diff options
author | Sven Gothel <[email protected]> | 2020-09-07 03:46:58 +0200 |
---|---|---|
committer | Sven Gothel <[email protected]> | 2020-09-07 17:34:28 +0200 |
commit | c8881663156b5f690186ea2e440b5ca39c54abaf (patch) | |
tree | 0f17ec32ec646c0ada963a92c642816b5307bda6 /logo/src/Lanceur.java | |
parent | 57f55f17f3abf962b6e17b8d2a3b7217db78a75e (diff) |
JogAmp: Source formatting according to my Eclipse settings only
Diffstat (limited to 'logo/src/Lanceur.java')
-rw-r--r-- | logo/src/Lanceur.java | 148 |
1 files changed, 74 insertions, 74 deletions
diff --git a/logo/src/Lanceur.java b/logo/src/Lanceur.java index 3298c55..205e161 100644 --- a/logo/src/Lanceur.java +++ b/logo/src/Lanceur.java @@ -24,7 +24,7 @@ /** Title : XLogo * Description : XLogo is an interpreter for the Logo * programming language - * + * * @author Loïc Le Coq */ import java.io.*; @@ -34,15 +34,15 @@ import java.util.Calendar; /** * @author loic - * + * * This class extracts the file tmp_xlogo.jar from the main archive * in the temporary file's directory * and then launch the command: <br> * java -D-jar -Xmx64m -Djava.library.path=path_to_tmp -cp path_to_tmp * tmp_xlogo.jar<br> * <br> - * XLogo executes with a predefined heap size for the Virtual Machine * - * + * XLogo executes with a predefined heap size for the Virtual Machine * + * * @author Marko Zivkovic * The maximum heap size property is now fixed 128MB. In the future, the application preferences should be used. * Command line arguments are ignored, because this application is GUI-based and for @@ -50,7 +50,7 @@ import java.util.Calendar; */ public class Lanceur { private static int DEFAULT_MEMORY_ALLOC = 128; - + /** * The process which contains the XLogo application */ @@ -59,48 +59,48 @@ public class Lanceur { * The temporary folder which contains all files to start XLogo */ private File tmpFolder = null; - + /** * Main method - * + * * @param args * The path toward "lgo" files */ - public static void main(String[] args) { + public static void main(final String[] args) { new Lanceur(); } - + Lanceur() { // Look for old files from XLogo crash cleanTmp(); // Look for the memory that should be allocated to the JVM heap size //Preferences prefs = Preferences.systemRoot().node(PROPERTIES_PREFIX); TODO this does not work ... :-( //int memory = prefs.getInt("appMemory", DEFAULT_MEMORY_ALLOC); - int memory = DEFAULT_MEMORY_ALLOC; - + final int memory = DEFAULT_MEMORY_ALLOC; + // extract application in the java.io.tmp directory extractApplication(); startApplicationProcess(memory); restorePath(); deleteTmpFiles(); } - - private void startApplicationProcess(int memoire) { + + private void startApplicationProcess(final int memoire) { try { // Add the tmp to the path - String newPath = tmpFolder.getAbsolutePath(); - + final String newPath = tmpFolder.getAbsolutePath(); + String javaLibraryPath = newPath + File.pathSeparatorChar + System.getProperty("java.library.path"); // Bug when launching under Windows with java webstart javaLibraryPath = javaLibraryPath.replaceAll("\"", ""); System.out.println("Path: " + javaLibraryPath + "\n"); - String[] commande = new String[5]; + final String[] commande = new String[5]; commande[0] = System.getProperty("java.home") + File.separator + "bin" + File.separator + "java"; commande[1] = "-jar"; commande[2] = "-Xmx" + memoire + "m"; commande[3] = "-Djava.library.path=" + javaLibraryPath; commande[4] = Library.TMP_XLOGO.getFile(tmpFolder).getAbsolutePath(); - + System.out.println("<----- Starting XLogo ---->"); String cmd = ""; for (int i = 0; i < commande.length; i++) { @@ -113,26 +113,26 @@ public class Lanceur { startStreamForward(p.getErrorStream()); p.waitFor(); } - catch (Exception e) { + catch (final Exception e) { System.out.println(e); } } - + private void restorePath() { - String pathToFolder = tmpFolder.getAbsolutePath(); - String path = System.getProperty("java.library.path"); - StringTokenizer st = new StringTokenizer(path, File.pathSeparator); + final String pathToFolder = tmpFolder.getAbsolutePath(); + final String path = System.getProperty("java.library.path"); + final StringTokenizer st = new StringTokenizer(path, File.pathSeparator); String newPath = ""; while (st.hasMoreTokens()) { if (!newPath.equals("")) newPath += File.pathSeparator; - String element = st.nextToken(); + final String element = st.nextToken(); if (!element.equals(pathToFolder)) newPath += element; } System.setProperty("java.library.path", newPath); } - + /** * Used to catch application streams and write them to System.out * @param stream @@ -147,7 +147,7 @@ public class Lanceur { while ((line = reader.readLine()) != null) System.out.println(line); } - catch (IOException e) { + catch (final IOException e) { System.out.println(e.toString()); } finally { @@ -155,69 +155,69 @@ public class Lanceur { try { reader.close(); } - catch (IOException e) {} + catch (final IOException e) {} } } }.start(); } - + /** * This method checks for unused old XLogo files in temporary directory<br> * If it found files older than 24 hours with the prefix tmp_xlogo, these * files are deleted. */ private void cleanTmp() { - String path = System.getProperty("java.io.tmpdir"); - File f = new File(path); - File[] files = f.listFiles(); + final String path = System.getProperty("java.io.tmpdir"); + final File f = new File(path); + final