MsgHook Native library updates

MsgHook Native library works from native test application, still
introducing library to java side through jni.

src/org/synthuse/MessageHookFrame.java

@@ -26,6 +26,8 @@ public class MessageHookFrame extends JFrame {
 	public static final int WH_GETMESSAGE = 3;
 	public static final int WH_KEYBOARD_LL = 13;
 	
+	public static final int WM_COPYDATA = 74;
+	
 	private JTextArea textArea;
 	private JButton btnSave;
 	private JButton btnStartMsgHook;
@@ -91,6 +93,8 @@ public class MessageHookFrame extends JFrame {
 	}
 
 	public void createMessageHook() {
+		/*
+		// Below set windows hook is called from inside the native DLL
 		if (hHook != null)
 			return; //hook already running don't add anymore
 		System.out.println("starting global message hook");
@@ -108,13 +112,17 @@ public class MessageHookFrame extends JFrame {
 		hHook = User32.INSTANCE.SetWindowsHookEx(WH_CALLWNDPROC, lpfn, hMod, threadId);
 		if (hHook == null)
 			return;
+		*/
+		MsgHook mh = new MsgHook();
+		//mh.setMessageHook(hwnd, threadId);
 		
 		MSG msg = new MSG();
 		try {
 			
 			while (!quit) {
 				User32.INSTANCE.PeekMessage(msg, null, 0, 0, 1);
-				if (msg.message == User32.WM_HOTKEY){ // && msg.wParam.intValue() == 1
+				if (msg.message == WM_COPYDATA){ // && msg.wParam.intValue() == 1
+					System.out.println("WM_COPYDATA");
 					msg = new MSG(); //must clear msg so it doesn't repeat
 				}
 				Thread.sleep(10);

src/org/synthuse/MsgHook.java

@@ -1,6 +1,84 @@
 package org.synthuse;
 
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+import javax.swing.JOptionPane;
+
 public class MsgHook {
 
-
+	
+	static
+	{
+		String loadFailedMsg = "Failed to load MsgHook library.\n";
+		//System.out.println("SynthuseDlg.config.disableUiaBridge: " + SynthuseDlg.config.disableUiaBridge);
+	    String archDataModel = System.getProperty("sun.arch.data.model");//32 or 64 bit
+	    try {
+	    	loadNativeLibraryFromJar("/MsgHook" + archDataModel + ".dll");
+	    } catch (Exception ex) {
+	    	StringWriter sw = new StringWriter();
+	    	PrintWriter pw = new PrintWriter(sw);
+	    	ex.printStackTrace(pw);
+	    	System.out.println(sw.toString());
+	    	JOptionPane.showMessageDialog(null, loadFailedMsg + sw.toString() , "Native Library Load Error", JOptionPane.ERROR_MESSAGE);
+	    }
+	}
+	
+    public static void loadNativeLibraryFromJar(String path) {
+        // Obtain filename from path
+        String[] parts = path.split("/");
+        String filename = (parts.length > 1) ? parts[parts.length - 1] : null;
+        // Split filename to prexif and suffix (extension)
+        String prefix = "";
+        String suffix = null;
+        if (filename != null) {
+            parts = filename.split("\\.", 2);
+            prefix = parts[0];
+            suffix = (parts.length > 1) ? "."+parts[parts.length - 1] : null;
+        }
+        File temp = null;
+        try {
+	        // Prepare temporary file
+	        temp = File.createTempFile(prefix, suffix);
+	        temp.deleteOnExit();
+        } catch(Exception e) {
+        	e.printStackTrace();
+        }
+        if (!temp.exists()) { //some reason the temp file wasn't create so abort
+            System.out.println("File " + temp.getAbsolutePath() + " does not exist.");
+            return;
+        }
+ 
+        // Prepare buffer for data copying
+        byte[] buffer = new byte[1024];
+        int readBytes;
+        // Open and check input stream
+        InputStream is = MsgHook.class.getResourceAsStream(path);
+        if (is == null) { //check if valid
+            System.out.println("File " + path + " was not found inside JAR.");
+            return;
+        }
+        // Open output stream and copy data between source file in JAR and the temporary file
+        OutputStream os = null;
+        try {
+        	os = new FileOutputStream(temp);
+            while ((readBytes = is.read(buffer)) != -1) {
+                os.write(buffer, 0, readBytes);
+            }
+       		os.close();
+            is.close();
+        } catch(Exception e) {
+        	e.printStackTrace();
+        }
+        // Finally, load the library
+        System.load(temp.getAbsolutePath());
+    }
+    
+	public native boolean setMessageHook(long hwnd, long threadId);
+	public native boolean removeMessageHook();
+	
 }

src/org/synthuse/SynthuseDlg.java

@@ -215,7 +215,7 @@ public class SynthuseDlg extends JFrame {
 		helpBtn.addActionListener(new ActionListener() {
 			public void actionPerformed(ActionEvent arg0) {
 				String about = "";
-				about += "Synthuse Version " + VERSION_STR + " create by Edward Jakubowski ejakubowski7@gmail.com\n\n";
+				about += "Synthuse Version " + VERSION_STR + " created by Edward Jakubowski ejakubowski7@gmail.com\n\n";
 				
 				about += "Application information: \n";
 				about += " alwaysOnTop - " + config.isAlwaysOnTop() + "\n";

src/org/synthuse/XpathManager.java

@@ -235,7 +235,7 @@ public class XpathManager implements Runnable{
 						++matches;
 					}
 				}
-				lblStatus.setText(results + " matches");
+				lblStatus.setText(results + " match(es)");
 				if (cPos > 0  && matches == 0 && !alwaysFromTop) { //ask if user wants to search from top
 					int result = JOptionPane.showConfirmDialog(target.getTopLevelAncestor(), "No more matches found.  Do you want to search from the top of the document?", "Find", JOptionPane.YES_NO_OPTION);
 					if (result == JOptionPane.YES_OPTION) {