1 /*

     2  * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 package jdk.jshell.execution;

    26 

    27 import jdk.jshell.spi.ExecutionControl.ClassBytecodes;

    28 import jdk.jshell.spi.ExecutionControl.ClassInstallException;

    29 import jdk.jshell.spi.ExecutionControl.EngineTerminationException;

    30 import jdk.jshell.spi.ExecutionControl.InternalException;

    31 import jdk.jshell.spi.ExecutionControl.NotImplementedException;

    32 

    33 /**

    34  * This interface specifies the loading specific subset of

    35  * {@link jdk.jshell.spi.ExecutionControl}.  For use in encapsulating the

    36  * {@link java.lang.ClassLoader} implementation.

    37  *

    38  * @since 9

    39  */

    40 public interface LoaderDelegate {

    41 

    42     /**

    43      * Attempts to load new classes.

    44      *

    45      * @param cbcs the class name and bytecodes to load

    46      * @throws ClassInstallException exception occurred loading the classes,

    47      * some or all were not loaded

    48      * @throws NotImplementedException if not implemented

    49      * @throws EngineTerminationException the execution engine has terminated

    50      */

    51     void load(ClassBytecodes[] cbcs)

    52             throws ClassInstallException, NotImplementedException, EngineTerminationException;

    53 

    54     /**

    55      * Notify that classes have been redefined.

    56      *

    57      * @param cbcs the class names and bytecodes that have been redefined

    58      */

    59     public void classesRedefined(ClassBytecodes[] cbcs);

    60 

    61     /**

    62      * Adds the path to the execution class path.

    63      *

    64      * @param path the path to add

    65      * @throws EngineTerminationException the execution engine has terminated

    66      * @throws InternalException an internal problem occurred

    67      */

    68     void addToClasspath(String path)

    69             throws EngineTerminationException, InternalException;

    70 

    71     /**

    72      * Finds the class with the specified binary name.

    73      *

    74      * @param name the binary name of the class

    75      * @return the Class Object

    76      * @throws ClassNotFoundException if the class could not be found

    77      */

    78     Class<?> findClass(String name) throws ClassNotFoundException;

    79 }