Example usage for java.io StreamTokenizer TT_EOL

List of usage examples for java.io StreamTokenizer TT_EOL

Introduction

In this page you can find the example usage for java.io StreamTokenizer TT_EOL.

Prototype

int TT_EOL

To view the source code for java.io StreamTokenizer TT_EOL.

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Document

A constant indicating that the end of the line has been read.

Usage

From source file:org.wso2.andes.server.security.access.config.PlainConfiguration.java

@Override
public RuleSet load() throws ConfigurationException {
    RuleSet ruleSet = super.load();

    try {/*from   ww w  .  j  av  a2  s  .  c o  m*/
        _st = new StreamTokenizer(new BufferedReader(new FileReader(_file)));
        _st.resetSyntax(); // setup the tokenizer

        _st.commentChar(COMMENT); // single line comments
        _st.eolIsSignificant(true); // return EOL as a token
        _st.lowerCaseMode(true); // case insensitive tokens
        _st.ordinaryChar('='); // equals is a token
        _st.ordinaryChar(CONTINUATION); // continuation character (when followed by EOL)
        _st.quoteChar('"'); // double quote
        _st.quoteChar('\''); // single quote
        _st.whitespaceChars('\u0000', '\u0020'); // whitespace (to be ignored) TODO properly
        _st.wordChars('a', 'z'); // unquoted token characters [a-z]
        _st.wordChars('A', 'Z'); // [A-Z]
        _st.wordChars('0', '9'); // [0-9]
        _st.wordChars('_', '_'); // underscore
        _st.wordChars('-', '-'); // dash
        _st.wordChars('.', '.'); // dot
        _st.wordChars('*', '*'); // star
        _st.wordChars('@', '@'); // at
        _st.wordChars(':', ':'); // colon

        // parse the acl file lines
        Stack<String> stack = new Stack<String>();
        int current;
        do {
            current = _st.nextToken();
            switch (current) {
            case StreamTokenizer.TT_EOF:
            case StreamTokenizer.TT_EOL:
                if (stack.isEmpty()) {
                    break; // blank line
                }

                // pull out the first token from the bottom of the stack and check arguments exist
                String first = stack.firstElement();
                stack.removeElementAt(0);
                if (stack.isEmpty()) {
                    throw new ConfigurationException(String.format(NOT_ENOUGH_TOKENS_MSG, getLine()));
                }

                // check for and parse optional initial number for ACL lines
                Integer number = null;
                if (StringUtils.isNumeric(first)) {
                    // set the acl number and get the next element
                    number = Integer.valueOf(first);
                    first = stack.firstElement();
                    stack.removeElementAt(0);
                }

                if (StringUtils.equalsIgnoreCase(ACL, first)) {
                    parseAcl(number, stack);
                } else if (number == null) {
                    if (StringUtils.equalsIgnoreCase(GROUP, first)) {
                        parseGroup(stack);
                    } else if (StringUtils.equalsIgnoreCase(CONFIG, first)) {
                        parseConfig(stack);
                    } else {
                        throw new ConfigurationException(
                                String.format(UNRECOGNISED_INITIAL_MSG, first, getLine()));
                    }
                } else {
                    throw new ConfigurationException(String.format(NUMBER_NOT_ALLOWED_MSG, first, getLine()));
                }

                // reset stack, start next line
                stack.clear();
                break;
            case StreamTokenizer.TT_NUMBER:
                stack.push(Integer.toString(Double.valueOf(_st.nval).intValue()));
                break;
            case StreamTokenizer.TT_WORD:
                stack.push(_st.sval); // token
                break;
            default:
                if (_st.ttype == CONTINUATION) {
                    int next = _st.nextToken();
                    if (next == StreamTokenizer.TT_EOL) {
                        break; // continue reading next line
                    }

