer ... |
30. File Handling coderanch.comHi I am always stuck in FileHandling of Java.THere are so many classes & types to read & write . Can anybody suggest me some links /reference materials ,where i could find ABC's of File handling ,asa i want to learn it from scratch. No book or links i find as sufficient & smooth for me to learn File handling. Thnx ... |
31. help on handling cabinet (.cab) file with Java coderanch.com |
32. doubt regarding file handling coderanch.com |
34. How does java.io.File handle edge cases? coderanch.comI'm thinking, for example, of a filename on a UNIX system that might have a '/' embedded in it because it was transferred from a MS system. There doesn't seem to be a way to create such file names, and there is nothing in the documentation (that I can see) that discusses how such cases are handled. Any comments? Thanks, Ken ... |
35. how to handle different charset with ProcessBuilder? coderanch.comI am trying to execute the a command using process builder. But that command is having some Japanese Character. So it is executing the command but result is not as expected. command i tried : 1) echo 2) mkdir "d:\test\ " OS: XP SP2 result: some chunk char are getting displayed. See here a sample code which i tried ... |
36. How do I handle End of File in this situtation? coderanch.comYou shouldn't use the catch to proceed with normal execution. I would put the try/catch inside the while loop. That might be what you need to do... that way, when there are no more objects, the application moves forward. There's probably even a better way than that though..... Hope that helps, Janeice |
37. i/o and File handling coderanch.com |
38. File handle coderanch.comI think of a file descriptor as an integer. Technically, it's an index into a kernel data table of currently opened files, but even to a C programmer it's just a return value from certain system calls, which might need to be passed as a parameter to other system calls. A file handle is a higher level data structure in C, ... |
39. Regarding File Handling java-forums.orgI was going to ask why not have a structured file that allows for both the storage of the file name path and the image icon, such as on the same line, using delimiters, or fixed field delimted, or an XML format? Or maybe to have a file structured where every odd line is the file path and every even line ... |
40. Java/OS File Handling java-forums.orgI've just started building graphical applications with Java in the last month and I've been trying all sorts of interesting things. My latest project is a very simple, lightweight text editor(see attached). What I'd like to do, is to be able to click on a text file in the operating system's shell, and have my little text editor open it. Is ... |
41. Some Basic file handling questions java-forums.orghey i've just moved onto file handling but the way ive learnt to handle files seems a bit untidy and i was wondering if there is a better way to handle files compared to how i am doing it. below is my code What i dont like about this code is that im creating 3 objects all of different classes to ... |
42. About File handle... java-forums.orgHello Friends... I am trying to delete a file using some code. But it's not getting deleted with delete() function of 'File' class. I had been told that it might be getting used by some other program. So Please tell me is there anyway we can check whether the file is being used by some other program or not? Thanks. Bye... ... |
43. File handling java-forums.orgLet me clarify a bit, As of now, I'm using the Tomcat 6.0 that's built-in with NetBeans 6.9.1, which is installed on Windows XP SP3. What my friend told me is that I should have a different server that is running on a Linux box. I think the OS that's available here is Solaris 9 or 10. My concern now is ... |
44. File handling java-forums.org |
45. File handling java-forums.org |
46. File handling java-forums.org |
47. File handling java-forums.org |
48. File handling. java-forums.orgHello everyone. There's this assignment that I have to work on and for that, I have to open an HTML file in JCreator and save it in a string. Then I have to search the string with the HTML file in it for some tags. If you guys could help me out with opening the file and saving it to a ... |
49. doubt on file handling forums.oracle.com |
50. m new to this forum + new to java please help me with file handling program forums.oracle.comhi i want to make a file handling program where in i want to input a text file say f1 whose style is mentioned as below aaa...bcd aaabbc acdce a..dd abbcd now i want to write d out put of file f1 to file f2 but only those string entries widout any ... in them how to do that :-(( please ... |
51. file handling forums.oracle.comso in the end i would like the data in the file to be something like this: respondent postcode age *** q1 q2 q3 1 418886 23 m 00100 100000 001 2 123456 24 f 00010 010000 100 3 145674 36 m 01000 001000 100 for every question, there is a different range of possible response. the '1' marks where the ... |
52. help with file handling forums.oracle.com |
53. Files Handling forums.oracle.com |
54. Problem related file handling forums.oracle.comI have stored nos as 1 2 3 4 5 6 7 8 9 in textfile sort.txt. now from java i want to find sum of these nos I did coding as follows but not getting output try { int s = 0: FileInputStream fis = null; fis = new FileInputStream("F: sort.txt"); int m = fis.available(); byte a[ ] = new ... |
55. File Handling forums.oracle.comwell this is what i have done; import java.io.*; class FileTester { public static void main (String args[] ) { // file handling is enclosed in a try/catch block as methods called // may throw exceptions. try { // set up a Reader on the input file FileInputStream fis = new FileInputStream("c:\\temp input.txt"); InputStreamReader isr = new InputStreamReader(fis); BufferedReader bf = ... |
