| /******************************************************************************* |
| * Copyright (c) 2000, 2009 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.program; |
| |
| |
| import org.eclipse.swt.internal.cocoa.*; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.graphics.*; |
| |
| import java.util.Vector; |
| |
| /** |
| * Instances of this class represent programs and |
| * their associated file extensions in the operating |
| * system. |
| * |
| * @see <a href="http://www.eclipse.org/swt/snippets/#program">Program snippets</a> |
| * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| */ |
| public final class Program { |
| String name, fullPath, identifier; |
| |
| static final String PREFIX_FILE = "file:"; //$NON-NLS-1$ |
| static final String PREFIX_HTTP = "http://"; //$NON-NLS-1$ |
| static final String PREFIX_HTTPS = "https://"; //$NON-NLS-1$ |
| |
| /** |
| * 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 '.'. Note that |
| * a <code>Display</code> must already exist to guarantee that |
| * this method returns an appropriate result. |
| * |
| * @param extension the program extension |
| * @return the program or <code>null</code> |
| * |
| * @exception IllegalArgumentException <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; |
| Program program = null; |
| char[] chars; |
| if (extension.charAt (0) != '.') { |
| chars = new char[extension.length()]; |
| extension.getChars(0, chars.length, chars, 0); |
| } else { |
| chars = new char[extension.length() - 1]; |
| extension.getChars(1, extension.length(), chars, 0); |
| } |
| NSString ext = NSString.stringWithCharacters(chars, chars.length); |
| if (ext != null) { |
| byte[] fsRef = new byte[80]; |
| if (OS.LSGetApplicationForInfo(OS.kLSUnknownType, OS.kLSUnknownCreator, ext.id, OS.kLSRolesAll, fsRef, null) == OS.noErr) { |
| int /*long*/ url = OS.CFURLCreateFromFSRef(OS.kCFAllocatorDefault(), fsRef); |
| if (url != 0) { |
| NSString bundlePath = new NSURL(url).path(); |
| NSBundle bundle = NSBundle.bundleWithPath(bundlePath); |
| program = getProgram(bundle); |
| OS.CFRelease(url); |
| } |
| } |
| } |
| return program; |
| } |
| |
| /** |
| * Answer all program extensions in the operating system. Note |
| * that a <code>Display</code> must already exist to guarantee |
| * that this method returns an appropriate result. |
| * |
| * @return an array of extensions |
| */ |
| public static String [] getExtensions () { |
| NSAutoreleasePool pool = (NSAutoreleasePool) new NSAutoreleasePool().alloc().init(); |
| try { |
| NSMutableSet supportedDocumentTypes = (NSMutableSet)NSMutableSet.set(); |
| NSWorkspace workspace = NSWorkspace.sharedWorkspace(); |
| NSString CFBundleDocumentTypes = NSString.stringWith("CFBundleDocumentTypes"); |
| NSString CFBundleTypeExtensions = NSString.stringWith("CFBundleTypeExtensions"); |
| NSArray array = new NSArray(OS.NSSearchPathForDirectoriesInDomains(OS.NSAllApplicationsDirectory, OS.NSAllDomainsMask, true)); |
| int count = (int)/*64*/array.count(); |
| for (int i = 0; i < count; i++) { |
| NSString path = new NSString(array.objectAtIndex(i)); |
| NSFileManager fileManager = NSFileManager.defaultManager(); |
| NSDirectoryEnumerator enumerator = fileManager.enumeratorAtPath(path); |
| if (enumerator != null) { |
| id id; |
| while ((id = enumerator.nextObject()) != null) { |
| enumerator.skipDescendents(); |
| NSString filePath = new NSString(id.id); |
| NSString fullPath = path.stringByAppendingPathComponent(filePath); |
| if (workspace.isFilePackageAtPath(fullPath)) { |
| NSBundle bundle = NSBundle.bundleWithPath(fullPath); |
| id = bundle.infoDictionary().objectForKey(CFBundleDocumentTypes); |
| if (id != null) { |
| NSDictionary documentTypes = new NSDictionary(id.id); |
| NSEnumerator documentTypesEnumerator = documentTypes.objectEnumerator(); |
| while ((id = documentTypesEnumerator.nextObject()) != null) { |
| NSDictionary documentType = new NSDictionary(id.id); |
| id = documentType.objectForKey(CFBundleTypeExtensions); |
| if (id != null) { |
