bundles/org.eclipse.swt/Eclipse SWT Program/win32/org/eclipse/swt/program/Program.java - platform/eclipse.platform.swt - Git at Google

 package org.eclipse.swt.program;

 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved
  */

 import org.eclipse.swt.internal.*;
 import org.eclipse.swt.internal.win32.*;
 import org.eclipse.swt.*;
 import org.eclipse.swt.graphics.*;

 import java.io.IOException;

 /**
  * Instances of this class represent programs and
  * their assoicated file extensions in the operating
  * system.
  */
 public final class Program {
 	String name;
 	String command;
 	String iconName;

 /**
  * Prevents uninitialized instances from being created outside the package.
  */
 Program () {
 }

 /*
  * Finds the program that is associated with an extension.
  * The extension may or may not begin with a '.'.
  *
  * @param extension the program extension
  * @return the program or nil
  *
  * @exception SWTError <ul>
  *		<li>ERROR_NULL_ARGUMENT when extension is null</li>
  *	</ul>
  */
 public static Program findProgram (String extension) {
 	if (extension == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
 	if (extension.length () == 0) return null;
 	if (extension.charAt (0) != '.') extension = "." + extension;
 	byte [] key = Converter.wcsToMbcs (0, extension, true);
 	int [] phkResult = new int [1];
 	if (OS.RegOpenKeyEx (OS.HKEY_CLASSES_ROOT, key, 0, OS.KEY_READ, phkResult) != 0) {
 		return null;
 	}
 	int [] lpcbData = new int [] {256};
 	byte [] lpData = new byte [lpcbData [0]];
 	int result = OS.RegQueryValueEx (phkResult [0], null, 0, null, lpData, lpcbData);
 	OS.RegCloseKey (phkResult [0]);
 	if (result != 0) return null;
 	return getProgram (lpData);
 }

 /*
  * Answer all program extensions in the operating system.
  *
  * @return an array of extensions
  */
 public static String [] getExtensions () {
 	String [] extensions = new String [1024];
 	byte [] key = new byte [1024];
 	int index = 0, count = 0;
 	while (OS.RegEnumKey (OS.HKEY_CLASSES_ROOT, index, key, key.length) != OS.ERROR_NO_MORE_ITEMS) {
 		if (key [0] == '.') {
 			int length = 0;
 			while (length < key.length && key [length] != 0) length++;
 			byte [] buffer = new byte [length];
 			System.arraycopy (key, 0, buffer, 0, length);
 			String extension = new String (Converter.mbcsToWcs (0, buffer));
 			if (count == extensions.length) {
 				String [] newExtensions = new String [extensions.length + 1024];
 				System.arraycopy (extensions, 0, newExtensions, 0, extensions.length);
 				extensions = newExtensions;
 			}
 			extensions [count++] = extension;
 		}
 		index++;
 	}
 	if (count != extensions.length) {
 		String [] newExtension = new String [count];
 		System.arraycopy (extensions, 0, newExtension, 0, count);
 		extensions = newExtension;
 	}
 	return extensions;
 }

 static String getKeyValue (byte [] key) {
 	int [] phkResult = new int [1];
 	if (OS.RegOpenKeyEx (OS.HKEY_CLASSES_ROOT, key, 0, OS.KEY_READ, phkResult) != 0) {
 		return null;
 	}
 	String result = null;
 	int [] lpcbData = new int [1];
 	if (OS.RegQueryValueEx (phkResult [0], null, 0, null, null, lpcbData) == 0) {
 		byte [] lpData = new byte [lpcbData [0]];
 		if (OS.RegQueryValueEx (phkResult [0], null, 0, null, lpData, lpcbData) == 0) {
 			char [] charArray = Converter.mbcsToWcs (0, lpData);
 			result = new String (charArray, 0, charArray.length - 1);
 		}
 	}
 	if (phkResult [0] != 0) OS.RegCloseKey (phkResult [0]);
 	return result;
 }

 static Program getProgram (byte [] key) {

 	/* Command */
 	byte [] COMMAND = Converter.wcsToMbcs (0, "\\shell\\open\\command", true);
 	int length = 0;
 	while (length < key.length && key [length] != 0) length++;
 	for (int i=0; i<COMMAND.length; i++) key [length + i] = COMMAND [i];
 	key [length + COMMAND.length] = 0;
 	String command = getKeyValue (key);
 	if (command == null || command.length () == 0) return null;

 	/* Name */
 	key [length] = 0;
 	String name = getKeyValue (key);
 	if (name == null || name.length () == 0) return null;