56. handle a file in RAM forums.oracle.comhi all, I am implementing a logic to group an amount of files in one encrypted file. the user can view a file from that encrypted group when ever he want, But he shouldn't be able to get it back as file. just open or view it. so i think i need to save the file open it, then delete it ... |
57. File handling and generating output forums.oracle.com |
58. Handling File I/0 forums.oracle.com |
59. file handling forums.oracle.comHow can I put this politely? Fock off. You were provide some links earlier. I'm sure they provide code examples. If you are really short on time (not that is any of our concern) then why waste time here whining when you could be reading those links and learning stuff for yourself. |
60. Handling large tsv files forums.oracle.comI need to handle large tsv-like files (up to 100 MB +). Those files in fact pure tsv files (tab separated value) with one line of header. I must add some line, remove another, change some value, etc... I used to load the entire file in RAM in a List |
61. File Handling issue forums.oracle.comHi I am a newbie. I am parsing a csv file line by line and wish to write certain fields(some mapping etc involved) of each line of the csv file into an excel file using jexcel(jxl) api. I cannot figure out how to do the two tasks simultaneously. Would appreciate help. Thanks in advance. |
62. File handling forums.oracle.comZipFile zFile = new ZipFile(tempFile); Enumeration zipEntries = zFile.entries(); String logFile = null; String fExtn=null; String gbsFile=null; while(zipEntries.hasMoreElements()) { ZipEntry zEntry = (ZipEntry)zipEntries.nextElement(); String fName = zEntry.getName(); fExtn = fName.substring(fName.length()-3); fName=fName.substring(fName.indexOf("/")1); File f; File fDir = new File(TMPHome" BRCFiles"); fDir.mkdirs(); f=new File(fDir,fName); FileInputStream fis=new FileInputStream(f); BufferedInputStream inr= null; FileOutputStream fout=new FileOutputStream(f.getPath()); BufferedOutputStream out=new BufferedOutputStream(fout); byte [] fileData = null; int readCount=0; ... |
63. Handling large file in (excess of 50MB...) ? forums.oracle.comi am not doing it belive me it being done in a loop 64 KB at a time... regardingBase64 i dont have much idea i have been using it as its a 3rd party library and has worked for me previously i will try looking into it But i dont understand why the Heap space error...? i tried increasing the vm ... |
64. IMP: FILE HANDLING QUERY forums.oracle.comI was trying to get the available list of directories first then create the Logic for searching a particular file inside the Listed Set since part A of my code is not working that' s why i posted it for corrections in the same i.e SAY the recurse algo keeps looking into Directories > Sub directories> Sub(sub directoried).... and so on ... |
65. QUERIES REGARDING FILE HANDLING forums.oracle.comI am a C / C++ programmer shifting to java i had some queries regarding file handling I have a no of queries regarding java file handling 1.does java provide file pointer manupulation like c does?? 2.how can i specify a file to be opened by a specific tool if so the method? eg:- a txt document has to be opened ... |
66. Multiple File Handling forums.oracle.com |
67. How to handle multiply properties.files in combined applications forums.oracle.com |
68. File Handling forums.oracle.comHello friends, I have an ArrayList |
69. dynamic file handling ?? forums.oracle.comi have created one java file dynamically..and after that i m compiling that new create java file.. suppose i have created temp.java file and after compilation temp.class has been created .. after doing some operation i want to delete that temp.class file .. it is showing some access denied prob. again i m modifing temp.java file and once again i want ... |
70. File Handling forums.oracle.comcan any one of you please tell me how to make the file in unread mode. actually my requirement is that i have suppose 5 file and i want to read all the file only when all the 5 files are present in the directory so when all the file present in the directory then it will read the file from ... |
71. Help needed regarding file handling forums.oracle.com |
72. File Handling forums.oracle.comHi you might want to have a look at the classes ResourceBundle and Properties. A properties file consists of key/value pairs. You can read this file and then iterate through the contents and replace the keys (left hand side values) by your new values. Then you can store the contents in a properties file again. regards BB |
73. File Handling forums.oracle.com |
74. Best method to handle the content of several files into only one ? forums.oracle.comHi all, I am currently looking for the best solution to handle several file contents into a unique file, like a sort of archive. The goal is to develop a desktop application based on an API providing file encryption/decryption into a "box". I need to have a single file because I want to make it easy to travel on network, removable ... |
75. File handling forums.oracle.comHi, I'm playing around with file handling, and I want to edit a file (read until I find the appropriate line, and then write something else). I'm currently playing around with bufferedwriter and filewriter, but this just deletes my entire file when initiated. Is there a better way to do this, or do I have to load the entire file into ... |
76. file handling forums.oracle.com |
77. File I/O handling forums.oracle.com |
78. handling ttf file using java forums.oracle.com |
79. File handling forums.oracle.comParsing a CSV file is not difficult. Here's an outline of one approach: 1. Open a buffered reader and read in the file one line at a time 2. Use a string tokeniser (or regular expression) to split the line into tokens 3. These tokens are the data for that line. Getting the file from your client is the tricky part ... |
80. Java File Handling forums.oracle.com |
81. handle core dump file forums.oracle.com |