Example usage for org.apache.wicket.util.parse.metapattern IntegerGroup IntegerGroup

Introduction

In this page you can find the example usage for org.apache.wicket.util.parse.metapattern IntegerGroup IntegerGroup.

Prototype

public IntegerGroup(final MetaPattern pattern) 

Source Link

Document

Constructs an IntegerGroup that parses Strings that match the given pattern in base 10.

Usage

From source file:com.locke.tricks.u.U.java

License:Apache License

@SuppressWarnings("unchecked")
public U() {//w w w . j a  v a2 s.c  o  m

    final IColumn<Utility>[] columns = new IColumn[2];
    columns[0] = new PropertyColumn<Utility>(new Model<String>("Code"), "code", "code");
    columns[1] = new PropertyColumn<Utility>(new Model<String>("Output"), "output", "output");

    final DataTable<Utility> dataTable = new DataTable<Utility>("utilities", columns,
            this.utilitiesDataProvider, Integer.MAX_VALUE);
    dataTable.addTopToolbar(new HeadersToolbar(dataTable, new ISortStateLocator() {

        private ISortState sortState = new SingleSortState();

        public ISortState getSortState() {
            return this.sortState;
        }

        public void setSortState(final ISortState state) {
            this.sortState = state;
        }
    }));
    add(dataTable);

    this.utilities.add(new Utility("Time.now().toString()") {

        @Override
        public String getOutput() {
            return Time.now().toString();
        }
    });
    this.utilities.add(new Utility("Duration.ONE_WEEK.toString()") {

        @Override
        public String getOutput() {
            return Duration.ONE_WEEK.toString();
        }
    });
    this.utilities.add(new Utility("Duration.ONE_WEEK.add(Duration.ONE_DAY).toString()") {

        @Override
        public String getOutput() {
            return Duration.ONE_WEEK.add(Duration.ONE_DAY).toString();
        }
    });
    this.utilities.add(new Utility("Time.now().add(Duration.ONE_WEEK).toString()") {

        @Override
        public String getOutput() {
            return Time.now().add(Duration.ONE_WEEK).toString();
        }
    });
    this.utilities.add(new Utility("Bytes.valueOf(\"512K\") + Bytes.megabytes(1.3)") {

        @Override
        public String getOutput() {
            return Bytes.bytes(Bytes.valueOf("512K").bytes() + Bytes.megabytes(1.3).bytes()).toString();
        }
    });
    this.utilities.add(new Utility("Parsing \'13 + 13\' using MetaPattern") {

        @Override
        public String getOutput() {
            final IntegerGroup a = new IntegerGroup(MetaPattern.DIGITS);
            final IntegerGroup b = new IntegerGroup(MetaPattern.DIGITS);
            final MetaPattern sum = new MetaPattern(new MetaPattern[] { a, MetaPattern.OPTIONAL_WHITESPACE,
                    MetaPattern.PLUS, MetaPattern.OPTIONAL_WHITESPACE, b });
            final Matcher matcher = sum.matcher("13 + 13");
            if (matcher.matches()) {
                return Integer.toString(a.getInt(matcher) + b.getInt(matcher));
            }
            return "Failed to match.";
        }
    });
}

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