Example usage for org.apache.commons.vfs FileObject createFile

Introduction

In this page you can find the example usage for org.apache.commons.vfs FileObject createFile.

Prototype

public void createFile() throws FileSystemException;

Source Link

Document

Creates this file, if it does not exist.

Usage

From source file:egovframework.rte.fdl.filehandling.FilehandlingServiceTest.java

@Test
public void testUserAuthentication() throws Exception {
    StaticUserAuthenticator auth = new StaticUserAuthenticator(null, "username", "password");
    FileSystemOptions opts = new FileSystemOptions();
    DefaultFileSystemConfigBuilder.getInstance().setUserAuthenticator(opts, auth);

    FileSystemManager manager = VFS.getManager();

    FileObject baseDir = manager.resolveFile(System.getProperty("user.dir"));
    FileObject file = manager.resolveFile(baseDir, "testfolder/file1.txt");
    FileObject fo = manager.resolveFile("d:" + file.getName().getPath(), opts);

    fo.createFile();

}

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From source file:egovframework.rte.fdl.filehandling.FilehandlingServiceTest.java

/**
 *  ? ?? ? ? ? ? ?? ?./*  ww  w. j av  a  2s .  c om*/
 * @throws Exception
 */
@Test
public void testCeateFile() throws Exception {
    FileSystemManager manager = VFS.getManager();

    FileObject baseDir = manager.resolveFile(System.getProperty("user.dir"));
    final FileObject file = manager.resolveFile(baseDir, "testfolder/file1.txt");

    //  ? 
    file.delete(Selectors.SELECT_FILES);
    assertFalse(file.exists());

    // ? ?
    file.createFile();
    assertTrue(file.exists());
}

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From source file:egovframework.rte.fdl.filehandling.FilehandlingServiceTest.java

/**
 *  ?  ??  ? ? .//w w  w .  j av a 2  s.  c o  m
 * ?    ? ?    ?? ?.
 * @throws Exception
 */
@Test
public void testAccessFile() throws Exception {

    FileSystemManager manager = VFS.getManager();

    FileObject baseDir = manager.resolveFile(System.getProperty("user.dir"));
    FileObject file = manager.resolveFile(baseDir, "testfolder/file1.txt");

    //  ? 
    file.delete(Selectors.SELECT_FILES);
    assertFalse(file.exists());

    // ? ?
    file.createFile();
    assertTrue(file.exists());

    FileContent fileContent = file.getContent();
    assertEquals(0, fileContent.getSize());

    // ? 
    String string = "test.";
    OutputStream os = fileContent.getOutputStream();

    try {
        os.write(string.getBytes());
        os.flush();
    } catch (Exception e) {
        throw new Exception(e);
    } finally {
        os.close();
    }
    assertNotSame(0, fileContent.getSize());

    // ? ?
    StringBuffer sb = new StringBuffer();
    FileObject writtenFile = manager.resolveFile(baseDir, "testfolder/file1.txt");
    FileContent writtenContents = writtenFile.getContent();
    InputStream is = writtenContents.getInputStream();

    try {
        BufferedReader reader = new BufferedReader(new InputStreamReader(is));

        for (String line = ""; (line = reader.readLine()) != null; sb.append(line))
            ;

    } catch (Exception e) {
        throw new Exception(e);
    } finally {
        is.close();
    }

    // ? ?
    assertEquals(sb.toString(), string);
}

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From source file:be.ibridge.kettle.job.entry.createfile.JobEntryCreateFile.java

public Result execute(Result prev_result, int nr, Repository rep, Job parentJob) {
    LogWriter log = LogWriter.getInstance();
    Result result = new Result(nr);
    result.setResult(false);//from w w  w.  ja  v  a2s  .co  m

    if (filename != null) {
        String realFilename = getRealFilename();
        FileObject fileObject = null;
        try {
            fileObject = KettleVFS.getFileObject(realFilename);

            if (fileObject.exists()) {
                if (isFailIfFileExists()) {
                    // File exists and fail flag is on.
                    result.setResult(false);
                    log.logError(toString(), "File [" + realFilename + "] exists, failing.");
                } else {
                    // File already exists, no reason to try to create it
                    result.setResult(true);
                    log.logBasic(toString(), "File [" + realFilename + "] already exists, not recreating.");
                }
            } else {
                //  No file yet, create an empty file.
                fileObject.createFile();
                log.logBasic(toString(), "File [" + realFilename + "] created!");
                result.setResult(true);
            }
        } catch (IOException e) {
            log.logError(toString(),
                    "Could not create file [" + realFilename + "], exception: " + e.getMessage());
            result.setResult(false);
            result.setNrErrors(1);
        } finally {
            if (fileObject != null) {
                try {
                    fileObject.close();
                } catch (IOException ex) {
                }
                ;
            }
        }
    } else {
        log.logError(toString(), "No filename is defined.");
    }

