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SWT(JFace) FTP客戶端實現

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Jar包一覽:

org.eclipse.jface_3.4.2.M20090107-0800.jar
org.eclipse.swt.win32.win32.x86_3.4.1.v3452b.jar
org.eclipse.core.commands_3.4.0.I20080509-2000.jar
org.eclipse.core.runtime_3.4.0.v20080512.jar
org.eclipse.equinox.common_3.4.0.v20080421-2006.jar
org.eclipse.osgi_3.4.3.R34x_v20081215-1030.jar
commons-net-ftp-2.0.jar

演示代碼如下:

FTPWindow.java

復制代碼代碼如下:
package swt_jface.demo13;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import org.apache.commons.net.ProtocolCommandEvent;
import org.apache.commons.net.ProtocolCommandListener;
import org.apache.commons.net.ftp.FTPClient;
import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.net.ftp.FTPReply;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.window.ApplicationWindow;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.custom.StyleRange;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DragSource;
import org.eclipse.swt.dnd.DragSourceEvent;
import org.eclipse.swt.dnd.DragSourceListener;
import org.eclipse.swt.dnd.DropTarget;
import org.eclipse.swt.dnd.DropTargetEvent;
import org.eclipse.swt.dnd.DropTargetListener;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
public class FTPWindow extends ApplicationWindow {

TableViewer localDirBrowser;
TableViewer remoteDirBrowser;
Label labelPathLocal;
Label labelPathRemote;
StyledText textLog;
ConnectionDialog connectionDialog;
Action actionUpLocalDir;
Action actionUpRemoteDir;
Action actionBrowseLocalDir;
Action actionConnect;
Action actionDisconnect;
Action actionDisplayAbout;
Action actionExit;
FTPClient ftp;
ConnectionInfo connectionInfo;
public FTPWindow(Shell parentShell) {
super(parentShell);
createActions();
addStatusLine();
//addCoolBar(SWT.FLAT | SWT.RIGHT);
addToolBar(SWT.FLAT);
addMenuBar();
ftp = new FTPClient();
ftp.addProtocolCommandListener(new ProtocolCommandListener() {
public void protocolCommandSent(ProtocolCommandEvent e) {
logMessage("> " + e.getCommand(), false);
}
public void protocolReplyReceived(ProtocolCommandEvent e) {
logMessage("< " + e.getMessage(), false);
}
});
}
private void createActions() {
actionUpLocalDir = new Action() {
public void run() {
if (localDirBrowser.getInput() == null)
return;
File dir = ((File) localDirBrowser.getInput()).getParentFile();
if (dir != null) {
localDirBrowser.setInput(dir);
labelPathLocal.setText("Path: " + dir);
}
}
};
actionUpLocalDir.setText("Up");
actionUpLocalDir.setToolTipText("Up one level - local dir");
actionUpLocalDir.setImageDescriptor(ImageDescriptor.createFromFile(null, "C:/icons/ftp/up.gif"));
actionBrowseLocalDir = new Action() {
public void run() {
DirectoryDialog dialog = new DirectoryDialog(getShell());
String path = dialog.open();
if (path == null)
return;
File file = new File(path);
localDirBrowser.setInput(file);
labelPathLocal.setText("Path: " + file);
}
};
actionBrowseLocalDir.setText("Browse...");
actionBrowseLocalDir.setToolTipText("Browse local directory");
actionBrowseLocalDir.setImageDescriptor(ImageDescriptor.createFromFile(null, "C:/icons/ftp/browse.gif"));
actionConnect = new Action() {
public void run() {
if (connectionDialog == null)
connectionDialog = new ConnectionDialog(FTPWindow.this);
if (connectionDialog.open() == Dialog.OK) {
connectionInfo = connectionDialog.getConnectionInfo();
if (connectionInfo == null) {
logError("Failed to get connection information.");
} else {
logMessage("Connecting to " + connectionInfo.host, true);
try {
ftp.connect(
connectionInfo.host,
connectionInfo.port);
if (!FTPReply.isPositiveCompletion(ftp.getReplyCode()))
throw new RuntimeException("FTP server refused connection.");
logMessage("Connected to " + connectionInfo.host, true);
} catch (Exception e) {
logError(e.toString());
return;
}
try {
if (ftp
.login(
connectionInfo.username,
connectionInfo.password)) {
logMessage("Logged in as user: "+ connectionInfo.username, true);
}
labelPathRemote.setText("Path: " + ftp.printWorkingDirectory());
// Lists files.
FTPFile[] files = ftp.listFiles();
remoteDirBrowser.setInput(files);
} catch (IOException e1) {
logError(e1.getMessage());
try {
ftp.disconnect();
} catch (IOException e2) {
//
}
}
}
}
}
};
actionConnect.setText("Connect");
actionConnect.setToolTipText("Connect to remote host");
actionConnect.setImageDescriptor(ImageDescriptor.createFromFile(null, "C:/icons/ftp/connect.gif"));
actionDisconnect = new Action() {
public void run() {
try {
ftp.logout();
ftp.disconnect();
}catch(Exception e) {
logError(e.toString());
}
}
};
actionDisconnect.setText("Disconnect");
actionDisconnect.setToolTipText("Disconnect from remote host");
actionDisconnect.setImageDescriptor(ImageDescriptor.createFromFile(null, "C:/icons/ftp/stop.gif"));
actionUpRemoteDir = new Action() {
public void run() {
try {
if (ftp.changeToParentDirectory()) {
labelPathRemote.setText("Path: " + ftp.printWorkingDirectory());
FTPFile[] files = ftp.listFiles();
remoteDirBrowser.setInput(files);
}
} catch (Exception e) {
logError(e.toString());
}
}
};
actionUpRemoteDir.setText("Up");
actionUpRemoteDir.setToolTipText("Up one level - remote dir");
actionUpRemoteDir.setImageDescriptor(ImageDescriptor.createFromFile(null, "C:/icons/ftp/up.gif"));

