1 /*

     2  * Copyright (c) 2016, 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 public interface LoaderDelegate {

    39 

    40     /**

    41      * Attempts to load new classes.

    42      *

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

    44      * @throws ClassInstallException exception occurred loading the classes,

    45      * some or all were not loaded

    46      * @throws NotImplementedException if not implemented

    47      * @throws EngineTerminationException the execution engine has terminated

    48      */

    49     void load(ClassBytecodes[] cbcs)

    50             throws ClassInstallException, NotImplementedException, EngineTerminationException;

    51 

    52     /**

    53      * Adds the path to the execution class path.

    54      *

    55      * @param path the path to add

    56      * @throws EngineTerminationException the execution engine has terminated

    57      * @throws InternalException an internal problem occurred

    58      */

    59     void addToClasspath(String path)

    60             throws EngineTerminationException, InternalException;

    61 

    62     /**

    63      * Sets the execution class path to the specified path.

    64      *

    65      * @param path the path to add

    66      * @throws EngineTerminationException the execution engine has terminated

    67      * @throws InternalException an internal problem occurred

    68      */

    69     void setClasspath(String path)

    70             throws EngineTerminationException, InternalException;

    71 

    72     /**

    73      * Finds the class with the specified binary name.

    74      *

    75      * @param name the binary name of the class

    76      * @return the Class Object

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

    78      */

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

    80 }