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

List of usage examples for org.apache.commons.vfs FileObject exists

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Introduction

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

Prototype

public boolean exists() throws FileSystemException;

Source Link

Document

Determines if this file exists.

Usage

From source file:com.thinkberg.moxo.vfs.s3.S3FileProviderTest.java

public void testMissingFile() throws FileSystemException {
    FileObject object = VFS.getManager().resolveFile(ROOT + "/nonexisting.txt");
    assertFalse(object.exists());
}

From source file:com.pongasoft.kiwidoc.builder.DirectoryContentHandler.java

/**
 * Loads the content of the given resource.
 *
 * @param resource the resource to load/*from w w  w . ja  v a 2  s .com*/
 * @return the content as an object since it depends on which content is being read (ex: manifest,
 *         library, packages, class) (never <code>null</code>)
 * @throws NoSuchContentException if the content does not exist
 * @throws StoreException         if there is a problem reading the content.
 */
public M loadContent(R resource) throws NoSuchContentException, StoreException {
    if (resource == null)
        throw new NoSuchContentException(resource);

    Collection<String> childResources = new ArrayList<String>();

    FileObject root = getResourceFile(resource);

    try {
        if (!root.exists())
            throw new NoSuchContentException(resource);

        if (root.getType() == FileType.FOLDER) {
            FileObject[] children = root.getChildren();
            for (FileObject child : children) {
                if (child.getType() == FileType.FOLDER) {
                    childResources.add(child.getName().getBaseName());
                }
            }
        }
    } catch (FileSystemException e) {
        throw new StoreException(e);
    }

    return _modelFactory.buildModel(resource, childResources);
}

From source file:com.newatlanta.appengine.junit.vfs.provider.GaeProviderTestCase.java

/**
  * Returns the base folder for tests. Copies test files from the local file
  * system to GaeVFS. Note that SVN (.svn) folders are not copied; if the are,
  * then the size of the LRUFilesCache created within GaeFileSystemManager.prepare()
  * must be increased to avoid testcase failures.
  *//*from w  w  w.  j  ava 2s  .  co  m*/
@Override
public FileObject getBaseTestFolder(FileSystemManager manager) throws Exception {
    FileObject gaeTestBaseDir = manager.getBaseFile().resolveFile("test-data");
    if (!gaeTestBaseDir.exists()) {
        FileObject localTestBaseDir = manager
                .resolveFile("file://" + GaeFileNameParser.getRootPath(manager.getBaseFile().getName())
                        + gaeTestBaseDir.getName().getPath());
        gaeTestBaseDir.copyFrom(localTestBaseDir, new TestFileSelector());
        // confirm that the correct number of files were copied
        FileObject[] testFiles = localTestBaseDir.findFiles(new TestFileSelector());
        FileObject[] gaeFiles = gaeTestBaseDir.findFiles(Selectors.SELECT_FILES);
        assertEquals(testFiles.length, gaeFiles.length);
    }
    return gaeTestBaseDir;
}

From source file:com.bedatadriven.renjin.appengine.AppEngineLocalFilesSystemProviderTest.java

@Test
public void test() throws FileSystemException {

    File basePath = new File(getClass().getResource("/jarfiletest.jar").getFile()).getParentFile();

    FileSystemManager dfsm = AppEngineContextFactory
            .createFileSystemManager(new AppEngineLocalFilesSystemProvider(basePath));

    FileObject jarFile = dfsm.resolveFile("/jarfiletest.jar");
    assertThat(jarFile.getName().getURI(), equalTo("file:///jarfiletest.jar"));
    assertThat(jarFile.exists(), equalTo(true));

    FileObject jarRoot = dfsm.resolveFile("jar:file:///jarfiletest.jar!/r/library");
    assertThat(jarRoot.exists(), equalTo(true));
    assertThat(jarRoot.getType(), equalTo(FileType.FOLDER));
    assertThat(jarRoot.getChildren().length, equalTo(1));
}

From source file:com.nary.util.LogFileObject.java

private LogFileObject(FileObject logPath) throws Exception {
    filename = logPath;/*w  ww  . j  a va  2s  . c o  m*/

    if (!logPath.exists())
        logPath.createFile();

    outFileRandomAccess = logPath.getContent().getRandomAccessContent(RandomAccessMode.READWRITE);
    logFileSize = outFileRandomAccess.length();
    outFileRandomAccess.seek(logFileSize);
}

From source file:com.panet.imeta.job.entry.validator.FileDoesNotExistValidator.java

public boolean validate(CheckResultSourceInterface source, String propertyName,
        List<CheckResultInterface> remarks, ValidatorContext context) {

    String filename = ValidatorUtils.getValueAsString(source, propertyName);
    VariableSpace variableSpace = getVariableSpace(source, propertyName, remarks, context);
    boolean failIfExists = getFailIfExists(source, propertyName, remarks, context);

    if (null == variableSpace) {
        return false;
    }//from   w  w w.  j a  v  a2 s  .c  o m