 	/* Icon */
 	byte [] DEFAULT_ICON = Converter.wcsToMbcs (0, "\\DefaultIcon", true);
 	for (int i=0; i<DEFAULT_ICON.length; i++) key [length + i] = DEFAULT_ICON [i];
 	key [length + DEFAULT_ICON.length] = 0;
 	String iconName = getKeyValue (key);
 	if (iconName == null || iconName.length () == 0) return null;

 	Program program = new Program ();
 	program.name = name;
 	program.command = command;
 	program.iconName = iconName;
 	return program;
 }

 /*
  * Answers all available programs in the operating system.
  *
  * @return an array of programs
  */
 public static Program [] getPrograms () {
 	Program [] programs = new Program [1024];
 	byte [] key = new byte [1024];
 	int index = 0, count = 0;
 	while (OS.RegEnumKey (OS.HKEY_CLASSES_ROOT, index, key, key.length) != OS.ERROR_NO_MORE_ITEMS) {
 		Program program = getProgram (key);
 		if (program != null) {
 			if (count == programs.length) {
 				Program [] newPrograms = new Program [programs.length + 1024];
 				System.arraycopy (programs, 0, newPrograms, 0, programs.length);
 				programs = newPrograms;
 			}
 			programs [count++] = program;
 		}
 		index++;
 	}
 	if (count != programs.length) {
 		Program [] newPrograms = new Program [count];
 		System.arraycopy (programs, 0, newPrograms, 0, count);
 		programs = newPrograms;
 	}
 	return programs;
 }

 /*
  * Launches the executable associated with the file in
  * the operating system.  If the file is an executable,
  * then the executable is launched.
  *
  * @param fileName the file or program name
  * @return <code>true</code> if the file is launched, otherwise <code>false</code>
  *
  * @exception SWTError <ul>
  *		<li>ERROR_NULL_ARGUMENT when fileName is null</li>
  *	</ul>
  */
 public static boolean launch (String fileName) {
 	if (fileName == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
 	byte [] OPEN = Converter.wcsToMbcs (0, "open", true);
 	byte [] lpFile = Converter.wcsToMbcs (0, fileName, true);
 	return OS.ShellExecute (0, OPEN, lpFile, null, null, OS.SW_SHOW) > 32;
 }

 /*
  * Executes the program with the file as the single argument
  * in the operating system.  It is the responsibility of the
  * programmer to ensure that the file contains valid data for
  * this program.
  *
  * @param fileName the file or program name
  * @return <code>true</code> if the file is launched, otherwise <code>false</code>
  *
  * @exception SWTError <ul>
  *		<li>ERROR_NULL_ARGUMENT when fileName is null</li>
  *	</ul>
  */
 public boolean execute (String fileName) {
 	if (fileName == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
 	boolean quote = true;
 	String prefix = command, suffix = "";
 	int index = command.indexOf ("%1");
 	if (index != -1) {
 		int count=0;
 		int i=index + 2, length = command.length ();
 		while (i < length) {
 			if (command.charAt (i) == '"') count++;
 			i++;
 		}
 		quote = count % 2 == 0;
 		prefix = command.substring (0, index);
 		suffix = command.substring (index + 2, length);
 	}
 	if (quote) fileName = " \"" + fileName + "\"";
 	try {
 		Runtime.getRuntime ().exec (prefix + fileName + suffix);
 	} catch (IOException e) {
 		return false;
 	}
 	return true;
 }

 /*
  * Returns the receiver's image data.  This is the icon
  * that is associated with the reciever in the operating
  * system.
  *
  * @return the image data for the program
  */
 public ImageData getImageData () {
 	int nIconIndex = 0;
 	String fileName = iconName;
 	int index = iconName.indexOf (',');
 	if (index != -1) {
 		fileName = iconName.substring (0, index);
 		String iconIndex = iconName.substring (index + 1, iconName.length ()).trim ();
 		try {
 			nIconIndex = Integer.parseInt (iconIndex);
 		} catch (NumberFormatException e) {};
 	}
 	byte [] lpszFile = Converter.wcsToMbcs (0, fileName, true);
 	int [] phiconSmall = new int[1], phiconLarge = null;
 	OS.ExtractIconEx (lpszFile, nIconIndex, phiconLarge, phiconSmall, 1);
 	if (phiconSmall [0] == 0) return null;
 	Image image = Image.win32_new (null, SWT.ICON, phiconSmall[0]);
 	ImageData imageData = image.getImageData ();
 	image.dispose ();
 	return imageData;
 }

