Mercurial > jdk8-mips64-public > langtools / annotate
test/tools/javac/api/evalexpr/ByteArrayClassLoader.java@7909abb85562 (annotated)
test/tools/javac/api/evalexpr/ByteArrayClassLoader.java
Wed, 14 Nov 2018 10:18:25 -0800
- author
- diazhou
- date
- Wed, 14 Nov 2018 10:18:25 -0800
- changeset 3762
- 7909abb85562
- parent 581
- f2fdd52e4e87
- child 2525
- 2eb010b6cb22
- permissions
- -rw-r--r--
Added tag jdk8u201-b04 for changeset a7f48b9dfb82
| duke@1 | 1 | /* |
| ohair@554 | 2 | * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. |
| duke@1 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@1 | 4 | * |
| duke@1 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@1 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@1 | 7 | * published by the Free Software Foundation. |
| duke@1 | 8 | * |
| duke@1 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@1 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@1 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@1 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@1 | 13 | * accompanied this code). |
| duke@1 | 14 | * |
| duke@1 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@1 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@1 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@1 | 18 | * |
| ohair@554 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| ohair@554 | 20 | * or visit www.oracle.com if you need additional information or have any |
| ohair@554 | 21 | * questions. |
| duke@1 | 22 | */ |
| duke@1 | 23 | |
| duke@1 | 24 | package evalexpr; |
| duke@1 | 25 | |
| duke@1 | 26 | import java.util.Map; |
| duke@1 | 27 | |
| duke@1 | 28 | /** |
| duke@1 | 29 | * A class loader which loads classes from byte arrays. |
| duke@1 | 30 | * |
| jjg@581 | 31 | * <p><b>This is NOT part of any supported API. |
| duke@1 | 32 | * If you write code that depends on this, you do so at your own |
| duke@1 | 33 | * risk. This code and its internal interfaces are subject to change |
| duke@1 | 34 | * or deletion without notice.</b></p> |
| duke@1 | 35 | * @author Peter von der Ahé |
| duke@1 | 36 | */ |
| duke@1 | 37 | public class ByteArrayClassLoader extends ClassLoader { |
| duke@1 | 38 | /** |
| duke@1 | 39 | * Maps binary class names to class files stored as byte arrays. |
| duke@1 | 40 | */ |
| duke@1 | 41 | private Map<String, byte[]> classes; |
| duke@1 | 42 | |
| duke@1 | 43 | /** |
| duke@1 | 44 | * Creates a new instance of ByteArrayClassLoader |
| duke@1 | 45 | * @param classes a map from binary class names to class files stored as byte arrays |
| duke@1 | 46 | */ |
| duke@1 | 47 | public ByteArrayClassLoader(Map<String, byte[]> classes) { |
| duke@1 | 48 | this.classes = classes; |
| duke@1 | 49 | } |
| duke@1 | 50 | |
| duke@1 | 51 | @Override |
| duke@1 | 52 | public Class<?> loadClass(String name) throws ClassNotFoundException { |
| duke@1 | 53 | try { |
| duke@1 | 54 | return super.loadClass(name); |
| duke@1 | 55 | } catch (ClassNotFoundException e) { |
| duke@1 | 56 | byte[] classData = classes.get(name); |
| duke@1 | 57 | return defineClass(name, classData, 0, classData.length); |
| duke@1 | 58 | } |
| duke@1 | 59 | } |
| duke@1 | 60 | } |
