Example usage for java.io File canRead

List of usage examples for java.io File canRead

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Introduction

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

Prototype

public boolean canRead()

Source Link

Document

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

Usage

From source file:com.codercowboy.photo.organizer.service.PhotoIndexer.java

public static Photo indexFile(File f) throws Exception {
    if (!f.exists()) {
        throw new IOException("Cannot index file, file does not exist: " + f.getAbsolutePath());
    }//from w w w . j ava2 s.c  o  m
    if (!f.canRead()) {
        throw new IOException(
                "Cannot index file, file is not readable, permission denied:" + f.getAbsolutePath());
    }

    Photo p = new Photo();
    p.setName(f.getName());
    //TODO: this should be relative path to parent
    p.setFileRelativePath(f.getAbsolutePath());
    p.setFileSize(f.length());
    FileInputStream fis = new FileInputStream(f);
    try {
        p.setMd5Checksum(DigestUtils.md5Hex(fis));
    } finally {
        fis.close();
    }
    return p;
}

From source file:com.ca.dvs.app.dvs_servlet.misc.FileUtil.java

/**
 * Given a folder, return the main RAML file
 * <p>/*from  w  ww.j av  a  2 s . c o m*/
 * @param folder the folder containing a multi-part RAML
 * @param targetName the desired RAML file to find in the folder
 * @return the targetName file if found, or the first RAML file found
 * @throws FileNotFoundException if no RAML files are found in the folder
 */
public static File selectRamlFile(File folder, String targetName) throws FileNotFoundException {

    File selectedFile = null;

    File[] ramlFiles = RamlUtil.getRamlFiles(folder);

    if (null != ramlFiles && ramlFiles.length > 0) {

        for (File f : ramlFiles) {
            if (f.getName().equalsIgnoreCase(targetName) && f.canRead()) {
                selectedFile = f;
                break;
            }
        }

        // If none of the raml files match the base name of the uploaded file, use the first one found
        if (null == selectedFile) {
            selectedFile = ramlFiles[0];
        }
    } else {

        String msg = String.format("No RAML files found in folder - %s", folder.getAbsolutePath());
        log.error(msg);
        throw new FileNotFoundException(msg);
    }

    return selectedFile;
}

From source file:nl.opengeogroep.filesetsync.client.SyncJobState.java

public static boolean haveCachedFileList(String name) {
    File f = getFileListCacheFile(name);
    return f.exists() && f.canRead();
}

From source file:CommandLineInterpreter.java

/**
 *
 *
 * @param file/*from   w  w w .j  ava 2  s  .  c  om*/
 * @param guiAlert
 * @return
 */
public static boolean checkResources(final File file, final boolean guiAlert) {
    Scanner input = null;
    String message = null;
    try {
        input = new Scanner(file);
        while (input.hasNextLine()) {
            String currentFilePath = input.nextLine().trim();
            if (!currentFilePath.isEmpty()) {
                File currentFile = new File(currentFilePath);
                if (!currentFile.exists() || !currentFile.canRead() || !currentFile.canWrite()) {
                    message = "Can not read/write resource file:\n\"" + currentFile.getAbsolutePath() + "\"";
                    alert(message, guiAlert);
                    return false;
                }
            }
        }
    } catch (Exception e) {
        // TODO: logging
        e.printStackTrace();
    } finally {
        if (input != null) {
            input.close();
        }
    }

    return true;
}

From source file:marytts.tools.install.LicenseRegistry.java

private static void loadLocalLicenses() {
    remote2local = new HashMap<URL, String>();
    File downloadDir = new File(System.getProperty("mary.downloadDir", "."));
    File licenseIndexFile = new File(downloadDir, "license-index.txt");
    if (!licenseIndexFile.canRead()) {
        return; // nothing to load
    }// ww  w . java 2 s  .  co  m
    try (BufferedReader br = new BufferedReader(
            new InputStreamReader(new FileInputStream(licenseIndexFile), "UTF-8"))) {
        // Each line in licenseIndexFile is expected to be a pair of local file name (relative to downloadDir) and URL string,
        // separated by a |(pipe) character.

