Examples of java.io.PushbackReader.unread()

java.io.PushbackReader.unread()
Push back all the chars in buffer. The chars are pushed so that they would be read back buffer[0], buffer[1], etc. If the push back buffer cannot handle the entire contents of buffer, an IOException will be thrown. Some of the buffer may already be in the buffer after the exception is thrown. @param buffer the char array containing chars to push back into the reader. @throws IOException If the pushback buffer becomes, or is, full.

            if (ch == -1)
                return headerOnly(writer.toString());


            // if not XML, finish
            if (ch != '<') {
                xml.unread(ch);
                _header = writer.toString().toCharArray();
                return xml;
            }


            // if the root element, finish

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            }


            // if the root element, finish
            ch = xml.read();
            if (ch != '?' && ch != '!') {
                xml.unread(ch);
                xml.unread('<');
                _header = writer.toString().toCharArray();
                return xml;
            }

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            // if the root element, finish
            ch = xml.read();
            if (ch != '?' && ch != '!') {
                xml.unread(ch);
                xml.unread('<');
                _header = writer.toString().toCharArray();
                return xml;
            }


            // if a doc type element, finish

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            }


            // if a doc type element, finish
            ch2 = xml.read();
            if (ch == '!' && ch2 == 'D') {
                xml.unread(ch2);
                xml.unread(ch);
                xml.unread('<');
                _header = writer.toString().toCharArray();
                _docType = null; // make sure doc type not included
                return xml;

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            // if a doc type element, finish
            ch2 = xml.read();
            if (ch == '!' && ch2 == 'D') {
                xml.unread(ch2);
                xml.unread(ch);
                xml.unread('<');
                _header = writer.toString().toCharArray();
                _docType = null; // make sure doc type not included
                return xml;
            }

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            // if a doc type element, finish
            ch2 = xml.read();
            if (ch == '!' && ch2 == 'D') {
                xml.unread(ch2);
                xml.unread(ch);
                xml.unread('<');
                _header = writer.toString().toCharArray();
                _docType = null; // make sure doc type not included
                return xml;
            }

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            for (ch = xml.read(); ch != -1
                && Character.isWhitespace((char) ch); ch = xml.read())
                writer.write(ch);
            if (ch == -1)
                return headerOnly(writer.toString());
            xml.unread(ch);
        }
    }


    /**
     * If the stream contained only space, think of it as pure XML with no

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      PushbackReader pReader2 = new PushbackReader(reader2, 2);
      boolean skipped = false;
      long numSkipped = 0;
      try {
        numSkipped = pReader2.skip(3);
        pReader2.unread('a');
        pReader2.unread('b');
        numSkipped += pReader2.skip(10);
        numSkipped += pReader2.skip(10);
        numSkipped += pReader2.skip(10);
        numSkipped += pReader2.skip(10);

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      boolean skipped = false;
      long numSkipped = 0;
      try {
        numSkipped = pReader2.skip(3);
        pReader2.unread('a');
        pReader2.unread('b');
        numSkipped += pReader2.skip(10);
        numSkipped += pReader2.skip(10);
        numSkipped += pReader2.skip(10);
        numSkipped += pReader2.skip(10);
        numSkipped += pReader2.skip(10);

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                Reader rdr = pReader;
                int ch = pReader.read();
                while (ch != -1) {
                    switch (ch) {
                        case '{':
                            pReader.unread(ch);
                            if (bufferIt) {
                                rdr = new BufferedReader(pReader);
                            }
                            if (order) {
                                return new OrderedJSONObject(rdr, strict);

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