Examples of java.io.InputStream.available()

java.io.InputStream.available()
Answers a int representing then number of bytes that are available before this InputStream will block. This method always returns 0. Subclasses should override and indicate the correct number of bytes available. @return the number of bytes available before blocking. @throws IOException If an error occurs in this InputStream.

        } else {
            is = p.getInputStream();
            success = true;
        }


        byte[] b = new byte[is.available()];
        is.read(b);
        String s = new String(b);
        if (s.equals("")) {
            success = false;
        }

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                response.setHeader("Pragma", "public");
                response.setDateHeader("Last-Modified", lastModified);
                response.setHeader("Cache-Control", "PUBLIC, max-age=" + seconds + ", must-revalidate");
                response.setHeader("Expires", httpDateFormat.format(calendar.getTime()));
                if (request.getDateHeader("If-Modified-Since") > -1) response.sendError(HttpServletResponse.SC_NOT_MODIFIED);
                else if ((in != null) && (in.available() > 0)) send(in, mimeType, response.getOutputStream(), width, height);
            }
            response.getOutputStream().close();
        }
    }

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            InputStream in = oUrl.openStream();


            int size = 10;
            byte[] tmp = new byte[size];
            ByteArrayOutputStream bo = new ByteArrayOutputStream(size);
            while (in.available() > 0) {
               int length = in.read(tmp);
               if (length > 0)
                  bo.write(tmp, 0, length);
            }
            in.close();

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        int i = 1;
        stmt.setString(i++, sid.getValue());
        stmt.setBigDecimal(i++, new BigDecimal(msg.getMessageNr())); 
        InputStream is = msg.getContextAsStream();
        stmt.setBinaryStream(i++, is, is.available()); 
        stmt.execute();
    }
    
    protected void updateSourceSequence(RMSourceSequence seq) 
        throws SQLException {

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        }
        BigInteger lastMessageNr = seq.getLastMessageNr();
        updateDestSequenceStmt.setBigDecimal(1, lastMessageNr == null ? null
            : new BigDecimal(lastMessageNr)); 
        InputStream is = seq.getAcknowledgmentAsStream();
        updateDestSequenceStmt.setBinaryStream(2, is, is.available()); 
        updateDestSequenceStmt.setString(3, seq.getIdentifier() .getValue());
        updateDestSequenceStmt.execute();
    }
    
    protected void createTables() throws SQLException {

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        WebConversation wc = new WebConversation();
        WebRequest wreq = new GetMethodWebRequest(
                "http://localhost:10003/examples/CountRequestsServlet");
        WebResponse wresp = wc.getResponse(wreq);
        InputStream content = wresp.getInputStream();
        assertTrue("Loading CountRequestsServlet", content.available() > 0);
        content.close();
        winstone.shutdown();
        Thread.sleep(500);
    }

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        // Thread.sleep(2000);
        // WebResponse wresp2 = wc.getResponse(wreq);
        // Thread.sleep(2000);
        //WebResponse wresp3 = wc.getResponse(wreq);
        InputStream content = wresp1.getInputStream();
        assertTrue("Loading CountRequestsServlet + child images", content
                .available() > 0);
        content.close();
        winstone.shutdown();
        Thread.sleep(500);
    }

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        assertNull(restoredMsg.getSOAPHeader());
        
        InputStream is2 = pu.getContextAsInputStream(restored);
        is.reset();
        is2.reset();        
        assertEquals(is.available(), is2.available());
    }
        
}

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        br = rbc.getBufferedErrorReader();      
        assertNotNull(br);
        assertNull(br.readLine());
        br.close();
        InputStream is = rbc.getOutput();
        assertEquals(0, is.available());
        is.close();
        is = rbc.getError();
        assertEquals(0, is.available());
        is.close();
    }

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        br.close();
        InputStream is = rbc.getOutput();
        assertEquals(0, is.available());
        is.close();
        is = rbc.getError();
        assertEquals(0, is.available());
        is.close();
    }
    
    public void testStreamsNotEmpty() throws IOException {
        URL url = TestCommand.class.getResource("TestCommand.class");

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