    return result;
}

---

From source file:com.panet.imeta.job.entries.createfile.JobEntryCreateFile.java

public Result execute(Result previousResult, int nr, Repository rep, Job parentJob) throws KettleException {
    LogWriter log = LogWriter.getInstance();
    Result result = previousResult;
    result.setResult(false);//from  w ww . java2  s  . c  o  m

    if (filename != null) {
        String realFilename = getRealFilename();
        FileObject fileObject = null;
        try {
            fileObject = KettleVFS.getFileObject(realFilename);

            if (fileObject.exists()) {
                if (isFailIfFileExists()) {
                    // File exists and fail flag is on.
                    result.setResult(false);
                    log.logError(toString(), "File [" + realFilename + "] exists, failing.");
                } else {
                    // File already exists, no reason to try to create it
                    result.setResult(true);
                    log.logBasic(toString(), "File [" + realFilename + "] already exists, not recreating.");
                }
                // add filename to result filenames if needed
                if (isAddFilenameToResult())
                    addFilenameToResult(realFilename, log, result, parentJob);
            } else {
                //  No file yet, create an empty file.
                fileObject.createFile();
                log.logBasic(toString(), "File [" + realFilename + "] created!");
                // add filename to result filenames if needed
                if (isAddFilenameToResult())
                    addFilenameToResult(realFilename, log, result, parentJob);
                result.setResult(true);
            }
        } catch (IOException e) {
            log.logError(toString(),
                    "Could not create file [" + realFilename + "], exception: " + e.getMessage());
            result.setResult(false);
            result.setNrErrors(1);
        } finally {
            if (fileObject != null) {
                try {
                    fileObject.close();
                } catch (IOException ex) {
                }
                ;
            }
        }
    } else {
        log.logError(toString(), "No filename is defined.");
    }

    return result;
}

---

From source file:com.panet.imeta.job.entries.shell.JobEntryShell.java

private void executeShell(Result result, List<RowMetaAndData> cmdRows, String[] args) {
    LogWriter log = LogWriter.getInstance();
    FileObject fileObject = null;
    String realScript = null;//  ww w .j  av a 2  s . c  o m
    FileObject tempFile = null;

    try {
        // What's the exact command?
        String base[] = null;
        List<String> cmds = new ArrayList<String>();

        if (log.isBasic())
            log.logBasic(toString(), Messages.getString("JobShell.RunningOn", Const.getOS()));

        if (insertScript) {
            realScript = environmentSubstitute(script);
        } else {
            String realFilename = environmentSubstitute(getFilename());
            fileObject = KettleVFS.getFileObject(realFilename);
        }

        if (Const.getOS().equals("Windows 95")) {
            base = new String[] { "command.com", "/C" };
        } else if (Const.getOS().startsWith("Windows")) {
            base = new String[] { "cmd.exe", "/C" };
        } else {
            if (!insertScript) {
                // Just set the command to the script we need to execute...
                //
                base = new String[] { KettleVFS.getFilename(fileObject) };
            } else {
                // Create a unique new temporary filename in the working directory, put the script in there
                // Set the permissions to execute and then run it...
                //
                try {
                    tempFile = KettleVFS.createTempFile("kettle", "shell", workDirectory);
                    tempFile.createFile();
                    OutputStream outputStream = tempFile.getContent().getOutputStream();
                    outputStream.write(realScript.getBytes());
                    outputStream.close();
                    String tempFilename = KettleVFS.getFilename(tempFile);
                    // Now we have to make this file executable...
                    // On Unix-like systems this is done using the command "/bin/chmod +x filename"
                    //
                    ProcessBuilder procBuilder = new ProcessBuilder("chmod", "+x", tempFilename);
                    Process proc = procBuilder.start();
                    // Eat/log stderr/stdout all messages in a different thread...
                    StreamLogger errorLogger = new StreamLogger(proc.getErrorStream(),
                            toString() + " (stderr)");
                    StreamLogger outputLogger = new StreamLogger(proc.getInputStream(),
                            toString() + " (stdout)");
                    new Thread(errorLogger).start();
                    new Thread(outputLogger).start();
                    proc.waitFor();

                    // Now set this filename as the base command...
                    //
                    base = new String[] { tempFilename };
                } catch (Exception e) {
                    throw new Exception("Unable to create temporary file to execute script", e);
                }
            }
        }

        // Construct the arguments...
        if (argFromPrevious && cmdRows != null) {
            // Add the base command...
            for (int i = 0; i < base.length; i++)
                cmds.add(base[i]);

            if (Const.getOS().equals("Windows 95") || Const.getOS().startsWith("Windows")) {
                // for windows all arguments including the command itself
                // need to be
                // included in 1 argument to cmd/command.

