Начальный вариант проекта

.gitignore

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+/build/
+/dist/

build.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!-- You may freely edit this file. See commented blocks below for -->
+<!-- some examples of how to customize the build. -->
+<!-- (If you delete it and reopen the project it will be recreated.) -->
+<!-- By default, only the Clean and Build commands use this build script. -->
+<!-- Commands such as Run, Debug, and Test only use this build script if -->
+<!-- the Compile on Save feature is turned off for the project. -->
+<!-- You can turn off the Compile on Save (or Deploy on Save) setting -->
+<!-- in the project's Project Properties dialog box.-->
+<project name="SocketFileTransfer" default="default" basedir=".">
+    <description>Builds, tests, and runs the project SocketFileTransfer.</description>
+    <import file="nbproject/build-impl.xml"/>
+    <!--
+
+    There exist several targets which are by default empty and which can be 
+    used for execution of your tasks. These targets are usually executed 
+    before and after some main targets. They are: 
+
+      -pre-init:                 called before initialization of project properties
+      -post-init:                called after initialization of project properties
+      -pre-compile:              called before javac compilation
+      -post-compile:             called after javac compilation
+      -pre-compile-single:       called before javac compilation of single file
+      -post-compile-single:      called after javac compilation of single file
+      -pre-compile-test:         called before javac compilation of JUnit tests
+      -post-compile-test:        called after javac compilation of JUnit tests
+      -pre-compile-test-single:  called before javac compilation of single JUnit test
+      -post-compile-test-single: called after javac compilation of single JUunit test
+      -pre-jar:                  called before JAR building
+      -post-jar:                 called after JAR building
+      -post-clean:               called after cleaning build products
+
+    (Targets beginning with '-' are not intended to be called on their own.)
+
+    Example of inserting an obfuscator after compilation could look like this:
+
+        <target name="-post-compile">
+            <obfuscate>
+                <fileset dir="${build.classes.dir}"/>
+            </obfuscate>
+        </target>
+
+    For list of available properties check the imported 
+    nbproject/build-impl.xml file. 
+
+
+    Another way to customize the build is by overriding existing main targets.
+    The targets of interest are: 
+
+      -init-macrodef-javac:     defines macro for javac compilation
+      -init-macrodef-junit:     defines macro for junit execution
+      -init-macrodef-debug:     defines macro for class debugging
+      -init-macrodef-java:      defines macro for class execution
+      -do-jar-with-manifest:    JAR building (if you are using a manifest)
+      -do-jar-without-manifest: JAR building (if you are not using a manifest)
+      run:                      execution of project 
+      -javadoc-build:           Javadoc generation
+      test-report:              JUnit report generation
+
+    An example of overriding the target for project execution could look like this:
+
+        <target name="run" depends="SocketFileTransfer-impl.jar">
+            <exec dir="bin" executable="launcher.exe">
+                <arg file="${dist.jar}"/>
+            </exec>
+        </target>
+
+    Notice that the overridden target depends on the jar target and not only on 
+    the compile target as the regular run target does. Again, for a list of available 
+    properties which you can use, check the target you are overriding in the
+    nbproject/build-impl.xml file. 
+
+    -->
+</project>

manifest.mf

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+Manifest-Version: 1.0
+X-COMMENT: Main-Class will be added automatically by build
+

nbproject/genfiles.properties

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+build.xml.data.CRC32=b5a554e2
+build.xml.script.CRC32=5cee8796
+build.xml.stylesheet.CRC32=28e38971@1.56.0.46
+# This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
+# Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
+nbproject/build-impl.xml.data.CRC32=b5a554e2
+nbproject/build-impl.xml.script.CRC32=1f769548
+nbproject/build-impl.xml.stylesheet.CRC32=c6d2a60f@1.56.0.46

