Complete keystore config dialog

4 files changed, 494 insertions, 71 deletions

diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/ConfigurationComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/ConfigurationComposite.java
index 77b1bd98..ed85f77b 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/ConfigurationComposite.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/ConfigurationComposite.java
@@ -287,6 +287,10 @@ public class ConfigurationComposite extends StateComposite {
 			// not needed at the moment
 			this.advancedConfigComposite.setSigner(getSigner());
 		}
+		if (this.keystoreConfigComposite != null) {
+			// not needed at the moment
+			this.keystoreConfigComposite.setSigner(getSigner());
+		}
 	}
 
 	private class AboutComposite extends StateComposite {
@@ -300,20 +304,6 @@ public class ConfigurationComposite extends StateComposite {
 
 			setLayout(new FormLayout());
 
-			/*Group grpAbout = new Group(this, SWT.NONE | SWT.RESIZE);
-			FormData fd_grpAbout = new FormData();
-			fd_grpAbout.right = new FormAttachment(100, -5);
-			fd_grpAbout.left = new FormAttachment(0, 5);
-			fd_grpAbout.top = new FormAttachment(0, 5);
-			grpAbout.setLayoutData(fd_grpAbout);
-			grpAbout.setLayout(new FillLayout());
-
-			FontData[] fD_grpAbout = grpAbout.getFont()
-					.getFontData();
-			fD_grpAbout[0].setHeight(Constants.TEXT_SIZE_NORMAL);
-			grpAbout.setFont(new Font(Display.getCurrent(),
-					fD_grpAbout[0]));*/
-
 			this.lnkAbout = new Link(this, SWT.WRAP);
 
 			FormData fd_lnkAbout = new FormData();
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/KeystoreConfigurationComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/KeystoreConfigurationComposite.java
index aa42a7bb..24170e24 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/KeystoreConfigurationComposite.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/KeystoreConfigurationComposite.java
@@ -17,39 +17,29 @@ package at.asit.pdfover.gui.composites;
 
 // Imports
 import java.io.File;
-import java.util.Locale;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.Map;
 
 import org.eclipse.swt.SWT;
-import org.eclipse.swt.dnd.DND;
-import org.eclipse.swt.dnd.DropTarget;
-import org.eclipse.swt.dnd.DropTargetAdapter;
-import org.eclipse.swt.dnd.DropTargetEvent;
-import org.eclipse.swt.dnd.FileTransfer;
-import org.eclipse.swt.dnd.Transfer;
 import org.eclipse.swt.events.FocusAdapter;
 import org.eclipse.swt.events.FocusEvent;
-import org.eclipse.swt.events.PaintEvent;
-import org.eclipse.swt.events.PaintListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
-import org.eclipse.swt.events.TraverseEvent;
-import org.eclipse.swt.events.TraverseListener;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.FontData;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.graphics.ImageData;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.layout.FormAttachment;
 import org.eclipse.swt.layout.FormData;
 import org.eclipse.swt.layout.FormLayout;
-import org.eclipse.swt.layout.GridData;
-import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
-import org.eclipse.swt.widgets.Canvas;
 import org.eclipse.swt.widgets.Combo;
-import org.eclipse.swt.widgets.Composite;
-import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.FileDialog;
 import org.eclipse.swt.widgets.Group;
@@ -61,18 +51,15 @@ import org.slf4j.LoggerFactory;
 import at.asit.pdfover.gui.Constants;
 import at.asit.pdfover.gui.controls.Dialog.BUTTONS;
 import at.asit.pdfover.gui.controls.ErrorDialog;
-import at.asit.pdfover.gui.controls.ErrorMarker;
-import at.asit.pdfover.gui.exceptions.InvalidEmblemFile;
-import at.asit.pdfover.gui.exceptions.InvalidNumberException;
-import at.asit.pdfover.gui.exceptions.PDFOverGUIException;
+import at.asit.pdfover.gui.exceptions.CantLoadKeystoreException;
+import at.asit.pdfover.gui.exceptions.KeystoreDoesntExistException;
+import at.asit.pdfover.gui.exceptions.OutputfolderDoesntExistException;
+import at.asit.pdfover.gui.exceptions.OutputfolderNotADirectoryException;
 import at.asit.pdfover.gui.utils.Messages;
-import at.asit.pdfover.gui.utils.SignaturePlaceholderCache;
 import at.asit.pdfover.gui.workflow.config.ConfigManipulator;
 import at.asit.pdfover.gui.workflow.config.ConfigurationContainer;
 import at.asit.pdfover.gui.workflow.config.PersistentConfigProvider;
 import at.asit.pdfover.gui.workflow.states.State;
-import at.asit.pdfover.signator.FileNameEmblem;
-import at.asit.pdfover.signator.SignatureParameter;
 
