--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/java.xml/share/classes/com/sun/org/apache/bcel/internal/Repository.java Sun Aug 17 15:51:56 2014 +0100
@@ -0,0 +1,250 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+package com.sun.org.apache.bcel.internal;
+
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2001 The Apache Software Foundation. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ * if any, must include the following acknowledgment:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowledgment may appear in the software itself,
+ * if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Apache" and "Apache Software Foundation" and
+ * "Apache BCEL" must not be used to endorse or promote products
+ * derived from this software without prior written permission. For
+ * written permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ * "Apache BCEL", nor may "Apache" appear in their name, without
+ * prior written permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+import com.sun.org.apache.bcel.internal.classfile.JavaClass;
+import com.sun.org.apache.bcel.internal.util.*;
+import java.io.*;
+
+/**
+ * The repository maintains informations about class interdependencies, e.g.,
+ * whether a class is a sub-class of another. Delegates actual class loading
+ * to SyntheticRepository with current class path by default.
+ *
+ * @see com.sun.org.apache.bcel.internal.util.Repository
+ * @see com.sun.org.apache.bcel.internal.util.SyntheticRepository
+ *
+ * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
+ */
+public abstract class Repository {
+ private static com.sun.org.apache.bcel.internal.util.Repository _repository =
+ SyntheticRepository.getInstance();
+
+ /** @return currently used repository instance
+ */
+ public static com.sun.org.apache.bcel.internal.util.Repository getRepository() {
+ return _repository;
+ }
+
+ /** Set repository instance to be used for class loading
+ */
+ public static void setRepository(com.sun.org.apache.bcel.internal.util.Repository rep) {
+ _repository = rep;
+ }
+
+ /** Lookup class somewhere found on your CLASSPATH, or whereever the
+ * repository instance looks for it.
+ *
+ * @return class object for given fully qualified class name, or null
+ * if the class could not be found or parsed correctly
+ */
+ public static JavaClass lookupClass(String class_name) {
+ try {
+ JavaClass clazz = _repository.findClass(class_name);
+
+ if(clazz == null) {
+ return _repository.loadClass(class_name);
+ } else {
+ return clazz;
+ }
+ } catch(ClassNotFoundException ex) { return null; }
+ }
+
+ /**
+ * Try to find class source via getResourceAsStream().
+ * @see Class
+ * @return JavaClass object for given runtime class
+ */
+ public static JavaClass lookupClass(Class clazz) {
+ try {
+ return _repository.loadClass(clazz);
+ } catch(ClassNotFoundException ex) { return null; }
+ }
+
+ /** @return class file object for given Java class.
+ */
+ public static ClassPath.ClassFile lookupClassFile(String class_name) {
+ try {
+ return ClassPath.SYSTEM_CLASS_PATH.getClassFile(class_name);
+ } catch(IOException e) { return null; }
+ }
+
+ /** Clear the repository.
+ */
+ public static void clearCache() {
+ _repository.clear();
+ }
+
+ /**
+ * Add clazz to repository if there isn't an equally named class already in there.
+ *
+ * @return old entry in repository
+ */
+ public static JavaClass addClass(JavaClass clazz) {
+ JavaClass old = _repository.findClass(clazz.getClassName());
+ _repository.storeClass(clazz);
+ return old;
+ }
+
+ /**
+ * Remove class with given (fully qualified) name from repository.
+ */
+ public static void removeClass(String clazz) {
+ _repository.removeClass(_repository.findClass(clazz));
+ }
+
+ /**
+ * Remove given class from repository.
+ */
+ public static void removeClass(JavaClass clazz) {
+ _repository.removeClass(clazz);
+ }
+
+ /**
+ * @return list of super classes of clazz in ascending order, i.e.,
+ * Object is always the last element
+ */
+ public static JavaClass[] getSuperClasses(JavaClass clazz) {
+ return clazz.getSuperClasses();
+ }
+
+ /**
+ * @return list of super classes of clazz in ascending order, i.e.,
+ * Object is always the last element. return "null", if class
+ * cannot be found.
+ */
+ public static JavaClass[] getSuperClasses(String class_name) {
+ JavaClass jc = lookupClass(class_name);
+ return (jc == null? null : getSuperClasses(jc));
+ }
+
+ /**
+ * @return all interfaces implemented by class and its super
+ * classes and the interfaces that those interfaces extend, and so on.
+ * (Some people call this a transitive hull).
+ */
+ public static JavaClass[] getInterfaces(JavaClass clazz) {
+ return clazz.getAllInterfaces();
+ }
+
+ /**
+ * @return all interfaces implemented by class and its super
+ * classes and the interfaces that extend those interfaces, and so on
+ */
+ public static JavaClass[] getInterfaces(String class_name) {
+ return getInterfaces(lookupClass(class_name));
+ }
+
+ /**
+ * Equivalent to runtime "instanceof" operator.
+ * @return true, if clazz is an instance of super_class
+ */
+ public static boolean instanceOf(JavaClass clazz, JavaClass super_class) {
+ return clazz.instanceOf(super_class);
+ }
+
+ /**
+ * @return true, if clazz is an instance of super_class
+ */
+ public static boolean instanceOf(String clazz, String super_class) {
+ return instanceOf(lookupClass(clazz), lookupClass(super_class));
+ }
+
+ /**
+ * @return true, if clazz is an instance of super_class
+ */
+ public static boolean instanceOf(JavaClass clazz, String super_class) {
+ return instanceOf(clazz, lookupClass(super_class));
+ }
+
+ /**
+ * @return true, if clazz is an instance of super_class
+ */
+ public static boolean instanceOf(String clazz, JavaClass super_class) {
+ return instanceOf(lookupClass(clazz), super_class);
+ }
+
+ /**
+ * @return true, if clazz is an implementation of interface inter
+ */
+ public static boolean implementationOf(JavaClass clazz, JavaClass inter) {
+ return clazz.implementationOf(inter);
+ }
+
+ /**
+ * @return true, if clazz is an implementation of interface inter
+ */
+ public static boolean implementationOf(String clazz, String inter) {
+ return implementationOf(lookupClass(clazz), lookupClass(inter));
+ }
+
+ /**
+ * @return true, if clazz is an implementation of interface inter
+ */
+ public static boolean implementationOf(JavaClass clazz, String inter) {
+ return implementationOf(clazz, lookupClass(inter));
+ }
+
+ /**
+ * @return true, if clazz is an implementation of interface inter
+ */
+ public static boolean implementationOf(String clazz, JavaClass inter) {
+ return implementationOf(lookupClass(clazz), inter);
+ }
+}