Example usage for org.apache.commons.io.input StringInputStream StringInputStream

Introduction

In this page you can find the example usage for org.apache.commons.io.input StringInputStream StringInputStream.

Prototype

public StringInputStream(String data) 

Source Link

Usage

From source file:org.lockss.util.TestStreamUtil.java

public void testCopyNullOutputStream() throws IOException {
    InputStream is = new StringInputStream("test string");
    assertEquals(0, StreamUtil.copy(is, null));
    is.close();/*from ww w  .ja v a 2 s  .c om*/
}

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From source file:org.lockss.util.TestStreamUtil.java

public void testCopyInputStream() throws IOException {
    InputStream is = new StringInputStream("test string");
    OutputStream baos = new ByteArrayOutputStream(11);
    StreamUtil.copy(is, baos);//from w w  w .j  a v a  2s.  com
    is.close();
    String resultStr = baos.toString();
    baos.close();
    assertTrue(resultStr.equals("test string"));
}

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From source file:org.lockss.util.TestStreamUtil.java

public void testCopyInputStreamReturnsCount() throws IOException {
    InputStream is = new StringInputStream("test string");
    OutputStream baos = new ByteArrayOutputStream(11);
    assertEquals(11, StreamUtil.copy(is, baos));
    is.close();//w ww .j a  v a2s .c  o  m
    baos.close();
}

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From source file:org.lockss.util.TestStreamUtil.java

public void testCopyInputStreamLength() throws IOException {
    InputStream is = new StringInputStream("012345678901234567890");
    OutputStream baos = new ByteArrayOutputStream(20);
    assertEquals(5, StreamUtil.copy(is, baos, 5));
    assertEquals("01234", baos.toString());
    assertEquals(5, StreamUtil.copy(is, baos, 5));
    assertEquals("0123456789", baos.toString());
    assertEquals(5, StreamUtil.copy(is, baos, 5));
    assertEquals("012345678901234", baos.toString());
    StreamUtil.copy(is, baos, 5);//from w w  w  . j  a  v a2s.  c om
    assertEquals("01234567890123456789", baos.toString());
    is.close();
    baos.close();

    is = new StringInputStream("01234567890123456789012345");
    baos = new ByteArrayOutputStream(2);
    assertEquals(2, StreamUtil.copy(is, baos, 2));
    assertEquals("01", baos.toString());
    baos = new ByteArrayOutputStream(5);
    assertEquals(5, StreamUtil.copy(is, baos, 5));
    assertEquals("23456", baos.toString());
    baos = new ByteArrayOutputStream(7);
    assertEquals(7, StreamUtil.copy(is, baos, 7));
    assertEquals("7890123", baos.toString());
    baos = new ByteArrayOutputStream(7);
    assertEquals(12, StreamUtil.copy(is, baos, -1));
    assertEquals("456789012345", baos.toString());
    is.close();
    baos.close();
}

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From source file:org.lockss.util.TestStreamUtil.java

public void testCopyExceptionWrapping() throws IOException {
    InputStream is;//from   w  w w .java 2 s  .co  m
    OutputStream os;

    is = new ThrowingInputStream(new StringInputStream("test string"), e1, null);
    os = new NullOutputStream();
    try {
        StreamUtil.copy(is, os, -1, null, false);
        fail("StreamUtil.copy(ThrowingInputStream) didn't throw on read");
    } catch (StreamUtil.InputException e) {
        fail("StreamUtil.copy(ThrowingInputStream) shouldn't have wrapped exception");
    } catch (IOException e) {
        assertSame(e1, e);
    }
    is = new ThrowingInputStream(new StringInputStream("test string"), e1, null);
    try {
        StreamUtil.copy(is, os, -1, null, true);
        fail("StreamUtil.copy(ThrowingInputStream) didn't throw on read");
    } catch (StreamUtil.InputException e) {
        assertSame(e1, e.getCause());
    }
    is = new StringInputStream("test string");
    os = new ThrowingOutputStream(new NullOutputStream(), e2, null);
    try {
        StreamUtil.copy(is, os, -1, null, false);
        fail("StreamUtil.copy(ThrowingOutputStream) didn't throw on write");
    } catch (StreamUtil.OutputException e) {
        fail("StreamUtil.copy(ThrowingOutputStream) shouldn't have wrapped exception");
    } catch (IOException e) {
        assertSame(e2, e);
    }
    is = new StringInputStream("test string");
    os = new ThrowingOutputStream(new NullOutputStream(), e2, null);
    try {
        StreamUtil.copy(is, os, -1, null, true);
        fail("StreamUtil.copy(ThrowingOutputStream) didn't throw on write");
    } catch (StreamUtil.OutputException e) {
        assertSame(e2, e.getCause());
    }
}