actionDisplayAbout = new Action() {
public void run() {
MessageDialog.openInformation(getShell(), "About", "FTP Client v1.0\nAll right reserved by Jack Li Guojie.");
}
};
actionDisplayAbout.setText("About");
actionDisplayAbout.setImageDescriptor(ImageDescriptor.createFromFile(null, "C:/icons/ftp/about.gif"));

actionExit = new Action() {
public void run() {
if(! MessageDialog.openConfirm(getShell(), "Confirm", "Are you sure you want to exit?"))
return;
try {
ftp.disconnect();
}catch(Exception e) {
}
close();
}
};
actionExit.setText("Exit");
actionExit.setImageDescriptor(ImageDescriptor.createFromFile(null, "C:/icons/ftp/close.gif"));

}
private void dragNDropSupport() {
int operations = DND.DROP_COPY | DND.DROP_MOVE;
final DragSource dragSource = new DragSource(remoteDirBrowser.getControl(), operations);
Transfer[] formats = new Transfer[] { TextTransfer.getInstance()};
dragSource.setTransfer(formats);
dragSource.addDragListener(new DragSourceListener() {
public void dragStart(DragSourceEvent event) {
System.out.println("DND starts");
IStructuredSelection selection = (IStructuredSelection) remoteDirBrowser.getSelection();
FTPFile file = (FTPFile) selection.getFirstElement();
if (file == null || file.isDirectory()) {
event.doit = false;
}
}
public void dragSetData(DragSourceEvent event) {

if (TextTransfer.getInstance().isSupportedType(event.dataType)) {
IStructuredSelection selection = (IStructuredSelection) remoteDirBrowser.getSelection();
FTPFile file = (FTPFile) selection.getFirstElement();
if (file == null || file.isDirectory()) {
event.doit = false;
} else {
event.data = file.getName();
}
}
}
public void dragFinished(DragSourceEvent event) {
}
});
remoteDirBrowser
.getControl()
.addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
dragSource.dispose();
}
});
final DropTarget dropTarget = new DropTarget(localDirBrowser.getControl(), operations);
dropTarget.setTransfer(formats);
dropTarget.addDropListener(new DropTargetListener() {
public void dragEnter(DropTargetEvent event) {
}
public void dragLeave(DropTargetEvent event) {
}
public void dragOperationChanged(DropTargetEvent event) {
}
public void dragOver(DropTargetEvent event) {
}
public void drop(DropTargetEvent event) {
if (TextTransfer.getInstance().isSupportedType(event.currentDataType)) {
String text = (String) event.data;
File target = new File((File) localDirBrowser.getInput(), text);
if (target.exists()) {
if (!MessageDialog.openConfirm(getShell(), "Overwriting confirmation", "Overwrite file " + target + "?")) {
return;
}
}

try {
FileOutputStream stream = new FileOutputStream(target);
if(ftp.retrieveFile(text, stream)) {
logMessage("File retrieved successfully.", true);
localDirBrowser.refresh();
}else{
logError("Failed to retrieve file: " + text);
}
stream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
public void dropAccept(DropTargetEvent event) {
}
});
localDirBrowser.getControl().addDisposeListener(new DisposeListener() {
public void widgetDisposed(DisposeEvent e) {
dropTarget.dispose();
}
});
}
protected MenuManager createMenuManager() {