nbproject/project.properties

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+annotation.processing.enabled=true
+annotation.processing.enabled.in.editor=false
+annotation.processing.processors.list=
+annotation.processing.run.all.processors=true
+annotation.processing.source.output=${build.generated.sources.dir}/ap-source-output
+application.title=SocketFileTransfer
+application.vendor=aNNiMON
+build.classes.dir=${build.dir}/classes
+build.classes.excludes=**/*.java,**/*.form
+# This directory is removed when the project is cleaned:
+build.dir=build
+build.generated.dir=${build.dir}/generated
+build.generated.sources.dir=${build.dir}/generated-sources
+# Only compile against the classpath explicitly listed here:
+build.sysclasspath=ignore
+build.test.classes.dir=${build.dir}/test/classes
+build.test.results.dir=${build.dir}/test/results
+# Uncomment to specify the preferred debugger connection transport:
+#debug.transport=dt_socket
+debug.classpath=\
+    ${run.classpath}
+debug.test.classpath=\
+    ${run.test.classpath}
+# This directory is removed when the project is cleaned:
+dist.dir=dist
+dist.jar=${dist.dir}/SocketFileTransfer.jar
+dist.javadoc.dir=${dist.dir}/javadoc
+endorsed.classpath=
+excludes=
+includes=**
+jar.compress=false
+javac.classpath=
+# Space-separated list of extra javac options
+javac.compilerargs=
+javac.deprecation=false
+javac.processorpath=\
+    ${javac.classpath}
+javac.source=1.7
+javac.target=1.7
+javac.test.classpath=\
+    ${javac.classpath}:\
+    ${build.classes.dir}
+javac.test.processorpath=\
+    ${javac.test.classpath}
+javadoc.additionalparam=
+javadoc.author=false
+javadoc.encoding=${source.encoding}
+javadoc.noindex=false
+javadoc.nonavbar=false
+javadoc.notree=false
+javadoc.private=false
+javadoc.splitindex=true
+javadoc.use=true
+javadoc.version=false
+javadoc.windowtitle=
+main.class=com.annimon.socketfiletransfer.Main
+manifest.file=manifest.mf
+meta.inf.dir=${src.dir}/META-INF
+mkdist.disabled=false
+platform.active=default_platform
+run.classpath=\
+    ${javac.classpath}:\
+    ${build.classes.dir}
+# Space-separated list of JVM arguments used when running the project.
+# You may also define separate properties like run-sys-prop.name=value instead of -Dname=value.
+# To set system properties for unit tests define test-sys-prop.name=value:
+run.jvmargs=
+run.test.classpath=\
+    ${javac.test.classpath}:\
+    ${build.test.classes.dir}
+source.encoding=windows-1251
+src.dir=src
+test.src.dir=test

nbproject/project.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://www.netbeans.org/ns/project/1">
+    <type>org.netbeans.modules.java.j2seproject</type>
+    <configuration>
+        <data xmlns="http://www.netbeans.org/ns/j2se-project/3">
+            <name>SocketFileTransfer</name>
+            <source-roots>
+                <root id="src.dir"/>
+            </source-roots>
+            <test-roots>
+                <root id="test.src.dir"/>
+            </test-roots>
+        </data>
+    </configuration>
+</project>

src/com/annimon/socketfiletransfer/Client.java

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+package com.annimon.socketfiletransfer;
+
+import com.annimon.socketfiletransfer.util.Config;
+import com.annimon.socketfiletransfer.util.ExceptionHandler;
+import java.io.IOException;
+import java.net.Socket;
+
+/**
+ * 
+ * @author aNNiMON
+ */
+public class Client {
+    
+    private Socket clientSocket;
+    private OperationManager manager;
+
+    public Client(String host) throws IOException {
+        clientSocket = new Socket(host, Config.getPort());
+        manager = new OperationManager();
+        manager.setSocket(clientSocket);
+    }
+    
+    public OperationManager getManager() {
+        return manager;
+    }
+
+    public void close() {
+        if (manager != null) {
+            manager.close();
+        }
+        if (clientSocket != null) {
+            try {
+                clientSocket.close();
+            } catch (IOException ex) {
+                ExceptionHandler.handle(ex);
+            }
+        }
+    }
+    
+}