 /*
  * Returns the receiver's name.  This is as short and
  * descriptive a name as possible for the program.  If
  * the program has no descriptive name, this string may
  * be the executable name, path or empty.
  *
  * @return an the name of the program
  */
 public String getName () {
 	return name;
 }

 public String toString () {
 	return "Program {" + name + "}";
 }

 }
	package org.eclipse.swt.program;

	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved
	*/

	import org.eclipse.swt.internal.*;
	import org.eclipse.swt.internal.win32.*;
	import org.eclipse.swt.*;
	import org.eclipse.swt.graphics.*;

	import java.io.IOException;

	/**
	* Instances of this class represent programs and
	* their assoicated file extensions in the operating
	* system.
	*/
	public final class Program {
	String name;
	String command;
	String iconName;

	/**
	* Prevents uninitialized instances from being created outside the package.
	*/
	Program () {
	}

	/*
	* Finds the program that is associated with an extension.
	* The extension may or may not begin with a '.'.
	*
	* @param extension the program extension
	* @return the program or nil
	*
	* @exception SWTError <ul>
	* <li>ERROR_NULL_ARGUMENT when extension is null</li>
	* </ul>
	*/
	public static Program findProgram (String extension) {
	if (extension == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
	if (extension.length () == 0) return null;
	if (extension.charAt (0) != '.') extension = "." + extension;
	byte [] key = Converter.wcsToMbcs (0, extension, true);
	int [] phkResult = new int [1];
	if (OS.RegOpenKeyEx (OS.HKEY_CLASSES_ROOT, key, 0, OS.KEY_READ, phkResult) != 0) {
	return null;
	}
	int [] lpcbData = new int [] {256};
	byte [] lpData = new byte [lpcbData [0]];
	int result = OS.RegQueryValueEx (phkResult [0], null, 0, null, lpData, lpcbData);
	OS.RegCloseKey (phkResult [0]);
	if (result != 0) return null;
	return getProgram (lpData);
	}

	/*
	* Answer all program extensions in the operating system.
	*
	* @return an array of extensions
	*/
	public static String [] getExtensions () {
	String [] extensions = new String [1024];
	byte [] key = new byte [1024];
	int index = 0, count = 0;
	while (OS.RegEnumKey (OS.HKEY_CLASSES_ROOT, index, key, key.length) != OS.ERROR_NO_MORE_ITEMS) {
	if (key [0] == '.') {
	int length = 0;
	while (length < key.length && key [length] != 0) length++;
	byte [] buffer = new byte [length];
	System.arraycopy (key, 0, buffer, 0, length);
	String extension = new String (Converter.mbcsToWcs (0, buffer));
	if (count == extensions.length) {
	String [] newExtensions = new String [extensions.length + 1024];
	System.arraycopy (extensions, 0, newExtensions, 0, extensions.length);
	extensions = newExtensions;
	}
	extensions [count++] = extension;
	}
	index++;
	}
	if (count != extensions.length) {
	String [] newExtension = new String [count];
	System.arraycopy (extensions, 0, newExtension, 0, count);
	extensions = newExtension;
	}
	return extensions;
	}

	static String getKeyValue (byte [] key) {
	int [] phkResult = new int [1];
	if (OS.RegOpenKeyEx (OS.HKEY_CLASSES_ROOT, key, 0, OS.KEY_READ, phkResult) != 0) {
	return null;
	}
	String result = null;
	int [] lpcbData = new int [1];
	if (OS.RegQueryValueEx (phkResult [0], null, 0, null, null, lpcbData) == 0) {
	byte [] lpData = new byte [lpcbData [0]];
	if (OS.RegQueryValueEx (phkResult [0], null, 0, null, lpData, lpcbData) == 0) {
	char [] charArray = Converter.mbcsToWcs (0, lpData);
	result = new String (charArray, 0, charArray.length - 1);
	}
	}
	if (phkResult [0] != 0) OS.RegCloseKey (phkResult [0]);
	return result;
	}

	static Program getProgram (byte [] key) {

	/* Command */
	byte [] COMMAND = Converter.wcsToMbcs (0, "\\shell\\open\\command", true);
	int length = 0;
	while (length < key.length && key [length] != 0) length++;
	for (int i=0; i<COMMAND.length; i++) key [length + i] = COMMAND [i];
	key [length + COMMAND.length] = 0;
	String command = getKeyValue (key);
	if (command == null \|\| command.length () == 0) return null;

	/* Name */
	key [length] = 0;
	String name = getKeyValue (key);
	if (name == null \|\| name.length () == 0) return null;

