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Posted to scm@geronimo.apache.org by ad...@apache.org on 2006/08/28 08:14:50 UTC
svn commit: r437551 [1/2] - in /geronimo/xbean/trunk: ./ xbean-classloader/
xbean-classloader/src/
xbean-classloader/src/main/java/org/apache/xbean/classloader/
xbean-classloader/src/main/java/org/apache/xbean/server/classloader/
xbean-classloader/src/...
Author: adc
Date: Sun Aug 27 23:14:47 2006
New Revision: 437551
URL: http://svn.apache.org/viewvc?rev=437551&view=rev
Log:
XBEAN-45 Move classloaders to their own module
Added:
geronimo/xbean/trunk/xbean-classloader/
- copied from r437430, geronimo/xbean/trunk/xbean-server/
geronimo/xbean/trunk/xbean-classloader/LICENSE.txt
- copied unchanged from r437542, geronimo/xbean/trunk/xbean-server/LICENSE.txt
geronimo/xbean/trunk/xbean-classloader/NOTICE.txt
- copied unchanged from r437542, geronimo/xbean/trunk/xbean-server/NOTICE.txt
geronimo/xbean/trunk/xbean-classloader/pom.xml
- copied, changed from r437542, geronimo/xbean/trunk/xbean-server/pom.xml
geronimo/xbean/trunk/xbean-classloader/src/
- copied from r437542, geronimo/xbean/trunk/xbean-server/src/
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/AbstractResourceHandle.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/AbstractUrlResourceLocation.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/ClassLoaderUtil.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/DestroyableClassLoader.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/DirectoryResourceHandle.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/DirectoryResourceLocation.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/IoUtil.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarFileClassLoader.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarFileUrlConnection.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarFileUrlStreamHandler.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarResourceHandle.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarResourceLocation.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/MultiParentClassLoader.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/NamedClassLoader.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/ResourceEnumeration.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/ResourceFinder.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/ResourceHandle.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/ResourceLocation.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/ThreadContextClassLoaderFactoryBean.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/UnionEnumeration.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/UrlResourceFinder.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/test/java/org/apache/xbean/classloader/
geronimo/xbean/trunk/xbean-classloader/src/test/java/org/apache/xbean/classloader/JarFileClassLoaderTest.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/test/java/org/apache/xbean/classloader/MultiParentClassLoaderTest.java (with props)
geronimo/xbean/trunk/xbean-classloader/src/test/java/org/apache/xbean/classloader/UrlResourceFinderTest.java (with props)
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/
- copied from r437542, geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/server/classloader/
geronimo/xbean/trunk/xbean-server/src/test/java/org/apache/xbean/classloader/
- copied from r437542, geronimo/xbean/trunk/xbean-server/src/test/java/org/apache/xbean/server/classloader/
Removed:
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/server/classloader/
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/server/deployer/
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/server/loader/
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/server/main/
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/server/propertyeditor/
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/server/repository/
geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/server/spring/
geronimo/xbean/trunk/xbean-classloader/src/main/resources/META-INF/xbean-bootstrap.xml
geronimo/xbean/trunk/xbean-classloader/src/test/java/org/apache/xbean/server/classloader/
geronimo/xbean/trunk/xbean-classloader/src/test/java/org/apache/xbean/server/deployer/
geronimo/xbean/trunk/xbean-classloader/src/test/java/org/apache/xbean/server/spring/
geronimo/xbean/trunk/xbean-classloader/src/test/repository/
geronimo/xbean/trunk/xbean-classloader/src/test/resources/