src/com/annimon/socketfiletransfer/FileOperation.java

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+/*
+ * aNNiMON 2013
+ */
+package com.annimon.socketfiletransfer;
+
+import com.annimon.socketfiletransfer.util.Config;
+import com.annimon.socketfiletransfer.util.ExceptionHandler;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+/**
+ *
+ * @author aNNiMON
+ */
+public class FileOperation implements Operation {
+    
+    private static final int BUFFER_SIZE = 1024;
+    
+    private DataInputStream dis;
+    private DataOutputStream dos;
+    
+    public FileOperation(DataInputStream dis) {
+        this.dis = dis;
+    }
+    
+    public FileOperation(DataOutputStream dos) {
+        this.dos = dos;
+    }
+
+    @Override
+    public void startServerSide() {
+        FileOutputStream fout = null;
+        try {
+            String name = dis.readUTF();
+            System.out.println("Filename: " + name);
+            fout = new FileOutputStream(Config.getTransferDir() + name);
+            byte[] buffer = new byte[BUFFER_SIZE];
+            int count;
+            while ((count = dis.read(buffer, 0, BUFFER_SIZE)) != -1) {
+                fout.write(buffer, 0, count);
+            }
+            fout.flush();
+            fout.close();
+        } catch (IOException ex) {
+            ExceptionHandler.handle(ex);
+        } finally {
+            try {
+                fout.close();
+            } catch (IOException ex) {
+                ExceptionHandler.handle(ex);
+            }
+        }
+    }
+
+    @Override
+    public void startClientSide(Object... params) throws Exception {
+        File file = (File) params[0];
+        
+        dos.writeInt(OperationManager.MODE_FILE_TRANSFER);
+        
+        String name = file.getName();
+        dos.writeUTF(name);
+        
+        FileInputStream fis = new FileInputStream(file);
+        byte[] buffer = new byte[BUFFER_SIZE];
+        int count;
+        while ((count = fis.read(buffer, 0, BUFFER_SIZE)) != -1) {
+            dos.write(buffer, 0, count);
+        }
+        dos.flush();
+        fis.close();
+    }
+    
+}

src/com/annimon/socketfiletransfer/Main.java

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+/*
+ * aNNiMON 2013
+ */
+package com.annimon.socketfiletransfer;
+
+import com.annimon.socketfiletransfer.util.ExceptionHandler;
+import java.io.File;
+import java.io.IOException;
+import javax.swing.JOptionPane;
+
+/**
+ *
+ * @author aNNiMON
+ */
+public class Main {
+    
+    public static void main(String[] args) throws Exception {
+        if (args[0].equalsIgnoreCase("server")) {
+            try {
+                Server server = new Server();
+                server.listenClients();
+            } catch (IOException ex) {
+                ExceptionHandler.handle(ex);
+            }
+            return;
+        }
+        
+        String host = "127.0.0.1";
+        try {
+            Client client = new Client(getHostIp(host));
+            if (args[1].equalsIgnoreCase("file")) {
+                String filePath = args[2];
+                client.getManager().sendFile( new File(filePath) );
+            } else if (args[1].equalsIgnoreCase("message")) {
+                String message = args[2];
+                client.getManager().sendMessage(message);
+            }
+            client.close();
+        } catch (IOException ex) {
+            ExceptionHandler.handle(ex);
+        }
+    }
+    
+    private static String getHostIp(String defaultIp) {
+        return JOptionPane.showInputDialog(null, "Enter server host IP:", defaultIp);
+    }
+}

src/com/annimon/socketfiletransfer/MessageHistory.java

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+/*
+ * aNNiMON 2013
+ */
+package com.annimon.socketfiletransfer;
+
+/**
+ *
+ * @author aNNiMON
+ */
+public class MessageHistory {
+    
+    private static String lastMessage = "";
+    private static StringBuilder allText = new StringBuilder();
+    
+    public static void addMessage(String message) {
+        lastMessage = message;
+        allText.append(message).append("\r\n\r\n");
+    }
+    
+    public static String getLastMessage() {
+        return lastMessage;
+    }
+    
+    public static String getAllText() {
+        return allText.toString();
+    }
+    
+}

src/com/annimon/socketfiletransfer/MessageOperation.java

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+/*
+ * aNNiMON 2013
+ */
+package com.annimon.socketfiletransfer;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+
+/**
+ *
+ * @author aNNiMON
+ */
+public class MessageOperation implements Operation {
+    
+    private DataInputStream dis;
+    private DataOutputStream dos;
+    
+    public MessageOperation(DataInputStream dis) {
+        this.dis = dis;
+    }
+    
+    public MessageOperation(DataOutputStream dos) {
+        this.dos = dos;
+    }
+
+    @Override
+    public void startServerSide() throws IOException {
+        String text = dis.readUTF();
+        MessageHistory.addMessage(text);
+    }
+
+    @Override
+    public void startClientSide(Object... params) throws Exception {
+        String message = (String) params[0];
+        
+        dos.writeInt(OperationManager.MODE_MESSAGE_TRANSFER);
+        dos.writeUTF(message);
+    }
+    
+}

src/com/annimon/socketfiletransfer/Operation.java

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+package com.annimon.socketfiletransfer;
+
+/**
+ *
+ * @author aNNiMON
+ */
+public interface Operation {
+    
+    void startServerSide() throws Exception;
+    
+    void startClientSide(Object... params) throws Exception;
+
+}

