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

Introduction

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

Prototype

public int delete(FileSelector selector) throws FileSystemException;

Source Link

Document

Deletes all descendents of this file that match a selector.

Usage

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

/**
 *  ? ?? ? ? ? ? ?? ?./*from  w ww .  jav  a 2s .  c  o m*/
 * @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

/**
 * ? ? , ?  ??  ?? ?/*from www.  j a  v a  2 s  .c  om*/
 * ?  ? ? ? .
 * @throws Exception
 */
@Test
public void testCaching() throws Exception {
    String testFolder = "d:/workspace/java/e-gov/eGovFramework/RTE/DEV/trunk/Foundation/egovframework.rte.fdl.filehandling/testfolder";
    FileSystemManager manager = VFS.getManager();

    FileObject scratchFolder = manager.resolveFile(testFolder);

    // testfolder ?  ? 
    scratchFolder.delete(Selectors.EXCLUDE_SELF);

    // ? Manager ?
    DefaultFileSystemManager fs = new DefaultFileSystemManager();
    fs.setFilesCache(manager.getFilesCache());

    // zip, jar, tgz, tar, tbz2, file
    if (!fs.hasProvider("file")) {
        fs.addProvider("file", new DefaultLocalFileProvider());
    }

    fs.setCacheStrategy(CacheStrategy.ON_RESOLVE);
    fs.init();

    // ? ? ?
    FileObject foBase2 = fs.resolveFile(testFolder);
    log.debug("## scratchFolder.getName().getPath() : " + scratchFolder.getName().getPath());

    FileObject cachedFolder = foBase2.resolveFile(scratchFolder.getName().getPath());

    // ??  ?
    FileObject[] fos = cachedFolder.getChildren();
    assertFalse(contains(fos, "file1.txt"));

    // ??
    scratchFolder.resolveFile("file1.txt").createFile();

    // ? 
    // BUT cachedFolder ? ??  ?
    fos = cachedFolder.getChildren();
    assertFalse(contains(fos, "file1.txt"));

    // 
    cachedFolder.refresh();
    // ?? 
    fos = cachedFolder.getChildren();
    assertTrue(contains(fos, "file1.txt"));

}

---

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

/**
 *  ?  ??  ? ? .//w  w  w .  j a va 2  s.c om
 * ?    ? ?    ?? ?.
 * @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);
}

---

From source file:com.thinkberg.moxo.dav.DeleteHandler.java

public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
    FileObject object = getResourceManager().getFileObject(request.getPathInfo());
    if (request instanceof Request) {
        String fragment = ((Request) request).getUri().getFragment();
        if (fragment != null) {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
            return;
        }//from  ww w . j av  a  2  s .  c o m
    }

    try {
        LockManager.getInstance().checkCondition(object, getIf(request));
    } catch (LockException e) {
        if (e.getLocks() != null) {
            response.sendError(SC_LOCKED);
        } else {
            response.sendError(HttpServletResponse.SC_PRECONDITION_FAILED);
        }
        return;
    }

    if (object.exists()) {
        if (object.delete(ALL_FILES_SELECTOR) > 0) {
            response.setStatus(HttpServletResponse.SC_OK);
        } else {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
        }
    } else {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
    }
}

---

From source file:com.thinkberg.webdav.DeleteHandler.java

public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
    FileObject object = VFSBackend.resolveFile(request.getPathInfo());

    try {//from   w w w  . ja  v  a  2s  .com
        String fragment = new URI(request.getRequestURI()).getFragment();
        if (fragment != null) {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
            return;
        }
    } catch (URISyntaxException e) {
        throw new IOException(e.getMessage());
    }

    try {
        if (!LockManager.getInstance().evaluateCondition(object, getIf(request)).result) {
            response.sendError(HttpServletResponse.SC_PRECONDITION_FAILED);
            return;
        }
    } catch (LockException e) {
        response.sendError(SC_LOCKED);
        return;
    } catch (ParseException e) {
        response.sendError(HttpServletResponse.SC_PRECONDITION_FAILED);
        return;
    }

    if (object.exists()) {
        int deletedObjects = object.delete(ALL_FILES_SELECTOR);
        LOG.debug("deleted " + deletedObjects + " objects");
        if (deletedObjects > 0) {
            response.setStatus(HttpServletResponse.SC_OK);
        } else {
            response.sendError(HttpServletResponse.SC_FORBIDDEN);
        }
    } else {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
    }
}

