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      1 /*
      2  * Copyright (C) 2010 Google Inc.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  * http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.google.clearsilver.jsilver.functions.operators;
     18 
     19 import com.google.clearsilver.jsilver.autoescape.EscapeMode;
     20 import com.google.clearsilver.jsilver.functions.NonEscapingFunction;
     21 import com.google.clearsilver.jsilver.values.Value;
     22 import static com.google.clearsilver.jsilver.values.Value.literalValue;
     23 
     24 /**
     25  * X + Y (string).
     26  */
     27 public class AddFunction extends NonEscapingFunction {
     28 
     29   public Value execute(Value... args) {
     30     Value left = args[0];
     31     Value right = args[1];
     32     EscapeMode mode = EscapeMode.combineModes(left.getEscapeMode(), right.getEscapeMode());
     33     return literalValue(left.asString() + right.asString(), mode, left.isPartiallyEscaped()
     34         || right.isPartiallyEscaped());
     35   }
     36 
     37 }
     38