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

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/* 
 * 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 com.greenlaw110.rythm.utils;

import java.io.Serializable;

/**
 * Used for escaping
 */
public class RawData implements Serializable {
    public String data;

    public RawData(Object val) {
        if (val == null) {
            data = "";
        } else {
            data = val.toString();
        }
    }
    
    public RawData append(Object val) {
        StringBuilder sb = new StringBuilder(data).append(val);
        return new RawData(sb);
    }

    public RawData appendTo(Object val) {
        StringBuilder sb = new StringBuilder(S.str(val)).append(data);
        return new RawData(sb);
    }

    @Override
    public String toString() {
        return data;
    }
    
    public static RawData valueOf(Object o) {
        return new RawData(o);
    }

    public static final RawData NULL = new RawData(null);
}