Fix following problem:
Subject:
another getClassLoader exception
Date:
Tue, 12 Oct 1999 10:39:26 -0400
From:
Andrew Wason <aw@softcom.com>
To:
norris@netscape.com (Norris Boyd)
CC:
Howard Lin <howard@softcom.com>
Norris,
It looks like the classes the optimizer generates call
ScriptRuntime.defineFunction which calls getClassLoader. This throws a
SecurityException.
java.security.AccessControlException: access denied
(java.lang.RuntimePermission getClassLoader )
at
java.security.AccessControlContext.checkPermission(AccessControlContext.java
, Compiled Code)
at java.security.AccessController.checkPermission(AccessController.java,
Compiled Code)
at java.lang.SecurityManager.checkPermission(SecurityManager.java, Compiled
Code)
at java.lang.Class.getClassLoader(Class.java, Compiled Code)
at
org.mozilla.javascript.ScriptRuntime.defineFunction(ScriptRuntime.java:2045)
at org.mozilla.javascript.gen.c5.initScript(order.js)
at org.mozilla.javascript.gen.c5.exec(order.js)
at org.mozilla.javascript.Context.evaluateReader(Context.java:728)
[...]
Andrew
--
Andrew Wason
SoftCom, Inc.
aw@softcom.com
git-svn-id: svn://10.0.0.236/trunk@50514 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
norris%netscape.com
@@ -2033,26 +2033,15 @@ public class ScriptRuntime {
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return scope.getParentScope();
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}
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public static NativeFunction defineFunction(Scriptable scope,
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String className,
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String fnName,
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Object loadingObject,
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Context cx)
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throws ClassNotFoundException
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public static NativeFunction initFunction(NativeFunction fn,
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Scriptable scope,
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String fnName,
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Context cx)
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{
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NativeFunction fn;
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try {
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ClassLoader loader = loadingObject.getClass().getClassLoader();
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Class clazz = (loader == null) ? Class.forName(className)
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: loader.loadClass(className);
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fn = createFunctionObject(scope, clazz, cx);
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}
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catch (ClassNotFoundException e) {
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throw WrappedException.wrapException(e);
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}
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fn.setPrototype(ScriptableObject.getClassPrototype(scope, "Function"));
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fn.setParentScope(scope);
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if (fnName != null && fnName.length() != 0)
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setName(scope, fn, scope, fnName);
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setName(scope, fn, scope, fnName);
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return fn;
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}
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@@ -1395,32 +1395,45 @@ public class Codegen extends Interpreter {
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Node def = (Node) fns.elementAt(i);
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Codegen codegen = new Codegen();
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String fnClassName = codegen.generateCode(def, results, itsNameHelper);
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// initialize a property by that name, and push the object
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// as a result
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addByteCode(ByteCode.NEW, fnClassName);
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addByteCode(ByteCode.DUP);
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if (inFunction) {
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addByteCode(ByteCode.ALOAD_0); // load "this" argument
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} else {
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aload(variableObjectLocal);
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}
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push(fnClassName);
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aload(contextLocal); // load 'cx'
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addSpecialInvoke(fnClassName, "<init>",
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"(Lorg/mozilla/javascript/Scriptable;" +
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"Lorg/mozilla/javascript/Context;)",
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"V");
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// 'fn' still on stack
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// load 'scope'
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if (inFunction) {
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addByteCode(ByteCode.ALOAD_0); // load "this" argument
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} else {
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aload(variableObjectLocal);
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}
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// load 'fnName'
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String str = def.getString();
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if (str != null) {
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push(str);
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} else {
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addByteCode(ByteCode.ACONST_NULL);
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}
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addByteCode(ByteCode.ALOAD_0); // load 'this'
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aload(contextLocal); // load 'cx'
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addScriptRuntimeInvoke("defineFunction",
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"(Lorg/mozilla/javascript/Scriptable;" +
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"Ljava/lang/String;" +
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"Ljava/lang/String;" +
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"Ljava/lang/Object;" +
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"Lorg/mozilla/javascript/Context;)",
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"Lorg/mozilla/javascript/NativeFunction;");
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// load 'cx'
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aload(contextLocal);
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addScriptRuntimeInvoke("initFunction",
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"(Lorg/mozilla/javascript/NativeFunction;" +
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"Lorg/mozilla/javascript/Scriptable;" +
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"Ljava/lang/String;" +
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"Lorg/mozilla/javascript/Context;)",
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"Lorg/mozilla/javascript/NativeFunction;");
