/*
 *   
 *
 * Copyright  1990-2006 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation. 
 * 
 * This program 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 version 2 for more details (a copy is
 * included at /legal/license.txt). 
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA 
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions. 
 */

/** \class ClassPathAccess
 * Used to read classfiles or resources from the classpath (from file
 * system, or from JAR files.
*/

class ClassPathAccess : public AllStatic {
public:
  /**
   * Read the given entry from the system classpath.
   */
  static ReturnOop open_entry(Symbol* entry_name, bool is_class_file
                              JVM_TRAPS);
  /**
   * Tries to read the given entry from the given classpath segment.
   */
  static ReturnOop open_entry_from_file(Symbol* entry_name, bool is_class_file, FilePath* path
                              JVM_TRAPS);
                              
private:

#if ENABLE_ROM_GENERATOR
  static void check_classpath_for_romizer(Symbol* entry_name JVM_TRAPS);
#endif

  static ReturnOop open_jar_entry(JarFileParser *parser,
                                  Symbol * entry_name,
                                  bool is_class_file JVM_TRAPS);
  static ReturnOop open_local_file(PathChar* path_name, Symbol * entry_name,
                                   bool is_class_file JVM_TRAPS);

  enum {
    NAME_BUFFER_SIZE = 270
  };
};
