instream

("Copying files with channels .");EnsureTargetDirectoryExists (aTargetFile. getParentFile ());FileChannel inChannel = null;FileChannel outChannel = null;FileInputStream inStream = null;FileOutputStream outStream = null;Try {Try {InStream = new FileInputStream (aSourceFile );InChannel = inStream. getChannel ();OutStream = new FileOutputStream (aTargetFile, aAppen

(); conn. setRequestMethod ("GET"); // request conn in Get mode. setConnectTimeout (5*1000); // sets the connection latency. Because the memory of the android system is limited, you cannot establish a connection with the server for a long time. InputStream inStream = conn. getInputStream (); // obtain the Image data byte [] data = readInputStream (inStream) through the input stream; // obtain the image's b

streamStream reqstream = Req. getrequeststream (); // Open the local fileFilestream RDR = new filestream ("C: // ims ", filemode. Open ); // Allocate byte buffer to hold File ContentsByte [] indata = new byte [4096]; // Loop through the local file reading each data block// And writing to the request Stream BufferInt bytesread = RDR. Read (indata, 0, indata. Length );While (bytesread> 0){Reqstream. Write (indata, 0, bytesread );Bytesread = RDR. Read (indata, 0, indata. Length );} RDR. Close ();R

private key file format, the private key of a text file is actually converted into a binary file private key. Openssl converts private. pem to a private. der private key file: openssl pkcs8 -topk8 -inform PEM -in private.pem -outform DER -nocrypt -out private.derSSL/TLS server Next.MINA MINA can use SslFilter to implement SSL/TLS. The code for initializing SslFilter is cumbersome: Public class MinaServer {public static void main (String [] args) throws Exception {String certPath = "/Users/wucao

". Equals (pertag )){Person. setname (data );} Else if ("Age". Equals (pertag )){Person. setage (new short (data ));}}} @ OverridePublic void endelement (string Uri, string localname, string QNAME)Throws saxexception {If ("person". Equals (localname )){Persons. Add (person );Person = NULL;}Pertag = NULL;} Public list getpersons (){Return persons;}}Saxperson. JavaImport java. Io. inputstream;Import java. util. List;Import javax. xml. parsers. saxparser;Import javax. xml. parsers. saxparserfactory

11 12 13 14 15 16 17 18 19 20 21st 22 23 24 25 2. Dom parsing examplePublicClassDompersonservice {/** *@param instream *@return *@throws Exception * *PublicStatic listGetpersons (InputStream instream)Throws Exception {listNew Arraylist/** * File parsing */documentbuilderfactory factory = Documentbuilderfactory.newinstance (); Documentbuilder

First, the client obtains json data from the server. 1. Use HttpUrlConnection Copy codeThe Code is as follows :/** * Get an array from the specified URL * @ Param urlPath * @ Return * @ Throws Exception */ Public static String readParse (String urlPath) throws Exception { ByteArrayOutputStream outStream = new ByteArrayOutputStream (); Byte [] data = new byte [1024]; Int len = 0; URL url = new URL (urlPath ); HttpURLConnection conn = (HttpURLConnection) url. openConnection (); InputStream

classProgram {Static voidMain (string[] args) { //Create a path to downloadWebRequest req = WebRequest.Create ("Http://static.cnblogs.com/images/adminlogo.gif"); //respond to picture information using(WebResponse res =req. GetResponse ())//get the picture stream using(Stream instream =Res. GetResponseStream ())//Copy to local path using(Stream OutStream =NewFileStream (@"C:\users\administrator\desktop\c#oop

and _ AscB (MidB (Bin, 2, 1)) = hbb then Codes = "Utf-8" MsgBox Sourcefile "file for" Codes "non-ANSI Please note modify" ElseIf AscB (MidB (Bin, 1, 1)) = hff and _ AscB (MidB (Bin, 2, 1 ) = hfe Then Codes = "Unicode" MsgBox sourcefile "file is" Codes "non-ANSI note modify" ElseIf AscB (MidB ( Bin, 1, 1)) = hfe and _ AscB (MidB (Bin, 2, 1)) = hff then Codes = "Unicode big endian" MsgBox Sourc efile "File is" Codes "non-ANSI Please note modify" Codes = "Unicode" Else Codes = "gb2312" End if stre

(This.gethadoopsite () = "" | | This.gethadoopdefault () = = "") {return-1; else {this.conf = new Configuration (false); Conf.addresource (This.gethadoopdefault ()); Conf.addresource (This.gethadoopsite ()); Conf.set ("Fs.hdfs.impl", Org.apache.hadoop.hdfs.DistributedFileSystem.class.getName ()); Conf.set ("Fs.file.impl", ORG.APACHE.HADOOP.FS.localfilesystem.class.getname ()); return 0; } this.conf = new Configuration (); return 0; Public Conf

. java file: Package cn. itcast. service; import java. io. inputStream; import java.net. httpURLConnection; import java.net. URL; import cn. itcast. utils. streamTool; public class ImageService {/*** obtain network image data * @ param path network image path * @ return */public static byte [] getImage (String path) throws Exception {// get urlURL url = new URL (path); HttpURLConnection conn = (HttpURLConnection) url. openConnection (); // The HTTP-based connection object conn. setConnectTimeo

; import java. io. inputStream; import java.net. httpURLConnection; import java.net. URL; import cn. itcast. utils. streamTool; public class ImageService {/*** obtain network image data * @ param path network image path * @ return */public static byte [] getImage (String path) throws Exception {// get urlURL url = new URL (path); HttpURLConnection conn = (HttpURLConnection) url. openConnection (); // The HTTP-based connection object conn. setConnectTimeout (5000); conn. setRequestMethod ("GET");