Example usage for java.io File canWrite

Introduction

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

Prototype

public boolean canWrite() 

Source Link

Document

Tests whether the application can modify the file denoted by this abstract pathname.

Usage

From source file:eu.prestoprime.plugin.p4.AccessTasks.java

@WfService(name = "make_consumer_segment", version = "2.2.0")
public void execute(Map<String, String> sParams, Map<String, String> dParamsString,
        Map<String, File> dParamFile) throws TaskExecutionFailedException {

    if (!Boolean.parseBoolean(dParamsString.get("isSegmented"))) {

        // retrieve static params
        String destVolume = sParams.get("dest.path.volume").trim();
        String destFolder = sParams.get("dest.path.folder").trim();

        // retrieve dynamic params
        String dipID = dParamsString.get("dipID");
        String inputFilePath = dParamsString.get("source.file.path");
        String mimeType = dParamsString.get("source.file.mimetype");
        int startFrame = Integer.parseInt(dParamsString.get("start.frame"));
        int stopFrame = Integer.parseInt(dParamsString.get("stop.frame"));

        String outputFolder = destVolume + File.separator + destFolder;

        try {/*from   w w w . ja v  a 2s . c o  m*/

            if (dipID == null)
                throw new TaskExecutionFailedException("Missing AIP ID to extract fragment");

            if (mimeType == null)
                throw new TaskExecutionFailedException("Missing MIME Type to extract fragment");

            DIP dip = P4DataManager.getInstance().getDIPByID(dipID);

            if (inputFilePath == null) {

                // trying to retrieve file path from DIP, last chance...

                List<String> videoFileList = dip.getAVMaterial(mimeType, "FILE");

                if (videoFileList.size() == 0) {

                    throw new TaskExecutionFailedException("Missing input file path to extract fragment");

                } else {

                    inputFilePath = videoFileList.get(0);

                }

            }

            File targetDir = new File(outputFolder);
            targetDir.mkdirs();

            if (!targetDir.canWrite())
                throw new TaskExecutionFailedException("Unable to write to output dir " + outputFolder);

            String targetFileName = dipID + "." + startFrame + "." + stopFrame + "."
                    + FilenameUtils.getExtension(inputFilePath);
            File targetFile = new File(targetDir, targetFileName);

            int startSec = startFrame / 25;
            int endSec = stopFrame / 25;
            int durationSec = endSec - startSec;

            String start = Integer.toString(startSec);
            String duration = Integer.toString(durationSec);

            List<String> formats = dip.getDCField(DCField.format);

            StringBuilder formatSB = new StringBuilder();

            for (String format : formats) {

                formatSB.append(format + "\t");

            }

            // extract fragment using ffmbc
            FFmbc ffmbc = new FFmbc();
            ffmbc.extractSegment(inputFilePath, targetFile.getAbsolutePath(), start, duration, mimeType,
                    formatSB.toString(), "2");

            dParamsString.put("isSegmented", "true");
            dParamsString.put("segment.file.path", targetFileName);

            logger.debug("Consumer copy available at: " + targetFile.getAbsolutePath());

        } catch (DataException e) {
            e.printStackTrace();
            throw new TaskExecutionFailedException("Unable to retrieve DIP with id: " + dipID);
        } catch (IPException e) {
            e.printStackTrace();
            throw new TaskExecutionFailedException("Unable to retrieve MQ file");
        } catch (ToolException e) {
            e.printStackTrace();
            throw new TaskExecutionFailedException("Unable to extract segment with FFMBC");
        }
    }
}

---

From source file:net.lightbody.bmp.proxy.jetty.util.RolloverFileOutputStream.java

private synchronized void setFile() throws IOException {
    // Check directory
    File file = new File(_filename);
    _filename = file.getCanonicalPath();
    file = new File(_filename);
    File dir = new File(file.getParent());
    if (!dir.isDirectory() || !dir.canWrite())
        throw new IOException("Cannot write log directory " + dir);

    Date now = new Date();

    // Is this a rollover file?
    String filename = file.getName();
    int i = filename.toLowerCase().indexOf(YYYY_MM_DD);
    if (i >= 0) {
        file = new File(dir, filename.substring(0, i) + _fileDateFormat.format(now)
                + filename.substring(i + YYYY_MM_DD.length()));
    }//from  w w  w  .j a  va 2  s  . c  om

    if (file.exists() && !file.canWrite())
        throw new IOException("Cannot write log file " + file);

    // Do we need to change the output stream?
    if (out == null || !file.equals(_file)) {
        // Yep
        _file = file;
        if (!_append && file.exists())
            file.renameTo(new File(file.toString() + "." + _fileBackupFormat.format(now)));
        OutputStream oldOut = out;
        out = new FileOutputStream(file.toString(), _append);
        if (oldOut != null)
            oldOut.close();
        if (log.isDebugEnabled())
            log.debug("Opened " + _file);
    }
}

---

From source file:com.github.pmerienne.trident.state.cassandra.embedded.AbstractEmbeddedServer.java

private void cleanCassandraConfigFile(Map<String, Object> parameters) {
    if ((Boolean) parameters.get(CLEAN_CASSANDRA_CONFIG_FILE)) {
        String configYamlFilePath = (String) parameters.get(CONFIG_YAML_FILE);
        final File configYamlFile = new File(configYamlFilePath);
        if (configYamlFile.exists()) {
            String currentUser = System.getProperty("user.name");
            assert configYamlFile.canWrite() : String.format(
                    "No write credential. Please grant write permission for "
                            + "the current user '%s' on file '%s'",
                    currentUser, configYamlFile.getAbsolutePath());
            configYamlFile.delete();//  w w  w.  j av  a  2s  .c o  m
        }
    }
}

