File sharing implemented.

p2p.iml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_5">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
     <output url="file://$MODULE_DIR$/target/classes" />
     <output-test url="file://$MODULE_DIR$/target/test-classes" />
     <content url="file://$MODULE_DIR$">

pom.xml

@@ -4,6 +4,19 @@
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
     <groupId>com.rohan.net</groupId>
     <artifactId>p2p</artifactId>
     <version>1.0-SNAPSHOT</version>

src/main/java/ConnectController.java

@@ -2,8 +2,11 @@
 import com.jfoenix.controls.JFXTextField;
 import file.FileUtils;
 import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
 import javafx.scene.control.Label;
+import javafx.scene.control.TreeItem;
 import javafx.scene.control.TreeView;
+import javafx.scene.input.MouseEvent;
 import net.Session;
 import ui.UIUtils;
 
@@ -28,6 +31,8 @@ public class ConnectController {
     public static final String CONNECTION_STRING =
             "Send shared file data";
 
+    public static final String FILE_DOWNLOAD_PATH =
+            "/home/rohan/Desktop";
 
     public void connectOnAction(ActionEvent actionEvent)
             throws IOException {
@@ -55,9 +60,35 @@ public void setNetworkLabels() {
     }
 
     private void displayOtherSharedDirectories(File directory) {
-        TreeView<File> treeView = new TreeView<File>();
-        treeView.setRoot(FileUtils.getNodesForDirectory(directory));
-        UIUtils.displayTreeView(treeView, "Files shared by remote " +
-                "user.");
+        TreeView<File> fileTreeView = new TreeView<File>();
+        fileTreeView
+                .setRoot(FileUtils.getNodesForDirectory(directory));
+        setTreeViewOnClickListener(fileTreeView);
+        UIUtils.displayTreeView(fileTreeView,
+                "Files shared by remote " +
+                        "user.");
+    }
+
+    private void setTreeViewOnClickListener(
+            final TreeView<File> fileTreeView) {
+        fileTreeView.setOnMouseClicked(
+                new EventHandler<MouseEvent>() {
+                    public void handle(MouseEvent event) {
+                        if (event.getClickCount() == 2) {
+                            TreeItem<File> selectedItem =
+                                    fileTreeView.getSelectionModel
+                                            ().getSelectedItem();
+                            File fileToDownload = selectedItem
+                                    .getValue();
+                            try {
+                                FileUtils.storeFileOnDisk
+                                        (fileToDownload,
+                                                FILE_DOWNLOAD_PATH);
+                            } catch (IOException e) {
+                                e.printStackTrace();
+                            }
+                        }
+                    }
+                });
     }
 }

src/main/java/Controller.java

@@ -7,11 +7,13 @@
 import javafx.beans.value.ChangeListener;
 import javafx.beans.value.ObservableValue;
 import javafx.event.ActionEvent;
+import javafx.event.EventHandler;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Parent;
 import javafx.scene.Scene;
 import javafx.scene.control.TreeItem;
 import javafx.scene.control.TreeView;
+import javafx.scene.input.MouseEvent;
 import javafx.stage.Stage;
 import ui.UIUtils;
 
@@ -85,27 +87,11 @@ public void chooseActionPerformed(ActionEvent actionEvent) {
         } else {
             this.sharedDirectory = dir;
             fileTreeView.setRoot(FileUtils.getNodesForDirectory(dir));
-            setChangeListener(fileTreeView);
+            //treeViewOnClickListener(fileTreeView);
             setFileDisplayLayout();
         }
     }
 
-    private void setChangeListener(TreeView<File> fileTreeView) {
-        fileTreeView.getSelectionModel().selectedItemProperty()
-                .addListener(
-                        new ChangeListener<TreeItem<File>>() {
-                            public void changed(
-                                    ObservableValue<? extends
-                                            TreeItem<File>>
-                                            observable,
-                                    TreeItem<File> oldValue,
-                                    TreeItem<File> newValue) {
-
-                            }
-                        }
-                );
-    }
-
     private void setFileDisplayLayout() {
         UIUtils.displayTreeView(fileTreeView, "Shared files.");
     }

src/main/java/file/FileUtils.java

@@ -5,18 +5,21 @@
 import javafx.stage.DirectoryChooser;
 import javafx.stage.Stage;
 
-import java.io.File;
+import java.io.*;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
 public class FileUtils {
 
-    public static final Logger LOGGER = Logger.getLogger(FileUtils.class.getName());
+    public static final Logger LOGGER =
+            Logger.getLogger(FileUtils.class.getName());
 
     public static File chooseDirectory(Stage stage) {
         DirectoryChooser directoryChooser = new DirectoryChooser();
-        directoryChooser.setTitle("Select folder to share with other peers");
-        directoryChooser.setInitialDirectory(new File(System.getProperty("user.home")));
+        directoryChooser
+                .setTitle("Select folder to share with other peers");
+        directoryChooser.setInitialDirectory(
+                new File(System.getProperty("user.home")));
 
         File dir = directoryChooser.showDialog(stage);
         return dir;
@@ -41,4 +44,26 @@ public static void actionOnNullDirectory() {
         alert.setContentText("The file is invalid.");
         alert.showAndWait();
     }
+
+    public static void storeFileOnDisk(File remoteFile, String
+            path) throws IOException {
+        String name = remoteFile.getName();
+        path = path + "/" + name;
+        File file = new File(path);
+        InputStream inputStream = null;
+        OutputStream outputStream = null;
+        try {
+            inputStream = new FileInputStream(remoteFile);
+            outputStream = new FileOutputStream(file);
+            byte[] buffer = new byte[1024];
+            int length;
+
+            while ((length = inputStream.read()) > 0) {
+                outputStream.write(buffer, 0, length);
+            }
+        } finally {
+            inputStream.close();
+            outputStream.close();
+        }
+    }
 }