Examples with FileInputStream java.io.FileInputStream used on opensource projects

Example 36 with FileInputStream

use of java.io.FileInputStream in project tomcat by apache.

the class ExtensionValidator method addSystemResource.

/**
     * Checks to see if the given system JAR file contains a MANIFEST, and adds
     * it to the container's manifest resources.
     *
     * @param jarFile The system JAR whose manifest to add
     * @throws IOException Error reading JAR file
     */
public static void addSystemResource(File jarFile) throws IOException {
    try (InputStream is = new FileInputStream(jarFile)) {
        Manifest manifest = getManifest(is);
        if (manifest != null) {
            ManifestResource mre = new ManifestResource(jarFile.getAbsolutePath(), manifest, ManifestResource.SYSTEM);
            containerManifestResources.add(mre);
        }
    }
}

Example 37 with FileInputStream

use of java.io.FileInputStream in project tomcat by apache.

the class ConfigFileLoader method getInputStream.

/**
     * Load the resource from the specified location.
     *
     * @param location The location for the resource of interest. The location
     *                 may be a URL or a file path. Relative paths will be
     *                 resolved against CATALINA_BASE.
     *
     * @return The InputStream for the given resource. The caller is responsible
     *         for closing this stream when it is no longer used.
     *
     * @throws IOException If an InputStream cannot be created using the
     *                     provided location
     */
public static InputStream getInputStream(String location) throws IOException {
    // Location was originally always a file before URI support was added so
    // try file first.
    File f = new File(location);
    if (!f.isAbsolute()) {
        f = new File(CATALINA_BASE_FILE, location);
    }
    if (f.isFile()) {
        return new FileInputStream(f);
    }
    // File didn't work so try URI.
    // Using resolve() enables the code to handle relative paths that did
    // not point to a file
    URI uri;
    if (CATALINA_BASE_URI != null) {
        uri = CATALINA_BASE_URI.resolve(location);
    } else {
        uri = URI.create(location);
    }
    // Obtain the input stream we need
    try {
        URL url = uri.toURL();
        return url.openConnection().getInputStream();
    } catch (IllegalArgumentException e) {
        throw new IOException(sm.getString("configFileLoader.cannotObtainURL", location), e);
    }
}

Example 38 with FileInputStream

use of java.io.FileInputStream in project zeppelin by apache.

the class NotebookAuthorization method loadFromFile.

private static void loadFromFile() throws IOException {
    File settingFile = new File(filePath);
    LOG.info(settingFile.getAbsolutePath());
    if (!settingFile.exists()) {
        // nothing to read
        return;
    }
    FileInputStream fis = new FileInputStream(settingFile);
    InputStreamReader isr = new InputStreamReader(fis);
    BufferedReader bufferedReader = new BufferedReader(isr);
    StringBuilder sb = new StringBuilder();
    String line;
    while ((line = bufferedReader.readLine()) != null) {
        sb.append(line);
    }
    isr.close();
    fis.close();
    String json = sb.toString();
    NotebookAuthorizationInfoSaving info = gson.fromJson(json, NotebookAuthorizationInfoSaving.class);
    authInfo = info.authInfo;
}

Example 39 with FileInputStream

use of java.io.FileInputStream in project zookeeper by apache.

the class SnapshotFormatter method run.

public void run(String snapshotFileName) throws IOException {
    InputStream is = new CheckedInputStream(new BufferedInputStream(new FileInputStream(snapshotFileName)), new Adler32());
    InputArchive ia = BinaryInputArchive.getArchive(is);
    FileSnap fileSnap = new FileSnap(null);
    DataTree dataTree = new DataTree();
    Map<Long, Integer> sessions = new HashMap<Long, Integer>();
    fileSnap.deserialize(dataTree, sessions, ia);
    printDetails(dataTree, sessions);
}

Example 40 with FileInputStream

use of java.io.FileInputStream in project zookeeper by apache.

the class LoadFromLogTest method testPad.

/**
     * Simulates ZOOKEEPER-1069 and verifies that flush() before padLogFile
     * fixes it.
     */
@Test
public void testPad() throws Exception {
    File tmpDir = ClientBase.createTmpDir();
    FileTxnLog txnLog = new FileTxnLog(tmpDir);
    TxnHeader txnHeader = new TxnHeader(0xabcd, 0x123, 0x123, Time.currentElapsedTime(), OpCode.create);
    Record txn = new CreateTxn("/Test", new byte[0], null, false, 1);
    txnLog.append(txnHeader, txn);
    FileInputStream in = new FileInputStream(tmpDir.getPath() + "/log." + Long.toHexString(txnHeader.getZxid()));
    BinaryInputArchive ia = BinaryInputArchive.getArchive(in);
    FileHeader header = new FileHeader();
    header.deserialize(ia, "fileheader");
    LOG.info("Received magic : " + header.getMagic() + " Expected : " + FileTxnLog.TXNLOG_MAGIC);
    Assert.assertTrue("Missing magic number ", header.getMagic() == FileTxnLog.TXNLOG_MAGIC);
}