compiler/java/com/google/dart/compiler/util/StringInterner.java

/*
 * Copyright (c) 2013, the Dart project authors.
 * 
 * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
 * 
 * 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.google.dart.compiler.util;

import com.google.common.collect.Interner;
import com.google.common.collect.Interners;

public class StringInterner {
  private static Interner<String> INTERNER = Interners.newStrongInterner();
  
  public static String intern(String s) {
    if (s == null) {
      return null;
    }
    s = new String(s);
    return INTERNER.intern(s);
//    return s;
  }
}