 /**
  * 
@@ -86,6 +73,21 @@ public class KeystoreConfigurationComposite extends BaseConfigurationComposite {
 			.getLogger(KeystoreConfigurationComposite.class);
 
 	private Group grpKeystore;
+	private Label lblKeystoreFile;
+	Text txtKeystoreFile;
+	private Button btnBrowse;
+	private Label lblKeystoreType;
+	Combo cmbKeystoreType;
+	private Label lblKeystoreStorePass;
+	Text txtKeystoreStorePass;
+	private Button btnLoad;
+	private Label lblKeystoreAlias;
+	Combo cmbKeystoreAlias;
+	private Label lblKeystoreKeyPass;
+	Text txtKeystoreKeyPass;
+
+	private Map<String, String> keystoreTypes;
+	private Map<String, String> keystoreTypes_i;
 
 	/**
 	 * @param parent
@@ -100,56 +102,363 @@ public class KeystoreConfigurationComposite extends BaseConfigurationComposite {
 		setLayout(new FormLayout());
 
 		this.grpKeystore = new Group(this, SWT.NONE | SWT.RESIZE);
+		FormLayout layout = new FormLayout();
+		layout.marginHeight = 10;
+		layout.marginWidth = 5;
+		this.grpKeystore.setLayout(layout);
 		FormData fd_grpKeystore = new FormData();
-		fd_grpKeystore.right = new FormAttachment(100, -5);
-		fd_grpKeystore.left = new FormAttachment(0, 5);
 		fd_grpKeystore.top = new FormAttachment(0, 5);
+		fd_grpKeystore.left = new FormAttachment(0, 5);
+		fd_grpKeystore.right = new FormAttachment(100, -5);
 		this.grpKeystore.setLayoutData(fd_grpKeystore);
-		this.grpKeystore.setLayout(new GridLayout(2, false));
 
-		FontData[] fD_grpKeystore = this.grpKeystore.getFont()
-				.getFontData();
+		FontData[] fD_grpKeystore = this.grpKeystore.getFont().getFontData();
 		fD_grpKeystore[0].setHeight(Constants.TEXT_SIZE_NORMAL);
 		this.grpKeystore.setFont(new Font(Display.getCurrent(),
 				fD_grpKeystore[0]));
 
