How to check the the size of a pdf file in java ??

Hi,

We are using Open Office UNO for pdf conversion. I want to check the size of the pdf file.
I need to compare the size of 2 pdfs. How can I do??

Please suggest. Thanks in Advance.

Quote:

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Originally Posted by DMaharana

Hi,

We are using Open Office UNO for pdf conversion. I want to check the size of the pdf file.
I need to compare the size of 2 pdfs. How can I do??

Please suggest. Thanks in Advance.

---

I assume you want the size of the file measured in bytes (what else?) Have a look at the File.length() method.

kind regards,

Jos

Thank You Jos,

I did one mistake(forgot to mention the extension). Its working using file.length().
Its giving 1kb less for each pdf. I can able to resolve the issue now.

Quote:

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Originally Posted by DMaharana

Its giving 1kb less for each pdf. I can able to resolve the issue now.

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Can you elaborate on that because I don't understand; the File.length() method returns the size of the file measured in bytes and it is accurate.

kind regards,

Jos

Hi Jos, Please find the code snippet I used to get the size of the file.

Code:

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File file = new File("C:/test.pdf");
        long filesize = file.length();
        System.out.println("1:::" +filesize);
        long filesizeInKB = filesize / 1024;
        System.out.println("Size of File is: " + filesizeInKB + " KB");

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test.pdf is originally 9kb. It gives the size as 8kb.
same for all files.

I need to compare pdf files. So it won't be a problem for me.

Thanks

Quote:

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Originally Posted by DMaharana

Hi Jos, Please find the code snippet I used to get the size of the file.

Code:

---

File file = new File("C:/test.pdf");
        long filesize = file.length();
        System.out.println("1:::" +filesize);
        long filesizeInKB = filesize / 1024;
        System.out.println("Size of File is: " + filesizeInKB + " KB");

---

test.pdf is originally 9kb. It gives the size as 8kb.
same for all files.

I need to compare pdf files. So it won't be a problem for me.

Thanks

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That calculation rounds down; do this instead:

Code:

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long filesizeInKB = (filesize+1023) / 1024;

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or if you don't want to round up do this instead:

Code:

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long filesizeInKB = (filesize+512) / 1024;

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kind regards,

Jos

Ever heard of truncation in integer division?

db

Quote:

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Originally Posted by DarrylBurke

Ever heard of truncation in integer division?

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Who? Me? No, please enlighten me ;-)

kind regards,

Jos

Quote:

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Originally Posted by JosAH

Who? Me? No, please enlighten me ;-)

kind regards,

Jos

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Boo hoo, just because you got in seconds before me :D: