Examples of java.io.Reader.reset()

java.io.Reader.reset()
Reset this Readers position to the last mark() location. Invocations of read()/skip() will occur from this new location. If this Reader was not marked, the implementation of reset() is implementation specific. See the comment for the specific Reader subclass for implementation details. The default action is to throw IOException. @throws IOException If a problem occured or the receiver does not support mark()/reset().

                        caw.append((char)c);
                    }
                } catch (IOException ignored) {
                }
                caw.close();
                try{ rdr.reset();} catch(IOException ignored) {}
                ret = new StreamSource(new CharArrayReader(caw.toCharArray()));
            } else {
                ret = new StreamSource();
            }
        }

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        chars)), 12);


    in.skip(6);
    in.mark(14);
    in.read(new char[14], 0, 14);
    in.reset();
    assertTrue("Wrong chars", in.read() == (char) 6
        && in.read() == (char) 7);


    in = new BufferedReader(new Support_StringReader(new String(chars)), 12);
    in.skip(6);

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    in = new BufferedReader(new Support_StringReader(new String(chars)), 12);
    in.skip(6);
    in.mark(8);
    in.skip(7);
    in.reset();
    assertTrue("Wrong chars 2", in.read() == (char) 6
        && in.read() == (char) 7);
    
        BufferedReader br = new BufferedReader(new StringReader("01234"), 2);
        br.mark(3);

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            Reader mr = reader.markSupported() ? reader : new BufferedReader(reader);
            mr.mark(1);
            if (mr.read() == -1) {
                throw new XMLStreamException("JSON expression can not be empty!");
            }
            mr.reset();
            return mr;
        } catch (IOException ex) {
            throw new XMLStreamException(ex);
        }
    }

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        char[] array = new char[3];
        assertEquals(3, reader.read(array, 0, 3));
        assertEquals('o', array[0]);
        assertEquals('m', array[1]);
        assertEquals('e', array[2]);
        reader.reset();
        assertEquals(1, reader.read(array, 1, 1));
        assertEquals('o', array[0]);
        assertEquals('o', array[1]);
        assertEquals('e', array[2]);
        assertEquals(2, reader.skip(2));

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        assertEquals(0, array[2]);
        
        reader.skip(9);
        assertEquals(-1, reader.read(array, 0, 1));
        
        reader.reset();
        array = new char[30];
        assertEquals(9, reader.read(array, 0, 30));
    }


    //-----------------------------------------------------------------------

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        char[] array = new char[3];
        assertEquals(3, reader.read(array, 0, 3));
        assertEquals('o', array[0]);
        assertEquals('m', array[1]);
        assertEquals('e', array[2]);
        reader.reset();
        assertEquals(1, reader.read(array, 1, 1));
        assertEquals('o', array[0]);
        assertEquals('o', array[1]);
        assertEquals('e', array[2]);
        assertEquals(2, reader.skip(2));

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        assertEquals(0, array[2]);
        
        reader.skip(9);
        assertEquals(-1, reader.read(array, 0, 1));
        
        reader.reset();
        array = new char[30];
        assertEquals(9, reader.read(array, 0, 30));
    }


    //-----------------------------------------------------------------------

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        chars)), 12);
    try {
      in.skip(6);
      in.mark(14);
      in.read(new char[14], 0, 14);
      in.reset();
      assertTrue("Wrong chars", in.read() == (char) 6
          && in.read() == (char) 7);
    } catch (IOException e) {
      fail("Exception during mark test 2:" + e);
    }

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    in = new BufferedReader(new Support_StringReader(new String(chars)), 12);
    try {
      in.skip(6);
      in.mark(8);
      in.skip(7);
      in.reset();
      assertTrue("Wrong chars 2", in.read() == (char) 6
          && in.read() == (char) 7);
    } catch (IOException e) {
      fail("Exception during mark test 3:" + e);
    }

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