---

From source file:com.ingby.socbox.bischeck.configuration.DocManager.java

/**
 * Check if the output directory is valid to create output in. If it does 
 * not exists it will be created.//from  w w w.ja v a 2 s  .  c  o m
 * @param dirname
 * @return the File to the directory
 * @throws IOException if the directory can not be written to, if it can
 * not be created.
 */
private File checkDir(String dirname) throws IOException {

    File outputdir = new File(dirname);

    if (outputdir.isDirectory()) {
        if (outputdir.canWrite() && outputdir.canExecute()) {
            return outputdir;
        } else {
            throw new IOException("Directory " + dirname + " is not writable.");
        }
    } else {
        File parent = outputdir.getParentFile();

        if (parent == null) {
            // absolute name from .
            parent = new File(".");
        }

        if (parent.isDirectory() && parent.canWrite()) {
            outputdir.mkdir();
            return outputdir;
        } else {
            throw new IOException(
                    "Parent directory " + parent.getPath() + " does not exist or is not writable.");
        }
    }
}

---

From source file:com.sse.abtester.VariantManager.java

@Override
public void setServletContext(ServletContext servletContext) {
    sc = servletContext;//from w  ww  .  java  2 s  .  c o  m
    String filepath = sc.getRealPath(rewriteFilterConfPath);

    File filterConfFile = new File(filepath);
    System.out.println("found " + filepath + "and it is Writeable? " + filterConfFile.canWrite());
}

---

From source file:eu.openanalytics.rsb.config.BootstrapConfigurationServletContextListener.java

File getWritableConfigurationDirectory(final ServletContextEvent sce) {
    File rsbConfigurationDirectory = new File(ConfigurationFactory.RSB_CONFIGURATION_DIRECTORY);
    if (rsbConfigurationDirectory.isDirectory() && rsbConfigurationDirectory.canWrite()) {
        return rsbConfigurationDirectory;
    }/*from www  .ja  v a2 s  .  c o m*/

    final String path = sce.getServletContext().getRealPath("/WEB-INF/classes");
    if (StringUtils.isNotBlank(path)) {
        rsbConfigurationDirectory = new File(path);
        if (rsbConfigurationDirectory.isDirectory() && rsbConfigurationDirectory.canWrite()) {
            return rsbConfigurationDirectory;
        }
    }

    return null;
}

---

From source file:com.amazonaws.services.s3.internal.MultiFileOutputStream.java

/**
 * Construct an instance to use the specified directory for temp file
 * creations, and the specified prefix for temp file naming. The
 * {@link #init(UploadObjectObserver, long, long)} must be called before
 * this stream is considered fully initialized.
 * @param namePrefix the prefix for file naming.
 * @param root the file foot./*from   www .  ja  v  a2s  . c  om*/
 */
public MultiFileOutputStream(File root, String namePrefix) {
    if (root == null || !root.isDirectory() || !root.canWrite()) {
        throw new IllegalArgumentException(root + " must be a writable directory");
    }
    if (namePrefix == null || namePrefix.trim().length() == 0) {
        throw new IllegalArgumentException("Please specify a non-empty name prefix");
    }
    this.root = root;
    this.namePrefix = namePrefix;
}

---

From source file:de.metanome.backend.algorithm_execution.TempFileGeneratorTest.java

/**
 * Test method for {@link TempFileGenerator#getTemporaryFile()} <p/> The generator should return
 * readable, writable, empty files./*from  w ww .j a  va  2  s.  c o  m*/
 */
@Test
public void testGetTemporaryFile() throws IOException, FileCreationException {
    // Setup
    TempFileGenerator tempFileGenerator = new TempFileGenerator();

    // Execute functionality
    File actualFile = tempFileGenerator.getTemporaryFile();

    // Check result
    assertTrue(actualFile.exists());
    assertTrue(actualFile.isFile());
    assertTrue(actualFile.canRead());
    assertTrue(actualFile.canWrite());
    assertEquals(0, actualFile.length());

    // Cleanup
    tempFileGenerator.close();
}

---

From source file:com.mirth.connect.connectors.file.filesystems.FileConnection.java

@Override
public boolean canWrite(String writeDir) {
    File writeDirectory = new File(writeDir);
    return writeDirectory.isDirectory() && writeDirectory.canWrite();
}

---

From source file:eu.europa.ejusticeportal.dss.applet.model.action.SavePdfActionTest.java

/**
 * Test the doExec method for SavePdfAction
 *///from   ww w .  j a va2s .  c  o  m
@Test
public void testDoExec() {
    FileInputStream fis = null;
    FileInputStream result = null;
    SavePdfAction instance;
    try {
        fis = new FileInputStream("src/test/resources/hello-world.pdf");
        byte[] pdf = (IOUtils.toByteArray(fis));
        instance = new SavePdfAction(pdf, null);
        instance.exec();

        File f = File.createTempFile("test", ".pdf");
        f.deleteOnExit();
        instance = new SavePdfAction(pdf, f);
        instance.exec();
        assertNotNull(f);
        assertTrue(f.exists());
        assertTrue(f.canRead());
        assertTrue(f.canWrite());

        result = new FileInputStream(f);
        byte[] resultPdf = (IOUtils.toByteArray(result));
        assertTrue(resultPdf.length > 0);

    } catch (FileNotFoundException ex) {
        fail("Hello-world.pdf is not available.");
    } catch (IOException ex) {
        fail("IO Issue");
    } finally {
        try {
            fis.close();
            result.close();
        } catch (IOException ex) {
            fail("Unable to close File stream");
        }
    }
}

---

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