                StringBuffer cmdline = new StringBuffer(300);

                cmdline.append('"');
                if (insertScript)
                    cmdline.append(realScript);
                else
                    cmdline.append(optionallyQuoteField(KettleVFS.getFilename(fileObject), "\""));
                // Add the arguments from previous results...
                for (int i = 0; i < cmdRows.size(); i++) // Normally just
                // one row, but
                // once in a
                // while to
                // remain
                // compatible we
                // have
                // multiple.
                {
                    RowMetaAndData r = (RowMetaAndData) cmdRows.get(i);
                    for (int j = 0; j < r.size(); j++) {
                        cmdline.append(' ');
                        cmdline.append(optionallyQuoteField(r.getString(j, null), "\""));
                    }
                }
                cmdline.append('"');
                cmds.add(cmdline.toString());
            } else {
                // Add the arguments from previous results...
                for (int i = 0; i < cmdRows.size(); i++) // Normally just
                // one row, but
                // once in a
                // while to
                // remain
                // compatible we
                // have
                // multiple.
                {
                    RowMetaAndData r = (RowMetaAndData) cmdRows.get(i);
                    for (int j = 0; j < r.size(); j++) {
                        cmds.add(optionallyQuoteField(r.getString(j, null), "\""));
                    }
                }
            }
        } else if (args != null) {
            // Add the base command...
            for (int i = 0; i < base.length; i++)
                cmds.add(base[i]);

            if (Const.getOS().equals("Windows 95") || Const.getOS().startsWith("Windows")) {
                // for windows all arguments including the command itself
                // need to be
                // included in 1 argument to cmd/command.

                StringBuffer cmdline = new StringBuffer(300);

                cmdline.append('"');
                if (insertScript)
                    cmdline.append(realScript);
                else
                    cmdline.append(optionallyQuoteField(KettleVFS.getFilename(fileObject), "\""));

                for (int i = 0; i < args.length; i++) {
                    cmdline.append(' ');
                    cmdline.append(optionallyQuoteField(args[i], "\""));
                }
                cmdline.append('"');
                cmds.add(cmdline.toString());
            } else {
                for (int i = 0; i < args.length; i++) {
                    cmds.add(args[i]);
                }
            }
        }

        StringBuffer command = new StringBuffer();

        Iterator<String> it = cmds.iterator();
        boolean first = true;
        while (it.hasNext()) {
            if (!first)
                command.append(' ');
            else
                first = false;
            command.append((String) it.next());
        }
        if (log.isBasic())
            log.logBasic(toString(), Messages.getString("JobShell.ExecCommand", command.toString()));

        // Build the environment variable list...
        ProcessBuilder procBuilder = new ProcessBuilder(cmds);
        Map<String, String> env = procBuilder.environment();
        String[] variables = listVariables();
        for (int i = 0; i < variables.length; i++) {
            env.put(variables[i], getVariable(variables[i]));
        }

        if (getWorkDirectory() != null && !Const.isEmpty(Const.rtrim(getWorkDirectory()))) {
            String vfsFilename = environmentSubstitute(getWorkDirectory());
            File file = new File(KettleVFS.getFilename(KettleVFS.getFileObject(vfsFilename)));
            procBuilder.directory(file);
        }
        Process proc = procBuilder.start();

        // any error message?
        StreamLogger errorLogger = new StreamLogger(proc.getErrorStream(), toString() + " (stderr)");

        // any output?
        StreamLogger outputLogger = new StreamLogger(proc.getInputStream(), toString() + " (stdout)");

        // kick them off
        new Thread(errorLogger).start();
        new Thread(outputLogger).start();

        proc.waitFor();
        if (log.isDetailed())
            log.logDetailed(toString(), Messages.getString("JobShell.CommandFinished", command.toString()));

        // What's the exit status?
        result.setExitStatus(proc.exitValue());
        if (result.getExitStatus() != 0) {
            if (log.isDetailed())
                log.logDetailed(toString(), Messages.getString("JobShell.ExitStatus",
                        environmentSubstitute(getFilename()), "" + result.getExitStatus()));

            result.setNrErrors(1);
        }

        // close the streams
        // otherwise you get "Too many open files, java.io.IOException" after a lot of iterations
        proc.getErrorStream().close();
        proc.getOutputStream().close();

