Examples of java.util.zip.DeflaterInputStream

java.util.zip.DeflaterInputStream
Implements an input stream filter for compressing data in the "deflate" compression format. @version 1.1 @since 1.6 @author David R Tribble (david@tribble.com) @see DeflaterOutputStream @see InflaterOutputStream @see InflaterInputStream

    /**
     * @tests DeflaterInputStream#DeflaterInputStream(InputStream,Deflater)
     */
    public void testDeflaterInputStreamInputStreamDeflater() {
        // ok
        new DeflaterInputStream(is, new Deflater());
        // fail
        try {
            new DeflaterInputStream(is, null);
            fail("should throw NullPointerException");
        } catch (NullPointerException e) {
            // expected
        }
        try {
            new DeflaterInputStream(null, new Deflater());
            fail("should throw NullPointerException");
        } catch (NullPointerException e) {
            // expected
        }
    }

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    /**
     * @tests DeflaterInputStream#DeflaterInputStream(InputStream,Deflater,int)
     */
    public void testDeflaterInputStreamInputStreamDeflaterInt() {
        // ok
        new DeflaterInputStream(is, new Deflater(), 1024);
        // fail
        try {
            new DeflaterInputStream(is, null, 1024);
            fail("should throw NullPointerException");
        } catch (NullPointerException e) {
            // expected
        }
        try {
            new DeflaterInputStream(null, new Deflater(), 1024);
            fail("should throw NullPointerException");
        } catch (NullPointerException e) {
            // expected
        }
        try {
            new DeflaterInputStream(is, new Deflater(), -1);
            fail("should throw IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            // expected
        }
        try {
            new DeflaterInputStream(null, new Deflater(), -1);
            fail("should throw NullPointerException");
        } catch (NullPointerException e) {
            // expected
        }
        try {
            new DeflaterInputStream(is, null, -1);
            fail("should throw NullPointerException");
        } catch (NullPointerException e) {
            // expected
        }
    }

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              }
              else if (contentEnc.equalsIgnoreCase("deflate"))
              {
                if (!(in instanceof DeflaterInputStream))
                {
                  in = new DeflaterInputStream(in);
                }
              }
            }
            
            if ( false )

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              }
              else if (contentEnc.equalsIgnoreCase("deflate"))
              {
                if (!(in instanceof DeflaterInputStream))
                {
                  in = new DeflaterInputStream(in);
                }
              }
            }
            
            if ( false )

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              }
              else if (contentEnc.equalsIgnoreCase("deflate"))
              {
                if (!(in instanceof DeflaterInputStream))
                {
                  in = new DeflaterInputStream(in);
                }
              }
            }
            
            if ( false )

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        return new Deflater(_deflateCompressionLevel, _deflateNoWrap);
    }


    private ServletRequest wrapDeflatedRequest(HttpServletRequest request) throws IOException {
        final Deflater deflater = buildDeflater();
        final DeflaterInputStream input = new DeflaterInputStream(request.getInputStream(), deflater, _bufferSize) {
            @Override
            public void close() throws IOException {
                deflater.reset();
                localDeflater.set(deflater);
                super.close();

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              }
              else if (contentEnc.equalsIgnoreCase("deflate"))
              {
                if (!(in instanceof DeflaterInputStream))
                {
                  in = new DeflaterInputStream(in);
                }
              }
            }
            
            if ( false )

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    /**
     * @tests DeflaterInputStream#available()
     */
    public void testAvailable() throws IOException {
        byte[] buf = new byte[1024];
        DeflaterInputStream dis = new DeflaterInputStream(is);
        assertEquals(1, dis.available());
        assertEquals(120, dis.read());
        assertEquals(1, dis.available());
        assertEquals(22, dis.read(buf, 0, 1024));
        assertEquals(1, dis.available());
        assertEquals(-1, dis.read());
        assertEquals(0, dis.available());
        dis.close();
        try {
            dis.available();
            fail("should throw IOException");
        } catch (IOException e) {
            // expected
        }
    }

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    /**
     * @tests DeflaterInputStream#close()
     */
    public void testClose() throws IOException {
        byte[] buf = new byte[1024];
        DeflaterInputStream dis = new DeflaterInputStream(is);
        assertEquals(1, dis.available());
        dis.close();
        try {
            dis.available();
            fail("should throw IOException");
        } catch (IOException e) {
            // expected
        }
        try {
            dis.read(buf, 0, 1024);
            fail("should throw IOException");
        } catch (IOException e) {
            // expected
        }
        // can close after close
        dis.close();
    }

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    /**
     * @tests DeflaterInputStream#mark()
     */
    public void testMark() throws IOException {
        // mark do nothing
        DeflaterInputStream dis = new DeflaterInputStream(is);
        dis.mark(-1);
        dis.mark(0);
        dis.mark(1);
        dis.close();
        dis.mark(1);
    }

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