MenuManager bar = new MenuManager();
MenuManager menuFile = new MenuManager("&File");
menuFile.add(actionConnect);
menuFile.add(actionDisconnect);
menuFile.add(new Separator());
menuFile.add(actionExit);
MenuManager menuLocal = new MenuManager("&Local");
menuLocal.add(actionBrowseLocalDir);
menuLocal.add(actionUpLocalDir);
MenuManager menuRemote = new MenuManager("&Remote");
menuRemote.add(actionUpRemoteDir);
MenuManager menuHelp = new MenuManager("&Help");
menuHelp.add(actionDisplayAbout);
bar.add(menuFile);
bar.add(menuLocal);
bar.add(menuRemote);
bar.add(menuHelp);
bar.updateAll(true);
return bar;
}
public static void addAction(

ToolBarManager manager,
Action action,
boolean displayText) {
if (!displayText) {
manager.add(action);
return;
} else {
ActionContributionItem item = new ActionContributionItem(action);
item.setMode(ActionContributionItem.MODE_FORCE_TEXT);
manager.add(item);
}
}
protected ToolBarManager createToolBarManager(int style) {

ToolBarManager manager = super.createToolBarManager(style);
addAction(manager, actionConnect, true);
addAction(manager, actionDisconnect, true);
manager.add(new Separator());
addAction(manager, actionBrowseLocalDir, true);
addAction(manager, actionUpLocalDir, true);
manager.add(new Separator());
addAction(manager, actionUpRemoteDir, true);
manager.add(new Separator());
addAction(manager, actionDisplayAbout, true);
addAction(manager, actionExit, true);
manager.update(true);