+		this.lblKeystoreFile = new Label(this.grpKeystore, SWT.NONE);
+		FormData fd_lblKeystoreFile = new FormData();
+		fd_lblKeystoreFile.top = new FormAttachment(0);
+		fd_lblKeystoreFile.left = new FormAttachment(0, 5);
+		this.lblKeystoreFile.setLayoutData(fd_lblKeystoreFile);
+
+		FontData[] fD_lblKeystoreFile = this.lblKeystoreFile.getFont()
+				.getFontData();
+		fD_lblKeystoreFile[0].setHeight(Constants.TEXT_SIZE_NORMAL);
+		this.lblKeystoreFile.setFont(new Font(Display.getCurrent(),
+				fD_lblKeystoreFile[0]));
+
+		this.txtKeystoreFile = new Text(this.grpKeystore, SWT.BORDER);
+		FormData fd_txtKeystoreFile = new FormData();
+		fd_txtKeystoreFile.top = new FormAttachment(this.lblKeystoreFile, 5);
+		fd_txtKeystoreFile.left = new FormAttachment(0, 15);
+		this.txtKeystoreFile.setLayoutData(fd_txtKeystoreFile);
+
+		FontData[] fD_txtKeystoreFile = this.txtKeystoreFile.getFont()
+				.getFontData();
+		fD_txtKeystoreFile[0].setHeight(Constants.TEXT_SIZE_NORMAL);
+		this.txtKeystoreFile.setFont(new Font(Display.getCurrent(),
+				fD_txtKeystoreFile[0]));
+
+		this.txtKeystoreFile.addFocusListener(new FocusAdapter() {
+			@Override
+			public void focusLost(FocusEvent e) {
+				performKeystoreFileChanged(KeystoreConfigurationComposite.this.
+						txtKeystoreFile.getText());
+			}
+		});
+
+		this.btnBrowse = new Button(this.grpKeystore, SWT.NONE);
+		fd_txtKeystoreFile.right = new FormAttachment(this.btnBrowse, -5);
+
+		FontData[] fD_btnBrowse = this.btnBrowse.getFont().getFontData();
+		fD_btnBrowse[0].setHeight(Constants.TEXT_SIZE_BUTTON);
+		this.btnBrowse.setFont(new Font(Display.getCurrent(), fD_btnBrowse[0]));
+
+		FormData fd_btnBrowse = new FormData();
+		fd_btnBrowse.top = new FormAttachment(this.lblKeystoreFile, 5);
+		fd_btnBrowse.right = new FormAttachment(100, -5);
+		this.btnBrowse.setLayoutData(fd_btnBrowse);
+
+		this.btnBrowse.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				FileDialog dialog = new FileDialog(
+						KeystoreConfigurationComposite.this.getShell(), SWT.OPEN);
+				dialog.setFilterExtensions(new String[] {
+						"*.p12;*.pkcs12;*.pfx;*.ks;*.jks", "*.p12;*.pkcs12;*.pfx;", "*.ks;*.jks*.", "*" }); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
+				dialog.setFilterNames(new String[] {
+						Messages.getString("common.KeystoreExtension_Description"), //$NON-NLS-1$
+						Messages.getString("common.PKCS12Extension_Description"), //$NON-NLS-1$
+						Messages.getString("common.KSExtension_Description"), //$NON-NLS-1$
+						Messages.getString("common.AllExtension_Description") }); //$NON-NLS-1$
+				String fileName = dialog.open();
+				File file = null;
+				if (fileName != null) {
+					file = new File(fileName);
+					if (file.exists()) {
+						performKeystoreFileChanged(fileName);
+					}
+				}
+			}
+		});
+
+		this.lblKeystoreType = new Label(this.grpKeystore, SWT.NONE);
+		FormData fd_lblKeystoreType = new FormData();
+		fd_lblKeystoreType.top = new FormAttachment(this.txtKeystoreFile, 5);
+		fd_lblKeystoreType.left = new FormAttachment(0, 5);
+		this.lblKeystoreType.setLayoutData(fd_lblKeystoreType);
+
+		FontData[] fD_lblKeystoreType = this.lblKeystoreType.getFont()
+				.getFontData();
+		fD_lblKeystoreType[0].setHeight(Constants.TEXT_SIZE_NORMAL);
+		this.lblKeystoreType.setFont(new Font(Display.getCurrent(),
+				fD_lblKeystoreType[0]));
+
+		this.cmbKeystoreType = new Combo(this.grpKeystore, SWT.READ_ONLY);
+		FormData fd_cmbKeystoreType = new FormData();
+		fd_cmbKeystoreType.right = new FormAttachment(100, -5);
+		fd_cmbKeystoreType.top = new FormAttachment(this.lblKeystoreType, 5);
+		fd_cmbKeystoreType.left = new FormAttachment(0, 15);
+		this.cmbKeystoreType.setLayoutData(fd_cmbKeystoreType);
+
+		FontData[] fD_cmbKeystoreType = this.cmbKeystoreType.getFont()
+				.getFontData();
+		fD_cmbKeystoreType[0].setHeight(Constants.TEXT_SIZE_NORMAL);
+		this.cmbKeystoreType.setFont(new Font(Display.getCurrent(),
+				fD_cmbKeystoreType[0]));
+
+		initKeystoreTypes();
+		this.cmbKeystoreType.setItems(this.keystoreTypes.keySet().toArray(new String[0]));
+		this.cmbKeystoreType.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				performKeystoreTypeChanged(
+						KeystoreConfigurationComposite.this.cmbKeystoreType.getItem(
+								KeystoreConfigurationComposite.this.cmbKeystoreType.getSelectionIndex()));
+			}
+		});
+
+		this.lblKeystoreStorePass = new Label(this.grpKeystore, SWT.NONE);
+		FormData fd_lblKeystoreStorePass = new FormData();
+		fd_lblKeystoreStorePass.top = new FormAttachment(this.cmbKeystoreType, 5);
+		fd_lblKeystoreStorePass.left = new FormAttachment(0, 5);
+		this.lblKeystoreStorePass.setLayoutData(fd_lblKeystoreStorePass);
+
+		FontData[] fD_lblKeystoreStorePass = this.lblKeystoreStorePass.getFont()
+				.getFontData();
+		fD_lblKeystoreStorePass[0].setHeight(Constants.TEXT_SIZE_NORMAL);
+		this.lblKeystoreStorePass.setFont(new Font(Display.getCurrent(),
+				fD_lblKeystoreStorePass[0]));
+
+		this.txtKeystoreStorePass = new Text(this.grpKeystore, SWT.BORDER | SWT.PASSWORD);
+		FormData fd_txtKeystoreStorePass = new FormData();
+		fd_txtKeystoreStorePass.top = new FormAttachment(this.lblKeystoreStorePass, 5);
+		fd_txtKeystoreStorePass.left = new FormAttachment(0, 15);