    String realFileName = variableSpace.environmentSubstitute(filename);
    FileObject fileObject = null;
    try {
        fileObject = KettleVFS.getFileObject(realFileName);

        if (fileObject.exists() && failIfExists) {
            JobEntryValidatorUtils.addFailureRemark(source, propertyName, VALIDATOR_NAME, remarks,
                    JobEntryValidatorUtils.getLevelOnFail(context, VALIDATOR_NAME));
            return false;
        }
        try {
            fileObject.close(); // Just being paranoid
        } catch (IOException ignored) {
        }
    } catch (Exception e) {
        JobEntryValidatorUtils.addExceptionRemark(source, propertyName, VALIDATOR_NAME, remarks, e);
        return false;
    }
    return true;
}

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

/**
 * Handle a PROPFIND request./*from  ww w  . ja  va  2s .  co m*/
 *
 * @param request  the servlet request
 * @param response the servlet response
 * @throws IOException if there is an error that cannot be handled normally
 */
public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
    SAXReader saxReader = new SAXReader();
    try {
        Document propDoc = saxReader.read(request.getInputStream());
        logXml(propDoc);

        Element propFindEl = propDoc.getRootElement();
        for (Object propElObject : propFindEl.elements()) {
            Element propEl = (Element) propElObject;
            if (VALID_PROPFIND_TAGS.contains(propEl.getName())) {
                FileObject object = VFSBackend.resolveFile(request.getPathInfo());
                if (object.exists()) {
                    // respond as XML encoded multi status
                    response.setContentType("text/xml");
                    response.setCharacterEncoding("UTF-8");
                    response.setStatus(SC_MULTI_STATUS);

                    Document multiStatusResponse = getMultiStatusResponse(object, propEl, getBaseUrl(request),
                            getDepth(request));
                    logXml(multiStatusResponse);

                    // write the actual response
                    XMLWriter writer = new XMLWriter(response.getWriter(), OutputFormat.createCompactFormat());
                    writer.write(multiStatusResponse);
                    writer.flush();
                    writer.close();

                } else {
                    response.sendError(HttpServletResponse.SC_NOT_FOUND);
                }
                break;
            }
        }
    } catch (DocumentException e) {
        LOG.error("invalid request: " + e.getMessage());
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
    }
}

From source file:com.nary.util.LogFileObject.java

private void rotateLogFile() {
    try {/*ww  w  .j a  v  a  2  s  .c o  m*/
        outFileRandomAccess.close();

        // rename the old file to a new one
        int x = 1;
        String sfname = filename.getName().getBaseName();
        FileObject newFile = filename.getParent().resolveFile(sfname + "." + x);

        while (newFile.exists()) {
            newFile = filename.getParent().resolveFile(sfname + "." + (x++));
        }

        filename.moveTo(newFile);

        //Delete the old one
        filename.delete();
        filename.createFile();

        outFileRandomAccess = filename.getContent().getRandomAccessContent(RandomAccessMode.READWRITE);
        ;
        logFileSize = 0;

    } catch (IOException ignoreException) {
        // - the rotation failed; so lets just reset the current file
    }
}

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

public void service(HttpServletRequest request, HttpServletResponse response) throws IOException {
    SAXReader saxReader = new SAXReader();
    try {//from   www . j  a  v a  2  s  .c o  m
        Document propDoc = saxReader.read(request.getInputStream());
        // log(propDoc);
        Element propFindEl = propDoc.getRootElement();
        Element propEl = (Element) propFindEl.elementIterator().next();
        String propElName = propEl.getName();

        List<String> requestedProperties = new ArrayList<String>();
        boolean ignoreValues = false;
        if (TAG_PROP.equals(propElName)) {
            for (Object id : propEl.elements()) {
                requestedProperties.add(((Element) id).getName());
            }
        } else if (TAG_ALLPROP.equals(propElName)) {
            requestedProperties = DavResource.ALL_PROPERTIES;
        } else if (TAG_PROPNAMES.equals(propElName)) {
            requestedProperties = DavResource.ALL_PROPERTIES;
            ignoreValues = true;
        }

        FileObject object = getResourceManager().getFileObject(request.getPathInfo());
        if (object.exists()) {
            // respond as XML encoded multi status
            response.setContentType("text/xml");
            response.setCharacterEncoding("UTF-8");
            response.setStatus(SC_MULTI_STATUS);

            Document multiStatusResponse = getMultiStatusRespons(object, requestedProperties,
                    getBaseUrl(request), getDepth(request), ignoreValues);
            //log(multiStatusResponse);

            // write the actual response
            XMLWriter writer = new XMLWriter(response.getWriter(), OutputFormat.createCompactFormat());
            writer.write(multiStatusResponse);
            writer.flush();
            writer.close();

        } else {
            log("!! " + object.getName().getPath() + " NOT FOUND");
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
        }
    } catch (DocumentException e) {
        log("!! inavlid request: " + e.getMessage());
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
    }
}

From source file:com.adito.vfs.VFSOutputStream.java

/**
 * <p>Rename the temporary {@link File} to the original one.</p>
 *//*from w  w  w  . j a  v a 2 s.c  om*/
protected void rename(FileObject temporary, FileObject original) throws IOException {
    if ((original.exists()) && (!original.delete())) {
        throw new IOException("Unable to delete original file");
    }
    temporary.moveTo(original);
}