| supportedDocumentTypes.addObjectsFromArray(new NSArray(id.id)); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| int i = 0; |
| String[] exts = new String[(int)/*64*/supportedDocumentTypes.count()]; |
| NSEnumerator enumerator = supportedDocumentTypes.objectEnumerator(); |
| id id; |
| while ((id = enumerator.nextObject()) != null) { |
| String ext = new NSString(id.id).getString(); |
| if (!ext.equals("*")) exts[i++] = "." + ext; |
| } |
| if (i != exts.length) { |
| String[] temp = new String[i]; |
| System.arraycopy(exts, 0, temp, 0, i); |
| exts = temp; |
| } |
| return exts; |
| } finally { |
| pool.release(); |
| } |
| } |
| |
| static Program getProgram(NSBundle bundle) { |
| NSString CFBundleName = NSString.stringWith("CFBundleName"); |
| NSString CFBundleDisplayName = NSString.stringWith("CFBundleDisplayName"); |
| NSString fullPath = bundle.bundlePath(); |
| NSString identifier = bundle.bundleIdentifier(); |
| id bundleName = bundle.objectForInfoDictionaryKey(CFBundleDisplayName); |
| if (bundleName == null) { |
| bundleName = bundle.objectForInfoDictionaryKey(CFBundleName); |
| } |
| if (bundleName == null) { |
| bundleName = fullPath.lastPathComponent().stringByDeletingPathExtension(); |
| } |
| NSString name = new NSString(bundleName.id); |
| Program program = new Program(); |
| program.name = name.getString(); |
| program.fullPath = fullPath.getString(); |
| program.identifier = identifier != null ? identifier.getString() : ""; |
| return program; |
| } |
| |
| /** |
| * Answers all available programs in the operating system. Note |
| * that a <code>Display</code> must already exist to guarantee |
| * that this method returns an appropriate result. |
| * |
| * @return an array of programs |
| */ |
| public static Program [] getPrograms () { |
| NSAutoreleasePool pool = (NSAutoreleasePool) new NSAutoreleasePool().alloc().init(); |
| try { |
| Vector vector = new Vector(); |
| NSWorkspace workspace = NSWorkspace.sharedWorkspace(); |
| NSArray array = new NSArray(OS.NSSearchPathForDirectoriesInDomains(OS.NSAllApplicationsDirectory, OS.NSAllDomainsMask, true)); |
| int count = (int)/*64*/array.count(); |
| for (int i = 0; i < count; i++) { |
| NSString path = new NSString(array.objectAtIndex(i)); |
| NSFileManager fileManager = NSFileManager.defaultManager(); |
| NSDirectoryEnumerator enumerator = fileManager.enumeratorAtPath(path); |
| if (enumerator != null) { |
| id id; |
| while ((id = enumerator.nextObject()) != null) { |
| enumerator.skipDescendents(); |
| NSString fullPath = path.stringByAppendingPathComponent(new NSString(id.id)); |
| if (workspace.isFilePackageAtPath(fullPath)) { |
| NSBundle bundle = NSBundle.bundleWithPath(fullPath); |
| if (bundle != null) vector.addElement(getProgram(bundle)); |
| } |
| } |
| } |
| } |
| Program[] programs = new Program[vector.size()]; |
| vector.copyInto(programs); |
| return programs; |
| } finally { |
| pool.release(); |
| } |
| } |
| |
| /** |
| * Launches the operating system executable associated with the file or |
| * URL (http:// or https://). If the file is an executable then the |
| * executable is launched. Note that a <code>Display</code> must already |
| * exist to guarantee that this method returns an appropriate result. |
| * |
| * @param fileName the file or program name or URL (http:// or https://) |
| * @return <code>true</code> if the file is launched, otherwise <code>false</code> |
| * |
| * @exception IllegalArgumentException <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); |
| NSAutoreleasePool pool = (NSAutoreleasePool) new NSAutoreleasePool().alloc().init(); |
| try { |
| NSString unescapedStr = NSString.stringWith("%"); //$NON-NLS-1$ |
| String lowercaseName = fileName.toLowerCase (); |
| if (lowercaseName.startsWith (PREFIX_HTTP) || lowercaseName.startsWith (PREFIX_HTTPS)) { |
| unescapedStr = NSString.stringWith("%#"); //$NON-NLS-1$ |
| } else { |
| if (!lowercaseName.startsWith (PREFIX_FILE)) { |
| fileName = PREFIX_FILE + fileName; |
| } |
| } |
| NSString fullPath = NSString.stringWith(fileName); |
