Example usage for org.apache.commons.vfs FileContent getInputStream

Introduction

In this page you can find the example usage for org.apache.commons.vfs FileContent getInputStream.

Prototype

InputStream getInputStream() throws FileSystemException;

Source Link

Document

Returns an input stream for reading the file's content.

Usage

From source file:com.panet.imeta.core.vfs.KettleVFS.java

public static InputStream getInputStream(FileObject fileObject) throws FileSystemException {
    FileContent content = fileObject.getContent();
    return content.getInputStream();
}

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

/**
 * <p>/*w w  w . j ava 2  s. c  o  m*/
 * byte ?? ? ?.
 * <p>
 * @param file
 *        <code>FileObject</code>
 * @return ? 
 * @throws IOException
 */
public static byte[] getContent(final FileObject file) throws IOException {
    final FileContent content = file.getContent();
    final int size = (int) content.getSize();
    final byte[] buf = new byte[size];

    final InputStream in = content.getInputStream();
    try {
        int read = 0;
        for (int pos = 0; pos < size && read >= 0; pos += read) {
            read = in.read(buf, pos, size - pos);
        }
    } finally {
        in.close();
    }

    return buf;
}

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From source file:com.qmetric.document.watermark.DefaultPdfReaderFactory.java

@Override
public PdfReader newPdfReader(final FileContent fileContent) throws IOException {
    return new PdfReader(fileContent.getInputStream(), ownerPassword);
}

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From source file:com.learningobjects.community.abgm.logic.ControllerJob.java

private void download(String sourceUrl, File destinationFile) throws IOException {
    logger.log(Level.INFO, "Downloading or copying file from " + sourceUrl + " to " + destinationFile);
    FileObject sourceFileObject = null;
    OutputStream outputStream = null;
    try {//from ww  w .j ava2  s  .  c o  m
        // special case sftp so that new hosts work out of the box. other options could go here too
        SftpFileSystemConfigBuilder sftpFileSystemConfigBuilder = SftpFileSystemConfigBuilder.getInstance();
        FileSystemOptions fileSystemOptions = new FileSystemOptions();
        sftpFileSystemConfigBuilder.setStrictHostKeyChecking(fileSystemOptions, "no");
        // actually try to get the file
        FileSystemManager fsManager = VFS.getManager();
        sourceFileObject = fsManager.resolveFile(sourceUrl, fileSystemOptions);
        FileContent sourceFileContent = sourceFileObject.getContent();
        InputStream inputStream = sourceFileContent.getInputStream();
        outputStream = new FileOutputStream(destinationFile);
        // do the copy - this is probably a dupe of commons io, and many others
        byte[] buffer = new byte[8192];
        int length;
        while ((length = inputStream.read(buffer)) > 0) {
            outputStream.write(buffer, 0, length);
        }
    } finally {
        if (outputStream != null) {
            outputStream.close();
        }
        if (sourceFileObject != null) {
            sourceFileObject.close(); // this will close the fileContent object, too
        }
    }
}

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From source file:com.sonatype.nexus.plugin.groovyconsole.DefaultScriptStorage.java

private void updateScript(FileObject file) {
    FileName name = file.getName();//from   w  ww .ja  v a  2 s .c  om
    getLogger().info("New script file found: " + name);

    String script;
    try {
        FileContent content = file.getContent();
        script = IOUtils.toString(content.getInputStream());
        content.close();
    } catch (IOException e) {
        getLogger().warn("Unable to read script file: " + name, e);
        return;
    }

    synchronized (scripts) {
        scripts.put(getName(name), script);
    }
}

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

/**
 *  ?  ??  ? ? ./* w ww.  ja  v  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:mondrian.spi.impl.ApacheVfsVirtualFileHandler.java

public InputStream readVirtualFile(String url) throws FileSystemException {
    // Treat catalogUrl as an Apache VFS (Virtual File System) URL.
    // VFS handles all of the usual protocols (http:, file:)
    // and then some.
    FileSystemManager fsManager = VFS.getManager();
    if (fsManager == null) {
        throw Util.newError("Cannot get virtual file system manager");
    }//from   w  w w . j  a v a2  s.co  m