src/com/annimon/socketfiletransfer/OperationListener.java

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+package com.annimon.socketfiletransfer;
+
+import com.annimon.socketfiletransfer.util.ExceptionHandler;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.Socket;
+
+/**
+ * Ïðîñëóøèâàíèå îïåðàöèé ñ äàííûìè.
+ * @author aNNiMON
+ */
+public class OperationListener {
+    
+    protected static final int
+            MODE_FILE_TRANSFER = 1,
+            MODE_MESSAGE_TRANSFER = 2;
+    
+    protected DataInputStream dis;
+    protected DataOutputStream dos;
+    
+    public void setSocket(Socket socket) {
+        try {
+            dis = new DataInputStream( socket.getInputStream() );
+            dos = new DataOutputStream( socket.getOutputStream() );
+        } catch (IOException ex) {
+            ExceptionHandler.handle(ex);
+        }
+    }
+
+    public void listenOperation() throws Exception {
+        int mode = dis.readInt();
+        System.out.println("Read mode: " + mode);
+        Operation operation;
+        switch(mode) {
+            case MODE_FILE_TRANSFER:
+                System.out.println("MODE_FILE_TRANSFER");
+                operation = new FileOperation(dis);
+                break;
+            case MODE_MESSAGE_TRANSFER:
+                operation = new MessageOperation(dis);
+                break;
+            default:
+                return;
+        }
+        if (operation != null) {
+            operation.startServerSide();
+        }
+    }
+    
+    public void close() {
+        if (dis != null) {
+            try {
+                dis.close();
+            } catch (IOException ex) {
+                ExceptionHandler.handle(ex);
+            }
+        }
+        if (dos != null) {
+            try {
+                dos.close();
+            } catch (IOException ex) {
+                ExceptionHandler.handle(ex);
+            }
+        }
+    }
+}

src/com/annimon/socketfiletransfer/OperationManager.java

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+package com.annimon.socketfiletransfer;
+
+import java.io.File;
+
+/**
+ * Ìåíåäæåð îïåðàöèé ñ äàííûìè.
+ * @author aNNiMON
+ */
+public class OperationManager extends OperationListener {
+    
+    public void sendFile(File file) throws Exception {
+        Operation operation = new FileOperation(dos);
+        operation.startClientSide(file);
+    }
+    
+    public void sendMessage(String message) throws Exception {
+        Operation operation = new MessageOperation(dos);
+        operation.startClientSide(message);
+    }
+
+}

src/com/annimon/socketfiletransfer/Server.java

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+package com.annimon.socketfiletransfer;
+
+import com.annimon.socketfiletransfer.util.Config;
+import com.annimon.socketfiletransfer.util.ExceptionHandler;
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+/**
+ * 
+ * @author aNNiMON
+ */
+public class Server {
+    
+    private ServerSocket serverSocket;
+
+    public Server() throws IOException {
+        serverSocket = new ServerSocket(Config.getPort());
+    }
+    
+    public void listenClients() {
+        while (true) {            
+            try {
+                Socket client = serverSocket.accept();
+                new Thread(new TransferServer(client)).start();
+            } catch (IOException ex) {
+                ExceptionHandler.handle(ex);
+                break;
+            }
+        }
+        close();
+    }
+
+    private void close() {
+        if (serverSocket != null) {
+            try {
+                serverSocket.close();
+            } catch (IOException ex) {
+                ExceptionHandler.handle(ex);
+            }
+        }
+    }
+    
+}

src/com/annimon/socketfiletransfer/TransferServer.java

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+package com.annimon.socketfiletransfer;
+
+import com.annimon.socketfiletransfer.util.ExceptionHandler;
+import java.net.Socket;
+
+/**
+ * 
+ * @author aNNiMON
+ */
+public class TransferServer implements Runnable {
+    
+    private OperationListener listener;
+
+    public TransferServer(Socket client) {
+        listener = new OperationListener();
+        listener.setSocket(client);
+        printClientInfo(client);
+    }
+
+    @Override
+    public void run() {
+        Thread thr = Thread.currentThread();
+        while(Thread.currentThread() == thr) {
+            try {
+                listener.listenOperation();
+                //Thread.sleep(1);
+            } catch (Exception ex) {
+                ExceptionHandler.handle(ex);
+                break;
+            }
+        }
+        listener.close();
+    }
+    
+    private void printClientInfo(Socket client) {
+        System.out.println( client.getRemoteSocketAddress().toString() );
+    }
+
+}