return manager;
}
protected Control createContents(Composite parent) {
Composite composite = new Composite(parent, SWT.NULL);
composite.setLayout(new FillLayout());
SashForm verticalForm = new SashForm(composite, SWT.VERTICAL);
SashForm horizontalForm = new SashForm(verticalForm, SWT.HORIZONTAL);
Composite compositeLocalDir = new Composite(horizontalForm, SWT.NULL);
GridLayout gridLayout = new GridLayout();
gridLayout.horizontalSpacing = 1;
gridLayout.verticalSpacing = 1;
compositeLocalDir.setLayout(gridLayout);
Group compositeLocalDirTop = new Group(compositeLocalDir, SWT.NULL);
compositeLocalDirTop.setText("Local");
GridLayout gridLayout2 = new GridLayout(3, false);
gridLayout2.marginHeight = 0;
compositeLocalDirTop.setLayout(gridLayout2);
compositeLocalDirTop.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
labelPathLocal = new Label(compositeLocalDirTop, SWT.NULL);
labelPathLocal.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
labelPathLocal.setText("Path: ");
Button buttonUpLocalDir = new Button(compositeLocalDirTop, SWT.PUSH);
buttonUpLocalDir.setText(actionUpLocalDir.getText());
buttonUpLocalDir.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
actionUpLocalDir.run();
}
});
Button buttonBrowseLocalDir = new Button(compositeLocalDirTop, SWT.PUSH);
buttonBrowseLocalDir.setText(actionBrowseLocalDir.getText());
buttonBrowseLocalDir.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
actionBrowseLocalDir.run();
}
});
Table table = new Table(compositeLocalDir, SWT.BORDER);
TableColumn tcFile = new TableColumn(table, SWT.LEFT);
tcFile.setText("Name");
TableColumn tcSize = new TableColumn(table, SWT.NULL);
tcSize.setText("Size");
TableColumn tcDate = new TableColumn(table, SWT.NULL);
tcDate.setText("Date");
tcFile.setWidth(200);
tcSize.setWidth(100);
tcDate.setWidth(100);
table.setHeaderVisible(true);
table.setLayoutData(new GridData(GridData.FILL_BOTH));
localDirBrowser = new LocalDirectoryBrowser(table);
table.addListener(SWT.MouseDoubleClick, new Listener() {
public void handleEvent(Event event) {
IStructuredSelection selection = (IStructuredSelection) localDirBrowser.getSelection();
File file = (File) selection.getFirstElement();
if (file != null && file.isDirectory()) {
localDirBrowser.setInput(file);
labelPathLocal.setText("Path: " + file);
}
}
});
Composite compositeRemoteDir = new Composite(horizontalForm, SWT.NULL);
gridLayout = new GridLayout();
gridLayout.horizontalSpacing = 1;
gridLayout.verticalSpacing = 1;
compositeRemoteDir.setLayout(gridLayout);
Group compositeRemoteDirTop = new Group(compositeRemoteDir, SWT.NULL);
compositeRemoteDirTop.setText("Remote");
gridLayout2 = new GridLayout(2, false);
gridLayout2.marginHeight = 0;
compositeRemoteDirTop.setLayout(gridLayout2);
compositeRemoteDirTop.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
labelPathRemote = new Label(compositeRemoteDirTop, SWT.NULL);
labelPathRemote.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
labelPathRemote.setText("Path: ");
Button buttonUpRemoteDir = new Button(compositeRemoteDirTop, SWT.PUSH);
buttonUpRemoteDir.setText(actionUpLocalDir.getText());
buttonUpRemoteDir.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
actionUpRemoteDir.run();
}
});
Table tableRemote = new Table(compositeRemoteDir, SWT.BORDER);
TableColumn tcFileRemote = new TableColumn(tableRemote, SWT.LEFT);
tcFileRemote.setText("Name");
TableColumn tcSizeRemote = new TableColumn(tableRemote, SWT.NULL);
tcSizeRemote.setText("Size");
TableColumn tcDateRemote = new TableColumn(tableRemote, SWT.NULL);
tcDateRemote.setText("Date");
tcFileRemote.setWidth(200);
tcSizeRemote.setWidth(100);
tcDateRemote.setWidth(100);
tableRemote.setHeaderVisible(true);
tableRemote.setLayoutData(new GridData(GridData.FILL_BOTH));
remoteDirBrowser = new RemoteDirectoryBrowser(tableRemote);
tableRemote.addListener(SWT.MouseDoubleClick, new Listener() {
public void handleEvent(Event event) {
IStructuredSelection selection = (IStructuredSelection) remoteDirBrowser.getSelection();
FTPFile file = (FTPFile) selection.getFirstElement();
if (file != null && file.isDirectory()) {
try {
ftp.changeWorkingDirectory(file.getName());
labelPathRemote.setText("Path: " + ftp.printWorkingDirectory());
remoteDirBrowser.setInput(ftp.listFiles());
} catch (IOException e) {
logError(e.toString());
}
}
}
});
textLog =
new StyledText(
verticalForm,
SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
localDirBrowser.setInput(File.listRoots()[0]);
labelPathLocal.setText("Path: " + File.listRoots()[0]);
verticalForm.setWeights(new int[]{4, 1});
dragNDropSupport();
getToolBarControl().setBackground(new Color(getShell().getDisplay(), 230, 230, 230));
getShell().setImage(new Image(getShell().getDisplay(), "C:/icons/ftp/ftp.gif"));
getShell().setText("FTP Client v1.0");

return composite;
}
private void logMessage(String message, boolean showInStatusBar) {
StyleRange styleRange1 = new StyleRange();
styleRange1.start = textLog.getCharCount();
styleRange1.length = message.length();
styleRange1.foreground = getShell().getDisplay().getSystemColor(SWT.COLOR_DARK_GREEN);
styleRange1.fontStyle = SWT.NORMAL;
textLog.append(message + "\r\n");
textLog.setStyleRange(styleRange1);
textLog.setSelection(textLog.getCharCount());
if(showInStatusBar) {
setStatus(message);
}
}
private void logError(String message) {
StyleRange styleRange1 = new StyleRange();
styleRange1.start = textLog.getCharCount();
styleRange1.length = message.length();
styleRange1.foreground = getShell().getDisplay().getSystemColor(SWT.COLOR_DARK_RED);
styleRange1.fontStyle = SWT.NORMAL;
textLog.append(message + "\r\n");
textLog.setStyleRange(styleRange1);
textLog.setSelection(textLog.getCharCount());
}
public static void main(String[] args) {
ApplicationWindow window = new FTPWindow(null);
window.setBlockOnOpen(true);
window.open();
Display.getCurrent().dispose();
}
}