    // Workaround VFS bug.
    if (url.startsWith("file://localhost")) {
        url = url.substring("file://localhost".length());
    }
    if (url.startsWith("file:")) {
        url = url.substring("file:".length());
    }

    //work around for VFS bug not closing http sockets
    // (Mondrian-585)
    if (url.startsWith("http")) {
        try {
            return new URL(url).openStream();
        } catch (IOException e) {
            throw Util.newError("Could not read URL: " + url);
        }
    }

    File userDir = new File("").getAbsoluteFile();
    FileObject file = fsManager.resolveFile(userDir, url);
    FileContent fileContent = null;
    try {
        // Because of VFS caching, make sure we refresh to get the latest
        // file content. This refresh may possibly solve the following
        // workaround for defect MONDRIAN-508, but cannot be tested, so we
        // will leave the work around for now.
        file.refresh();

        // Workaround to defect MONDRIAN-508. For HttpFileObjects, verifies
        // the URL of the file retrieved matches the URL passed in.  A VFS
        // cache bug can cause it to treat URLs with different parameters
        // as the same file (e.g. http://blah.com?param=A,
        // http://blah.com?param=B)
        if (file instanceof HttpFileObject && !file.getName().getURI().equals(url)) {
            fsManager.getFilesCache().removeFile(file.getFileSystem(), file.getName());

            file = fsManager.resolveFile(userDir, url);
        }

        if (!file.isReadable()) {
            throw Util.newError("Virtual file is not readable: " + url);
        }

        fileContent = file.getContent();
    } finally {
        file.close();
    }

    if (fileContent == null) {
        throw Util.newError("Cannot get virtual file content: " + url);
    }

    return fileContent.getInputStream();
}

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From source file:mondrian.olap.Util.java

/**
 * Gets content via Apache VFS. File must exist and have content
 *
 * @param url String//ww  w .  j a  va 2  s  .  c om
 * @return Apache VFS FileContent for further processing
 * @throws FileSystemException on error
 */
public static InputStream readVirtualFile(String url) throws FileSystemException {
    // Treat catalogUrl as an Apache VFS (Virtual File System) URL.
    // VFS handles all of the usual protocols (http:, file:)
    // and then some.
    FileSystemManager fsManager = VFS.getManager();
    if (fsManager == null) {
        throw newError("Cannot get virtual file system manager");
    }

    // Workaround VFS bug.
    if (url.startsWith("file://localhost")) {
        url = url.substring("file://localhost".length());
    }
    if (url.startsWith("file:")) {
        url = url.substring("file:".length());
    }

    // work around for VFS bug not closing http sockets
    // (Mondrian-585)
    if (url.startsWith("http")) {
        try {
            return new URL(url).openStream();
        } catch (IOException e) {
            throw newError("Could not read URL: " + url);
        }
    }

    File userDir = new File("").getAbsoluteFile();
    FileObject file = fsManager.resolveFile(userDir, url);
    FileContent fileContent = null;
    try {
        // Because of VFS caching, make sure we refresh to get the latest
        // file content. This refresh may possibly solve the following
        // workaround for defect MONDRIAN-508, but cannot be tested, so we
        // will leave the work around for now.
        file.refresh();

        // Workaround to defect MONDRIAN-508. For HttpFileObjects, verifies
        // the URL of the file retrieved matches the URL passed in.  A VFS
        // cache bug can cause it to treat URLs with different parameters
        // as the same file (e.g. http://blah.com?param=A,
        // http://blah.com?param=B)
        if (file instanceof HttpFileObject && !file.getName().getURI().equals(url)) {
            fsManager.getFilesCache().removeFile(file.getFileSystem(), file.getName());

            file = fsManager.resolveFile(userDir, url);
        }

        if (!file.isReadable()) {
            throw newError("Virtual file is not readable: " + url);
        }

        fileContent = file.getContent();
    } finally {
        file.close();
    }

    if (fileContent == null) {
        throw newError("Cannot get virtual file content: " + url);
    }

    return fileContent.getInputStream();
}

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From source file:org.apache.ivy.plugins.repository.vfs.VfsRepository.java

