Examples with InflaterInputStream java.util.zip.InflaterInputStream used on opensource projects

Example 71 with InflaterInputStream

use of java.util.zip.InflaterInputStream in project j2objc by google.

the class InflaterInputStreamTest method test_skipJ2.

/**
 * java.util.zip.InflaterInputStream#skip(long)
 */
public void test_skipJ2() throws IOException {
    int result = 0;
    int[] buffer = new int[100];
    byte[] orgBuffer = { 1, 3, 4, 7, 8 };
    // testing for negative input to skip
    InputStream infile = Support_Resources.getStream("hyts_construOD.bin");
    Inflater inflate = new Inflater();
    InflaterInputStream inflatIP = new InflaterInputStream(infile, inflate, 10);
    long skip;
    try {
        skip = inflatIP.skip(Integer.MIN_VALUE);
        fail("Expected IllegalArgumentException when skip() is called with negative parameter");
    } catch (IllegalArgumentException e) {
    // Expected
    }
    inflatIP.close();
    // testing for number of bytes greater than input.
    InputStream infile2 = Support_Resources.getStream("hyts_construOD.bin");
    try (InflaterInputStream inflatIP2 = new InflaterInputStream(infile2)) {
        // looked at how many bytes the skip skipped. It is
        // 5 and its supposed to be the entire input stream.
        skip = inflatIP2.skip(Integer.MAX_VALUE);
        // System.out.println(skip);
        assertEquals("method skip() returned wrong number of bytes skipped", 5, skip);
        inflatIP2.close();
    }
    // test for skipping of 2 bytes
    InputStream infile3 = Support_Resources.getStream("hyts_construOD.bin");
    try (InflaterInputStream inflatIP3 = new InflaterInputStream(infile3)) {
        skip = inflatIP3.skip(2);
        assertEquals("the number of bytes returned by skip did not correspond with its input parameters", 2, skip);
        int i = 0;
        result = 0;
        while ((result = inflatIP3.read()) != -1) {
            buffer[i] = result;
            i++;
        }
    }
    for (int j = 2; j < orgBuffer.length; j++) {
        assertEquals("original compressed data did not equal decompressed data", orgBuffer[j], buffer[j - 2]);
    }
}

Example 72 with InflaterInputStream

use of java.util.zip.InflaterInputStream in project j2objc by google.

the class InflaterInputStreamTest method test_read_LBII.

/**
 * java.util.zip.InflaterInputStream#read(byte [], int, int)
 */
public void test_read_LBII() throws IOException {
    int result = 0;
    InputStream infile = Support_Resources.getStream("hyts_construOD.bin");
    Inflater inflate = new Inflater();
    InflaterInputStream inflatIP = new InflaterInputStream(infile, inflate);
    byte[] b = new byte[3];
    try {
        result = inflatIP.read(null, 0, 1);
        fail("NullPointerException expected");
    } catch (NullPointerException npe) {
    // expected
    }
    assertEquals(0, inflatIP.read(b, 0, 0));
    try {
        // offset higher
        result = inflatIP.read(b, 5, 2);
        fail("IndexOutOfBoundsException expected");
    } catch (IndexOutOfBoundsException iobe) {
    // expected
    }
    inflatIP.close();
    try {
        // read after close
        inflatIP.read(b, 0, 1);
        fail("IOException expected");
    } catch (IOException ioe) {
    // expected
    }
}

Example 73 with InflaterInputStream

use of java.util.zip.InflaterInputStream in project j2objc by google.

the class FilterInputStreamNullSourceTest method testInflaterInputStream.

public void testInflaterInputStream() throws IOException {
    try {
        new InflaterInputStream(null);
        fail();
    } catch (NullPointerException expected) {
    }
    try {
        new InflaterInputStream(null, new Inflater());
        fail();
    } catch (NullPointerException expected) {
    }
    try {
        new InflaterInputStream(null, new Inflater(), 1024);
        fail();
    } catch (NullPointerException expected) {
    }
}

Example 74 with InflaterInputStream

use of java.util.zip.InflaterInputStream in project j2objc by google.

the class DeflaterInputStreamTest method inflate.

public byte[] inflate(byte[] bytes) throws IOException {
    try (InputStream in = new InflaterInputStream(new ByteArrayInputStream(bytes))) {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        byte[] buffer = new byte[1024];
        int count;
        while ((count = in.read(buffer)) != -1) {
            out.write(buffer, 0, count);
        }
        return out.toByteArray();
    }
}

Example 75 with InflaterInputStream

use of java.util.zip.InflaterInputStream in project phonegap-facebook-plugin by Wizcorp.

the class SpdyReader method newNameValueBlockStream.

private DataInputStream newNameValueBlockStream() {
    // Limit the inflater input stream to only those bytes in the Name/Value block.
    final InputStream throttleStream = new InputStream() {

        @Override
        public int read() throws IOException {
            return Util.readSingleByte(this);
        }

        @Override
        public int read(byte[] buffer, int offset, int byteCount) throws IOException {
            byteCount = Math.min(byteCount, compressedLimit);
            int consumed = in.read(buffer, offset, byteCount);
            compressedLimit -= consumed;
            return consumed;
        }

        @Override
        public void close() throws IOException {
            in.close();
        }
    };
    // Subclass inflater to install a dictionary when it's needed.
    Inflater inflater = new Inflater() {

        @Override
        public int inflate(byte[] buffer, int offset, int count) throws DataFormatException {
            int result = super.inflate(buffer, offset, count);
            if (result == 0 && needsDictionary()) {
                setDictionary(DICTIONARY);
                result = super.inflate(buffer, offset, count);
            }
            return result;
        }
    };
    return new DataInputStream(new InflaterInputStream(throttleStream, inflater));
}