ConnectionDialog.java

復制代碼代碼如下:
package swt_jface.demo13;
import java.io.File;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.DialogSettings;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
class ConnectionInfo {
public String host;
public int port;
public String password;
public String username;

}
public class ConnectionDialog extends Dialog {

private static final String DIALOG_SETTING_FILE = "ftp.connection.xml";
private static final String KEY_HOST = "HOST";
private static final String KEY_PORT = "PORT";
private static final String KEY_USERNAME = "USER";
private static final String KEY_PASSWORD = "PASSWORD";

Text textHost;
Text textPort;
Text textUsername;
Text textPassword;

DialogSettings dialogSettings;
ConnectionInfo connectionInfo;

ConnectionDialog(FTPWindow window) {

super(window.getShell());
connectionInfo = null;

dialogSettings = new DialogSettings("FTP");
try {
dialogSettings.load(DIALOG_SETTING_FILE);
}catch(Exception e) {
e.printStackTrace();
}
}
protected Control createDialogArea(Composite parent) {
getShell().setText("Connection Settings");

Composite composite = (Composite)super.createDialogArea(parent);
composite.setLayout(new GridLayout(2, false));

new Label(composite, SWT.NULL).setText("Host: ");
textHost = new Text(composite, SWT.BORDER);
textHost.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

new Label(composite, SWT.NULL).setText("Port: ");
textPort = new Text(composite, SWT.BORDER);
textPort.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

new Label(composite, SWT.NULL).setText("Username: ");
textUsername = new Text(composite, SWT.BORDER);
textUsername.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

new Label(composite, SWT.NULL).setText("Password: ");
textPassword = new Text(composite, SWT.PASSWORD | SWT.BORDER);
textPassword.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
try {
textHost.setText(dialogSettings.get(KEY_HOST));
textPort.setText(dialogSettings.getInt(KEY_PORT) + "");
textUsername.setText(dialogSettings.get(KEY_USERNAME));
textPassword.setText(dialogSettings.get(KEY_PASSWORD));
}catch(Exception e) {
}
return composite;
}
public ConnectionInfo getConnectionInfo() {
return connectionInfo;
}
protected void okPressed() {
try {
if(! new File(DIALOG_SETTING_FILE).exists()) {
new File(DIALOG_SETTING_FILE).createNewFile();
}
dialogSettings.put(KEY_HOST, textHost.getText());
dialogSettings.put(KEY_PORT, Integer.parseInt(textPort.getText().trim()));
dialogSettings.put(KEY_USERNAME, textUsername.getText());
dialogSettings.put(KEY_PASSWORD, textPassword.getText());
dialogSettings.save(DIALOG_SETTING_FILE);
}catch(Exception e) {
e.printStackTrace();
}
connectionInfo = new ConnectionInfo();
connectionInfo.host = textHost.getText();
connectionInfo.port = Integer.parseInt(textPort.getText().trim());
connectionInfo.username = textUsername.getText();
connectionInfo.password = textPassword.getText();
super.okPressed();
}
}


FileIconUtil.java

復制代碼代碼如下:
package swt_jface.demo13;
import java.io.File;
import org.apache.commons.net.ftp.FTPFile;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.program.Program;
import org.eclipse.swt.widgets.Display;
public class FileIconUtil {

static ImageRegistry imageRegistry;

static Image iconFolder;
static Image iconFile;

static {
iconFolder = new Image(Display.getCurrent(), "C:/icons/folder.gif");
iconFile = new Image(Display.getCurrent(), "C:/icons/file.gif");
}
public static Image getIcon(File file) {
if (file.isDirectory()) return iconFolder;
int lastDotPos = file.getName().indexOf(‘.‘);
if (lastDotPos == -1) return iconFile;
Image image = getIcon(file.getName().substring(lastDotPos + 1));
return image == null ? iconFile : image;
}
public static Image getIcon(FTPFile file) {
if (file.isDirectory()) return iconFolder;
int lastDotPos = file.getName().indexOf(‘.‘);
if (lastDotPos == -1) return iconFile;
Image image = getIcon(file.getName().substring(lastDotPos + 1));
return image == null ? iconFile : image;
}
private static Image getIcon(String extension) {
if (imageRegistry == null) imageRegistry = new ImageRegistry();
Image image = imageRegistry.get(extension);
if (image != null) return image;
Program program = Program.findProgram(extension);
ImageData imageData = (program == null ? null : program.getImageData());
if (imageData != null) {
image = new Image(Display.getCurrent(), imageData);
imageRegistry.put(extension, image);
} else {
image = iconFile;
}
return image;
}
}


