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Editor to share with you how to copy files through the JAVA NIO indirect buffer, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Copy files through the JAVA NIO indirect buffer

/ * copy files through JAVA NIO indirect buffer * * @ param sourcePath source file path * @ param targetPath destination file path * / public static void copyFileByChannel (String sourcePath, String targetPath) {FileChannel outChannel = null; FileChannel inChannel = null; FileInputStream fis = null; FileOutputStream fos = null; try {fis = new FileInputStream (sourcePath); fos = new FileOutputStream (targetPath) / / get channel inChannel = fis.getChannel (); outChannel = fos.getChannel (); / / allocate buffer of specified size ByteBuffer buf = ByteBuffer.allocate (1024); while (inChannel.read (buf)! =-1) {/ / convert to read data mode buf.flip (); / / write to disk outChannel.write (buf) / / clear the buffer buf.clear ();}} catch (Exception e) {e.printStackTrace ();} finally {/ / close the stream try {if (outChannel! = null) {outChannel.close ();} if (inChannel! = null) {inChannel.close () } if (fis! = null) {fis.close ();} if (fos! = null) {fos.close ();}} catch (IOException e) {e.printStackTrace ();} these are all the contents of the article "how to copy files through the JAVA NIO indirect buffer". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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