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/AbstractResourceHandle.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/AbstractUrlResourceLocation.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/ClassLoaderUtil.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/DestroyableClassLoader.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/DirectoryResourceHandle.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/DirectoryResourceLocation.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/IoUtil.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/JarFileClassLoader.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/JarFileUrlConnection.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/JarFileUrlStreamHandler.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/JarResourceHandle.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/JarResourceLocation.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/MultiParentClassLoader.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/NamedClassLoader.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/ResourceEnumeration.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/ResourceFinder.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/ResourceHandle.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/ResourceLocation.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/ThreadContextClassLoaderFactoryBean.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/UnionEnumeration.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/classloader/UrlResourceFinder.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/server/classloader/
geronimo/xbean/trunk/xbean-server/src/test-data/
geronimo/xbean/trunk/xbean-server/src/test/java/org/apache/xbean/classloader/JarFileClassLoaderTest.java
geronimo/xbean/trunk/xbean-server/src/test/java/org/apache/xbean/classloader/MultiParentClassLoaderTest.java
geronimo/xbean/trunk/xbean-server/src/test/java/org/apache/xbean/classloader/UrlResourceFinderTest.java
geronimo/xbean/trunk/xbean-server/src/test/java/org/apache/xbean/server/classloader/
Modified:
geronimo/xbean/trunk/pom.xml
geronimo/xbean/trunk/xbean-server/pom.xml
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/server/deployer/FileDeployer.java
geronimo/xbean/trunk/xbean-server/src/main/java/org/apache/xbean/server/spring/configuration/ClassLoaderXmlPreprocessor.java
geronimo/xbean/trunk/xbean-server/src/test/java/org/apache/xbean/server/spring/loader/SpringLoaderTest.java
Modified: geronimo/xbean/trunk/pom.xml
URL: http://svn.apache.org/viewvc/geronimo/xbean/trunk/pom.xml?rev=437551&r1=437550&r2=437551&view=diff
==============================================================================
--- geronimo/xbean/trunk/pom.xml (original)
+++ geronimo/xbean/trunk/pom.xml Sun Aug 27 23:14:47 2006
@@ -251,6 +251,7 @@
</build>
<modules>
+ <module>xbean-classloader</module>
<module>xbean-classpath</module>
<module>xbean-kernel</module>
<module>xbean-osgi</module>
Copied: geronimo/xbean/trunk/xbean-classloader/pom.xml (from r437542, geronimo/xbean/trunk/xbean-server/pom.xml)
URL: http://svn.apache.org/viewvc/geronimo/xbean/trunk/xbean-classloader/pom.xml?p2=geronimo/xbean/trunk/xbean-classloader/pom.xml&p1=geronimo/xbean/trunk/xbean-server/pom.xml&r1=437542&r2=437551&rev=437551&view=diff
==============================================================================
--- geronimo/xbean/trunk/xbean-server/pom.xml (original)
+++ geronimo/xbean/trunk/xbean-classloader/pom.xml Sun Aug 27 23:14:47 2006
@@ -20,7 +20,8 @@
<!-- $Rev: 432962 $ $Date: 2006-08-20 03:47:39 -0700 (Sun, 20 Aug 2006) $ -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
@@ -30,41 +31,9 @@
<version>2.6-SNAPSHOT</version>
</parent>
- <artifactId>xbean-server</artifactId>
- <name>XBean :: Server</name>
-
- <dependencies>
-
- <dependency>
- <groupId>org.apache.xbean</groupId>
- <artifactId>xbean-spring</artifactId>
- <version>${pom.version}</version>
- </dependency>
-
- <dependency>
- <groupId>org.apache.xbean</groupId>
- <artifactId>xbean-kernel</artifactId>
- <version>${pom.version}</version>
- </dependency>
-
- <dependency>
- <groupId>mx4j</groupId>
- <artifactId>mx4j</artifactId>
- <optional>true</optional>
- </dependency>
-
- <dependency>
- <groupId>commons-logging</groupId>
- <artifactId>commons-logging</artifactId>
- </dependency>
-
- <dependency>
- <groupId>cglib</groupId>
- <artifactId>cglib-nodep</artifactId>
- <scope>test</scope>
- </dependency>
-
- </dependencies>
+ <artifactId>xbean-classloader</artifactId>
+ <name>XBean :: Classloader</name>
+ <version>2.6-SNAPSHOT</version>
<build>
<plugins>
@@ -87,10 +56,21 @@
</execution>
</executions>
<configuration>
- <namespace>http://xbean.apache.org/schemas/server</namespace>
+ <namespace>http://xbean.apache.org/schemas/classloader</namespace>
</configuration>
</plugin>
</plugins>
</build>
+ <dependencies>
+ <dependency>
+ <groupId>cglib</groupId>
+ <artifactId>cglib-nodep</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.springframework</groupId>
+ <artifactId>spring</artifactId>
+ </dependency>
+ </dependencies>
</project>
Added: geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/AbstractResourceHandle.java
URL: http://svn.apache.org/viewvc/geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/AbstractResourceHandle.java?rev=437551&view=auto
==============================================================================
--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/AbstractResourceHandle.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/AbstractResourceHandle.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,63 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.security.cert.Certificate;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public abstract class AbstractResourceHandle implements ResourceHandle {
+ public byte[] getBytes() throws IOException {
+ InputStream in = getInputStream();
+ try {
+ byte[] bytes = IoUtil.getBytes(in);
+ return bytes;
+ } finally {
+ IoUtil.close(in);
+ }
+ }
+
+ public Manifest getManifest() throws IOException {
+ return null;
+ }
+
+ public Certificate[] getCertificates() {
+ return null;
+ }
+
+ public Attributes getAttributes() throws IOException {
+ Manifest m = getManifest();
+ if (m == null) {
+ return null;
+ }
+
+ String entry = getUrl().getFile();
+ return m.getAttributes(entry);
+ }
+
+ public void close() {
+ }
+
+ public String toString() {
+ return "[" + getName() + ": " + getUrl() + "; code source: " + getCodeSourceUrl() + "]";
+ }
+}
Propchange: geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/AbstractResourceHandle.java
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Added: geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/AbstractUrlResourceLocation.java
URL: http://svn.apache.org/viewvc/geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/AbstractUrlResourceLocation.java?rev=437551&view=auto
==============================================================================
--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/AbstractUrlResourceLocation.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/AbstractUrlResourceLocation.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,53 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+import java.net.URL;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public abstract class AbstractUrlResourceLocation implements ResourceLocation {
+ private final URL codeSource;
+
+ public AbstractUrlResourceLocation(URL codeSource) {
+ this.codeSource = codeSource;
+ }
+
+ public final URL getCodeSource() {
+ return codeSource;
+ }
+
+ public void close() {
+ }
+
+ public final boolean equals(Object o) {
+ if (this == o) return true;
+ if (o == null || getClass() != o.getClass()) return false;
+
+ AbstractUrlResourceLocation that = (AbstractUrlResourceLocation) o;
+ return codeSource.equals(that.codeSource);
+ }
+
+ public final int hashCode() {
+ return codeSource.hashCode();
+ }
+
+ public final String toString() {
+ return "[" + getClass().getName() + ": " + codeSource + "]";
+ }
+}
Propchange: geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/AbstractUrlResourceLocation.java
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Added: geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/ClassLoaderUtil.java
URL: http://svn.apache.org/viewvc/geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/ClassLoaderUtil.java?rev=437551&view=auto
==============================================================================
--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/ClassLoaderUtil.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/ClassLoaderUtil.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,91 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+import java.util.Map;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.beans.Introspector;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.ObjectStreamClass;
+
+/**
+ * Utility methods for class loader manipulation in a server environment.
+ *
+ * @author Dain Sundstrom
+ * @version $Id$
+ * @since 2.0
+ */
+public final class ClassLoaderUtil {
+ private ClassLoaderUtil() {
+ }
+
+ /**
+ * Cleans well known class loader leaks in VMs and libraries. There is a lot of bad code out there and this method
+ * will clear up the know problems. This method should only be called when the class loader will no longer be used.
+ * It this method is called two often it can have a serious impact on preformance.
+ * @param classLoader the class loader to destroy
+ */
+ public static void destroy(ClassLoader classLoader) {
+ releaseCommonsLoggingCache(classLoader);
+ clearSunSoftCache(ObjectInputStream.class, "subclassAudits");
+ clearSunSoftCache(ObjectOutputStream.class, "subclassAudits");
+ clearSunSoftCache(ObjectStreamClass.class, "localDescs");
+ clearSunSoftCache(ObjectStreamClass.class, "reflectors");
+ Introspector.flushCaches();
+ }
+
+ /**
+ * Clears the caches maintained by the SunVM object stream implementation. This method uses reflection and
+ * setAccessable to obtain access to the Sun cache. The cache is locked with a synchronize monitor and cleared.
+ * This method completely clears the class loader cache which will impact preformance of object serialization.
+ * @param clazz the name of the class containing the cache field
+ * @param fieldName the name of the cache field
+ */
+ public static void clearSunSoftCache(Class clazz, String fieldName) {
+ Map cache = null;
+ try {
+ Field field = clazz.getDeclaredField(fieldName);
+ field.setAccessible(true);
+ cache = (Map) field.get(null);
+ } catch (Throwable ignored) {
+ // there is nothing a user could do about this anyway
+ }
+
+ if (cache != null) {
+ synchronized (cache) {
+ cache.clear();
+ }
+ }
+ }
+
+ /**
+ * Releases the specified classloader from the Apache Jakarta Commons Logging class loader cache using reflection.
