validation « Development « Java I/O Q&A





1. Using P4Package (Java) from Java app to validate Perforce directory    stackoverflow.com

In a web-app I'm writing, the user is supposed to enter the path in the Perforce repository for the node they're entering. The application is supposed to validate that the ...

2. How can I set globals to JSLint to ignore for a whole set of files?    stackoverflow.com

I'd like to run JSLint4Java as part of my build process. I have about 1000 JS files in a library, and don't really want to add a

/*globals foo, bar, baz ...

3. Is there a way in Java to determine if a path is valid without attempting to create a file?    stackoverflow.com

I need to determine if a user-supplied String is a valid file path (i.e. if createNewFile() will succeed or throw an Exception) but i don't want to bloat the file system ...

4. how to validate first the 2 file name, before comparing the content?    stackoverflow.com

this code is used to compare the content of 2 text files, but i need to validate first, that the names of those 2 file is not same. can you help me to ...

5. How do I validate a Word 2007 File against wml.xsd with Java?    stackoverflow.com

I would like to validate a given Word 2007 XML file against the Schema defined in wml.xsd. How could it be done in Java? Loading the Schema with the following line is not ...

6. Design patterns for validating a file    stackoverflow.com

We have to validate a CSV file containing various configuration parameters. Are there any standard design patterns to do this type of validation. More details:

  • There are different types of records - ...

7. SAX Parser and XML Schema (XSD) validation    stackoverflow.com

Which Java XML libraries can do SAX-based parsing and validation against an XML Schema (XSD) at the same time? I'm really looking for the most efficient solution for reading and validating large ...

8. Active directory employee number validation    stackoverflow.com

I have this issue with new employee number format, when I search Active Directory for example with "07789", it returns me a result.But if I take the "0" off and search ...

9. How to validate object serialization mechanism?    stackoverflow.com

I'm trying to validate that my custom Java object is serialized/de-serialized properly, and I can use this serialization mechanism with files, streams, etc. This is the test I created. Is it ...





10. How to check whether a (String) location is a valid saving path in Java?    stackoverflow.com

I am receiving a string from user which should be used as a location to save content to a file. This string should contain enough information, like a directory + file ...

11. Moving files after failed validation (Java)    stackoverflow.com

We are validating XML files and depending on the result of the validation we have to move the file into a different folder. When the XML is valid the validator returns ...

12. Best way to validate directory and file structure    stackoverflow.com

I have an interface where user can upload zip file containing one or more zips and flat files.

Example directory structure -
Main.zip
 - one.zip
   - one
   - one/sample
 ...

13. scanner input validation    coderanch.com

I'm a learn by doing type, so I decided to create a simple program to multiply two inputs using java.util.Scanner . Deciding I need to validate my input to make sure I multiply numerics is a challenge for a novice like me. Originally, I thought I could use nextDouble and simply verify that whatever I accept is in fact a double ...

14. XSD Validation    coderanch.com

15. File validation after File Upload    coderanch.com

Hi, I am supposed to upload a file which should be of type csv. Now after I upload the file from my jsp I am using the jakrta file upload utility to write it to some specified folder. But the functionality requuires me to verify that the file is truly a csv file before I write it to the specified directory. ...

16. How can validate input field file .    coderanch.com

hi all, i ave been raking my head over this problem and don't seem to find a way. I am using com.oreilly.servlet.MultipartRequest to upload files form a html page through file input type. This allows me to type any non existent file name. and then i genrate i jsp page which shows file upload succesful message. How can i check where ...





17. Validate a file    coderanch.com

Hi Ranchers, I need to find whether the files in a directory is corrupted or not.. we have some pdf's which gives some error like "this document is corrupted" or some thing like this in a directory. I need to find out which of the files were giving this errors..I cannot open each file to chek for the error. hence i ...

18. validate a file extension    coderanch.com

Hi, I doing a server that upload and saves files, it's working fine. But, I need to let only some extension (like txt and jpg), I'm using the file extension, if it's different I refuse, but a user can rename the file extension before the upload and bypass it. I found a software called JMimeMagic, it's good, but works with most ...

19. How to validate french chars? (Base on external file name)    coderanch.com

I see, so you know the list of characters you want to accept. In that case a simple regex which only accepts those characters might be the best way to do this. (I don't know why you would want to apply such a limitation to the file name, but that's a separate question.)

21. Validate each line of a file    coderanch.com

Hi! I have a file with some lines and I have to validate each line by retrieving a number in these lines. I'm using the Scanner class to retrieve my lines, but when I need to retrieve the number (in position 80 by example), i don't have an other idea than to use the substring method, someone has a better idea? ...

22. how to validate aXML file and store it in object using java    coderanch.com

Welcome to the Ranch! How far are you already with the assignment; can you read the file already with a SAX parser? If your question is on how to do validation against an XSD, then you can find information and examples for that on the web, for example: The Java XML Validation API. How to store the values in a Java ...

23. File validation    forums.oracle.com

24. Validation before uploading file(s)    forums.oracle.com

Hi I'm writing a web app using JSP. User has txt file that stores the names of the data files and some other info about these files. Web interface provides the two input boxes, first for txt file location on the client machine and the second for the directory where the data files are located (also on the client machine). I ...

25. File path Validation    forums.oracle.com

Hi, I need to display an error message if the file path is wrong. how to identify the wrong file path. For Eg: if i give C:\programs\myfolder\file.txt. file.txt is available in the above mentioned path. If i delete "programs" then i have to display error message how can i idenitfy the wrong path. Can I do this in java?? -vignesh

26. upload file validations    forums.oracle.com

hi , i want to validate FileAttachment If i give more than 2MB,it is not enter inside the loop at all .this is my code if(attachmentFileName != null){ try{ InputStream inputStream = new FileInputStream(attachmentFileName); if(attachmentFileName.length() > ApplicationDefs.TWO_MB){ addActionError("Sorry your file is size is greater than 2 MB"); return; } if(inputStream.available() == 0){ addActionError("Invalid file format"); return; } if(!isValidFileFormat(attachmentFileName)){ addActionError("Invalid file format"); ...