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A strong typed high performance Java Template engine with .Net Razor like syntax

There is a newer version: 1.4.2

/* 
 * Copyright (C) 2013 The Rythm Engine project
 * Gelin Luo 
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
*/
package org.rythmengine.internal.parser.build_in;

import com.stevesoft.pat.Regex;
import org.rythmengine.internal.IContext;
import org.rythmengine.internal.IParser;
import org.rythmengine.internal.Keyword;
import org.rythmengine.internal.Token;
import org.rythmengine.internal.dialect.Rythm;
import org.rythmengine.internal.parser.CodeToken;
import org.rythmengine.internal.parser.RemoveLeadingLineBreakAndSpacesParser;

/**
 * Parse @return() statement. Which break the current template execution and return to caller
 */
public class TimestampParser extends KeywordParserFactory {

    @Override
    public Keyword keyword() {
        return Keyword.TS;
    }

    public IParser create(final IContext ctx) {
        return new RemoveLeadingLineBreakAndSpacesParser(ctx) {
            public Token go() {
                Regex r = reg(dialect());
                if (!r.search(remain())) {
                    return null;
                }
                step(r.stringMatched().length());
                return new CodeToken("p(System.currentTimeMillis());", ctx());
            }
        };
    }

    @Override
    protected String patternStr() {
        return "^(%s%s\\s*\\(\\s*\\))";
    }

    public static void main(String[] args) {
        String s = "@ts() \naba";
        TimestampParser ap = new TimestampParser();
        Regex r = ap.reg(Rythm.INSTANCE);
        if (r.search(s)) {
            p(r, 5);
        }
    }

}