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Diffstat (limited to 'src/com/sun/org/apache/xalan/internal/utils/ObjectFactory.java')
-rw-r--r--src/com/sun/org/apache/xalan/internal/utils/ObjectFactory.java221
1 files changed, 0 insertions, 221 deletions
diff --git a/src/com/sun/org/apache/xalan/internal/utils/ObjectFactory.java b/src/com/sun/org/apache/xalan/internal/utils/ObjectFactory.java
deleted file mode 100644
index 8e82969..0000000
--- a/src/com/sun/org/apache/xalan/internal/utils/ObjectFactory.java
+++ /dev/null
@@ -1,221 +0,0 @@
-/*
- * reserved comment block
- * DO NOT REMOVE OR ALTER!
- */
-/*
- * Copyright 2001-2004 The Apache Software Foundation.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/*
- * $Id: ObjectFactory.java,v 1.2.4.1 2005/09/15 02:39:54 jeffsuttor Exp $
- */
-
-package com.sun.org.apache.xalan.internal.utils;
-
-/**
- * This class is duplicated for each JAXP subpackage so keep it in sync.
- * It is package private and therefore is not exposed as part of the JAXP
- * API.
- * <p>
- * This class was moved from the <code>javax.xml.parsers.ObjectFactory</code>
- * class and modified to be used as a general utility for creating objects
- * dynamically.
- *
- * @version $Id: ObjectFactory.java,v 1.11 2010-11-01 04:34:25 joehw Exp $
- */
-public class ObjectFactory {
-
- //
- // Constants
- //
- private static final String JAXP_INTERNAL = "com.sun.org.apache";
- private static final String STAX_INTERNAL = "com.sun.xml.internal";
-
- /** Set to true for debugging */
- private static final boolean DEBUG = false;
-
-
- /** Prints a message to standard error if debugging is enabled. */
- private static void debugPrintln(String msg) {
- if (DEBUG) {
- System.err.println("JAXP: " + msg);
- }
- } // debugPrintln(String)
-
- /**
- * Figure out which ClassLoader to use. For JDK 1.2 and later use
- * the context ClassLoader.
- */
- public static ClassLoader findClassLoader()
- {
- if (System.getSecurityManager()!=null) {
- //this will ensure bootclassloader is used
- return null;
- }
-
- // Figure out which ClassLoader to use for loading the provider
- // class. If there is a Context ClassLoader then use it.
- ClassLoader context = SecuritySupport.getContextClassLoader();
- ClassLoader system = SecuritySupport.getSystemClassLoader();
-
- ClassLoader chain = system;
- while (true) {
- if (context == chain) {
- // Assert: we are on JDK 1.1 or we have no Context ClassLoader
- // or any Context ClassLoader in chain of system classloader
- // (including extension ClassLoader) so extend to widest
- // ClassLoader (always look in system ClassLoader if Xalan
- // is in boot/extension/system classpath and in current
- // ClassLoader otherwise); normal classloaders delegate
- // back to system ClassLoader first so this widening doesn't
- // change the fact that context ClassLoader will be consulted
- ClassLoader current = ObjectFactory.class.getClassLoader();
-
- chain = system;
- while (true) {
- if (current == chain) {
- // Assert: Current ClassLoader in chain of
- // boot/extension/system ClassLoaders
- return system;
- }
- if (chain == null) {
- break;
- }
- chain = SecuritySupport.getParentClassLoader(chain);
- }
-
- // Assert: Current ClassLoader not in chain of
- // boot/extension/system ClassLoaders
- return current;
- }
-
- if (chain == null) {
- // boot ClassLoader reached
- break;
- }
-
- // Check for any extension ClassLoaders in chain up to
- // boot ClassLoader
- chain = SecuritySupport.getParentClassLoader(chain);
- }
-
- // Assert: Context ClassLoader not in chain of
- // boot/extension/system ClassLoaders
- return context;
- } // findClassLoader():ClassLoader
-
- /**
- * Create an instance of a class using the same class loader for the ObjectFactory by default
- * or boot class loader when Security Manager is in place
- */
- public static Object newInstance(String className, boolean doFallback)
- throws ConfigurationError
- {
- if (System.getSecurityManager()!=null) {
- return newInstance(className, null, doFallback);
- } else {
- return newInstance(className,
- findClassLoader (), doFallback);
- }
- }
-
- /**
- * Create an instance of a class using the specified ClassLoader
- */
- static Object newInstance(String className, ClassLoader cl,
- boolean doFallback)
- throws ConfigurationError
- {
- // assert(className != null);
- try{
- Class providerClass = findProviderClass(className, cl, doFallback);
- Object instance = providerClass.newInstance();
- if (DEBUG) debugPrintln("created new instance of " + providerClass +
- " using ClassLoader: " + cl);
- return instance;
- } catch (ClassNotFoundException x) {
- throw new ConfigurationError(
- "Provider " + className + " not found", x);
- } catch (Exception x) {
- throw new ConfigurationError(
- "Provider " + className + " could not be instantiated: " + x,
- x);
- }
- }
-
- /**
- * Find a Class using the same class loader for the ObjectFactory by default
- * or boot class loader when Security Manager is in place
- */
- public static Class<?> findProviderClass(String className, boolean doFallback)
- throws ClassNotFoundException, ConfigurationError
- {
- return findProviderClass (className,
- findClassLoader (), doFallback);
- }
-
- /**
- * Find a Class using the specified ClassLoader
- */
- private static Class<?> findProviderClass(String className, ClassLoader cl,
- boolean doFallback)
- throws ClassNotFoundException, ConfigurationError
- {
- //throw security exception if the calling thread is not allowed to access the
- //class. Restrict the access to the package classes as specified in java.security policy.
- SecurityManager security = System.getSecurityManager();
- try{
- if (security != null){
- if (className.startsWith(JAXP_INTERNAL) ||
- className.startsWith(STAX_INTERNAL)) {
- cl = null;
- } else {
- final int lastDot = className.lastIndexOf(".");
- String packageName = className;
- if (lastDot != -1) packageName = className.substring(0, lastDot);
- security.checkPackageAccess(packageName);
- }
- }
- }catch(SecurityException e){
- throw e;
- }
-
- Class<?> providerClass;
- if (cl == null) {
- providerClass = Class.forName(className, false, ObjectFactory.class.getClassLoader());
- } else {
- try {
- providerClass = cl.loadClass(className);
- } catch (ClassNotFoundException x) {
- if (doFallback) {
- // Fall back to current classloader
- ClassLoader current = ObjectFactory.class.getClassLoader();
- if (current == null) {
- providerClass = Class.forName(className);
- } else if (cl != current) {
- cl = current;
- providerClass = cl.loadClass(className);
- } else {
- throw x;
- }
- } else {
- throw x;
- }
- }
- }
-
- return providerClass;
- }
-
-} // class ObjectFactory
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-25 02:59:35 +0000