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

Example 71 with SequenceInputStream

use of java.io.SequenceInputStream in project jdk8u_jdk by JetBrains.

the class LotsOfStreams method main.

public static void main(String[] argv) throws Exception {
    try (InputStream stream = new SequenceInputStream(new LOSEnumeration())) {
        stream.read();
    }
    try (InputStream stream = new SequenceInputStream(new LOSEnumeration())) {
        byte[] b = new byte[1];
        stream.read(b, 0, 1);
    }
}

Example 72 with SequenceInputStream

use of java.io.SequenceInputStream in project jdk8u_jdk by JetBrains.

the class GZIPInputStream method readTrailer.

/*
     * Reads GZIP member trailer and returns true if the eos
     * reached, false if there are more (concatenated gzip
     * data set)
     */
private boolean readTrailer() throws IOException {
    InputStream in = this.in;
    int n = inf.getRemaining();
    if (n > 0) {
        in = new SequenceInputStream(new ByteArrayInputStream(buf, len - n, n), new FilterInputStream(in) {

            public void close() throws IOException {
            }
        });
    }
    // Uses left-to-right evaluation order
    if ((readUInt(in) != crc.getValue()) || // rfc1952; ISIZE is the input size modulo 2^32
    (readUInt(in) != (inf.getBytesWritten() & 0xffffffffL)))
        throw new ZipException("Corrupt GZIP trailer");
    // try concatenated case
    if (this.in.available() > 0 || n > 26) {
        // this.trailer
        int m = 8;
        try {
            // next.header
            m += readHeader(in);
        } catch (IOException ze) {
            // ignore any malformed, do nothing
            return true;
        }
        inf.reset();
        if (n > m)
            inf.setInput(buf, len - n + m, n - m);
        return false;
    }
    return true;
}

Example 73 with SequenceInputStream

use of java.io.SequenceInputStream in project jdk8u_jdk by JetBrains.

the class StandardMidiFileWriter method writeTrack.

private InputStream writeTrack(Track track, int type) throws IOException, InvalidMidiDataException {
    int bytesWritten = 0;
    int lastBytesWritten = 0;
    int size = track.size();
    PipedOutputStream thpos = new PipedOutputStream();
    DataOutputStream thdos = new DataOutputStream(thpos);
    PipedInputStream thpis = new PipedInputStream(thpos);
    ByteArrayOutputStream tdbos = new ByteArrayOutputStream();
    tddos = new DataOutputStream(tdbos);
    ByteArrayInputStream tdbis = null;
    SequenceInputStream fStream = null;
    long currentTick = 0;
    long deltaTick = 0;
    long eventTick = 0;
    int runningStatus = -1;
    // -----------------------------
    for (int i = 0; i < size; i++) {
        MidiEvent event = track.get(i);
        int status;
        int eventtype;
        int metatype;
        int data1, data2;
        int length;
        byte[] data = null;
        ShortMessage shortMessage = null;
        MetaMessage metaMessage = null;
        SysexMessage sysexMessage = null;
        // get the tick
        // $$jb: this gets easier if we change all system-wide time to delta ticks
        eventTick = event.getTick();
        deltaTick = event.getTick() - currentTick;
        currentTick = event.getTick();
        // get the status byte
        status = event.getMessage().getStatus();
        eventtype = getType(status);
        switch(eventtype) {
            case ONE_BYTE:
                shortMessage = (ShortMessage) event.getMessage();
                data1 = shortMessage.getData1();
                bytesWritten += writeVarInt(deltaTick);
                if (status != runningStatus) {
                    runningStatus = status;
                    tddos.writeByte(status);
                    bytesWritten += 1;
                }
                tddos.writeByte(data1);
                bytesWritten += 1;
                break;
            case TWO_BYTE:
                shortMessage = (ShortMessage) event.getMessage();
                data1 = shortMessage.getData1();
                data2 = shortMessage.getData2();
                bytesWritten += writeVarInt(deltaTick);
                if (status != runningStatus) {
                    runningStatus = status;
                    tddos.writeByte(status);
                    bytesWritten += 1;
                }
                tddos.writeByte(data1);
                bytesWritten += 1;
                tddos.writeByte(data2);
                bytesWritten += 1;
                break;
            case SYSEX:
                sysexMessage = (SysexMessage) event.getMessage();
                length = sysexMessage.getLength();
                data = sysexMessage.getMessage();
                bytesWritten += writeVarInt(deltaTick);
                // $$jb: 04.08.99: always write status for sysex
                runningStatus = status;
                tddos.writeByte(data[0]);
                bytesWritten += 1;
                // $$jb: 10.18.99: we don't maintain length in
                // the message data for SysEx (it is not transmitted
                // over the line), so write the calculated length
                // minus the status byte
                bytesWritten += writeVarInt((data.length - 1));
                // $$jb: 10.18.99: now write the rest of the
                // message
                tddos.write(data, 1, (data.length - 1));
                bytesWritten += (data.length - 1);
                break;
            case META:
                metaMessage = (MetaMessage) event.getMessage();
                length = metaMessage.getLength();
                data = metaMessage.getMessage();
                bytesWritten += writeVarInt(deltaTick);
                // $$jb: 10.18.99: getMessage() returns the
                // entire valid midi message for a file,
                // including the status byte and the var-length-int
                // length value, so we can just write the data
                // here.  note that we must _always_ write the
                // status byte, regardless of runningStatus.
                runningStatus = status;
                tddos.write(data, 0, data.length);
                bytesWritten += data.length;
                break;
            case IGNORE:
                // ignore this event
                break;
            case ERROR:
                // ignore this event
                break;
            default:
                throw new InvalidMidiDataException("internal file writer error");
        }
    }
    // ---------------------------------
    // End write each event in the track
    // ---------------------------------
    // Build Track header now that we know length
    thdos.writeInt(MTrk_MAGIC);
    thdos.writeInt(bytesWritten);
    bytesWritten += 8;
    // Now sequence them
    tdbis = new ByteArrayInputStream(tdbos.toByteArray());
    fStream = new SequenceInputStream(thpis, tdbis);
    thdos.close();
    tddos.close();
    return fStream;
}