        String line;
        while ((line = br.readLine()) != null) {
            line = line.trim();
            StringTokenizer st = new StringTokenizer(line, "|");
            if (!st.hasMoreTokens()) {
                continue; // skip empty lines
            }
            String localFilename = st.nextToken().trim();
            if (!st.hasMoreTokens()) {
                continue; // skip lines that don't contain a |
            }
            String remoteURLString = st.nextToken().trim();
            File localLicenseFile = new File(downloadDir, localFilename);
            if (!localLicenseFile.canRead()) {
                System.err.println("License index file " + licenseIndexFile.getAbsolutePath()
                        + " refers to license file " + localLicenseFile.getAbsolutePath()
                        + ", but that file cannot be read. Skipping.");
                continue;
            }
            URL remoteURL = new URL(remoteURLString);
            remote2local.put(remoteURL, localFilename);
        }
    } catch (IOException e) {
        System.err.println(
                "Problem reading local license index file " + licenseIndexFile.getAbsolutePath() + ":");
        e.printStackTrace();
    }
}

From source file:android.databinding.tool.LayoutXmlProcessor.java

public static List<File> getLayoutFiles(List<File> resources) {
    List<File> result = new ArrayList<File>();
    for (File resource : resources) {
        if (!resource.exists() || !resource.canRead()) {
            continue;
        }/*from   w w  w .  j a  va 2  s.co m*/
        if (resource.isDirectory()) {
            for (File layoutFolder : resource.listFiles(layoutFolderFilter)) {
                for (File xmlFile : layoutFolder.listFiles(xmlFileFilter)) {
                    result.add(xmlFile);
                }

            }
        } else if (xmlFileFilter.accept(resource.getParentFile(), resource.getName())) {
            result.add(resource);
        }
    }
    return result;
}

From source file:com.autentia.common.util.FileSystemUtils.java

/**
 * Devuelve el path completo donde se encuentra el fichero <tt>fileName</tt>. Este fichero <tt>fileName</tt> se
 * busca en el la lista de directorios definida por <tt>searchPath</tt>. Esta es un lista de directorios del estilo
 * del PATH o del LD_LIBRARY_PATH, es decir una lista de directorios donde el separador es ';' en Windows o ':' en
 * Unix./* w  w w  .  j a va2s  . c o m*/
 * 
 * @see File#pathSeparatorChar
 * @param searchPath lista de directorios del estilo del PATH o del LD_LIBRARY_PATH, es decir una lista de
 *            directorios donde el separador es ';' en Windows o ':' en Unix
 * @param fileName nombre del fichero que se quiere buscar en <tt>searchPath</tt>.
 * @return el path completo donde se encuentra el fichero <tt>fileName</tt>.
 * @throws MissingResourceException si no se encuentra <tt>fileName</tt> en ningn direcotorio definido por
 *             <tt>searchPath</tt>.
 */
public static String searchFileInPath(String searchPath, String fileName) {
    final String[] paths = searchPath.split(File.pathSeparator);
    for (int i = 0; i < paths.length; i++) {
        String filePath = paths[i];
        if (!filePath.endsWith(File.separator)) {
            filePath += File.separator;
        }
        filePath += fileName;
        if (log.isDebugEnabled())
            log.trace("Searching: " + filePath);

        final File propertiesFile = new File(filePath);
        if (propertiesFile.canRead()) {
            if (log.isDebugEnabled())
                log.trace("Found and is readable: " + filePath);
            return filePath;
        }
    }
    throw new MissingResourceException(
            "Cannot find file '" + fileName + "' in path '" + searchPath + "', or cannot be read",
            FileSystemUtils.class.getName(), fileName);
}

From source file:com.prowidesoftware.swift.utils.Lib.java

/**
 * Read the content of the given file into a string.
 *
 * @param file the file to be read/*from   ww  w . j  av a 2s  . c om*/
 * @param encoding encoding to use
 * @return the file contents or null if file is null or does not exist, or can't be read, or is not a file
 * @throws IOException if an error occurs during read
 */
public static String readFile(final File file, final String encoding) throws IOException {
    if (file == null || !file.exists() || !file.canRead() || !file.isFile()) {
        return null;
    }
    BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(file), encoding));
    final StringBuilder sb = new StringBuilder((int) file.length());
    try {
        int c = 0;
        while ((c = in.read()) != -1) {
            sb.append((char) c);
        }
    } finally {
        in.close();
    }
    return sb.toString();
}

From source file:OS.java

/**
 * Returns the first readable and writable application data folder appropriate
 * to this OS./*from   ww w .j  av a 2s  . c  o m*/
 */
public static File getAppDataFolder() {
    File[] folders = listAppDataFolders();

    for (int i = 0; i < folders.length; i++) {
        File folder = folders[i];
        if (folder.canRead() && folder.canWrite())
            return folder;
    }

    return null;
}

From source file:OS.java

/**
 * Returns the first readable and writable user data folder appropriate to
 * this OS.//w ww .ja  v  a  2s . c om
 */
public static File getUserDataFolder() {
    File[] folders = listUserDataFolders();

    for (int i = 0; i < folders.length; i++) {
        File folder = folders[i];
        if (folder.canRead() && folder.canWrite())
            return folder;
    }

    return null;
}