diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT PI/common_j2se/org')
-rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT PI/common_j2se/org/eclipse/swt/internal/Library.java | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT PI/common_j2se/org/eclipse/swt/internal/Library.java b/bundles/org.eclipse.swt/Eclipse SWT PI/common_j2se/org/eclipse/swt/internal/Library.java deleted file mode 100644 index 54d1d197af..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT PI/common_j2se/org/eclipse/swt/internal/Library.java +++ /dev/null @@ -1,267 +0,0 @@ -/******************************************************************************* - * 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.internal; - -import java.io.*; - -public class Library { - - /* SWT Version - Mmmm (M=major, mmm=minor) */ - - /** - * SWT Major version number (must be >= 0) - */ - static int MAJOR_VERSION = 3; - - /** - * SWT Minor version number (must be in the range 0..999) - */ - static int MINOR_VERSION = 601; - - /** - * SWT revision number (must be >= 0) - */ - static int REVISION = 0; - - /** - * The JAVA and SWT versions - */ - public static final int JAVA_VERSION, SWT_VERSION; - - static final String SEPARATOR; - - /* 64-bit support */ - static /*final*/ boolean IS_64 = 0x1FFFFFFFFL == (int /*long*/)0x1FFFFFFFFL; - static final String SUFFIX_64 = "-64"; //$NON-NLS-1$ - static final String SWTDIR_32 = "swtlib-32"; //$NON-NLS-1$ - static final String SWTDIR_64 = "swtlib-64"; //$NON-NLS-1$ - -static { - SEPARATOR = System.getProperty("file.separator"); - JAVA_VERSION = parseVersion(System.getProperty("java.version")); - SWT_VERSION = SWT_VERSION(MAJOR_VERSION, MINOR_VERSION); -} - -static int parseVersion(String version) { - if (version == null) return 0; - int major = 0, minor = 0, micro = 0; - int length = version.length(), index = 0, start = 0; - while (index < length && Character.isDigit(version.charAt(index))) index++; - try { - if (start < length) major = Integer.parseInt(version.substring(start, index)); - } catch (NumberFormatException e) {} - start = ++index; - while (index < length && Character.isDigit(version.charAt(index))) index++; - try { - if (start < length) minor = Integer.parseInt(version.substring(start, index)); - } catch (NumberFormatException e) {} - start = ++index; - while (index < length && Character.isDigit(version.charAt(index))) index++; - try { - if (start < length) micro = Integer.parseInt(version.substring(start, index)); - } catch (NumberFormatException e) {} - return JAVA_VERSION(major, minor, micro); -} - -/** - * Returns the Java version number as an integer. - * - * @param major - * @param minor - * @param micro - * @return the version - */ -public static int JAVA_VERSION (int major, int minor, int micro) { - return (major << 16) + (minor << 8) + micro; -} - -/** - * Returns the SWT version number as an integer. - * - * @param major - * @param minor - * @return the version - */ -public static int SWT_VERSION (int major, int minor) { - return major * 1000 + minor; -} - -static boolean extract (String fileName, String mappedName) { - FileOutputStream os = null; - InputStream is = null; - File file = new File(fileName); - boolean extracted = false; - try { - if (!file.exists ()) { - is = Library.class.getResourceAsStream ("/" + mappedName); //$NON-NLS-1$ - if (is != null) { - extracted = true; - int read; - byte [] buffer = new byte [4096]; - os = new FileOutputStream (fileName); - while ((read = is.read (buffer)) != -1) { - os.write(buffer, 0, read); - } - os.close (); - is.close (); - if (!Platform.PLATFORM.equals ("win32")) { //$NON-NLS-1$ - try { - Runtime.getRuntime ().exec (new String []{"chmod", "755", fileName}).waitFor(); //$NON-NLS-1$ //$NON-NLS-2$ - } catch (Throwable e) {} - } - } - } - if (load (fileName)) return true; - } catch (Throwable e) { - try { - if (os != null) os.close (); - } catch (IOException e1) {} - try { - if (is != null) is.close (); - } catch (IOException e1) {} - if (extracted && file.exists ()) file.delete (); - } - return false; -} - -static boolean load (String libName) { - try { - if (libName.indexOf (SEPARATOR) != -1) { - System.load (libName); - } else { - System.loadLibrary (libName); - } - return true; - } catch (UnsatisfiedLinkError e) {} - return false; -} - -/** - * Loads the shared library that matches the version of the - * Java code which is currently running. SWT shared libraries - * follow an encoding scheme where the major, minor and revision - * numbers are embedded in the library name and this along with - * <code>name</code> is used to load the library. If this fails, - * <code>name</code> is used in another attempt to load the library, - * this time ignoring the SWT version encoding scheme. - * - * @param name the name of the library to load - */ -public static void loadLibrary (String name) { - loadLibrary (name, true); -} - -/** - * Loads the shared library that matches the version of the - * Java code which is currently running. SWT shared libraries - * follow an encoding scheme where the major, minor and revision - * numbers are embedded in the library name and this along with - * <code>name</code> is used to load the library. If this fails, - * <code>name</code> is used in another attempt to load the library, - * this time ignoring the SWT version encoding scheme. - * - * @param name the name of the library to load - * @param mapName true if the name should be mapped, false otherwise - */ -public static void loadLibrary (String name, boolean mapName) { - String prop = System.getProperty ("sun.arch.data.model"); //$NON-NLS-1$ - if (prop == null) prop = System.getProperty ("com.ibm.vm.bitmode"); //$NON-NLS-1$ - if (prop != null) { - if ("32".equals (prop) && IS_64) { //$NON-NLS-1$ - throw new UnsatisfiedLinkError ("Cannot load 64-bit SWT libraries on 32-bit JVM"); //$NON-NLS-1$ - } - if ("64".equals (prop) && !IS_64) { //$NON-NLS-1$ - throw new UnsatisfiedLinkError ("Cannot load 32-bit SWT libraries on 64-bit JVM"); //$NON-NLS-1$ - } - } - - /* Compute the library name and mapped name */ - String libName1, libName2, mappedName1, mappedName2; - if (mapName) { - String version = System.getProperty ("swt.version"); //$NON-NLS-1$ - if (version == null) { - version = "" + MAJOR_VERSION; //$NON-NLS-1$ - /* Force 3 digits in minor version number */ - if (MINOR_VERSION < 10) { - version += "00"; //$NON-NLS-1$ - } else { - if (MINOR_VERSION < 100) version += "0"; //$NON-NLS-1$ - } - version += MINOR_VERSION; - /* No "r" until first revision */ - if (REVISION > 0) version += "r" + REVISION; //$NON-NLS-1$ - } - libName1 = name + "-" + Platform.PLATFORM + "-" + version; //$NON-NLS-1$ //$NON-NLS-2$ - libName2 = name + "-" + Platform.PLATFORM; //$NON-NLS-1$ - mappedName1 = mapLibraryName (libName1); - mappedName2 = mapLibraryName (libName2); - } else { - libName1 = libName2 = mappedName1 = mappedName2 = name; - } - - /* Try loading library from swt library path */ - String path = System.getProperty ("swt.library.path"); //$NON-NLS-1$ - if (path != null) { - path = new File (path).getAbsolutePath (); - if (load (path + SEPARATOR + mappedName1)) return; - if (mapName && load (path + SEPARATOR + mappedName2)) return; - } - - /* Try loading library from java library path */ - if (load (libName1)) return; - if (mapName && load (libName2)) return; - - /* Try loading library from the tmp directory if swt library path is not specified */ - String fileName1 = mappedName1; - String fileName2 = mappedName2; - if (path == null) { - path = System.getProperty ("java.io.tmpdir"); //$NON-NLS-1$ - File dir = new File (path, IS_64 ? SWTDIR_64 : SWTDIR_32); - boolean make = false; - if ((dir.exists () && dir.isDirectory ()) || (make = dir.mkdir ())) { - path = dir.getAbsolutePath (); - if (make && !Platform.PLATFORM.equals ("win32")) { //$NON-NLS-1$ - try { - Runtime.getRuntime ().exec (new String []{"chmod", "777", path}).waitFor(); //$NON-NLS-1$ //$NON-NLS-2$ - } catch (Throwable e) {} - } - } else { - /* fall back to using the tmp directory */ - if (IS_64) { - fileName1 = mapLibraryName (libName1 + SUFFIX_64); - fileName2 = mapLibraryName (libName2 + SUFFIX_64); - } - } - if (load (path + SEPARATOR + fileName1)) return; - if (mapName && load (path + SEPARATOR + fileName2)) return; - } - - /* Try extracting and loading library from jar */ - if (path != null) { - if (extract (path + SEPARATOR + fileName1, mappedName1)) return; - if (mapName && extract (path + SEPARATOR + fileName2, mappedName2)) return; - } - - /* Failed to find the library */ - throw new UnsatisfiedLinkError ("no " + libName1 + " or " + libName2 + " in swt.library.path, java.library.path or the jar file"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ -} - -static String mapLibraryName (String libName) { - /* SWT libraries in the Macintosh use the extension .jnilib but the some VMs map to .dylib. */ - libName = System.mapLibraryName (libName); - String ext = ".dylib"; //$NON-NLS-1$ - if (libName.endsWith(ext)) { - libName = libName.substring(0, libName.length() - ext.length()) + ".jnilib"; //$NON-NLS-1$ - } - return libName; -} - -} |