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src/java.xml/share/classes/com/sun/org/apache/bcel/internal/Repository.java
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*** 1,8 ****
/*
! * reserved comment block
! * DO NOT REMOVE OR ALTER!
*/
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
--- 1,7 ----
/*
! * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
*/
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
*** 16,206 ****
* 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.
*/
-
package com.sun.org.apache.bcel.internal;
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; }
}
! /** 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);
}
}
--- 15,234 ----
* 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.
*/
package com.sun.org.apache.bcel.internal;
import com.sun.org.apache.bcel.internal.classfile.JavaClass;
! import com.sun.org.apache.bcel.internal.util.SyntheticRepository;
/**
* 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 SyntheticRepository
*
! * @version $Id: Repository.java 1749603 2016-06-21 20:50:19Z ggregory $
*/
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(final 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
! * @throws ClassNotFoundException if the class could not be found or parsed
! * correctly
*/
! public static JavaClass lookupClass(final String class_name)
! throws ClassNotFoundException {
! return repository.loadClass(class_name);
}
/**
! * Try to find class source using the internal repository instance.
! *
* @see Class
* @return JavaClass object for given runtime class
+ * @throws ClassNotFoundException if the class could not be found or parsed
+ * correctly
*/
! public static JavaClass lookupClass(final Class<?> clazz)
! throws ClassNotFoundException {
! return repository.loadClass(clazz);
}
! /**
! * 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(final JavaClass clazz) {
! final JavaClass old = repository.findClass(clazz.getClassName());
! repository.storeClass(clazz);
return old;
}
/**
* Remove class with given (fully qualified) name from repository.
*/
! public static void removeClass(final String clazz) {
! repository.removeClass(repository.findClass(clazz));
}
/**
* Remove given class from repository.
*/
! public static void removeClass(final JavaClass clazz) {
! repository.removeClass(clazz);
}
/**
! * @return list of super classes of clazz in ascending order, i.e., Object
! * is always the last element
! * @throws ClassNotFoundException if any of the superclasses can't be found
*/
! public static JavaClass[] getSuperClasses(final JavaClass clazz) throws ClassNotFoundException {
return clazz.getSuperClasses();
}
/**
! * @return list of super classes of clazz in ascending order, i.e., Object
! * is always the last element.
! * @throws ClassNotFoundException if the named class or any of its
! * superclasses can't be found
*/
! public static JavaClass[] getSuperClasses(final String class_name) throws ClassNotFoundException {
! final JavaClass jc = lookupClass(class_name);
! return 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).
! * @throws ClassNotFoundException if any of the class's superclasses or
! * superinterfaces can't be found
*/
! public static JavaClass[] getInterfaces(final JavaClass clazz) throws ClassNotFoundException {
return clazz.getAllInterfaces();
}
/**
! * @return all interfaces implemented by class and its super classes and the
! * interfaces that extend those interfaces, and so on
! * @throws ClassNotFoundException if the named class can't be found, or if
! * any of its superclasses or superinterfaces can't be found
*/
! public static JavaClass[] getInterfaces(final String class_name) throws ClassNotFoundException {
return getInterfaces(lookupClass(class_name));
}
/**
* Equivalent to runtime "instanceof" operator.
+ *
* @return true, if clazz is an instance of super_class
+ * @throws ClassNotFoundException if any superclasses or superinterfaces of
+ * clazz can't be found
*/
! public static boolean instanceOf(final JavaClass clazz, final JavaClass super_class)
! throws ClassNotFoundException {
return clazz.instanceOf(super_class);
}
/**
* @return true, if clazz is an instance of super_class
+ * @throws ClassNotFoundException if either clazz or super_class can't be
+ * found
*/
! public static boolean instanceOf(final String clazz, final String super_class)
! throws ClassNotFoundException {
return instanceOf(lookupClass(clazz), lookupClass(super_class));
}
/**
* @return true, if clazz is an instance of super_class
+ * @throws ClassNotFoundException if super_class can't be found
*/
! public static boolean instanceOf(final JavaClass clazz, final String super_class)
! throws ClassNotFoundException {
return instanceOf(clazz, lookupClass(super_class));
}
/**
* @return true, if clazz is an instance of super_class
+ * @throws ClassNotFoundException if clazz can't be found
*/
! public static boolean instanceOf(final String clazz, final JavaClass super_class)
! throws ClassNotFoundException {
return instanceOf(lookupClass(clazz), super_class);
}
/**
* @return true, if clazz is an implementation of interface inter
+ * @throws ClassNotFoundException if any superclasses or superinterfaces of
+ * clazz can't be found
*/
! public static boolean implementationOf(final JavaClass clazz, final JavaClass inter)
! throws ClassNotFoundException {
return clazz.implementationOf(inter);
}
/**
* @return true, if clazz is an implementation of interface inter
+ * @throws ClassNotFoundException if clazz, inter, or any superclasses or
+ * superinterfaces of clazz can't be found
*/
! public static boolean implementationOf(final String clazz, final String inter)
! throws ClassNotFoundException {
return implementationOf(lookupClass(clazz), lookupClass(inter));
}
/**
* @return true, if clazz is an implementation of interface inter
+ * @throws ClassNotFoundException if inter or any superclasses or
+ * superinterfaces of clazz can't be found
*/
! public static boolean implementationOf(final JavaClass clazz, final String inter)
! throws ClassNotFoundException {
return implementationOf(clazz, lookupClass(inter));
}
/**
* @return true, if clazz is an implementation of interface inter
+ * @throws ClassNotFoundException if clazz or any superclasses or
+ * superinterfaces of clazz can't be found
*/
! public static boolean implementationOf(final String clazz, final JavaClass inter)
! throws ClassNotFoundException {
return implementationOf(lookupClass(clazz), inter);
}
}
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