+ * @param classLoader the class loader to release
+ */
+ public static void releaseCommonsLoggingCache(ClassLoader classLoader) {
+ try {
+ Class logFactory = classLoader.loadClass("org.apache.commons.logging.LogFactory");
+ Method release = logFactory.getMethod("release", new Class[] {ClassLoader.class});
+ release.invoke(null, new Object[] {classLoader});
+ } catch (Throwable ignored) {
+ // there is nothing a user could do about this anyway
+ }
+ }
+
+}
Propchange: geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/ClassLoaderUtil.java
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Added: geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/DestroyableClassLoader.java
URL: http://svn.apache.org/viewvc/geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/DestroyableClassLoader.java?rev=437551&view=auto
==============================================================================
--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/DestroyableClassLoader.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/DestroyableClassLoader.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,33 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+/**
+ * DestroyableClassLoader is a mixin interface for a ClassLoader that add a destroy method to propertly cleanup a
+ * classloader then dereferenced by the server.
+ *
+ * @author Dain Sundstrom
+ * @version $Id$
+ * @since 2.0
+ */
+public interface DestroyableClassLoader {
+ /**
+ * Destroys the clasloader releasing all resources. After this mehtod is called, the class loader will no longer
+ * load any classes or resources.
+ */
+ void destroy();
+}
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==============================================================================
--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/DirectoryResourceHandle.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/DirectoryResourceHandle.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,97 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.net.URL;
+import java.net.MalformedURLException;
+import java.security.cert.Certificate;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class DirectoryResourceHandle extends AbstractResourceHandle {
+ private final String name;
+ private final File file;
+ private final Manifest manifest;
+ private final URL url;
+ private final URL codeSource;
+
+ public DirectoryResourceHandle(String name, File file, File codeSource, Manifest manifest) throws MalformedURLException {
+ this.name = name;
+ this.file = file;
+ this.codeSource = codeSource.toURL();
+ this.manifest = manifest;
+ url = file.toURL();
+ }
+
+ public String getName() {
+ return name;
+ }
+
+ public URL getUrl() {
+ return url;
+ }
+
+ public URL getCodeSourceUrl() {
+ return codeSource;
+ }
+
+ public boolean isDirectory() {
+ return file.isDirectory();
+ }
+
+ public InputStream getInputStream() throws IOException {
+ if (file.isDirectory()) {
+ return new IoUtil.EmptyInputStream();
+ }
+ return new FileInputStream(file);
+ }
+
+ public int getContentLength() {
+ if (file.isDirectory() || file.length() > Integer.MAX_VALUE) {
+ return -1;
+ } else {
+ return (int) file.length();
+ }
+ }
+
+ public Manifest getManifest() throws IOException {
+ return manifest;
+ }
+
+ public Attributes getAttributes() throws IOException {
+ if (manifest == null) {
+ return null;
+ }
+ return manifest.getAttributes(getName());
+ }
+
+ /**
+ * Always return null. This could be implementd by verifing the signatures
+ * in the manifest file against the actual file, but we don't need this right now.
+ * @return null
+ */
+ public Certificate[] getCertificates() {
+ return null;
+ }
+}
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--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/DirectoryResourceLocation.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/DirectoryResourceLocation.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,79 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.util.jar.Manifest;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class DirectoryResourceLocation extends AbstractUrlResourceLocation {
+ private final File baseDir;
+ private boolean manifestLoaded = false;
+ private Manifest manifest;
+
+ public DirectoryResourceLocation(File baseDir) throws MalformedURLException {
+ super(baseDir.toURL());
+ this.baseDir = baseDir;
+ }
+
+ public ResourceHandle getResourceHandle(String resourceName) {
+ File file = new File(baseDir, resourceName);
+ if (!file.exists()) {
+ return null;
+ }
+
+ try {
+ ResourceHandle resourceHandle = new DirectoryResourceHandle(resourceName, file, baseDir, getManifestSafe());
+ return resourceHandle;
+ } catch (MalformedURLException e) {
+ return null;
+ }
+ }
+
+ public Manifest getManifest() throws IOException {
+ if (!manifestLoaded) {
+ File manifestFile = new File(baseDir, "META-INF/MANIFEST.MF");
+
+ if (manifestFile.isFile() && manifestFile.canRead()) {
+ FileInputStream in = null;
+ try {
+ in = new FileInputStream(manifestFile);
+ manifest = new Manifest(in);
+ } finally {
+ IoUtil.close(in);
+ }
+ }
+ manifestLoaded = true;
+ }
+ return manifest;
+ }
+
+ private Manifest getManifestSafe() {
+ Manifest manifest = null;
+ try {
+ manifest = getManifest();
+ } catch (IOException e) {
+ // ignore
+ }
+ return manifest;
+ }
+}
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==============================================================================
--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/IoUtil.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/IoUtil.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,145 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.io.Writer;
+import java.util.jar.JarFile;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public final class IoUtil {
+ private IoUtil() {
+ }
+
+ public static byte[] getBytes(InputStream inputStream) throws IOException {
+ try {
+ byte[] buffer = new byte[4096];
+ ByteArrayOutputStream out = new ByteArrayOutputStream();
+ for (int count = inputStream.read(buffer); count >= 0; count = inputStream.read(buffer)) {
+ out.write(buffer, 0, count);
+ }
+ byte[] bytes = out.toByteArray();
+ return bytes;
+ } finally {
+ close(inputStream);
+ }
+ }
+
+ public static void flush(OutputStream thing) {
+ if (thing != null) {
+ try {
+ thing.flush();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static void flush(Writer thing) {
+ if (thing != null) {
+ try {
+ thing.flush();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static void close(JarFile thing) {
+ if (thing != null) {
+ try {
+ thing.close();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static void close(InputStream thing) {
+ if (thing != null) {
+ try {
+ thing.close();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static void close(OutputStream thing) {
+ if (thing != null) {
+ try {
+ thing.close();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static void close(Reader thing) {
+ if (thing != null) {
+ try {
+ thing.close();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static void close(Writer thing) {
+ if (thing != null) {
+ try {
+ thing.close();
+ } catch(Exception ignored) {
+ }
+ }
+ }
+
+ public static final class EmptyInputStream extends InputStream {
+ public int read() {
+ return -1;
+ }
+
+ public int read(byte b[]) {
+ return -1;
+ }
+
+ public int read(byte b[], int off, int len) {
+ return -1;
+ }
+
+ public long skip(long n) {
+ return 0;
+ }
+
+ public int available() {
+ return 0;
+ }
+
+ public void close() {
+ }
+
+ public synchronized void mark(int readlimit) {
+ }
+
+ public synchronized void reset() {
+ }
+
+ public boolean markSupported() {
+ return false;
+ }
+ }
+}
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Added: geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarFileClassLoader.java
URL: http://svn.apache.org/viewvc/geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarFileClassLoader.java?rev=437551&view=auto
==============================================================================
--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarFileClassLoader.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarFileClassLoader.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,344 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+import java.io.IOException;
+import java.io.File;
+import java.net.URL;
+import java.net.URI;
+import java.security.AccessControlContext;
+import java.security.AccessController;
+import java.security.CodeSource;
+import java.security.PrivilegedAction;
+import java.security.PrivilegedExceptionAction;
+import java.security.PrivilegedActionException;
+import java.security.cert.Certificate;
+import java.util.Collection;
+import java.util.Enumeration;
+import java.util.jar.Attributes;
+import java.util.jar.Manifest;
+
+/**
+ * The JarFileClassLoader that loads classes and resources from a list of JarFiles. This method is simmilar to URLClassLoader
+ * except it properly closes JarFiles when the classloader is destroyed so that the file read lock will be released, and
+ * the jar file can be modified and deleted.
+ * <p>
+ * Note: This implementation currently does not work reliably on windows, since the jar URL handler included with the Sun JavaVM
+ * holds a read lock on the JarFile, and this lock is not released when the jar url is dereferenced. To fix this a
+ * replacement for the jar url handler must be written.
+ *
+ * @author Dain Sundstrom
+ * @version $Id$
+ * @since 2.0
+ */
+public class JarFileClassLoader extends MultiParentClassLoader {
+ private static final URL[] EMPTY_URLS = new URL[0];
+
+ private final UrlResourceFinder resourceFinder = new UrlResourceFinder();
+ private final AccessControlContext acc;
+
+ /**
+ * Creates a JarFileClassLoader that is a child of the system class loader.
+ * @param name the name of this class loader
+ * @param urls a list of URLs from which classes and resources should be loaded
+ */
+ public JarFileClassLoader(String name, URL[] urls) {
+ super(name, EMPTY_URLS);
+ this.acc = AccessController.getContext();
+ addURLs(urls);
+ }
+
+ /**
+ * Creates a JarFileClassLoader that is a child of the specified class loader.
+ * @param name the name of this class loader
+ * @param urls a list of URLs from which classes and resources should be loaded
+ * @param parent the parent of this class loader
+ */
+ public JarFileClassLoader(String name, URL[] urls, ClassLoader parent) {
+ super(name, EMPTY_URLS, parent);
+ this.acc = AccessController.getContext();
+ addURLs(urls);
+ }
+
+ public JarFileClassLoader(String name, URL[] urls, ClassLoader parent, boolean inverseClassLoading, String[] hiddenClasses, String[] nonOverridableClasses) {
+ super(name, EMPTY_URLS, parent, inverseClassLoading, hiddenClasses, nonOverridableClasses);
+ this.acc = AccessController.getContext();
+ addURLs(urls);
+ }
+
+ /**
+ * Creates a named class loader as a child of the specified parents.
+ * @param name the name of this class loader
+ * @param urls the urls from which this class loader will classes and resources
+ * @param parents the parents of this class loader
+ */
+ public JarFileClassLoader(String name, URL[] urls, ClassLoader[] parents) {
+ super(name, EMPTY_URLS, parents);
+ this.acc = AccessController.getContext();
+ addURLs(urls);
+ }
+
+ public JarFileClassLoader(String name, URL[] urls, ClassLoader[] parents, boolean inverseClassLoading, Collection hiddenClasses, Collection nonOverridableClasses) {
+ super(name, EMPTY_URLS, parents, inverseClassLoading, hiddenClasses, nonOverridableClasses);
+ this.acc = AccessController.getContext();
+ addURLs(urls);
+ }
+
+ public JarFileClassLoader(String name, URL[] urls, ClassLoader[] parents, boolean inverseClassLoading, String[] hiddenClasses, String[] nonOverridableClasses) {
+ super(name, EMPTY_URLS, parents, inverseClassLoading, hiddenClasses, nonOverridableClasses);
+ this.acc = AccessController.getContext();
+ addURLs(urls);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public URL[] getURLs() {
+ return resourceFinder.getUrls();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public void addURL(final URL url) {
+ AccessController.doPrivileged(new PrivilegedAction() {
+ public Object run() {
+ resourceFinder.addUrl(url);
+ return null;
+ }
+ }, acc);
+ }
+
+ /**
+ * Adds an array of urls to the end of this class loader.
+ * @param urls the URLs to add
+ */
+ protected void addURLs(final URL[] urls) {
+ AccessController.doPrivileged(new PrivilegedAction() {
+ public Object run() {
+ resourceFinder.addUrls(urls);
+ return null;
+ }
+ }, acc);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public void destroy() {
+ resourceFinder.destroy();
+ super.destroy();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public URL findResource(final String resourceName) {
+ return (URL) AccessController.doPrivileged(new PrivilegedAction() {
+ public Object run() {
+ return resourceFinder.findResource(resourceName);
+ }
+ }, acc);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public Enumeration findResources(final String resourceName) throws IOException {
+ // todo this is not right
+ // first get the resources from the parent classloaders
+ Enumeration parentResources = super.findResources(resourceName);
+
+ // get the classes from my urls
+ Enumeration myResources = (Enumeration) AccessController.doPrivileged(new PrivilegedAction() {
+ public Object run() {
+ return resourceFinder.findResources(resourceName);
+ }
+ }, acc);
+
+ // join the two together
+ Enumeration resources = new UnionEnumeration(parentResources, myResources);
+ return resources;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ protected String findLibrary(String libraryName) {
+ // if the libraryName is actually a directory it is invalid
+ int pathEnd = libraryName.lastIndexOf('/');
+ if (pathEnd == libraryName.length() - 1) {
+ throw new IllegalArgumentException("libraryName ends with a '/' character: " + libraryName);
+ }
+
+ // get the name if the library file
+ final String resourceName;
+ if (pathEnd < 0) {
+ resourceName = System.mapLibraryName(libraryName);
+ } else {
+ String path = libraryName.substring(0, pathEnd + 1);
+ String file = libraryName.substring(pathEnd + 1);
+ resourceName = path + System.mapLibraryName(file);
+ }
+
+ // get a resource handle to the library
+ ResourceHandle resourceHandle = (ResourceHandle) AccessController.doPrivileged(new PrivilegedAction() {
+ public Object run() {
+ return resourceFinder.getResource(resourceName);
+ }
+ }, acc);
+
+ if (resourceHandle == null) {
+ return null;
+ }
+
+ // the library must be accessable on the file system
+ URL url = resourceHandle.getUrl();
+ if (!"file".equals(url.getProtocol())) {
+ return null;
+ }
+
+ String path = new File(URI.create(url.toString())).getPath();
+ return path;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ protected Class findClass(final String className) throws ClassNotFoundException {
+ try {
+ return (Class) AccessController.doPrivileged(new PrivilegedExceptionAction() {
+ public Object run() throws ClassNotFoundException {
+ // first think check if we are allowed to define the package
+ SecurityManager securityManager = System.getSecurityManager();
+ if (securityManager != null) {
+ String packageName;
+ int packageEnd = className.lastIndexOf('.');
+ if (packageEnd >= 0) {
+ packageName = className.substring(0, packageEnd);
+ securityManager.checkPackageDefinition(packageName);
+ }
+ }
+
+
+ // convert the class name to a file name
+ String resourceName = className.replace('.', '/') + ".class";
+
+ // find the class file resource
+ ResourceHandle resourceHandle = resourceFinder.getResource(resourceName);
+ if (resourceHandle == null) {
+ throw new ClassNotFoundException(className);
+ }
+
+ byte[] bytes;
+ Manifest manifest;
+ try {
+ // get the bytes from the class file
+ bytes = resourceHandle.getBytes();
+
+ // get the manifest for defining the packages
+ manifest = resourceHandle.getManifest();
+ } catch (IOException e) {
+ throw new ClassNotFoundException(className, e);
+ }
+
+ // get the certificates for the code source
+ Certificate[] certificates = resourceHandle.getCertificates();
+
+ // the code source url is used to define the package and as the security context for the class
+ URL codeSourceUrl = resourceHandle.getCodeSourceUrl();
+
+ // define the package (required for security)
+ definePackage(className, codeSourceUrl, manifest);
+
+ // this is the security context of the class
+ CodeSource codeSource = new CodeSource(codeSourceUrl, certificates);
+
+ // load the class into the vm
+ Class clazz = defineClass(className, bytes, 0, bytes.length, codeSource);
+ return clazz;
+ }
+ }, acc);
+ } catch (PrivilegedActionException e) {
+ throw (ClassNotFoundException) e.getException();
+ }
+ }
+
+ private void definePackage(String className, URL jarUrl, Manifest manifest) {
+ int packageEnd = className.lastIndexOf('.');
+ if (packageEnd < 0) {
+ return;
+ }
+
+ String packageName = className.substring(0, packageEnd);
+ String packagePath = packageName.replace('.', '/') + "/";
+
+ Attributes packageAttributes = null;
+ Attributes mainAttributes = null;
+ if (manifest != null) {
+ packageAttributes = manifest.getAttributes(packagePath);
+ mainAttributes = manifest.getMainAttributes();
+ }
+ Package pkg = getPackage(packageName);
+ if (pkg != null) {
+ if (pkg.isSealed()) {
+ if (!pkg.isSealed(jarUrl)) {
+ throw new SecurityException("Package was already sealed with another URL: package=" + packageName + ", url=" + jarUrl);
+ }
+ } else {
+ if (isSealed(packageAttributes, mainAttributes)) {
+ throw new SecurityException("Package was already been loaded and not sealed: package=" + packageName + ", url=" + jarUrl);
+ }
+ }
+ } else {
+ String specTitle = getAttribute(Attributes.Name.SPECIFICATION_TITLE, packageAttributes, mainAttributes);
+ String specVendor = getAttribute(Attributes.Name.SPECIFICATION_VENDOR, packageAttributes, mainAttributes);
+ String specVersion = getAttribute(Attributes.Name.SPECIFICATION_VERSION, packageAttributes, mainAttributes);
+ String implTitle = getAttribute(Attributes.Name.IMPLEMENTATION_TITLE, packageAttributes, mainAttributes);
+ String implVendor = getAttribute(Attributes.Name.IMPLEMENTATION_VENDOR, packageAttributes, mainAttributes);
+ String implVersion = getAttribute(Attributes.Name.IMPLEMENTATION_VERSION, packageAttributes, mainAttributes);
+
+ URL sealBase = null;
+ if (isSealed(packageAttributes, mainAttributes)) {
+ sealBase = jarUrl;
+ }
+
+ definePackage(packageName, specTitle, specVersion, specVendor, implTitle, implVersion, implVendor, sealBase);
+ }
+ }
+
+ private String getAttribute(Attributes.Name name, Attributes packageAttributes, Attributes mainAttributes) {
+ if (packageAttributes != null) {
+ String value = packageAttributes.getValue(name);
+ if (value != null) {
+ return value;
+ }
+ }
+ if (mainAttributes != null) {
+ return mainAttributes.getValue(name);
+ }
+ return null;
+ }
+
+ private boolean isSealed(Attributes packageAttributes, Attributes mainAttributes) {
+ String sealed = getAttribute(Attributes.Name.SEALED, packageAttributes, mainAttributes);
+ if (sealed == null) {
+ return false;
+ }
+ return "true".equalsIgnoreCase(sealed);
+ }
+}
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==============================================================================
--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarFileUrlConnection.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarFileUrlConnection.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,132 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.JarURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.net.URLStreamHandler;
