public class java.security.SecureClassLoader extends java.lang.ClassLoader
minor version: 0
major version: 59
flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
this_class: java.security.SecureClassLoader
super_class: java.lang.ClassLoader
{
private final boolean initialized;
descriptor: Z
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final java.util.HashMap<java.security.CodeSource, java.security.ProtectionDomain> pdcache;
descriptor: Ljava/util/HashMap;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
Signature: Ljava/util/HashMap<Ljava/security/CodeSource;Ljava/security/ProtectionDomain;>;
private static final sun.security.util.Debug debug;
descriptor: Lsun/security/util/Debug;
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
static void <clinit>();
descriptor: ()V
flags: (0x0008) ACC_STATIC
Code:
stack=1, locals=0, args_size=0
0: ldc "scl"
invokestatic sun.security.util.Debug.getInstance:(Ljava/lang/String;)Lsun/security/util/Debug;
putstatic java.security.SecureClassLoader.debug:Lsun/security/util/Debug;
1: invokestatic java.lang.ClassLoader.registerAsParallelCapable:()Z
pop
2: return
LocalVariableTable:
Start End Slot Name Signature
protected void <init>(java.lang.ClassLoader);
descriptor: (Ljava/lang/ClassLoader;)V
flags: (0x0004) ACC_PROTECTED
Code:
stack=4, locals=3, args_size=2
start local 0 start local 1 0: aload 0
aload 1
invokespecial java.lang.ClassLoader.<init>:(Ljava/lang/ClassLoader;)V
1: aload 0
2: new java.util.HashMap
dup
bipush 11
invokespecial java.util.HashMap.<init>:(I)V
putfield java.security.SecureClassLoader.pdcache:Ljava/util/HashMap;
3: invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
astore 2
start local 2 4: aload 2
ifnull 6
5: aload 2
invokevirtual java.lang.SecurityManager.checkCreateClassLoader:()V
6: StackMap locals: java.security.SecureClassLoader java.lang.ClassLoader java.lang.SecurityManager
StackMap stack:
aload 0
iconst_1
putfield java.security.SecureClassLoader.initialized:Z
7: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Ljava/security/SecureClassLoader;
0 8 1 parent Ljava/lang/ClassLoader;
4 8 2 security Ljava/lang/SecurityManager;
MethodParameters:
Name Flags
parent
protected void <init>();
descriptor: ()V
flags: (0x0004) ACC_PROTECTED
Code:
stack=4, locals=2, args_size=1
start local 0 0: aload 0
invokespecial java.lang.ClassLoader.<init>:()V
1: aload 0
2: new java.util.HashMap
dup
bipush 11
invokespecial java.util.HashMap.<init>:(I)V
putfield java.security.SecureClassLoader.pdcache:Ljava/util/HashMap;
3: invokestatic java.lang.System.getSecurityManager:()Ljava/lang/SecurityManager;
astore 1
start local 1 4: aload 1
ifnull 6
5: aload 1
invokevirtual java.lang.SecurityManager.checkCreateClassLoader:()V
6: StackMap locals: java.security.SecureClassLoader java.lang.SecurityManager
StackMap stack:
aload 0
iconst_1
putfield java.security.SecureClassLoader.initialized:Z
7: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Ljava/security/SecureClassLoader;
4 8 1 security Ljava/lang/SecurityManager;
protected final java.lang.Class<?> defineClass(java.lang.String, byte[], int, int, java.security.CodeSource);
descriptor: (Ljava/lang/String;[BIILjava/security/CodeSource;)Ljava/lang/Class;
flags: (0x0014) ACC_PROTECTED, ACC_FINAL
Code:
stack=7, locals=6, args_size=6
start local 0 start local 1 start local 2 start local 3 start local 4 start local 5 0: aload 0
aload 1
aload 2
iload 3
iload 4
aload 0
aload 5
invokevirtual java.security.SecureClassLoader.getProtectionDomain:(Ljava/security/CodeSource;)Ljava/security/ProtectionDomain;
invokevirtual java.security.SecureClassLoader.defineClass:(Ljava/lang/String;[BIILjava/security/ProtectionDomain;)Ljava/lang/Class;
areturn
end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/security/SecureClassLoader;
0 1 1 name Ljava/lang/String;
0 1 2 b [B
0 1 3 off I
0 1 4 len I
0 1 5 cs Ljava/security/CodeSource;
Signature: (Ljava/lang/String;[BIILjava/security/CodeSource;)Ljava/lang/Class<*>;
MethodParameters:
Name Flags
name
b
off
len
cs
protected final java.lang.Class<?> defineClass(java.lang.String, java.nio.ByteBuffer, java.security.CodeSource);
descriptor: (Ljava/lang/String;Ljava/nio/ByteBuffer;Ljava/security/CodeSource;)Ljava/lang/Class;
