123 lines
3.4 KiB
Java
123 lines
3.4 KiB
Java
/*
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* Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package javax.management.loading;
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// java import
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import java.io.*;
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import java.lang.reflect.Array;
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/**
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* This subclass of ObjectInputStream delegates loading of classes to
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* an existing MLetClassLoader.
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*
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* @since 1.5
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*/
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class MLetObjectInputStream extends ObjectInputStream {
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private MLet loader;
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/**
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* Loader must be non-null;
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*/
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public MLetObjectInputStream(InputStream in, MLet loader)
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throws IOException, StreamCorruptedException {
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super(in);
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if (loader == null) {
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throw new IllegalArgumentException("Illegal null argument to MLetObjectInputStream");
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}
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this.loader = loader;
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}
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private Class<?> primitiveType(char c) {
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switch(c) {
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case 'B':
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return Byte.TYPE;
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case 'C':
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return Character.TYPE;
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case 'D':
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return Double.TYPE;
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case 'F':
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return Float.TYPE;
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case 'I':
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return Integer.TYPE;
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case 'J':
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return Long.TYPE;
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case 'S':
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return Short.TYPE;
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case 'Z':
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return Boolean.TYPE;
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}
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return null;
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}
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/**
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* Use the given ClassLoader rather than using the system class
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*/
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@Override
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protected Class<?> resolveClass(ObjectStreamClass objectstreamclass)
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throws IOException, ClassNotFoundException {
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String s = objectstreamclass.getName();
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if (s.startsWith("[")) {
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int i;
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for (i = 1; s.charAt(i) == '['; i++);
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Class<?> class1;
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if (s.charAt(i) == 'L') {
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class1 = loader.loadClass(s.substring(i + 1, s.length() - 1));
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} else {
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if (s.length() != i + 1)
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throw new ClassNotFoundException(s);
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class1 = primitiveType(s.charAt(i));
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}
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int ai[] = new int[i];
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for (int j = 0; j < i; j++)
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ai[j] = 0;
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return Array.newInstance(class1, ai).getClass();
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} else {
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return loader.loadClass(s);
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}
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}
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/**
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* Returns the ClassLoader being used
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*/
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public ClassLoader getClassLoader() {
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return loader;
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}
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}
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