                    // invalid location for continuation character (add one to line beacuse we ate the EOL)
                    throw new ConfigurationException(String.format(PREMATURE_CONTINUATION_MSG, getLine() + 1));
                } else if (_st.ttype == '\'' || _st.ttype == '"') {
                    stack.push(_st.sval); // quoted token
                } else {
                    stack.push(Character.toString((char) _st.ttype)); // single character
                }
            }
        } while (current != StreamTokenizer.TT_EOF);

        if (!stack.isEmpty()) {
            throw new ConfigurationException(String.format(PREMATURE_EOF_MSG, getLine()));
        }
    } catch (IllegalArgumentException iae) {
        throw new ConfigurationException(String.format(PARSE_TOKEN_FAILED_MSG, getLine()), iae);
    } catch (FileNotFoundException fnfe) {
        throw new ConfigurationException(String.format(CONFIG_NOT_FOUND_MSG, getFile().getName()), fnfe);
    } catch (IOException ioe) {
        throw new ConfigurationException(String.format(CANNOT_LOAD_MSG, getFile().getName()), ioe);
    }

    return ruleSet;
}

From source file:uk.ac.leeds.ccg.andyt.projects.fluvialglacial.SlopeAreaAnalysis.java

protected TreeMap<Integer, Object[]> readSwissData(File fileIn) {
    TreeMap<Integer, Object[]> result;
    result = new TreeMap<Integer, Object[]>();
    BufferedReader br;//from   w w w .j  a v  a2s  . c  o m
    br = Generic_StaticIO.getBufferedReader(fileIn);
    StreamTokenizer st;
    st = new StreamTokenizer(br);
    Generic_StaticIO.setStreamTokenizerSyntax5(st);
    st.wordChars('(', '(');
    st.wordChars(')', ')');
    st.wordChars('%', '%');
    Generic_StaticIO.skipline(st);
    int token;
    String line = "";
    String[] fields;
    try {
        token = st.nextToken();
        int ID;
        //int pointID;
        while (token != StreamTokenizer.TT_EOF) {
            switch (token) {
            case StreamTokenizer.TT_EOL:
                //flowacc,area (km2),slope_25_(%),proglac_ID,COUNT
                //12.11111069,0.00756944,32.33880000000,0,250631
                fields = line.split(sComma);
                ID = Integer.valueOf(fields[3]);
                if (ID > 0) {
                    //BigDecimal flowacc;
                    BigDecimal area;
                    BigDecimal slope;
                    Object[] data;
                    BigDecimal maxx;
                    BigDecimal maxy;
                    BigDecimal minx;
                    BigDecimal miny;
                    data = result.get(ID);
                    ArrayList<Generic_XYNumericalData> theGeneric_XYNumericalData;
                    if (data == null) {
                        data = new Object[5];
                        theGeneric_XYNumericalData = new ArrayList<Generic_XYNumericalData>();
                        maxx = BigDecimal.ZERO;
                        maxy = BigDecimal.ZERO;
                        minx = BigDecimal.valueOf(Double.MAX_VALUE);
                        miny = BigDecimal.valueOf(Double.MAX_VALUE);
                        data[0] = theGeneric_XYNumericalData;
                        data[1] = maxx;
                        data[2] = minx;
                        data[3] = maxy;
                        data[4] = miny;
                        result.put(ID, data);
                    } else {
                        theGeneric_XYNumericalData = (ArrayList<Generic_XYNumericalData>) data[0];
                        maxx = (BigDecimal) data[1];
                        minx = (BigDecimal) data[2];
                        maxy = (BigDecimal) data[3];
                        miny = (BigDecimal) data[4];
                    }
                    //pointID = Integer.valueOf(fields[4]);
                    //flowacc = new BigDecimal(fields[0]);
                    area = new BigDecimal(fields[1]);
                    if (area.compareTo(BigDecimal.ZERO) == 1) {
                        area = Generic_BigDecimal.log(10, area, 10, RoundingMode.HALF_UP);
                    } else {
                        area = BigDecimal.ZERO;
                    }
                    slope = new BigDecimal(fields[2]);
                    if (slope.compareTo(BigDecimal.ZERO) == 1) {
                        slope = Generic_BigDecimal.log(10, slope, 10, RoundingMode.HALF_UP);
                    } else {
                        slope = BigDecimal.ZERO;
                    }
                    Generic_XYNumericalData point;
                    point = new Generic_XYNumericalData(slope, area);
                    theGeneric_XYNumericalData.add(point);
                    data[0] = theGeneric_XYNumericalData;
                    data[1] = maxx.max(slope);
                    data[2] = minx.min(slope);
                    data[3] = maxy.max(area);
                    data[4] = miny.min(area);
                }
                break;
            case StreamTokenizer.TT_WORD:
                line = st.sval;
                break;
            }
            token = st.nextToken();
        }
    } catch (IOException ex) {
        Logger.getLogger(SlopeAreaAnalysis.class.getName()).log(Level.SEVERE, null, ex);
    }
    return result;
}