+		this.txtKeystoreStorePass.setLayoutData(fd_txtKeystoreStorePass);
+
+		FontData[] fD_txtKeystoreStorePass = this.txtKeystoreStorePass.getFont()
+				.getFontData();
+		fD_txtKeystoreStorePass[0].setHeight(Constants.TEXT_SIZE_NORMAL);
+		this.txtKeystoreStorePass.setFont(new Font(Display.getCurrent(),
+				fD_txtKeystoreStorePass[0]));
+
+		this.txtKeystoreStorePass.addFocusListener(new FocusAdapter() {
+			@Override
+			public void focusLost(FocusEvent e) {
+				performKeystoreStorePassChanged(KeystoreConfigurationComposite.
+						this.txtKeystoreStorePass.getText());
+			}
+		});
+
+		this.btnLoad = new Button(this.grpKeystore, SWT.NONE);
+		fd_txtKeystoreStorePass.right = new FormAttachment(this.btnLoad, -5);
+
+		FontData[] fD_btnLoad = this.btnLoad.getFont().getFontData();
+		fD_btnLoad[0].setHeight(Constants.TEXT_SIZE_BUTTON);
+		this.btnLoad.setFont(new Font(Display.getCurrent(), fD_btnLoad[0]));
+
+		FormData fd_btnLoad = new FormData();
+		fd_btnLoad.top = new FormAttachment(this.lblKeystoreStorePass, 5);
+		fd_btnLoad.right = new FormAttachment(100, -5);
+		this.btnLoad.setLayoutData(fd_btnLoad);
+
+		this.btnLoad.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				File f = new File(KeystoreConfigurationComposite.this
+						.configurationContainer.getKeyStoreFile());
+				try {
+					loadKeystore();
+				} catch (KeyStoreException ex) {
+					log.error("Error loading keystore", ex); //$NON-NLS-1$
+					showErrorDialog(Messages.getString("error.KeyStore")); //$NON-NLS-1$
+				} catch (FileNotFoundException ex) {
+					log.error("Error loading keystore", ex); //$NON-NLS-1$
+					showErrorDialog(String.format(Messages.getString(
+							"error.FileNotExist"), f.getName())); //$NON-NLS-1$
+				} catch (NoSuchAlgorithmException ex) {
+					log.error("Error loading keystore", ex); //$NON-NLS-1$
+					showErrorDialog(Messages.getString("error.KeyStore")); //$NON-NLS-1$
+				} catch (CertificateException ex) {
+					log.error("Error loading keystore", ex); //$NON-NLS-1$
+					showErrorDialog(Messages.getString("error.KeyStore")); //$NON-NLS-1$
+				} catch (IOException ex) {
+					log.error("Error loading keystore", ex); //$NON-NLS-1$
+					showErrorDialog(Messages.getString("error.KeyStore")); //$NON-NLS-1$
+				}
+						
+			}
+		});
+
+		this.lblKeystoreAlias = new Label(this.grpKeystore, SWT.NONE);
+		FormData fd_lblKeystoreAlias = new FormData();
+		fd_lblKeystoreAlias.top = new FormAttachment(this.txtKeystoreStorePass, 5);
+		fd_lblKeystoreAlias.left = new FormAttachment(0, 5);
+		this.lblKeystoreAlias.setLayoutData(fd_lblKeystoreAlias);
+
+		FontData[] fD_lblKeystoreAlias = this.lblKeystoreAlias.getFont()
+				.getFontData();
+		fD_lblKeystoreAlias[0].setHeight(Constants.TEXT_SIZE_NORMAL);
+		this.lblKeystoreAlias.setFont(new Font(Display.getCurrent(),
+				fD_lblKeystoreAlias[0]));
+
+		this.cmbKeystoreAlias = new Combo(this.grpKeystore, SWT.READ_ONLY);
+		FormData fd_cmbKeystoreAlias = new FormData();
+		fd_cmbKeystoreAlias.right = new FormAttachment(100, -5);
+		fd_cmbKeystoreAlias.top = new FormAttachment(this.lblKeystoreAlias, 5);
+		fd_cmbKeystoreAlias.left = new FormAttachment(0, 15);
+		this.cmbKeystoreAlias.setLayoutData(fd_cmbKeystoreAlias);
+
+		FontData[] fD_cmbKeystoreAlias = this.cmbKeystoreAlias.getFont()
+				.getFontData();
+		fD_cmbKeystoreAlias[0].setHeight(Constants.TEXT_SIZE_NORMAL);
+		this.cmbKeystoreAlias.setFont(new Font(Display.getCurrent(),
+				fD_cmbKeystoreAlias[0]));
+
+		this.cmbKeystoreAlias.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				performKeystoreAliasChanged(
+						KeystoreConfigurationComposite.this.cmbKeystoreAlias.getItem(
+								KeystoreConfigurationComposite.this.cmbKeystoreAlias.getSelectionIndex()));
+			}
+		});
+
+		this.lblKeystoreKeyPass = new Label(this.grpKeystore, SWT.NONE);
+		FormData fd_lblKeystoreKeyPass = new FormData();
+		fd_lblKeystoreKeyPass.top = new FormAttachment(this.cmbKeystoreAlias, 5);
+		fd_lblKeystoreKeyPass.left = new FormAttachment(0, 5);
+		this.lblKeystoreKeyPass.setLayoutData(fd_lblKeystoreKeyPass);
+
+		FontData[] fD_lblKeystoreKeyPass = this.lblKeystoreKeyPass.getFont()
+				.getFontData();
+		fD_lblKeystoreKeyPass[0].setHeight(Constants.TEXT_SIZE_NORMAL);
+		this.lblKeystoreKeyPass.setFont(new Font(Display.getCurrent(),
+				fD_lblKeystoreKeyPass[0]));
+
+		this.txtKeystoreKeyPass = new Text(this.grpKeystore, SWT.BORDER | SWT.PASSWORD);
+		FormData fd_txtKeystoreKeyPass = new FormData();
+		fd_txtKeystoreKeyPass.top = new FormAttachment(this.lblKeystoreKeyPass, 5);
+		fd_txtKeystoreKeyPass.left = new FormAttachment(0, 15);
+		fd_txtKeystoreKeyPass.right = new FormAttachment(100, -5);
+		this.txtKeystoreKeyPass.setLayoutData(fd_txtKeystoreKeyPass);
+
+		FontData[] fD_txtKeystoreKeyPass = this.txtKeystoreKeyPass.getFont()
+				.getFontData();
+		fD_txtKeystoreKeyPass[0].setHeight(Constants.TEXT_SIZE_NORMAL);
+		this.txtKeystoreKeyPass.setFont(new Font(Display.getCurrent(),
+				fD_txtKeystoreKeyPass[0]));
+
+		this.txtKeystoreKeyPass.addFocusListener(new FocusAdapter() {
+			@Override
+			public void focusLost(FocusEvent e) {
+				performKeystoreKeyPassChanged(KeystoreConfigurationComposite.
+						this.txtKeystoreKeyPass.getText());
+			}
+		});
+
 		// Load localized strings
 		reloadResources();
 	}
 
