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.

               {
                  c = '\n';
               }
               else
               {
                  reader.unread(j);
               }
            }
         }


         // Update current position

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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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                                return new OrderedJSONObject(rdr, strict);
                            } else {
                                return new JSONObject(rdr,strict);
                            }
                        case '[':
                            pReader.unread(ch);
                            if (bufferIt) {
                                rdr = new BufferedReader(pReader);
                            }
                            return new JSONArray(rdr, strict);
                        case ' ':

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                retval.add(sb.toString());
                continue;
            }


            if(ch == '(') { // more attrs defined
                reader.unread(ch);
                String attrs=readUntil(reader, ')');
                sb.append(attrs);
                retval.add(sb.toString());
            }
            else {

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                retval.add(sb.toString());
                continue;
            }


            if(ch == '(') { // more attrs defined
                reader.unread(ch);
                String attrs=readUntil(reader, ')');
                sb.append(attrs);
                retval.add(sb.toString());
            }
            else {

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                retval.add(sb.toString());
                continue;
            }


            if(ch == '(') { // more attrs defined
                reader.unread(ch);
                String attrs=readUntil(reader, ')');
                sb.append(attrs);
                retval.add(sb.toString());
            }
            else {

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                retval.add(sb.toString());
                continue;
            }


            if(ch == '(') { // more attrs defined
                reader.unread(ch);
                String attrs=readUntil(reader, ')');
                sb.append(attrs);
                retval.add(sb.toString());
            }
            else {

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                retval.add(sb.toString());
                continue;
            }


            if(ch == '(') { // more attrs defined
                reader.unread(ch);
                String attrs=readUntil(reader, ')');
                sb.append(attrs);
                retval.add(sb.toString());
            }
            else {

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                retval.add(sb.toString());
                continue;
            }


            if(ch == '(') { // more attrs defined
                reader.unread(ch);
                String attrs=readUntil(reader, ')');
                sb.append(attrs);
                retval.add(sb.toString());
            }
            else {

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      String charsReadStr = charsRead.toString();
      PushbackReader pbreader = new PushbackReader(reader,
                                                   charsReadStr.length());


      for (int i = charsReadStr.length() - 1; i >= 0; i--) {
         pbreader.unread(charsReadStr.charAt(i));
      }


      return pbreader;
   }

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