| int /*long*/ ptr = OS.CFURLCreateStringByAddingPercentEscapes(0, fullPath.id, unescapedStr.id, 0, OS.kCFStringEncodingUTF8); |
| NSString escapedString = new NSString(ptr); |
| NSWorkspace workspace = NSWorkspace.sharedWorkspace(); |
| boolean result = workspace.openURL(NSURL.URLWithString(escapedString)); |
| OS.CFRelease(ptr); |
| return result; |
| } finally { |
| pool.release(); |
| } |
| } |
| |
| /** |
| * 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 IllegalArgumentException <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); |
| NSAutoreleasePool pool = (NSAutoreleasePool) new NSAutoreleasePool().alloc().init(); |
| try { |
| NSWorkspace workspace = NSWorkspace.sharedWorkspace(); |
| String lowercaseName = fileName.toLowerCase (); |
| if (lowercaseName.startsWith (PREFIX_HTTP) || lowercaseName.startsWith (PREFIX_HTTPS)) { |
| NSString fullPath = NSString.stringWith(fileName); |
| NSString unescapedStr = NSString.stringWith("%#"); //$NON-NLS-1$ |
| int /*long*/ ptr = OS.CFURLCreateStringByAddingPercentEscapes(0, fullPath.id, unescapedStr.id, 0, OS.kCFStringEncodingUTF8); |
| NSString escapedString = new NSString(ptr); |
| NSArray urls = NSArray.arrayWithObject(NSURL.URLWithString(escapedString)); |
| OS.CFRelease(ptr); |
| return workspace.openURLs(urls, NSString.stringWith(identifier), 0, null, 0); |
| } else { |
| if (fileName.startsWith (PREFIX_FILE)) { |
| fileName = fileName.substring (PREFIX_FILE.length ()); |
| } |
| NSString fullPath = NSString.stringWith (fileName); |
| return workspace.openFile (fullPath, NSString.stringWith (name)); |
| } |
| } finally { |
| pool.release(); |
| } |
| } |
| |
| /** |
| * Returns the receiver's image data. This is the icon |
| * that is associated with the receiver in the operating |
| * system. |
| * |
| * @return the image data for the program, may be null |
| */ |
| public ImageData getImageData () { |
| NSAutoreleasePool pool = (NSAutoreleasePool) new NSAutoreleasePool().alloc().init(); |
| try { |
| NSWorkspace workspace = NSWorkspace.sharedWorkspace(); |
| NSString fullPath; |
| if (this.fullPath != null) { |
| fullPath = NSString.stringWith(this.fullPath); |
| } else { |
| fullPath = workspace.fullPathForApplication(NSString.stringWith(name)); |
| } |
| if (fullPath != null) { |
| NSImage nsImage = workspace.iconForFile(fullPath); |
| if (nsImage != null) { |
| NSSize size = new NSSize(); |
| size.width = size.height = 16; |
| nsImage.setSize(size); |
| nsImage.retain(); |
| Image image = Image.cocoa_new(Display.getCurrent(), SWT.BITMAP, nsImage); |
| ImageData imageData = image.getImageData(); |
| image.dispose(); |
| return imageData; |
| } |
| } |
| return null; |
| } finally { |
| pool.release(); |
| } |
| } |
| |
| /** |
| * 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 the name of the program |
| */ |
| public String getName () { |
| return name; |
| } |
| |
| /** |
| * Compares the argument to the receiver, and returns true |
| * if they represent the <em>same</em> object using a class |
| * specific comparison. |
| * |
| * @param other the object to compare with this object |
| * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise |
| * |
| * @see #hashCode() |
| */ |
| public boolean equals(Object other) { |
| if (this == other) return true; |
| if (other instanceof Program) { |
| final Program program = (Program) other; |
| return name.equals(program.name); |
| } |
| return false; |
| } |
| |
| /** |
| * Returns an integer hash code for the receiver. Any two |
| * objects that return <code>true</code> when passed to |
| * <code>equals</code> must return the same value for this |
| * method. |
| * |
| * @return the receiver's hash |
| * |
| * @see #equals(Object) |
| */ |
| public int hashCode() { |
| return name.hashCode(); |
| } |
| |
| /** |
| * Returns a string containing a concise, human-readable |
| * description of the receiver. |
| * |
| * @return a string representation of the program |
| */ |
| public String toString () { |
| return "Program {" + name + "}"; |
| } |
| |
| } |