Examples with UnsynchronizedByteArrayInputStream org.apache.commons.io.input.UnsynchronizedByteArrayInputStream used on opensource projects

Example 66 with UnsynchronizedByteArrayInputStream

use of org.apache.commons.io.input.UnsynchronizedByteArrayInputStream in project exist by eXist-db.

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method readBytes_withZeroOffset_partFromCache.

@Test
public void readBytes_withZeroOffset_partFromCache() throws IOException, InstantiationException, IllegalAccessException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    final String testString = "helloWorld";
    final byte[] testData = testString.getBytes();
    final InputStream is = new UnsynchronizedByteArrayInputStream(testData);
    final CachingFilterInputStream cfis = new CachingFilterInputStream(getNewCache(is));
    // mark the position
    cfis.mark(Integer.MAX_VALUE);
    // read the first 5 byts data
    byte[] result = new byte[5];
    int read = cfis.read(result, 0, result.length);
    assertEquals(5, read);
    assertArrayEquals(subArray(testData, 5), result);
    // reset position to the mark
    cfis.reset();
    // attempt to read all the data (first 5 bytes will be from the cache)
    result = new byte[testData.length];
    read = cfis.read(result, 0, result.length);
    assertEquals(testData.length, read);
    assertArrayEquals(testData, result);
}

Example 67 with UnsynchronizedByteArrayInputStream

use of org.apache.commons.io.input.UnsynchronizedByteArrayInputStream in project exist by eXist-db.

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method available_onCachedStream.

@Test
public void available_onCachedStream() throws IOException, InstantiationException, IllegalAccessException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    final String testString = "helloWorld";
    final byte[] testData = testString.getBytes();
    final InputStream is = new UnsynchronizedByteArrayInputStream(testData);
    final CachingFilterInputStream cfis = new CachingFilterInputStream(getNewCache(is));
    // mark for later reset
    cfis.mark(Integer.MAX_VALUE);
    for (int i = 0; i < testData.length; i++) {
        cfis.read();
    }
    // return to the start of the stream
    cfis.reset();
    assertEquals(testData.length, cfis.available());
}

Example 68 with UnsynchronizedByteArrayInputStream

use of org.apache.commons.io.input.UnsynchronizedByteArrayInputStream in project exist by eXist-db.

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method readBytes_allFromCache.

@Test
public void readBytes_allFromCache() throws IOException, InstantiationException, IllegalAccessException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    final String testString = "hello";
    final byte[] testData = testString.getBytes();
    final InputStream is = new UnsynchronizedByteArrayInputStream(testData);
    final CachingFilterInputStream cfis = new CachingFilterInputStream(getNewCache(is));
    // mark the position
    cfis.mark(Integer.MAX_VALUE);
    // read the data
    byte[] result = new byte[testData.length];
    int read = cfis.read(result);
    assertEquals(testData.length, read);
    assertArrayEquals(testData, result);
    // reset position to the mark
    cfis.reset();
    // attempt to reread the data (from the cache)
    result = new byte[testData.length];
    read = cfis.read(result);
    assertEquals(testData.length, read);
    assertArrayEquals(testData, result);
}

Example 69 with UnsynchronizedByteArrayInputStream

use of org.apache.commons.io.input.UnsynchronizedByteArrayInputStream in project exist by eXist-db.

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method skip_partFromCache.

@Test
public void skip_partFromCache() throws IOException, InstantiationException, IllegalAccessException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    final String testString = "helloWorld";
    final byte[] testData = testString.getBytes();
    final InputStream is = new UnsynchronizedByteArrayInputStream(testData);
    final CachingFilterInputStream cfis = new CachingFilterInputStream(getNewCache(is));
    // read the first 2 bytes
    assertEquals(testData[0], cfis.read());
    assertEquals(testData[1], cfis.read());
    // skip 2 bytes
    cfis.skip(2);
    cfis.mark(Integer.MAX_VALUE);
    // read byte 5
    assertEquals(testData[4], cfis.read());
    // skip 2 bytes
    cfis.skip(2);
    // read bytes 6 to 7 inclusive
    assertEquals(testData[7], cfis.read());
    assertEquals(testData[8], cfis.read());
    cfis.reset();
    // reread bytes 5 to 7 inclusive
    assertEquals(testData[4], cfis.read());
    assertEquals(testData[5], cfis.read());
    assertEquals(testData[6], cfis.read());
    assertEquals(testData[7], cfis.read());
    assertEquals(testData[8], cfis.read());
    // read final byte (outside cache)
    assertEquals(testData[9], cfis.read());
}

Example 70 with UnsynchronizedByteArrayInputStream

use of org.apache.commons.io.input.UnsynchronizedByteArrayInputStream in project exist by eXist-db.

the class CachingFilterInputStreamTest_NonMarkableByteArrayInputStream method constructed_from_CachingFilterInputStream.

@Test
public void constructed_from_CachingFilterInputStream() throws IOException, InstantiationException, IllegalAccessException, NoSuchMethodException, IllegalArgumentException, InvocationTargetException {
    final byte[] testData = generateRandomData(_12KB);
    final InputStream is = new UnsynchronizedByteArrayInputStream(testData);
    // first CachingFilterInputStream
    final CachingFilterInputStream cfis1 = new CachingFilterInputStream(getNewCache(is));
    // second CachingFilterInputStream wraps first CachingFilterInputStream
    final CachingFilterInputStream cfis2 = new CachingFilterInputStream(cfis1);
    assertArrayEquals(testData, consumeInputStream(cfis2));
}