List of usage examples for org.apache.wicket.util.parse.metapattern MetaPattern OPTIONAL_WHITESPACE
MetaPattern OPTIONAL_WHITESPACE
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From source file:com.locke.tricks.u.U.java
License:Apache License
@SuppressWarnings("unchecked") public U() {//from w w w . j a v a 2s . com 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."; } }); }