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From source file:org.lockss.util.TestStreamUtil.java

public void testReadBuf() throws IOException {
    int len = 12;
    byte[] buf = new byte[len];
    InputStream ins = new StringInputStream("01\0003456789abcdefghijklmnopq");
    StreamUtil.readBytes(ins, buf, len);
    byte[] exp = { '0', '1', 0, '3', '4', '5', '6', '7', '8', '9', 'a', 'b' };
    assertEquals(exp, buf);/*from   w w w.j  a  va2s . c o  m*/
}

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From source file:org.lockss.util.TestStreamUtil.java

public void testCompareStreams() throws IOException {
    String s1 = "01\0003456789abcdefghijklmnopq";
    assertTrue(StreamUtil.compare(new StringInputStream(""), new StringInputStream("")));
    assertTrue(StreamUtil.compare(new StringInputStream(s1), new StringInputStream(s1)));
    assertFalse(StreamUtil.compare(new StringInputStream(s1), new StringInputStream("")));
    assertFalse(StreamUtil.compare(new StringInputStream(""), new StringInputStream(s1)));
    assertFalse(StreamUtil.compare(new StringInputStream(s1), new StringInputStream(s1 + "a")));
    assertFalse(StreamUtil.compare(new StringInputStream(s1 + "a"), new StringInputStream(s1)));
    assertFalse(StreamUtil.compare(new StringInputStream("foo"), new StringInputStream("bar")));
}

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From source file:org.lockss.util.TestStreamUtil.java

public void testGetUncompressedInputStreamDeflate() throws IOException {
    // Currently InflaterInputStream constructor doesn't care what it gets.
    // If that changes this will have to create a deflated stream.
    InputStream dfin = new StringInputStream("foo");
    assertClass(InflaterInputStream.class, StreamUtil.getUncompressedInputStream(dfin, "deflate"));
    assertClass(InflaterInputStream.class, StreamUtil.getUncompressedInputStream(dfin, "Deflate"));
}

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From source file:org.lockss.util.TestStreamUtil.java

public void testGetUncompressedInputStreamIdentity() throws IOException {
    InputStream in = new StringInputStream("foo");
    assertSame(in, StreamUtil.getUncompressedInputStream(in, "identity"));
    assertSame(in, StreamUtil.getUncompressedInputStream(in, "IDENTITY"));
    assertSame(in, StreamUtil.getUncompressedInputStream(in, null));
    assertSame(in, StreamUtil.getUncompressedInputStream(in, ""));
}

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From source file:org.lockss.util.TestStreamUtil.java

public void testGetReader() {
    InputStream in = new StringInputStream("123");
    InputStreamReader rdr;/*w  ww  .j a  v a 2s .  co  m*/
    Charset def = Charset.forName(Constants.DEFAULT_ENCODING);
    Charset utf = Charset.forName("UTF-8");
    rdr = (InputStreamReader) StreamUtil.getReader(in, null);
    assertTrue(def.aliases().contains(rdr.getEncoding()));
    rdr = (InputStreamReader) StreamUtil.getReader(in, "ISO-8859-1");
    assertTrue(def.aliases().contains(rdr.getEncoding()));
    rdr = (InputStreamReader) StreamUtil.getReader(in, "utf-8");
    assertTrue(utf.aliases().contains(rdr.getEncoding()));
    rdr = (InputStreamReader) StreamUtil.getReader(in, "NoSuchCharset");
    assertTrue(def.aliases().contains(rdr.getEncoding()));
}

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