src/com/annimon/socketfiletransfer/util/Config.java

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+package com.annimon.socketfiletransfer.util;
+
+import java.io.File;
+
+/**
+ *
+ * @author aNNiMON
+ */
+public class Config {
+    
+    private static final String
+            TYPE = "TYPE",
+            PORT = "PORT",
+            TRANSFER_DIR = "TRANSFER_DIR";
+    
+    public static boolean isServer() {
+        String type = Configuration.getInstance().getProperty(TYPE);
+        return (type.equalsIgnoreCase("server"));
+    }
+    
+    public static int getPort() {
+        String value = Configuration.getInstance().getProperty(PORT);
+        try {
+            return Integer.parseInt(value);
+        } catch (NumberFormatException ex) {
+            ExceptionHandler.handle(ex);
+            return 7119;
+        }
+    }
+    
+    public static String getTransferDir() {
+        String path = Configuration.getInstance().getProperty(TRANSFER_DIR);
+        path = path.trim();
+        if (!path.endsWith(File.pathSeparator)) {
+            path = path + File.pathSeparator;
+        }
+        return path;
+    }
+}

src/com/annimon/socketfiletransfer/util/Configuration.java

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+package com.annimon.socketfiletransfer.util;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+/**
+ * Êëàññ êîíôèãóðàöèè.
+ * @author aNNiMON
+ */
+class Configuration {
+    
+    private static final String PROPERTY_RESOURCE = "config.ini";
+    private static Configuration instance;
+    
+    static synchronized Configuration getInstance() {
+        if (instance == null) {
+            instance = new Configuration();
+        }
+        return instance;
+    }
+    
+    
+    private Properties properties;
+    
+    private Configuration() {
+        properties = new Properties();
+        readProperties();
+    }
+    
+    public String getProperty(String key) {
+        return properties.getProperty(key);
+    }
+    
+    private void readProperties() {
+        // Åñëè ðÿäîì ñ ïðèëîæåíèåì íåò ôàéëà config.ini, òî ÷èòàåì èç ðåñóðñîâ.
+        InputStream stream = getInputStreamFromFile();
+        if (stream == null) {
+            stream = getClass().getResourceAsStream("/" + PROPERTY_RESOURCE);
+        }
+        try {
+            properties.load(stream);
+            stream.close();
+        } catch (IOException ex) {
+            ExceptionHandler.handle(ex, "read property");
+        }
+    }
+    
+    private InputStream getInputStreamFromFile() {
+        File file = new File(PROPERTY_RESOURCE);
+        if (file.exists()) {
+            try {
+                return new FileInputStream(file);
+            } catch (FileNotFoundException ex) {
+                return null;
+            }
+        }
+        return null;
+    }
+}

src/com/annimon/socketfiletransfer/util/ExceptionHandler.java

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+package com.annimon.socketfiletransfer.util;
+
+/**
+ * Êëàññ îáðàáîòêè èñêëþ÷èòåëüíûõ ñèòóàöèé.
+ * @author aNNiMON
+ */
+public class ExceptionHandler {
+
+    private static enum HANDLE_MODE {
+        NO_LOG, LOG_STACK_TRACE
+    };
+    
+    private static HANDLE_MODE mode = HANDLE_MODE.LOG_STACK_TRACE;
+
+    /**
+     * Óñòàíîâêà ðåæèìà, êîãäà âñå ñîîáùåíèÿ èãíîðèðóþòñÿ.
+     */
+    public static void setNoLogMode() {
+        ExceptionHandler.mode = HANDLE_MODE.NO_LOG;
+    }
+    
+    /**
+     * Óñòàíîâêà ðåæèìà âûâîäà ëîãîâ íà êîíñîëü.
+     * Èñïîëüçóåòñÿ òðàññèðîâêà ñòåêà.
+     */
+    public static void setStackTraceMode() {
+        ExceptionHandler.mode = HANDLE_MODE.LOG_STACK_TRACE;
+    }
+    
+    public static void handle(Throwable throwable) {
+        if (mode == HANDLE_MODE.LOG_STACK_TRACE) {
+            throwable.printStackTrace();
+        }
+    }
+    
+    public static void handle(Throwable throwable, String comment) {
+        if (mode == HANDLE_MODE.LOG_STACK_TRACE) {
+            System.out.println(comment);
+            handle(throwable);
+        }
+    }
+    
+    public static void handle(String comment) {
+        if (mode == HANDLE_MODE.LOG_STACK_TRACE) {
+            System.out.println(comment);
+            handle(new Throwable(comment));
+        }
+    }
+}

src/config.ini

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+TYPE=server
+PORT=7119
+TRANSFER_DIR=E: