1 /* 2 * Copyright (c) 1996, 1997, 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 /* 26 * COPYRIGHT goes here 27 */ 28 29 package sun.applet; 30 31 import java.io.*; 32 import java.lang.reflect.Array; 33 34 /** 35 * This subclass of ObjectInputStream delegates loading of classes to 36 * an existing ClassLoader. 37 */ 38 39 class AppletObjectInputStream extends ObjectInputStream 40 { 41 private AppletClassLoader loader; 42 43 /** 44 * Loader must be non-null; 45 */ 46 47 public AppletObjectInputStream(InputStream in, AppletClassLoader loader) 48 throws IOException, StreamCorruptedException { 49 50 super(in); 51 if (loader == null) { 52 throw new AppletIllegalArgumentException("appletillegalargumentexception.objectinputstream"); 53 54 } 55 this.loader = loader; 56 } 57 58 /** 59 * Make a primitive array class 60 */ 61 62 private Class<?> primitiveType(char type) { 63 switch (type) { 64 case 'B': return byte.class; 65 case 'C': return char.class; 66 case 'D': return double.class; 67 case 'F': return float.class; 68 case 'I': return int.class; 69 case 'J': return long.class; 70 case 'S': return short.class; 71 case 'Z': return boolean.class; 72 default: return null; 73 } 74 } 75 76 /** 77 * Use the given ClassLoader rather than using the system class 78 */ 79 protected Class<?> resolveClass(ObjectStreamClass classDesc) 80 throws IOException, ClassNotFoundException { 81 82 String cname = classDesc.getName(); 83 if (cname.startsWith("[")) { 84 // An array 85 Class<?> component; // component class 86 int dcount; // dimension 87 for (dcount=1; cname.charAt(dcount)=='['; dcount++) ; 88 if (cname.charAt(dcount) == 'L') { 89 component = loader.loadClass(cname.substring(dcount+1, 90 cname.length()-1)); 91 } else { 92 if (cname.length() != dcount+1) { 93 throw new ClassNotFoundException(cname);// malformed 94 } 95 component = primitiveType(cname.charAt(dcount)); 96 } 97 int dim[] = new int[dcount]; 98 for (int i=0; i<dcount; i++) { 99 dim[i]=0; 100 } 101 return Array.newInstance(component, dim).getClass(); 102 } else { 103 return loader.loadClass(cname); 104 } 105 } 106 }