	/* Icon */
	byte [] DEFAULT_ICON = Converter.wcsToMbcs (0, "\\DefaultIcon", true);
	for (int i=0; i<DEFAULT_ICON.length; i++) key [length + i] = DEFAULT_ICON [i];
	key [length + DEFAULT_ICON.length] = 0;
	String iconName = getKeyValue (key);
	if (iconName == null \|\| iconName.length () == 0) return null;

	Program program = new Program ();
	program.name = name;
	program.command = command;
	program.iconName = iconName;
	return program;
	}

	/*
	* Answers all available programs in the operating system.
	*
	* @return an array of programs
	*/
	public static Program [] getPrograms () {
	Program [] programs = new Program [1024];
	byte [] key = new byte [1024];
	int index = 0, count = 0;
	while (OS.RegEnumKey (OS.HKEY_CLASSES_ROOT, index, key, key.length) != OS.ERROR_NO_MORE_ITEMS) {
	Program program = getProgram (key);
	if (program != null) {
	if (count == programs.length) {
	Program [] newPrograms = new Program [programs.length + 1024];
	System.arraycopy (programs, 0, newPrograms, 0, programs.length);
	programs = newPrograms;
	}
	programs [count++] = program;
	}
	index++;
	}
	if (count != programs.length) {
	Program [] newPrograms = new Program [count];
	System.arraycopy (programs, 0, newPrograms, 0, count);
	programs = newPrograms;
	}
	return programs;
	}

	/*
	* Launches the executable associated with the file in
	* the operating system. If the file is an executable,
	* then the executable is launched.
	*
	* @param fileName the file or program name
	* @return <code>true</code> if the file is launched, otherwise <code>false</code>
	*
	* @exception SWTError <ul>
	* <li>ERROR_NULL_ARGUMENT when fileName is null</li>
	* </ul>
	*/
	public static boolean launch (String fileName) {
	if (fileName == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
	byte [] OPEN = Converter.wcsToMbcs (0, "open", true);
	byte [] lpFile = Converter.wcsToMbcs (0, fileName, true);
	return OS.ShellExecute (0, OPEN, lpFile, null, null, OS.SW_SHOW) > 32;
	}

	/*
	* Executes the program with the file as the single argument
	* in the operating system. It is the responsibility of the
	* programmer to ensure that the file contains valid data for
	* this program.
	*
	* @param fileName the file or program name
	* @return <code>true</code> if the file is launched, otherwise <code>false</code>
	*
	* @exception SWTError <ul>
	* <li>ERROR_NULL_ARGUMENT when fileName is null</li>
	* </ul>
	*/
	public boolean execute (String fileName) {
	if (fileName == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
	boolean quote = true;
	String prefix = command, suffix = "";
	int index = command.indexOf ("%1");
	if (index != -1) {
	int count=0;
	int i=index + 2, length = command.length ();
	while (i < length) {
	if (command.charAt (i) == '"') count++;
	i++;
	}
	quote = count % 2 == 0;
	prefix = command.substring (0, index);
	suffix = command.substring (index + 2, length);
	}
	if (quote) fileName = " \"" + fileName + "\"";
	try {
	Runtime.getRuntime ().exec (prefix + fileName + suffix);
	} catch (IOException e) {
	return false;
	}
	return true;
	}

	/*
	* Returns the receiver's image data. This is the icon
	* that is associated with the reciever in the operating
	* system.
	*
	* @return the image data for the program
	*/
	public ImageData getImageData () {
	int nIconIndex = 0;
	String fileName = iconName;
	int index = iconName.indexOf (',');
	if (index != -1) {
	fileName = iconName.substring (0, index);
	String iconIndex = iconName.substring (index + 1, iconName.length ()).trim ();
	try {
	nIconIndex = Integer.parseInt (iconIndex);
	} catch (NumberFormatException e) {};
	}
	byte [] lpszFile = Converter.wcsToMbcs (0, fileName, true);
	int [] phiconSmall = new int[1], phiconLarge = null;
	OS.ExtractIconEx (lpszFile, nIconIndex, phiconLarge, phiconSmall, 1);
	if (phiconSmall [0] == 0) return null;
	Image image = Image.win32_new (null, SWT.ICON, phiconSmall[0]);
	ImageData imageData = image.getImageData ();
	image.dispose ();
	return imageData;
	}

	/*
	* Returns the receiver's name. This is as short and
	* descriptive a name as possible for the program. If
	* the program has no descriptive name, this string may
	* be the executable name, path or empty.
	*
	* @return an the name of the program
	*/
	public String getName () {
	return name;
	}

	public String toString () {
	return "Program {" + name + "}";
	}

	}