+	void showErrorDialog(String error) {
+		ErrorDialog e = new ErrorDialog(getShell(), error, BUTTONS.OK);
+		e.open();
+	}
+
+	void loadKeystore() throws KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException {
+		ConfigurationContainer config = 
+				KeystoreConfigurationComposite.this.configurationContainer;
+		File f = new File(config.getKeyStoreFile());
+		KeyStore ks = KeyStore.getInstance(config.getKeyStoreType());
+		FileInputStream fis = new FileInputStream(f);
+		ks.load(fis, config.getKeyStoreStorePass().toCharArray());
+		this.cmbKeystoreAlias.removeAll();
+		Enumeration<String> aliases = ks.aliases();
+		while (aliases.hasMoreElements())
+			this.cmbKeystoreAlias.add(aliases.nextElement());
+	}
+
+	private void initKeystoreTypes() {
+		this.keystoreTypes = new HashMap<String, String>();
+		this.keystoreTypes_i = new HashMap<String, String>();
+		this.keystoreTypes.put(Messages.getString("keystore_config.KeystoreType_PKCS12"), "PKCS12"); //$NON-NLS-1$ //$NON-NLS-2$
+		this.keystoreTypes_i.put("PKCS12", Messages.getString("keystore_config.KeystoreType_PKCS12")); //$NON-NLS-1$ //$NON-NLS-2$
+		this.keystoreTypes.put(Messages.getString("keystore_config.KeystoreType_JKS"), "JCEKS"); //$NON-NLS-1$ //$NON-NLS-2$
+		this.keystoreTypes_i.put("JCEKS", Messages.getString("keystore_config.KeystoreType_JKS")); //$NON-NLS-1$ //$NON-NLS-2$
+	}
+
 	/**
-	 * 
+	 * @param fileName 
 	 */
-	private final class KeystoreFileBrowser extends SelectionAdapter {
-		/**
-		 * 
-		 */
-		public KeystoreFileBrowser() {
-			// Nothing to do
+	protected void performKeystoreFileChanged(String fileName) {
+		log.debug("Selected keystore file: " + fileName); //$NON-NLS-1$
+		this.configurationContainer.setKeyStoreFile(fileName);
+		KeystoreConfigurationComposite.this.txtKeystoreFile.setText(fileName);
+		int i = fileName.lastIndexOf('.');
+		if (i > 0) {
+			String ext = fileName.substring(i+1);
+			if (
+					ext.equalsIgnoreCase("p12") || //$NON-NLS-1$
+					ext.equalsIgnoreCase("pkcs12") || //$NON-NLS-1$
+					ext.equalsIgnoreCase("pfx")) //$NON-NLS-1$
+				performKeystoreTypeChanged(this.keystoreTypes_i.get("PKCS12")); //$NON-NLS-1$
+			else if (
+					ext.equalsIgnoreCase("ks") || //$NON-NLS-1$
+					ext.equalsIgnoreCase("jks")) //$NON-NLS-1$
+				performKeystoreTypeChanged(this.keystoreTypes_i.get("JCEKS")); //$NON-NLS-1$
 		}
+	}
 