flags: (0x0014) ACC_PROTECTED, ACC_FINAL
Code:
stack=5, locals=4, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
aload 1
aload 2
aload 0
aload 3
invokevirtual java.security.SecureClassLoader.getProtectionDomain:(Ljava/security/CodeSource;)Ljava/security/ProtectionDomain;
invokevirtual java.security.SecureClassLoader.defineClass:(Ljava/lang/String;Ljava/nio/ByteBuffer;Ljava/security/ProtectionDomain;)Ljava/lang/Class;
areturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Ljava/security/SecureClassLoader;
0 1 1 name Ljava/lang/String;
0 1 2 b Ljava/nio/ByteBuffer;
0 1 3 cs Ljava/security/CodeSource;
Signature: (Ljava/lang/String;Ljava/nio/ByteBuffer;Ljava/security/CodeSource;)Ljava/lang/Class<*>;
MethodParameters:
Name Flags
name
b
cs
protected java.security.PermissionCollection getPermissions(java.security.CodeSource);
descriptor: (Ljava/security/CodeSource;)Ljava/security/PermissionCollection;
flags: (0x0004) ACC_PROTECTED
Code:
stack=2, locals=2, args_size=2
start local 0 start local 1 0: aload 0
invokevirtual java.security.SecureClassLoader.check:()V
1: new java.security.Permissions
dup
invokespecial java.security.Permissions.<init>:()V
areturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 2 0 this Ljava/security/SecureClassLoader;
0 2 1 codesource Ljava/security/CodeSource;
MethodParameters:
Name Flags
codesource
private java.security.ProtectionDomain getProtectionDomain(java.security.CodeSource);
descriptor: (Ljava/security/CodeSource;)Ljava/security/ProtectionDomain;
flags: (0x0002) ACC_PRIVATE
Code:
stack=6, locals=5, args_size=2
start local 0 start local 1 0: aload 1
ifnonnull 2
1: aconst_null
areturn
2: StackMap locals:
StackMap stack:
aconst_null
astore 2
start local 2 3: aload 0
getfield java.security.SecureClassLoader.pdcache:Ljava/util/HashMap;
dup
astore 3
monitorenter
4: aload 0
getfield java.security.SecureClassLoader.pdcache:Ljava/util/HashMap;
aload 1
invokevirtual java.util.HashMap.get:(Ljava/lang/Object;)Ljava/lang/Object;
checkcast java.security.ProtectionDomain
astore 2
5: aload 2
ifnonnull 12
6: aload 0
aload 1
invokevirtual java.security.SecureClassLoader.getPermissions:(Ljava/security/CodeSource;)Ljava/security/PermissionCollection;
astore 4
start local 4 7: new java.security.ProtectionDomain
dup
aload 1
aload 4
aload 0
aconst_null
invokespecial java.security.ProtectionDomain.<init>:(Ljava/security/CodeSource;Ljava/security/PermissionCollection;Ljava/lang/ClassLoader;[Ljava/security/Principal;)V
astore 2
8: aload 0
getfield java.security.SecureClassLoader.pdcache:Ljava/util/HashMap;
aload 1
aload 2
invokevirtual java.util.HashMap.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
pop
9: getstatic java.security.SecureClassLoader.debug:Lsun/security/util/Debug;
ifnull 12
10: getstatic java.security.SecureClassLoader.debug:Lsun/security/util/Debug;
new java.lang.StringBuilder
dup
ldc " getPermissions "
invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
aload 2
invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
11: getstatic java.security.SecureClassLoader.debug:Lsun/security/util/Debug;
ldc ""
invokevirtual sun.security.util.Debug.println:(Ljava/lang/String;)V
end local 4 12: StackMap locals: java.security.ProtectionDomain java.util.HashMap
StackMap stack:
aload 3
monitorexit
13: goto 16
StackMap locals:
StackMap stack: java.lang.Throwable
14: aload 3
monitorexit
15: athrow
16: StackMap locals:
StackMap stack:
aload 2
areturn
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 17 0 this Ljava/security/SecureClassLoader;
0 17 1 cs Ljava/security/CodeSource;
3 17 2 pd Ljava/security/ProtectionDomain;
7 12 4 perms Ljava/security/PermissionCollection;
Exception table:
from to target type
4 13 14 any
14 15 14 any
MethodParameters:
Name Flags
cs
private void check();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=3, locals=1, args_size=1
start local 0 0: aload 0
getfield java.security.SecureClassLoader.initialized:Z
ifne 2
1: new java.lang.SecurityException
dup
ldc "ClassLoader object not initialized"
invokespecial java.lang.SecurityException.<init>:(Ljava/lang/String;)V
athrow
2: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Ljava/security/SecureClassLoader;
}
SourceFile: "SecureClassLoader.java"