Example usage for java.io File delete

Introduction

In this page you can find the example usage for java.io File delete.

Prototype

public boolean delete() 

Source Link

Document

Deletes the file or directory denoted by this abstract pathname.

Usage

From source file:net.minecraftforge.fml.common.patcher.GenDiffSet.java

public static void main(String[] args) throws IOException {
    String sourceJar = args[0]; //Clean Vanilla jar minecraft.jar or minecraft_server.jar
    String targetDir = args[1]; //Directory containing obfed output classes, typically mcp/reobf/minecraft
    String deobfData = args[2]; //Path to FML's deobfusication_data.lzma
    String outputDir = args[3]; //Path to place generated .binpatch
    String killTarget = args[4]; //"true" if we should destroy the target file if it generated a successful .binpatch

    LogManager.getLogger("GENDIFF").log(Level.INFO,
            String.format("Creating patches at %s for %s from %s", outputDir, sourceJar, targetDir));
    Delta delta = new Delta();
    FMLDeobfuscatingRemapper remapper = FMLDeobfuscatingRemapper.INSTANCE;
    remapper.setupLoadOnly(deobfData, false);
    JarFile sourceZip = new JarFile(sourceJar);
    boolean kill = killTarget.equalsIgnoreCase("true");

    File f = new File(outputDir);
    f.mkdirs();//from w w w. jav a  2  s . c  o  m

    for (String name : remapper.getObfedClasses()) {
        //            Logger.getLogger("GENDIFF").info(String.format("Evaluating path for data :%s",name));
        String fileName = name;
        String jarName = name;
        if (RESERVED_NAMES.contains(name.toUpperCase(Locale.ENGLISH))) {
            fileName = "_" + name;
        }
        File targetFile = new File(targetDir, fileName.replace('/', File.separatorChar) + ".class");
        jarName = jarName + ".class";
        if (targetFile.exists()) {
            String sourceClassName = name.replace('/', '.');
            String targetClassName = remapper.map(name).replace('/', '.');
            JarEntry entry = sourceZip.getJarEntry(jarName);
            byte[] vanillaBytes = toByteArray(sourceZip, entry);
            byte[] patchedBytes = Files.toByteArray(targetFile);

            byte[] diff = delta.compute(vanillaBytes, patchedBytes);

            ByteArrayDataOutput diffOut = ByteStreams.newDataOutput(diff.length + 50);
            // Original name
            diffOut.writeUTF(name);
            // Source name
            diffOut.writeUTF(sourceClassName);
            // Target name
            diffOut.writeUTF(targetClassName);
            // exists at original
            diffOut.writeBoolean(entry != null);
            if (entry != null) {
                diffOut.writeInt(Hashing.adler32().hashBytes(vanillaBytes).asInt());
            }
            // length of patch
            diffOut.writeInt(diff.length);
            // patch
            diffOut.write(diff);

            File target = new File(outputDir, targetClassName + ".binpatch");
            target.getParentFile().mkdirs();
            Files.write(diffOut.toByteArray(), target);
            Logger.getLogger("GENDIFF").info(String.format("Wrote patch for %s (%s) at %s", name,
                    targetClassName, target.getAbsolutePath()));
            if (kill) {
                targetFile.delete();
                Logger.getLogger("GENDIFF").info(String.format("  Deleted target: %s", targetFile.toString()));
            }
        }
    }
    sourceZip.close();
}

---

From source file:Blobs.java

public static void main(String args[]) {
    if (args.length != 1) {
        System.err.println("Syntax: <java Blobs [driver] [url] " + "[uid] [pass] [file]");
        return;//w  w  w .  ja  va 2s . com
    }
    try {
        Class.forName(args[0]).newInstance();
        Connection con = DriverManager.getConnection(args[1], args[2], args[3]);
        File f = new File(args[4]);
        PreparedStatement stmt;

        if (!f.exists()) {
            // if the file does not exist
            // retrieve it from the database and write it to the named file
            ResultSet rs;

            stmt = con.prepareStatement("SELECT blobData " + "FROM BlobTest " + "WHERE fileName = ?");

            stmt.setString(1, args[0]);
            rs = stmt.executeQuery();
            if (!rs.next()) {
                System.out.println("No such file stored.");
            } else {
                Blob b = rs.getBlob(1);
                BufferedOutputStream os;

                os = new BufferedOutputStream(new FileOutputStream(f));
                os.write(b.getBytes(0, (int) b.length()), 0, (int) b.length());
                os.flush();
                os.close();
            }
        } else {
            // otherwise read it and save it to the database
            FileInputStream fis = new FileInputStream(f);
            byte[] tmp = new byte[1024];
            byte[] data = null;
            int sz, len = 0;

            while ((sz = fis.read(tmp)) != -1) {
                if (data == null) {
                    len = sz;
                    data = tmp;
                } else {
                    byte[] narr;
                    int nlen;

                    nlen = len + sz;
                    narr = new byte[nlen];
                    System.arraycopy(data, 0, narr, 0, len);
                    System.arraycopy(tmp, 0, narr, len, sz);
                    data = narr;
                    len = nlen;
                }
            }
            if (len != data.length) {
                byte[] narr = new byte[len];