    } catch (IOException ioe) {
        log.logError(toString(), Messages.getString("JobShell.ErrorRunningShell",
                environmentSubstitute(getFilename()), ioe.toString()));
        result.setNrErrors(1);
    } catch (InterruptedException ie) {
        log.logError(toString(), Messages.getString("JobShell.Shellinterupted",
                environmentSubstitute(getFilename()), ie.toString()));
        result.setNrErrors(1);
    } catch (Exception e) {
        log.logError(toString(), Messages.getString("JobShell.UnexpectedError",
                environmentSubstitute(getFilename()), e.toString()));
        result.setNrErrors(1);
    } finally {
        // If we created a temporary file, remove it...
        //
        if (tempFile != null) {
            try {
                tempFile.delete();
            } catch (Exception e) {
                Messages.getString("JobShell.UnexpectedError", tempFile.toString(), e.toString());
            }
        }
    }

    if (result.getNrErrors() > 0) {
        result.setResult(false);
    } else {
        result.setResult(true);
    }
}

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From source file:org.apache.commons.vfs.example.Shell.java

/**
 * Does a 'touch' command./* w  w w .  ja  v  a 2  s.c  o  m*/
 */
private void touch(final String[] cmd) throws Exception {
    if (cmd.length < 2) {
        throw new Exception("USAGE: touch <path>");
    }
    final FileObject file = mgr.resolveFile(cwd, cmd[1]);
    if (!file.exists()) {
        file.createFile();
    }
    file.getContent().setLastModifiedTime(System.currentTimeMillis());
}

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From source file:org.bibalex.gallery.storage.BAGStorage.java

public static URL cacheFileLocally(String cacheLocalPath, String fileUrlStr) throws BAGException {
    try {/*from ww w .  j a  va2s  .  c  om*/
        // String extension = "";
        //
        // int lastDotIx = fileUrlStr.lastIndexOf('.');
        // if (lastDotIx > fileUrlStr.lastIndexOf('/')) {
        // extension = fileUrlStr.substring(lastDotIx);
        // }
        // String cacheFileName = "cached" + fileUrlStr.hashCode() + extension;

        int lastSlashIx = fileUrlStr.lastIndexOf('/');

        String cacheFileName = fileUrlStr.substring(lastSlashIx + 1);

        String cacheFilePath = URLPathStrUtils.appendParts(cacheLocalPath, cacheFileName);

        FileSystemManager fsMgr = VFS.getManager();

        final FileObject cacheFileFO = fsMgr.resolveFile(cacheFilePath);
        final FileObject cacheDirFO = fsMgr.resolveFile(cacheLocalPath);

        if (!cacheFileFO.exists()) {
            synchronized (BAGStorage.class) {

                if (!cacheDirFO.exists()) {
                    cacheDirFO.createFolder();
                }

                cacheFileFO.createFile();

                OutputStream cacheFileOut = cacheFileFO.getContent().getOutputStream();
                try {
                    readRemoteFile(fileUrlStr, cacheFileOut);
                } finally {
                    cacheFileOut.close();
                }

            }
        }

        return cacheFileFO.getURL();

    } catch (FileSystemException e) {
        throw new BAGException(e);
    } catch (IOException e) {
        throw new BAGException(e);
    }
}

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From source file:org.codehaus.cargo.util.VFSFileHandlerTest.java

/**
 * Test the {@link FileHandler#copyFile(java.lang.String, java.lang.String)} method.
 * @throws Exception If anything goes wrong.
 *//* w  w w  .j  a va 2  s  .c o  m*/
public void testCopyFile() throws Exception {
    String source = "ram:///some/path/file.war";
    String target = "ram:///other/path/newfile.war";

    FileObject sourceObject = this.fsManager.resolveFile(source);
    sourceObject.createFile();

    FileObject targetObject = this.fsManager.resolveFile(target);

    assertFalse(targetObject.exists());

    this.fileHandler.copyFile(source, target);

    assertTrue(targetObject.exists());
}

---

From source file:org.codehaus.cargo.util.VFSFileHandlerTest.java

/**
 * Test the {@link FileHandler#copyFile(java.lang.String, java.lang.String, boolean)} method.
 * @throws Exception If anything goes wrong.
 *//*from  w w w.j a va2 s . c om*/
public void testCopyFileOverwrite() throws Exception {
    String source = "ram:///some/path/file.war";
    String target = "ram:///other/path/newfile.war";

    FileObject sourceObject = this.fsManager.resolveFile(source);
    sourceObject.createFile();

    FileObject targetObject = this.fsManager.resolveFile(target);

    assertFalse(targetObject.exists());

    this.fileHandler.copyFile(source, target, true);

    assertTrue(targetObject.exists());
}

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