File[] files = f.listFiles(); if (null != files) { for (int i = 0; i < files.length; i++) { try { if (files[i].getName().startsWith("tmp_xlogo")) { - long fileTime = files[i].lastModified(); - long time = Calendar.getInstance().getTimeInMillis(); + final long fileTime = files[i].lastModified(); + final long time = Calendar.getInstance().getTimeInMillis(); // Delete file if it's more than 24 hours old if (time - fileTime > 24 * 3600 * 1000) { if (files[i].isDirectory()) deleteDirectory(files[i]); files[i].delete(); - + } } } - catch (Exception e) { + catch (final Exception e) { e.printStackTrace(); } } } } - + /** * This method extracts the file tmp_xlogo.jar from the archive and copy it * into the temporary directory. */ private void extractApplication() { initTmpFolder(); - - for (Library lib : Library.values()) { + + for (final Library lib : Library.values()) { if (lib.getPath() == null){ copy2Tmp(lib); } } // extract the native driver for java 3d in this folder - String osName = System.getProperty("os.name").toLowerCase(); - String arch = System.getProperty("os.arch"); + final String osName = System.getProperty("os.name").toLowerCase(); + final String arch = System.getProperty("os.arch"); System.out.println("Operating system: " + osName); System.out.println("Architecture: " + arch); - + // Linux //InputStream lib; } - + private void initTmpFolder() { // Create in the "java.io.tmpdir" a directory called tmp_xlogo int i = 0; - String tmpPath = System.getProperty("java.io.tmpdir") + File.separator + "tmp_xlogo"; + final String tmpPath = System.getProperty("java.io.tmpdir") + File.separator + "tmp_xlogo"; while (true) { tmpFolder = new File(tmpPath + i); if (!tmpFolder.exists()) @@ -225,38 +225,38 @@ public class Lanceur { else i++; } - + System.out.println("Creating tmp_xlogo directory - success: " + tmpFolder.mkdir()); } - - private void copy2Tmp(Library lib) { + + private void copy2Tmp(final Library lib) { // extract the jar file in this folder - InputStream src = Lanceur.class.getResourceAsStream(lib.getResourcePath()); - File file = lib.getFile(tmpFolder); + final InputStream src = Lanceur.class.getResourceAsStream(lib.getResourcePath()); + final File file = lib.getFile(tmpFolder); System.out.println("Get library " + lib.getResourcePath()); System.out.println("Copying " + lib.getLibraryName() + " - success: " + copy(src, file)); } - + private void deleteTmpFiles() { System.out.println("Closing XLogo. Cleaning tmp file"); - for (Library lib : Library.values()) { - File file = lib.getFile(tmpFolder); + for (final Library lib : Library.values()) { + final File file = lib.getFile(tmpFolder); if (file.exists()) { file.delete(); } } tmpFolder.delete(); } - + /** * This method copy the file tmp_xlogo.jar from the archive to the file * Destination. - * + * * @param destination * The output file * @return true if success, false otherwise */ - private boolean copy(InputStream src, File destination) { + private boolean copy(final InputStream src, final File destination) { boolean resultat = false; // Declaration des flux java.io.FileOutputStream destinationFile = null; @@ -264,10 +264,10 @@ public class Lanceur { // Création du fichier : destination.createNewFile(); // Ouverture des flux - + destinationFile = new java.io.FileOutputStream(destination); // Lecture par segment de 0.5Mo - byte buffer[] = new byte[512 * 1024]; + final byte buffer[] = new byte[512 * 1024]; int nbLecture; while ((nbLecture = src.read(buffer)) != -1) { destinationFile.write(buffer, 0, nbLecture); @@ -275,33 +275,33 @@ public class Lanceur { // Copie réussie resultat = true; } - catch (java.io.FileNotFoundException f) {} - catch (java.io.IOException e) {} + catch (final java.io.FileNotFoundException f) {} + catch (final java.io.IOException e) {} finally { // Quoi qu'il arrive, on ferme les flux try { src.close(); } - catch (Exception e) {} + catch (final Exception e) {} try { destinationFile.close(); } - catch (Exception e) {} + catch (final Exception e) {} } return (resultat); } - + /** * Delete a the directory created by Logo in /tmp - * + * * @param path * The Directory path * @return true if success */ - private boolean deleteDirectory(File path) { + private boolean deleteDirectory(final File path) { boolean resultat = true; if (path.exists()) { - File[] files = path.listFiles(); + final File[] files = path.listFiles(); if (null != files) { for (int i = 0; i < files.length; i++) { if (files[i].isDirectory()) { @@ -316,7 +316,7 @@ public class Lanceur { resultat &= path.delete(); return (resultat); } - + /** * These represent libraries that should be packed into the new temporary jar. * @author Marko @@ -337,34 +337,34 @@ public class Lanceur { private String path; private String libName; - - Library(String jarName) { + + Library(final String jarName) { this.libName = jarName; } - - Library(String path, String libName) { + + Library(final String path, final String libName) { this.path = path; this.libName = libName; } - + public String getPath() { return path; } - + public String getLibraryName() { return libName; } - + public String getResourcePath() { if (path != null){ return path + libName; } else { return libName; } - + } - - public File getFile(File location) { + + public File getFile(final File location) { return new File(location.getAbsolutePath() + File.separator + libName); } } |