                System.arraycopy(data, 0, narr, 0, len);
                data = narr;
            }
            stmt = con.prepareStatement("INSERT INTO BlobTest(fileName, " + "blobData) VALUES(?, ?)");
            stmt.setString(1, args[0]);
            stmt.setObject(2, data);
            stmt.executeUpdate();
            f.delete();
        }
        con.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:com.zacwolf.commons.crypto._CRYPTOfactory.java

public static void main(String[] args) {

    final File myaeskey = new File("CypherUtilsTest_AES.key");
    final File mybfkey = new File("CypherUtilsTest_Blowfish.key");
    final File myrsakey = new File("CyperUtilsTest_RSA.key");

    try {// w  ww .ja va 2 s.  c o  m

        /*         if (!myrsakey.exists())
                    Crypter_RSA.generateNewKeyFile(myrsakey);
                         
                 if (!myaeskey.exists())
                    Crypter_AES.generateNewKeyFile(myaeskey);
                         
                 if (!mybfkey.exists())
                    Crypter_Blowfish.generateNewKeyFile(mybfkey);
                         
              //_CRYPTOfactory.dumpCiphers();
                         
                         
        final   Logger         logger      =   Logger.getAnonymousLogger();
          logger.setLevel(Level.ALL);
                         
        final   _CRYPTOfactory   rsacypher   =   new _CRYPTOfactory(new Crypter_RSA(myrsakey)).test(logger,args);      
                
        final   _CRYPTOfactory   aescypher   =   new   _CRYPTOfactory(new Crypter_AES(myaeskey)).test(logger,args);
              System.out.println("Crypt the AES crypter via RSA, then backagain to a new AES crypter...");
                 _CRYPTOfactory.getInstance(rsacypher.decrypt(rsacypher.encrypt(aescypher.getAsBytes()))).test(logger,args);
                
        final   _CRYPTOfactory   blocypher   =   new   _CRYPTOfactory(new Crypter_Blowfish(mybfkey)).test(logger,args);
              System.out.println("Crypt the Blowfish crypter RSA rsa, then backagain to a new Blowfish crypter...");
                 _CRYPTOfactory.getInstance(rsacypher.decrypt(rsacypher.encrypt(blocypher.getAsBytes()))).test(logger,args);
                
        final   File   keystorefile      =   new File("keystore.jks");
        final   String   keystorepass      =   args[0];
              _CRYPTOfactory.genNewKeyStore(keystorefile,keystorepass);
                    rsacypher.addCrypterToKeyStore(keystorefile, keystorepass);
                    aescypher.addCrypterToKeyStore(keystorefile, keystorepass);
                    blocypher.addCrypterToKeyStore(keystorefile, keystorepass);
                      
        */ } catch (OutOfMemoryError oom) {
        System.err.println(JVM.getMemoryStats());
        oom.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        myaeskey.delete();
        mybfkey.delete();
        myrsakey.delete();
    }
}

---

From source file:eu.ensure.aging.AgingSimulator.java

public static void main(String[] args) {

    Options options = new Options();
    options.addOption("n", "flip-bit-in-name", true, "Flip bit in first byte of name of first file");
    options.addOption("u", "flip-bit-in-uname", true, "Flip bit in first byte of username of first file");
    options.addOption("c", "update-checksum", true, "Update header checksum (after prior bit flips)");

    Properties properties = new Properties();
    CommandLineParser parser = new PosixParser();
    try {/*from   ww w. j  av a  2  s  .  co  m*/
        CommandLine line = parser.parse(options, args);

        //
        if (line.hasOption("flip-bit-in-name")) {
            properties.put("flip-bit-in-name", line.getOptionValue("flip-bit-in-name"));
        } else {
            // On by default (if not explicitly de-activated above)
            properties.put("flip-bit-in-name", "true");
        }