---

From source file:com.newatlanta.appengine.junit.vfs.gae.GaeFolderTestCase.java

public void testFolders() throws Exception {
    // root object
    FileObject rootObject = testRootObject();

    // create folder
    FileObject testFolder = testCreateTestFolder(rootObject);

    // create sub-folders
    FileObject subFolder = testFolder.resolveFile("abc/def/ghi");
    assertFalse(subFolder.exists());/* w w  w .j a v a 2 s.  c  om*/
    subFolder.createFolder();
    assertFolder(subFolder);
    assertSubFolders(testFolder, new String[] { "abc/def/ghi", "abc/def", "abc" });
    assertEntity(rootObject);

    // rename
    FileObject srcFolder = testFolder.resolveFile("abc/def");
    FileObject destFolder = testFolder.resolveFile("abc/xyz");
    assertTrue(testFolder.canRenameTo(destFolder));
    srcFolder.moveTo(destFolder);
    assertFolder(destFolder);
    assertFalse(srcFolder.exists());
    assertSubFolders(testFolder, new String[] { "abc/xyz/ghi", "abc/xyz", "abc" });

    // TODO: test moving a folder to a different parent

    // delete
    assertTrue(testFolder.exists());
    testFolder.delete(Selectors.SELECT_ALL);
    assertFalse(testFolder.exists());
}

---

From source file:com.panet.imeta.job.entries.deletefolders.JobEntryDeleteFolders.java

private boolean deleteFolder(String foldername) {
    LogWriter log = LogWriter.getInstance();

    boolean rcode = false;
    FileObject filefolder = null;

    try {/*from   w ww  . j a va2 s  .c o  m*/
        filefolder = KettleVFS.getFileObject(foldername);

        // Here gc() is explicitly called if e.g. createfile is used in the
        // same
        // job for the same file. The problem is that after creating the
        // file the
        // file object is not properly garbaged collected and thus the file
        // cannot
        // be deleted anymore. This is a known problem in the JVM.

        System.gc();

        if (filefolder.exists()) {
            // the file or folder exists
            if (filefolder.getType() == FileType.FOLDER) {
                // It's a folder
                if (log.isDetailed())
                    log.logDetailed(toString(),
                            Messages.getString("JobEntryDeleteFolders.ProcessingFolder", foldername)); //$NON-NLS-1$
                // Delete Files
                int Nr = filefolder.delete(new TextFileSelector());

                if (log.isDetailed())
                    log.logDetailed(toString(), Messages.getString("JobEntryDeleteFolders.TotalDeleted", //$NON-NLS-1$
                            foldername, String.valueOf(Nr)));
                rcode = true;
            } else {
                // Error...This file is not a folder!
                log.logError(toString(), Messages.getString("JobEntryDeleteFolders.Error.NotFolder"));
            }
        } else {
            // File already deleted, no reason to try to delete it
            if (log.isBasic())
                log.logBasic(toString(),
                        Messages.getString("JobEntryDeleteFolders.FolderAlreadyDeleted", foldername)); //$NON-NLS-1$
            rcode = true;
        }
    } catch (IOException e) {
        log.logError(toString(),
                Messages.getString("JobEntryDeleteFolders.CouldNotDelete", foldername, e.getMessage())); //$NON-NLS-1$
    } finally {
        if (filefolder != null) {
            try {
                filefolder.close();
            } catch (IOException ex) {
            }
            ;
        }
    }

    return rcode;
}

---

From source file:com.panet.imeta.job.entries.deletefiles.JobEntryDeleteFiles.java

private boolean ProcessFile(String filename, String wildcard, Job parentJob) {
    LogWriter log = LogWriter.getInstance();

    boolean rcode = false;
    FileObject filefolder = null;
    String realFilefoldername = environmentSubstitute(filename);
    String realwildcard = environmentSubstitute(wildcard);

    try {/*from ww  w. j ava  2s. c  o m*/
        filefolder = KettleVFS.getFileObject(realFilefoldername);

        // Here gc() is explicitly called if e.g. createfile is used in the
        // same
        // job for the same file. The problem is that after creating the
        // file the
        // file object is not properly garbaged collected and thus the file
        // cannot
        // be deleted anymore. This is a known problem in the JVM.