-		@Override
-		public void widgetSelected(SelectionEvent e) {
-			FileDialog dialog = new FileDialog(
-					KeystoreConfigurationComposite.this.getShell(), SWT.OPEN);
-			dialog.setFilterExtensions(new String[] {
-					"*.p12;*.pkcs12;*.ks;*.jks", "*.p12;*.pkcs12", "*.ks;*.jks*.", "*" }); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
-			dialog.setFilterNames(new String[] {
-					Messages.getString("common.KeystoreExtension_Description"), //$NON-NLS-1$
-					Messages.getString("common.PKCS12Extension_Description"), //$NON-NLS-1$
-					Messages.getString("common.KSExtension_Description"), //$NON-NLS-1$
-					Messages.getString("common.AllExtension_Description") }); //$NON-NLS-1$
-			String fileName = dialog.open();
-			File file = null;
-			if (fileName != null) {
-				file = new File(fileName);
-				if (file.exists()) {
-					//processEmblemChanged(fileName);
-				}
+	/**
+	 * @param type 
+	 */
+	protected void performKeystoreTypeChanged(String type) {
+		log.debug("Selected keystore type: " + type); //$NON-NLS-1$
+		this.configurationContainer.setKeyStoreType(
+				this.keystoreTypes.get(type));
+		for (int i = 0; i < this.cmbKeystoreType.getItemCount(); ++i) {
+			if (this.cmbKeystoreType.getItem(i).equals(type)) {
+				this.cmbKeystoreType.select(i);
+				break;
 			}
 		}
 	}
 
