Example usage for java.io InputStream markSupported

Introduction

In this page you can find the example usage for java.io InputStream markSupported.

Prototype

public boolean markSupported()

Source Link

Document

Tests if this input stream supports the mark and reset methods.

Usage

From source file:org.xwiki.filter.xar.internal.input.XARInputFilterStream.java

private Boolean isZip(InputStream stream) throws IOException {
    if (!stream.markSupported()) {
        // ZIP by default
        return null;
    }//from w w w. ja v a2s. c  o  m

    final byte[] signature = new byte[12];
    stream.mark(signature.length);
    int signatureLength = stream.read(signature);
    stream.reset();

    return ZipArchiveInputStream.matches(signature, signatureLength);
}

From source file:de.fanero.uncompress.stream.StreamDetectorImpl.java

@Override
public ArchiveInputStream detectAndCreateInputStream(InputStream in, ArchiveEntry archiveEntry)
        throws IOException {

    if (!in.markSupported()) {
        throw new IllegalArgumentException("Mark is not supported.");
    }//from   ww  w.  j a  v a  2  s . c  o  m

    byte[] header = readHeader(in, headerSize);
    archiveEntry = nullToEmpty(archiveEntry);

    for (StreamMatcherFactory detector : detectors) {

        StreamMatcher.MatchResult matchResult = detector.matches(header, archiveEntry);

        switch (matchResult) {
        case MATCH:
            return detector.createStream(in, archiveEntry);
        case NO_MATCH:
            break;
        case STOP_MATCHING:
            return null;
        }
    }
    return null;
}

From source file:VASSAL.tools.io.RereadableInputStreamTest.java

@Test
public void testMarkSupported() {
    final InputStream in = new RereadableInputStream(new NullInputStream(10));
    assertTrue(in.markSupported());
}

From source file:com.amazonaws.internal.ResettableInputStreamTest.java

@Test
public void testFileInputStream() throws IOException {
    InputStream is = new FileInputStream(file);
    assertFalse(is.markSupported());
    final String content = IOUtils.toString(is);
    final String content2 = IOUtils.toString(is);
    assertTrue(content.length() == 100);
    assertEquals(content2, "");
    is.close();//  w  w  w  . j  ava  2  s  .c  o m
}

From source file:MidiTest.java

/**
 * Loads a sequence from an input stream. Returns null if an error occurs.
 *//*  www. j a  v  a  2s .c o  m*/
public Sequence getSequence(InputStream is) {
    try {
        if (!is.markSupported()) {
            is = new BufferedInputStream(is);
        }
        Sequence s = MidiSystem.getSequence(is);
        is.close();
        return s;
    } catch (InvalidMidiDataException ex) {
        ex.printStackTrace();
        return null;
    } catch (IOException ex) {
        ex.printStackTrace();
        return null;
    }
}

From source file:com.intuit.karate.LoggingFilter.java

@Override
public void filter(ClientRequestContext request, ClientResponseContext response) throws IOException {
    int id = counter.get();
    StringBuilder sb = new StringBuilder();
    sb.append('\n').append(id).append(" < ").append(response.getStatus()).append('\n');
    logHeaders(sb, id, '<', response.getHeaders());
    if (response.hasEntity() && isPrintable(response.getMediaType())) {
        InputStream is = response.getEntityStream();
        if (!is.markSupported()) {
            is = new BufferedInputStream(is);
        }/*from w  w  w  .  j av  a2  s .c  o  m*/
        is.mark(Integer.MAX_VALUE);
        String buffer = IOUtils.toString(is, getCharset(response.getMediaType()));
        sb.append(buffer).append('\n');
        is.reset();
        response.setEntityStream(is); // in case it was swapped
    }
    logger.debug(sb.toString());
}

From source file:com.github.n_i_e.dirtreedb.ApacheCompressArchiveLister.java

public ApacheCompressArchiveLister(PathEntry basepath, InputStream inf) throws IOException {
    super(basepath);
    Assertion.assertNullPointerException(inf != null);
    Assertion.assertAssertionError(inf.markSupported());
    try {//from   w w w . j  ava 2 s .  c  o  m
        instream = new ArchiveStreamFactory().createArchiveInputStream(inf);
    } catch (ArchiveException e) {
        throw new IOException(e.toString());
    }
}

From source file:org.alfresco.encoding.AbstractCharactersetFinder.java

/**
 * {@inheritDoc}// w w w. ja  va  2 s.  c  om
 * <p>
 * The input stream is checked to ensure that it supports marks, after which
 * a buffer is extracted, leaving the stream in its original state.
 */
public final Charset detectCharset(InputStream is) {
    // Only support marking streams
    if (!is.markSupported()) {
        throw new IllegalArgumentException(
                "The InputStream must support marks.  Wrap the stream in a BufferedInputStream.");
    }
    try {
        int bufferSize = getBufferSize();
        if (bufferSize < 0) {
            throw new RuntimeException("The required buffer size may not be negative: " + bufferSize);
        }
        // Mark the stream for just a few more than we actually will need
        is.mark(bufferSize);
        // Create a buffer to hold the data
        byte[] buffer = new byte[bufferSize];
        // Fill it
        int read = is.read(buffer);
        // Create an appropriately sized buffer
        if (read > -1 && read < buffer.length) {
            byte[] copyBuffer = new byte[read];
            System.arraycopy(buffer, 0, copyBuffer, 0, read);
            buffer = copyBuffer;
        }
        // Detect
        return detectCharset(buffer);
    } catch (IOException e) {
        // Attempt a reset
        throw new AlfrescoRuntimeException("IOException while attempting to detect charset encoding.", e);
    } finally {
        try {
            is.reset();
        } catch (Throwable ee) {
        }
    }
}

From source file:org.apache.tika.parser.wordperfect.WPInputStream.java

/**
 * Constructor.//from ww w  . ja v  a  2 s .c o m
 * @param in input stream
 */
public WPInputStream(InputStream in) {
    if (!in.markSupported()) {
        in = new BufferedInputStream(in);
    }
    this.in = new DataInputStream(in);
}

From source file:com.jaeksoft.searchlib.streamlimiter.StreamLimiter.java

public InputStream getNewInputStream() throws IOException {
    if (outputCache == null)
        loadOutputCache();/*  w w  w  .  ja v  a2s. co m*/
    if (outputCache == null)
        return null;
    InputStream inputStream = registerInputStream(outputCache.getNewInputStream());
    if (inputStream.markSupported())
        return inputStream;
    inputStream = registerInputStream(new BufferedInputStream(inputStream));
    return inputStream;
}