        System.gc();

        if (filefolder.exists()) {
            // the file or folder exists
            if (filefolder.getType() == FileType.FOLDER) {
                // It's a folder
                if (log.isDetailed())
                    log.logDetailed(toString(),
                            Messages.getString("JobEntryDeleteFiles.ProcessingFolder", realFilefoldername)); //$NON-NLS-1$
                // Delete Files

                int Nr = filefolder
                        .delete(new TextFileSelector(filefolder.toString(), realwildcard, parentJob));

                if (log.isDetailed())
                    log.logDetailed(toString(),
                            Messages.getString("JobEntryDeleteFiles.TotalDeleted", String.valueOf(Nr))); //$NON-NLS-1$
                rcode = true;
            } else {
                // It's a file
                if (log.isDetailed())
                    log.logDetailed(toString(),
                            Messages.getString("JobEntryDeleteFiles.ProcessingFile", realFilefoldername)); //$NON-NLS-1$
                boolean deleted = filefolder.delete();
                if (!deleted) {
                    log.logError(toString(),
                            Messages.getString("JobEntryDeleteFiles.CouldNotDeleteFile", realFilefoldername)); //$NON-NLS-1$
                } else {
                    if (log.isBasic())
                        log.logBasic(toString(),
                                Messages.getString("JobEntryDeleteFiles.FileDeleted", filename)); //$NON-NLS-1$
                    rcode = true;
                }
            }
        } else {
            // File already deleted, no reason to try to delete it
            if (log.isBasic())
                log.logBasic(toString(),
                        Messages.getString("JobEntryDeleteFiles.FileAlreadyDeleted", realFilefoldername)); //$NON-NLS-1$
            rcode = true;
        }
    } catch (IOException e) {
        log.logError(toString(),
                Messages.getString("JobEntryDeleteFiles.CouldNotProcess", realFilefoldername, e.getMessage())); //$NON-NLS-1$
    } finally {
        if (filefolder != null) {
            try {
                filefolder.close();
            } catch (IOException ex) {
            }
            ;
        }
    }

    return rcode;
}

---

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

/**
 * Does an 'rm' command.//from  www .j  a  v  a2 s.co  m
 */
private void rm(final String[] cmd) throws Exception {
    if (cmd.length < 2) {
        throw new Exception("USAGE: rm <path>");
    }

    final FileObject file = mgr.resolveFile(cwd, cmd[1]);
    file.delete(Selectors.SELECT_SELF);
}

---

From source file:org.codehaus.cargo.container.spi.configuration.StandaloneConfigurationTest.java

/**
 * Test the creation of a config directory when the target directory does not exist yet.
 * @throws Exception If anything goes wrong.
 *//*from  ww w  .  j a va 2s .c  o m*/
public void testCreateConfigDirWhenDirectoryDoesNotExist() throws Exception {
    String configDir = "ram:///cargo/testCreateConfigDirWhenDirectoryDoesNotExist";

    FileObject configDirObject = VFS.getManager().resolveFile(configDir);
    FileObject timestampFileObject = configDirObject.resolveFile(".cargo");

    configDirObject.delete(new AllFileSelector());

    TestableAbstractStandaloneConfiguration configuration = new TestableAbstractStandaloneConfiguration(
            configDir);
    configuration.setFileHandler(new VFSFileHandler());
    configuration.setupConfigurationDir();

    assertTrue("Config dir should have been created", configDirObject.exists());
    assertTrue("Cargo timestamp should have existed", timestampFileObject.exists());
}

---

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