+	/**
+	 * @param storepass 
+	 */
+	protected void performKeystoreStorePassChanged(String storepass) {
+		log.debug("Changed keystore store password"); //$NON-NLS-1$
+		this.configurationContainer.setKeyStoreStorePass(storepass);
+		this.txtKeystoreStorePass.setText(storepass);
+	}
+
+	/**
+	 * @param alias
+	 */
+	protected void performKeystoreAliasChanged(String alias) {
+		log.debug("Selected keystore alias: " + alias); //$NON-NLS-1$
+		this.configurationContainer.setKeyStoreAlias(alias);
+		for (int i = 0; i < this.cmbKeystoreAlias.getItemCount(); ++i) {
+			if (this.cmbKeystoreAlias.getItem(i).equals(alias)) {
+				this.cmbKeystoreAlias.select(i);
+				break;
+			}
+		}
+	}
+
+	/**
+	 * @param keypass 
+	 */
+	protected void performKeystoreKeyPassChanged(String keypass) {
+		log.debug("Changed keystore key password"); //$NON-NLS-1$
+		this.configurationContainer.setKeyStoreKeyPass(keypass);
+		this.txtKeystoreKeyPass.setText(keypass);
+	}
+
 	/*
 	 * (non-Javadoc)
 	 * 
@@ -158,6 +467,7 @@ public class KeystoreConfigurationComposite extends BaseConfigurationComposite {
 	 */
 	@Override
 	protected void signerChanged() {
+		// Nothing to do here (yet)
 	}
 
