Examples of java.io.Reader.ready()

java.io.Reader.ready()
Answers a boolean indicating whether or not this Reader is ready to be read without blocking. If the result is true, the next read() will not block. If the result is false this Reader may or may not block when read() is sent. @return true if the receiver will not block whenread() is called, false if unknown or blocking will occur. @throws IOException If the Reader is already closed or some other IO error occurs.

        String content = null;
        try
        {
            reader = new BufferedReader(new InputStreamReader(aDataSource
                    .getInputStream(), encoding), 2048);
            while (reader.ready())
                writer.write(reader.read());
            writer.flush();
            content = writer.toString();
        }
        catch (IllegalArgumentException e)

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        String content = null;
        try
        {
            reader = new BufferedReader(new InputStreamReader(aDataSource
                    .getInputStream(), encoding), 2048);
            while (reader.ready())
                writer.write(reader.read());
            writer.flush();
            content = writer.toString();
        }
        catch (IllegalArgumentException e)

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                            } else {
                              exp.append("{'");
                              Reader reader = new BufferedReader(new FileReader(expectedResult));
                              char ch;
                              try {
                                  while (reader.ready()) {
                                      ch = (char)reader.read();
                                      if (ch == '\r')
                                          ch = (char)reader.read();
                                      exp.append(String.valueOf(ch)); 
                                  }

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    // -----------------------------------------------------------------------
    public void testAsReader() throws Exception {
        StrBuilder sb = new StrBuilder("some text");
        Reader reader = sb.asReader();
        assertEquals(true, reader.ready());
        char[] buf = new char[40];
        assertEquals(9, reader.read(buf));
        assertEquals("some text", new String(buf, 0, 9));
        
        assertEquals(-1, reader.read());

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        char[] buf = new char[40];
        assertEquals(9, reader.read(buf));
        assertEquals("some text", new String(buf, 0, 9));
        
        assertEquals(-1, reader.read());
        assertEquals(false, reader.ready());
        assertEquals(0, reader.skip(2));
        assertEquals(0, reader.skip(-1));
        
        assertEquals(true, reader.markSupported());
        reader = sb.asReader();

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        assertEquals('o', array[1]);
        assertEquals('e', array[2]);
        assertEquals(2, reader.skip(2));
        assertEquals(' ', reader.read());
        
        assertEquals(true, reader.ready());
        reader.close();
        assertEquals(true, reader.ready());
        
        reader = sb.asReader();
        array = new char[3];

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        assertEquals(2, reader.skip(2));
        assertEquals(' ', reader.read());
        
        assertEquals(true, reader.ready());
        reader.close();
        assertEquals(true, reader.ready());
        
        reader = sb.asReader();
        array = new char[3];
        try {
            reader.read(array, -1, 0);

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            Reader r = pop.retrieveMessage(1);
            assertEquals(POP3.TRANSACTION_STATE, pop.getState());


            //Add some sleep here to handle network latency
            while(!r.ready())
            {
                Thread.sleep(10);
            }
            r.close();
            r = null;

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            r = pop.retrieveMessageTop(1, 10);
            assertEquals(POP3.TRANSACTION_STATE, pop.getState());


            //Add some sleep here to handle network latency
            while(!r.ready())
            {
                Thread.sleep(10);
            }
            r.close();
            r = null;

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            reportedSize = msg[i - 1].size;
            Reader r = p.retrieveMessage(i);
            assertNotNull(r);


            int delaycount = 0;
            if (!r.ready())
            {
                //Give the reader time to get the message
                //from the server
                Thread.sleep(500);
                delaycount++;

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