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def.putProp(Node.FUNCTION_PROP, new Short(i));
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addByteCode(ByteCode.AASTORE); // store NativeFunction
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// instance to array
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// instance to array
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}
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// add the array as the nestedFunctions field; array should
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@@ -2033,26 +2033,15 @@ public class ScriptRuntime {
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return scope.getParentScope();
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}
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public static NativeFunction defineFunction(Scriptable scope,
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String className,
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String fnName,
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Object loadingObject,
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Context cx)
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throws ClassNotFoundException
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public static NativeFunction initFunction(NativeFunction fn,
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Scriptable scope,
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String fnName,
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Context cx)
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{
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NativeFunction fn;
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try {
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ClassLoader loader = loadingObject.getClass().getClassLoader();
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Class clazz = (loader == null) ? Class.forName(className)
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: loader.loadClass(className);
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fn = createFunctionObject(scope, clazz, cx);
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}
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catch (ClassNotFoundException e) {
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throw WrappedException.wrapException(e);
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}
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fn.setPrototype(ScriptableObject.getClassPrototype(scope, "Function"));
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fn.setParentScope(scope);
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if (fnName != null && fnName.length() != 0)
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setName(scope, fn, scope, fnName);
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setName(scope, fn, scope, fnName);
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return fn;
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}
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@@ -1395,32 +1395,45 @@ public class Codegen extends Interpreter {
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Node def = (Node) fns.elementAt(i);
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Codegen codegen = new Codegen();
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String fnClassName = codegen.generateCode(def, results, itsNameHelper);
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// initialize a property by that name, and push the object
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// as a result
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addByteCode(ByteCode.NEW, fnClassName);
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addByteCode(ByteCode.DUP);
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if (inFunction) {
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addByteCode(ByteCode.ALOAD_0); // load "this" argument
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} else {
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aload(variableObjectLocal);
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}
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push(fnClassName);
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aload(contextLocal); // load 'cx'
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addSpecialInvoke(fnClassName, "<init>",
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"(Lorg/mozilla/javascript/Scriptable;" +
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"Lorg/mozilla/javascript/Context;)",
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"V");
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// 'fn' still on stack
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// load 'scope'
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if (inFunction) {
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addByteCode(ByteCode.ALOAD_0); // load "this" argument
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} else {
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aload(variableObjectLocal);
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}
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// load 'fnName'
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String str = def.getString();
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if (str != null) {
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push(str);
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} else {
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addByteCode(ByteCode.ACONST_NULL);
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}
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addByteCode(ByteCode.ALOAD_0); // load 'this'
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aload(contextLocal); // load 'cx'
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addScriptRuntimeInvoke("defineFunction",
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"(Lorg/mozilla/javascript/Scriptable;" +
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"Ljava/lang/String;" +
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"Ljava/lang/String;" +
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"Ljava/lang/Object;" +
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"Lorg/mozilla/javascript/Context;)",
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"Lorg/mozilla/javascript/NativeFunction;");
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// load 'cx'
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aload(contextLocal);
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addScriptRuntimeInvoke("initFunction",
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"(Lorg/mozilla/javascript/NativeFunction;" +
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"Lorg/mozilla/javascript/Scriptable;" +
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"Ljava/lang/String;" +
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"Lorg/mozilla/javascript/Context;)",
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"Lorg/mozilla/javascript/NativeFunction;");
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def.putProp(Node.FUNCTION_PROP, new Short(i));
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addByteCode(ByteCode.AASTORE); // store NativeFunction
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// instance to array
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// instance to array
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}
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// add the array as the nestedFunctions field; array should
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