/**
 * Transfer a VFS Resource from the repository to the local file system.
 * //from www. j  a  v  a 2s.c  o m
 * @param srcVfsURI
 *            a <code>String</code> identifying the VFS resource to be fetched
 * @param destination
 *            a <code>File</code> identifying the destination file
 * @throws <code>IOException</code> on failure
 * @see "Supported File Systems in the jakarta-commons-vfs documentation"
 */
public void get(String srcVfsURI, File destination) throws IOException {
    VfsResource src = new VfsResource(srcVfsURI, getVFSManager());
    fireTransferInitiated(src, TransferEvent.REQUEST_GET);
    try {
        FileContent content = src.getContent();
        if (content == null) {
            throw new IllegalArgumentException("invalid vfs uri " + srcVfsURI + ": no content found");
        }
        FileUtil.copy(content.getInputStream(), destination, progress);
    } catch (IOException ex) {
        fireTransferError(ex);
        throw ex;
    } catch (RuntimeException ex) {
        fireTransferError(ex);
        throw ex;
    }
}

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From source file:org.kalypso.simulation.grid.GridJobSubmitter.java

public void submitJob(final FileObject workingDir, final String executable, ISimulationMonitor monitor,
        String... arguments) throws SimulationException {
    if (monitor == null) {
        monitor = new NullSimulationMonitor();
    }/*from  ww w. ja v  a 2  s.co m*/

    // prepare streams
    FileObject stdoutFile = null;
    FileObject stderrFile = null;
    int returnCode = IStatus.ERROR;
    try {
        // stream stdout and stderr to files
        stdoutFile = workingDir.resolveFile("stdout");
        stderrFile = workingDir.resolveFile("stderr");

        // create process handle
        final String processFactoryId = "org.kalypso.simulation.gridprocess";
        // TODO: refactor so tempdir is created inside process
        final String tempDirName = workingDir.getName().getBaseName();
        final IProcess process = KalypsoCommonsExtensions.createProcess(processFactoryId, tempDirName,
                executable, arguments);
        // process.setProgressMonitor( new SimulationMonitorAdaptor( monitor ) );
        process.environment().put("OMP_NUM_THREADS", "4");

        final FileContent stdOutContent = stdoutFile.getContent();
        final OutputStream stdOut = stdOutContent.getOutputStream();
        final FileContent stdErrContent = stderrFile.getContent();
        final OutputStream stdErr = stdErrContent.getOutputStream();

        // stage-in files
        final FileSystemManager manager = workingDir.getFileSystem().getFileSystemManager();
        for (final URI einput : m_externalInputs.keySet()) {
            final FileObject inputFile = manager.resolveFile(getUriAsString(einput));
            final String destName = m_externalInputs.get(einput);
            if (destName != null) {
                final FileObject destFile = workingDir.resolveFile(destName);
                VFSUtil.copy(inputFile, destFile, null, true);
            } else {
                VFSUtil.copy(inputFile, workingDir, null, true);
            }
        }

        // start process
        returnCode = process.startProcess(stdOut, stdErr, null, null);
    } catch (final CoreException e) {
        // when process cannot be created
        throw new SimulationException("Could not create process.", e);
    } catch (final ProcessTimeoutException e) {
        e.printStackTrace();
    } catch (final FileNotFoundException e) {
        // can only happen when files cannot be created in tmpdir
        throw new SimulationException("Could not create temporary files for stdout and stderr.", e);
    } catch (final IOException e) {
        throw new SimulationException("Process I/O error.", e);
    } finally {
        // close files
        if (stdoutFile != null) {
            try {
                stdoutFile.getContent().close();
            } catch (final FileSystemException e) {
                // gobble
            }
        }
        if (stderrFile != null) {
            try {
                stderrFile.getContent().close();
            } catch (final FileSystemException e) {
                // gobble
            }
        }
    }

    // process failure handling
    if (returnCode != IStatus.OK) {
        String errString = "Process failed.";
        try {
            final FileContent content = stderrFile.getContent();
            final InputStream input2 = content.getInputStream();
            errString = errString + "\n" + IOUtils.toString(input2);
            content.close();
        } catch (final IOException e) {
            // ignore
        }
        monitor.setFinishInfo(returnCode, errString);
        throw new SimulationException(errString);
    } else {
        monitor.setFinishInfo(IStatus.OK, "Process finished successfully.");
    }
}

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