content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *  GNU General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * reserved comment block
   * DO NOT REMOVE OR ALTER!
   */
  /*
   * Copyright 2000-2002,2004 The Apache Software Foundation.
   *
   * Licensed 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 jaxp.sun.org.apache.xerces.internal.util;
  
  /**
   * Synchronized symbol table.
   *
   * This class moved into the util package since it's needed by multiple
   * other classes (CachingParserPool, XMLGrammarCachingConfiguration).
   *
   * @author Andy Clark, IBM
   */
  
  public final class SynchronizedSymbolTable
      extends SymbolTable {
  
      //
      // Data
      //
  
      /** Main symbol table. */
      protected SymbolTable fSymbolTable;
  
      //
      // Constructors
      //
  
      /** Constructs a synchronized symbol table. */
      public SynchronizedSymbolTable(SymbolTable symbolTable) {
          fSymbolTable = symbolTable;
      } // <init>(SymbolTable)
  
      // construct synchronized symbol table of default size
      public SynchronizedSymbolTable() {
          fSymbolTable = new SymbolTable();
      } // init()
  
      // construct synchronized symbol table of given size
      public SynchronizedSymbolTable(int size) {
          fSymbolTable = new SymbolTable(size);
      } // init(int)
  
      //
      // SymbolTable methods
      //
  
      /**
       * Adds the specified symbol to the symbol table and returns a
       * reference to the unique symbol. If the symbol already exists,
       * the previous symbol reference is returned instead, in order
       * guarantee that symbol references remain unique.
       *
       * @param symbol The new symbol.
       */
      public String addSymbol(String symbol) {
  
          synchronized (fSymbolTable) {
              return fSymbolTable.addSymbol(symbol);
          }
  
      } // addSymbol(String)
  
      /**
       * Adds the specified symbol to the symbol table and returns a
       * reference to the unique symbol. If the symbol already exists,
       * the previous symbol reference is returned instead, in order
       * guarantee that symbol references remain unique.
       *
       * @param buffer The buffer containing the new symbol.
       * @param offset The offset into the buffer of the new symbol.
       * @param length The length of the new symbol in the buffer.
       */
      public String addSymbol(char[] buffer, int offset, int length) {
  
          synchronized (fSymbolTable) {
              return fSymbolTable.addSymbol(buffer, offset, length);
          }
  
      } // addSymbol(char[],int,int):String
  
      /**
       * Returns true if the symbol table already contains the specified
       * symbol.
       *
       * @param symbol The symbol to look for.
       */
      public boolean containsSymbol(String symbol) {
  
          synchronized (fSymbolTable) {
              return fSymbolTable.containsSymbol(symbol);
          }
  
      } // containsSymbol(String):boolean
  
      /**
       * Returns true if the symbol table already contains the specified
       * symbol.
       *
       * @param buffer The buffer containing the symbol to look for.
       * @param offset The offset into the buffer.
       * @param length The length of the symbol in the buffer.
       */
      public boolean containsSymbol(char[] buffer, int offset, int length) {
  
          synchronized (fSymbolTable) {
              return fSymbolTable.containsSymbol(buffer, offset, length);
          }
  
      } // containsSymbol(char[],int,int):boolean
  
  } // class SynchronizedSymbolTable
  