From source file:uk.ac.leeds.ccg.andyt.projects.fluvialglacial.SlopeAreaAnalysis.java

protected TreeMap<Integer, Object[]> readAustriaData(File fileIn) {
    TreeMap<Integer, Object[]> result;
    result = new TreeMap<Integer, Object[]>();
    BufferedReader br;/*from   w  w w. j  av a2s .c  o  m*/
    br = Generic_StaticIO.getBufferedReader(fileIn);
    StreamTokenizer st;
    st = new StreamTokenizer(br);
    Generic_StaticIO.setStreamTokenizerSyntax5(st);
    st.wordChars('(', '(');
    st.wordChars(')', ')');
    st.wordChars('%', '%');
    Generic_StaticIO.skipline(st);
    int token;
    String line = "";
    String[] fields;
    try {
        token = st.nextToken();
        int ID;
        //int pointID;
        while (token != StreamTokenizer.TT_EOF) {
            switch (token) {
            case StreamTokenizer.TT_EOL:
                //flowacc,area (km2),slope_25_(%),proglac_ID,COUNT
                //12.11111069,0.00756944,32.33880000000,0,250631
                fields = line.split(sComma);
                ID = Double.valueOf(fields[1]).intValue();
                if (ID > 0) {
                    //BigDecimal flowacc;
                    BigDecimal area;
                    BigDecimal slope;
                    Object[] data;
                    BigDecimal maxx;
                    BigDecimal maxy;
                    BigDecimal minx;
                    BigDecimal miny;
                    data = result.get(ID);
                    ArrayList<Generic_XYNumericalData> theGeneric_XYNumericalData;
                    if (data == null) {
                        data = new Object[5];
                        theGeneric_XYNumericalData = new ArrayList<Generic_XYNumericalData>();
                        maxx = BigDecimal.ZERO;
                        maxy = BigDecimal.ZERO;
                        minx = BigDecimal.valueOf(Double.MAX_VALUE);
                        miny = BigDecimal.valueOf(Double.MAX_VALUE);
                        data[0] = theGeneric_XYNumericalData;
                        data[1] = maxx;
                        data[2] = minx;
                        data[3] = maxy;
                        data[4] = miny;
                        result.put(ID, data);
                    } else {
                        theGeneric_XYNumericalData = (ArrayList<Generic_XYNumericalData>) data[0];
                        maxx = (BigDecimal) data[1];
                        minx = (BigDecimal) data[2];
                        maxy = (BigDecimal) data[3];
                        miny = (BigDecimal) data[4];
                    }
                    //pointID = Integer.valueOf(fields[4]);
                    //flowacc = new BigDecimal(fields[0]);
                    area = new BigDecimal(fields[3]);
                    if (area.compareTo(BigDecimal.ZERO) == 1) {
                        area = Generic_BigDecimal.log(10, area, 10, RoundingMode.HALF_UP);
                    } else {
                        area = BigDecimal.ZERO;
                    }
                    slope = new BigDecimal(fields[2]);
                    if (slope.compareTo(BigDecimal.ZERO) == 1) {
                        slope = Generic_BigDecimal.log(10, slope, 10, RoundingMode.HALF_UP);
                    } else {
                        slope = BigDecimal.ZERO;
                    }
                    Generic_XYNumericalData point;
                    point = new Generic_XYNumericalData(slope, area);
                    theGeneric_XYNumericalData.add(point);
                    data[0] = theGeneric_XYNumericalData;
                    data[1] = maxx.max(slope);
                    data[2] = minx.min(slope);
                    data[3] = maxy.max(area);
                    data[4] = miny.min(area);
                }
                break;
            case StreamTokenizer.TT_WORD:
                line = st.sval;
                break;
            }
            token = st.nextToken();
        }
    } catch (IOException ex) {
        Logger.getLogger(SlopeAreaAnalysis.class.getName()).log(Level.SEVERE, null, ex);
    }
    return result;
}