--- /dev/null
+/* ====================================================================
+ * 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/>.
+ */
+
+package org.aspectj.apache.bcel.util;
+
+/**
+ * Implementors should provide access to a ClassLoader instance. The reference can be passed around and cached
+ * but will not cause the code that caches it to have a hard reference to the classloader, so it is easier
+ * to manage the classloader instance. The default implementation will just wrap a classloader object but
+ * more sophisticated implementations could keep a WeakReference to the loader.
+ */
+public interface ClassLoaderReference {
+
+ java.lang.ClassLoader getClassLoader();
+
+}
*
* @see org.aspectj.apache.bcel.Repository
*
- * @version $Id: ClassLoaderRepository.java,v 1.9 2006/10/12 19:58:18 aclement Exp $
+ * @version $Id: ClassLoaderRepository.java,v 1.10 2008/05/27 18:46:34 aclement Exp $
* @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
* @author David Dixon-Peugh
*/
public class ClassLoaderRepository implements Repository {
private static java.lang.ClassLoader bootClassLoader = null;
- private java.lang.ClassLoader loader;
+ private ClassLoaderReference loaderRef;
// Choice of cache...
private WeakHashMap /*<URL,SoftRef(JavaClass)>*/localCache = new WeakHashMap();
private int cacheHitsLocal = 0;
private int missLocalEvicted = 0; // Misses in local cache access due to reference GC
- public ClassLoaderRepository( java.lang.ClassLoader loader ) {
- this.loader = (loader != null) ? loader : getBootClassLoader();
- }
+ public ClassLoaderRepository(java.lang.ClassLoader loader) {
+ this.loaderRef = new DefaultClassLoaderReference((loader != null) ? loader : getBootClassLoader());
+ }
+
+ public ClassLoaderRepository(ClassLoaderReference loaderRef) {
+ this.loaderRef = loaderRef;
+ }
private static synchronized java.lang.ClassLoader getBootClassLoader() {
if (bootClassLoader == null) {
URL url = (URL)nameMap.get(className);
if (url==null) {
String classFile = className.replace('.', '/');
- url = loader.getResource( classFile + ".class" );
+ url = loaderRef.getClassLoader().getResource(classFile + ".class");
nameMap.put(className, url);
}
return url;
try {
// Load it
String classFile = className.replace('.', '/');
- InputStream is = (useSharedCache?url.openStream():loader.getResourceAsStream( classFile + ".class" ));
+ InputStream is = (useSharedCache ? url.openStream() : loaderRef.getClassLoader().getResourceAsStream(classFile + ".class"));
if (is == null) {
throw new ClassNotFoundException(className + " not found "+(url==null?"":"- using url "+url));
}
}
}
-
/**
- * Produce a report on cache usage.
- */
+ * Produce a report on cache usage.
+ */
public String report() {
StringBuffer sb = new StringBuffer();
sb.append("BCEL repository report.");
--- /dev/null
+/* ====================================================================
+ * 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/>.
+ */
+
+package org.aspectj.apache.bcel.util;
+
+/**
+ * Simplistic ClassLoaderReference that merely delegates to a classloader. More sophisticated ones could allow for the
+ * loader to be weakly referenced.
+ *
+ * @author Andy Clement
+ */
+public class DefaultClassLoaderReference implements ClassLoaderReference {
+
+ private java.lang.ClassLoader loader;
+
+ public DefaultClassLoaderReference(java.lang.ClassLoader classLoader) {
+ this.loader = classLoader;
+ }
+
+ public java.lang.ClassLoader getClassLoader() {
+ return loader;
+ }
+
+}
*
* @see org.aspectj.apache.bcel.Repository
*
- * @version $Id: NonCachingClassLoaderRepository.java,v 1.1 2006/10/12 19:58:18 aclement Exp $
+ * @version $Id: NonCachingClassLoaderRepository.java,v 1.2 2008/05/27 18:46:34 aclement Exp $
* @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
* @author David Dixon-Peugh
*
{
private static java.lang.ClassLoader bootClassLoader = null;
- private java.lang.ClassLoader loader;
+ private ClassLoaderReference loaderRef;
private WeakHashMap loadedClasses =
new WeakHashMap(); // CLASSNAME X JAVACLASS
- public NonCachingClassLoaderRepository( java.lang.ClassLoader loader ) {
- this.loader = (loader != null) ? loader : getBootClassLoader();
- }
+ public NonCachingClassLoaderRepository(java.lang.ClassLoader loader) {
+ this.loaderRef = new DefaultClassLoaderReference((loader != null) ? loader : getBootClassLoader());
+ }
+
+ public NonCachingClassLoaderRepository(ClassLoaderReference loaderRef) {
+ this.loaderRef = loaderRef;
+ }
private static synchronized java.lang.ClassLoader getBootClassLoader() {
if (bootClassLoader == null) {
try {
InputStream is =
- loader.getResourceAsStream( classFile + ".class" );
+ loaderRef.getClassLoader().getResourceAsStream(classFile + ".class");
if(is == null) {
throw new ClassNotFoundException(className + " not found.");
projects / aspectj.git / commitdiff