jdk8-mips64-public/langtools: test/tools/javac/api/evalexpr/ByteArrayClassLoader.java@7dbb79875a63

6558476: com/sun/tools/javac/Main.compile don't release file handles on return
Reviewed-by: darcy

     1 /*

     2  * Copyright 2005 Sun Microsystems, Inc.  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.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    24 package evalexpr;

    26 import java.util.Map;

    28 /**

    29  * A class loader which loads classes from byte arrays.

    30  *

    31  * <p><b>This is NOT part of any API supported by Sun Microsystems.

    32  * If you write code that depends on this, you do so at your own

    33  * risk.  This code and its internal interfaces are subject to change

    34  * or deletion without notice.</b></p>

    35  * @author Peter von der Ah&eacute;

    36  */

    37 public class ByteArrayClassLoader extends ClassLoader {

    38     /**

    39      * Maps binary class names to class files stored as byte arrays.

    40      */

    41     private Map<String, byte[]> classes;

    43     /**

    44      * Creates a new instance of ByteArrayClassLoader

    45      * @param classes a map from binary class names to class files stored as byte arrays

    46      */

    47     public ByteArrayClassLoader(Map<String, byte[]> classes) {

    48         this.classes = classes;

    49     }

    51     @Override

    52     public Class<?> loadClass(String name) throws ClassNotFoundException {

    53         try {

    54             return super.loadClass(name);

    55         } catch (ClassNotFoundException e) {

    56             byte[] classData = classes.get(name);

    57             return defineClass(name, classData, 0, classData.length);

    58         }

    59     }

    60 }

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