        //
        if (line.hasOption("flip-bit-in-uname")) {
            properties.put("flip-bit-in-uname", line.getOptionValue("flip-bit-in-uname"));
        } else {
            properties.put("flip-bit-in-uname", "false");
        }

        //
        if (line.hasOption("update-checksum")) {
            properties.put("update-checksum", line.getOptionValue("update-checksum"));
        } else {
            properties.put("update-checksum", "false");
        }

        String[] fileArgs = line.getArgs();

        if (fileArgs.length < 1) {
            printHelp(options, System.err);
            System.exit(1);
        }

        String srcPath = fileArgs[0];

        File srcAIP = new File(srcPath);
        if (!srcAIP.exists()) {
            String info = "The source path does not locate a file: " + srcPath;
            System.err.println(info);
            System.exit(1);
        }

        if (srcAIP.isDirectory()) {
            String info = "The source path locates a directory, not a file: " + srcPath;
            System.err.println(info);
            System.exit(1);
        }

        if (!srcAIP.canRead()) {
            String info = "Cannot read source file: " + srcPath;
            System.err.println(info);
            System.exit(1);
        }

        boolean doReplace = false;
        File destAIP = null;

        if (fileArgs.length > 1) {
            String destPath = fileArgs[1];
            destAIP = new File(destPath);

            if (destAIP.exists()) {
                String info = "The destination path locates an existing file: " + destPath;
                System.err.println(info);
                System.exit(1);
            }
        } else {
            doReplace = true;
            try {
                destAIP = File.createTempFile("tmp-aged-aip-", ".tar");
            } catch (IOException ioe) {
                String info = "Failed to create temporary file: ";
                info += ioe.getMessage();
                System.err.println(info);
                System.exit(1);
            }
        }

        String info = "Age simulation\n";
        info += "  Reading from " + srcAIP.getName() + "\n";
        if (doReplace) {
            info += "  and replacing it's content";
        } else {
            info += "  Writing to " + destAIP.getName();
        }
        System.out.println(info);

        //
        InputStream is = null;
        OutputStream os = null;
        try {
            is = new BufferedInputStream(new FileInputStream(srcAIP));
            os = new BufferedOutputStream(new FileOutputStream(destAIP));

            simulateAging(srcAIP.getName(), is, os, properties);

        } catch (FileNotFoundException fnfe) {
            info = "Could not locate file: " + fnfe.getMessage();
            System.err.println(info);
        } finally {
            try {
                if (null != os)
                    os.close();
                if (null != is)
                    is.close();
            } catch (IOException ignore) {
            }
        }

        //
        if (doReplace) {
            File renamedOriginal = new File(srcAIP.getName() + "-backup");
            srcAIP.renameTo(renamedOriginal);

            ReadableByteChannel rbc = null;
            WritableByteChannel wbc = null;
            try {
                rbc = Channels.newChannel(new FileInputStream(destAIP));
                wbc = Channels.newChannel(new FileOutputStream(srcAIP));
                FileIO.fastChannelCopy(rbc, wbc);
            } catch (FileNotFoundException fnfe) {
                info = "Could not locate temporary output file: " + fnfe.getMessage();
                System.err.println(info);
            } catch (IOException ioe) {
                info = "Could not copy temporary output file over original AIP: " + ioe.getMessage();
                System.err.println(info);
            } finally {
                try {
                    if (null != wbc)
                        wbc.close();
                    if (null != rbc)
                        rbc.close();

                    destAIP.delete();
                } catch (IOException ignore) {
                }
            }
        }
    } catch (ParseException pe) {
        String info = "Failed to parse command line: " + pe.getMessage();
        System.err.println(info);
        printHelp(options, System.err);
        System.exit(1);
    }
}

---

From source file:Main.java

/**
 * delete a single log//from  w ww  .j a  v  a  2s. c om
 * 
 * @param file:
 *            the log to delete
 */
public static boolean deleteFile(File file) {
    return file.delete();
}

---

From source file:Main.java

public static void deletePhoto(String path) {
    File file = new File(path);
    file.delete();
}

---

From source file:Main.java

public static void deleteImage(String path) {
    File image = new File(path);
    image.delete();
}

---

From source file:Main.java

/**
 * @param file
 */
static void cleanZip(File file) {
    file.delete();
}

---

From source file:Main.java

public static boolean deleteFile(String path) {
    File file = new File(path);
    return file.delete();
}

---

From source file:Main.java

public static void deleteFile(File file) {
    if (file.exists() && !file.delete())
        throw new RuntimeException("Cannot delete file " + file);
}

---

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