Example 74 with SequenceInputStream

use of java.io.SequenceInputStream in project webservices-axiom by apache.

the class TestGetTextAsStreamWithoutCaching method runTest.

@Override
protected void runTest() throws Throwable {
    Charset charset = Charset.forName("ascii");
    OMFactory factory = metaFactory.getOMFactory();
    DataSource ds = new RandomDataSource(654321, 64, 128, 20000000);
    Vector<InputStream> v = new Vector<InputStream>();
    v.add(new ByteArrayInputStream("<root><a>".getBytes(charset)));
    v.add(ds.getInputStream());
    v.add(new ByteArrayInputStream("</a><b/></root>".getBytes(charset)));
    OMElement root = OMXMLBuilderFactory.createOMBuilder(factory, StAXParserConfiguration.NON_COALESCING, new SequenceInputStream(v.elements()), "ascii").getDocumentElement();
    OMElement child = (OMElement) root.getFirstOMChild();
    Reader in = child.getTextAsStream(false);
    IOTestUtils.compareStreams(new InputStreamReader(ds.getInputStream(), charset), "expected", in, "actual");
    in.close();
    // No try to access subsequent nodes
    child = (OMElement) child.getNextOMSibling();
    assertThat(child.getLocalName()).isEqualTo("b");
}

Example 75 with SequenceInputStream

use of java.io.SequenceInputStream in project checker-framework by typetools.

the class GZIPInputStream method readTrailer.

/*
     * Reads GZIP member trailer and returns true if the eos
     * reached, false if there are more (concatenated gzip
     * data set)
     */
private boolean readTrailer() throws IOException {
    InputStream in = this.in;
    int n = inf.getRemaining();
    if (n > 0) {
        in = new SequenceInputStream(new ByteArrayInputStream(buf, len - n, n), in);
    }
    // Uses left-to-right evaluation order
    if ((readUInt(in) != crc.getValue()) || // rfc1952; ISIZE is the input size modulo 2^32
    (readUInt(in) != (inf.getBytesWritten() & 0xffffffffL)))
        throw new ZipException("Corrupt GZIP trailer");
    // try concatenated case
    if (this.in.available() > 0 || n > 26) {
        // this.trailer
        int m = 8;
        try {
            // next.header
            m += readHeader(in);
        } catch (IOException ze) {
            // ignore any malformed, do nothing
            return true;
        }
        inf.reset();
        if (n > m)
            inf.setInput(buf, len - n + m, n - m);
        return false;
    }
    return true;
}