LocalDirectoryBrowser.java

復制代碼代碼如下:
package swt_jface.demo13;
import java.io.File;
import java.util.Date;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Table;
public class LocalDirectoryBrowser extends TableViewer {
public LocalDirectoryBrowser(Table table) {
super(table);
init();
}

private void init() {
setContentProvider(new IStructuredContentProvider() {
public Object[] getElements(Object inputElement) {
File dir = (File)inputElement;
return dir.listFiles();
}
public void dispose() {
}
public void inputChanged(
Viewer viewer,
Object oldInput,
Object newInput) {
}
});

setLabelProvider(new ITableLabelProvider() {
public Image getColumnImage(Object element, int columnIndex) {
if(columnIndex == 0)
return FileIconUtil.getIcon((File)element);
return null;
}
public String getColumnText(Object element, int columnIndex) {
switch(columnIndex) {
case 0:
return ((File)element).getName();
case 1:
return ((File)element).length() + "";
case 2:
return new Date(((File)element).lastModified()).toString();
default:
return "";
}
}
public void addListener(ILabelProviderListener listener) {
}
public void dispose() {
}
public boolean isLabelProperty(Object element, String property) {
return false;
}
public void removeListener(ILabelProviderListener listener) {
}
});
}
}
package swt_jface.demo13;
import java.io.File;
import java.util.Date;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Table;
public class LocalDirectoryBrowser extends TableViewer {
public LocalDirectoryBrowser(Table table) {
super(table);
init();
}

private void init() {
setContentProvider(new IStructuredContentProvider() {
public Object[] getElements(Object inputElement) {
File dir = (File)inputElement;
return dir.listFiles();
}
public void dispose() {
}
public void inputChanged(
Viewer viewer,
Object oldInput,
Object newInput) {
}
});

setLabelProvider(new ITableLabelProvider() {
public Image getColumnImage(Object element, int columnIndex) {
if(columnIndex == 0)
return FileIconUtil.getIcon((File)element);
return null;
}
public String getColumnText(Object element, int columnIndex) {
switch(columnIndex) {
case 0:
return ((File)element).getName();
case 1:
return ((File)element).length() + "";
case 2:
return new Date(((File)element).lastModified()).toString();
default:
return "";
}
}
public void addListener(ILabelProviderListener listener) {
}
public void dispose() {
}
public boolean isLabelProperty(Object element, String property) {
return false;
}
public void removeListener(ILabelProviderListener listener) {
}
});
}
}



RemoteDirectoryBrowser.java

復制代碼代碼如下:
package swt_jface.demo13;
import java.util.Calendar;
import org.apache.commons.net.ftp.FTPFile;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Table;
public class RemoteDirectoryBrowser extends TableViewer {
public RemoteDirectoryBrowser(Table table) {
super(table);
init();
}

private void init() {
setContentProvider(new IStructuredContentProvider() {
public Object[] getElements(Object inputElement) {
FTPFile[] files = (FTPFile[])inputElement;
return files;
}
public void dispose() {
}
public void inputChanged(
Viewer viewer,
Object oldInput,
Object newInput) {
}
});

setLabelProvider(new ITableLabelProvider() {
public Image getColumnImage(Object element, int columnIndex) {
if(columnIndex == 0)
return FileIconUtil.getIcon((FTPFile)element);
return null;
}
public String getColumnText(Object element, int columnIndex) {
switch(columnIndex) {
case 0:
return ((FTPFile)element).getName();
case 1:
return ((FTPFile)element).getSize() + "";
case 2:
Calendar cal = ((FTPFile)element).getTimestamp();
return cal.get(Calendar.YEAR) + "-" +
cal.get(Calendar.MONTH) + "-" +
cal.get(Calendar.DAY_OF_MONTH) + " " +
cal.get(Calendar.HOUR_OF_DAY) + ":" +
cal.get(Calendar.MINUTE) + ":" +
cal.get(Calendar.SECOND);
default:
return "";
}
}
public void addListener(ILabelProviderListener listener) {
}
public void dispose() {
}
public boolean isLabelProperty(Object element, String property) {
return false;
}
public void removeListener(ILabelProviderListener listener) {
}
});
}

}
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SWT(JFace) FTP客戶端實現