 	/*
@@ -196,6 +506,21 @@ public class KeystoreConfigurationComposite extends BaseConfigurationComposite {
 	@Override
 	public void loadConfiguration() {
 		// Initialize form fields from configuration Container
+		performKeystoreFileChanged(
+				this.configurationContainer.getKeyStoreFile());
+		performKeystoreTypeChanged(
+				this.configurationContainer.getKeyStoreType());
+		performKeystoreStorePassChanged(
+				this.configurationContainer.getKeyStoreStorePass());
+		try {
+			loadKeystore();
+		} catch (Exception e) {
+			log.error("Error loading keystore", e); //$NON-NLS-1$
+		}
+		performKeystoreAliasChanged(
+				this.configurationContainer.getKeyStoreAlias());
+		performKeystoreKeyPassChanged(
+				this.configurationContainer.getKeyStoreKeyPass());
 	}
 
 	/* (non-Javadoc)
@@ -220,6 +545,20 @@ public class KeystoreConfigurationComposite extends BaseConfigurationComposite {
 	 */
 	@Override
 	public void validateSettings(int resumeFrom) throws Exception {
+		switch (resumeFrom) {
+		case 0:
+			File f = new File(this.configurationContainer.getKeyStoreFile());
+			if (!f.exists() || !f.isFile())
+				throw new KeystoreDoesntExistException(f, 2); //skip next check
+			// Fall through
+		case 1:
+			try {
+				loadKeystore();
+			} catch (Exception e) {
+				throw new CantLoadKeystoreException(e, 2);
+			}
+			// Fall through
+		}
 	}
 
 	/*
@@ -231,5 +570,25 @@ public class KeystoreConfigurationComposite extends BaseConfigurationComposite {
 	public void reloadResources() {
 		this.grpKeystore.setText(Messages
 				.getString("keystore_config.Keystore_Title")); //$NON-NLS-1$
+		this.lblKeystoreFile.setText(Messages
+				.getString("keystore_config.KeystoreFile")); //$NON-NLS-1$
+		this.btnBrowse.setText(Messages.getString("common.browse")); //$NON-NLS-1$
+		this.txtKeystoreFile.setToolTipText(Messages
+				.getString("keystore_config.KeystoreFile_ToolTip")); //$NON-NLS-1$
+		this.lblKeystoreType.setText(Messages
+				.getString("keystore_config.KeystoreType")); //$NON-NLS-1$
+		this.lblKeystoreStorePass.setText(Messages
+				.getString("keystore_config.KeystoreStorePass")); //$NON-NLS-1$
+		this.txtKeystoreStorePass.setToolTipText(Messages
+				.getString("keystore_config.KeystoreStorePass_ToolTip")); //$NON-NLS-1$
+		this.btnLoad.setText(Messages.getString("keystore_config.Load")); //$NON-NLS-1$
+		this.btnLoad.setToolTipText(Messages
+				.getString("keystore_config.Load_ToolTip")); //$NON-NLS-1$
+		this.lblKeystoreAlias.setText(Messages
+				.getString("keystore_config.KeystoreAlias")); //$NON-NLS-1$
+		this.lblKeystoreKeyPass.setText(Messages
+				.getString("keystore_config.KeystoreKeyPass")); //$NON-NLS-1$
+		this.txtKeystoreKeyPass.setToolTipText(Messages
+				.getString("keystore_config.KeystoreKeyPass_ToolTip")); //$NON-NLS-1$
 	}
 }
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/exceptions/CantLoadKeystoreException.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/exceptions/CantLoadKeystoreException.java
new file mode 100644
index 00000000..cb13c804
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/exceptions/CantLoadKeystoreException.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ */
+package at.asit.pdfover.gui.exceptions;
+
+import at.asit.pdfover.gui.utils.Messages;
+
+/**
+ *
+ */
+public class CantLoadKeystoreException extends ResumableException {
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 7554121273052104624L;
+
+	/**
+	 * @param resumeIndex The resume Index
+	 * @param cause The original exception
+	 */
+	public CantLoadKeystoreException(Throwable cause, int resumeIndex) {
+		super(Messages.getString("error.KeyStore"), cause, resumeIndex); //$NON-NLS-1$
+	}
+}
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/exceptions/KeystoreDoesntExistException.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/exceptions/KeystoreDoesntExistException.java
new file mode 100644
index 00000000..f0b4f8f0
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/exceptions/KeystoreDoesntExistException.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://joinup.ec.europa.eu/software/page/eupl
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ */
+package at.asit.pdfover.gui.exceptions;
+
+import java.io.File;
+
+import at.asit.pdfover.gui.utils.Messages;
+
+/**
+ *
+ */
+public class KeystoreDoesntExistException extends ResumableException {
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 8213496549933275086L;
+
+	/**
+	 * @param keystore The keystore file
+	 * @param resumeIndex The resume Index
+	 */
+	public KeystoreDoesntExistException(final File keystore, int resumeIndex) {
+		super(String.format(Messages.getString("error.FileNotExist"), keystore.getPath()), resumeIndex); //$NON-NLS-1$
+	}
+}