+import java.security.Permission;
+import java.security.cert.Certificate;
+import java.util.jar.Attributes;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+import java.util.jar.Manifest;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JarFileUrlConnection extends JarURLConnection {
+ public static final URL DUMMY_JAR_URL;
+ static {
+ try {
+ DUMMY_JAR_URL = new URL("jar", "", -1, "file:dummy!/", new URLStreamHandler() {
+ protected URLConnection openConnection(URL u) {
+ throw new UnsupportedOperationException();
+ }
+ });
+ } catch (Exception e) {
+ throw new ExceptionInInitializerError(e);
+ }
+ }
+
+ private final URL url;
+ private final JarFile jarFile;
+ private final JarEntry jarEntry;
+ private final URL jarFileUrl;
+
+ public JarFileUrlConnection(URL url, JarFile jarFile, JarEntry jarEntry) throws MalformedURLException {
+ super(DUMMY_JAR_URL);
+
+ if (url == null) throw new NullPointerException("url is null");
+ if (jarFile == null) throw new NullPointerException("jarFile is null");
+ if (jarEntry == null) throw new NullPointerException("jarEntry is null");
+
+ this.url = url;
+ this.jarFile = jarFile;
+ this.jarEntry = jarEntry;
+ jarFileUrl = new File(jarFile.getName()).toURL();
+ }
+
+ public JarFile getJarFile() throws IOException {
+ return jarFile;
+ }
+
+ public synchronized void connect() {
+ }
+
+ public URL getJarFileURL() {
+ return jarFileUrl;
+ }
+
+ public String getEntryName() {
+ return getJarEntry().getName();
+ }
+
+ public Manifest getManifest() throws IOException {
+ return jarFile.getManifest();
+ }
+
+ public JarEntry getJarEntry() {
+ return jarEntry;
+ }
+
+ public Attributes getAttributes() throws IOException {
+ return getJarEntry().getAttributes();
+ }
+
+ public Attributes getMainAttributes() throws IOException {
+ return getManifest().getMainAttributes();
+ }
+
+ public Certificate[] getCertificates() throws IOException {
+ return getJarEntry().getCertificates();
+ }
+
+ public URL getURL() {
+ return url;
+ }
+
+ public int getContentLength() {
+ long size = getJarEntry().getSize();
+ if (size > Integer.MAX_VALUE) {
+ return -1;
+ }
+ return (int) size;
+ }
+
+ public long getLastModified() {
+ return getJarEntry().getTime();
+ }
+
+ public synchronized InputStream getInputStream() throws IOException {
+ return jarFile.getInputStream(jarEntry);
+ }
+
+ public Permission getPermission() throws IOException {
+ URL jarFileUrl = new File(jarFile.getName()).toURL();
+ return jarFileUrl.openConnection().getPermission();
+ }
+
+ public String toString() {
+ return JarFileUrlConnection.class.getName() + ":" + url;
+ }
+}
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==============================================================================
--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarFileUrlStreamHandler.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarFileUrlStreamHandler.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,106 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.FileNotFoundException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLConnection;
+import java.net.URLStreamHandler;
+import java.util.jar.JarEntry;
+import java.util.jar.JarFile;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JarFileUrlStreamHandler extends URLStreamHandler {
+ public static URL createUrl(JarFile jarFile, JarEntry jarEntry) throws MalformedURLException {
+ return createUrl(jarFile, jarEntry, new File(jarFile.getName()).toURL());
+ }
+
+ public static URL createUrl(JarFile jarFile, JarEntry jarEntry, URL codeSource) throws MalformedURLException {
+ JarFileUrlStreamHandler handler = new JarFileUrlStreamHandler(jarFile, jarEntry);
+ URL url = new URL("jar", "", -1, codeSource + "!/" + jarEntry.getName(), handler);
+ handler.setExpectedUrl(url);
+ return url;
+ }
+
+ private URL expectedUrl;
+ private final JarFile jarFile;
+ private final JarEntry jarEntry;
+
+ public JarFileUrlStreamHandler(JarFile jarFile, JarEntry jarEntry) {
+ if (jarFile == null) throw new NullPointerException("jarFile is null");
+ if (jarEntry == null) throw new NullPointerException("jarEntry is null");
+
+ this.jarFile = jarFile;
+ this.jarEntry = jarEntry;
+ }
+
+ public void setExpectedUrl(URL expectedUrl) {
+ if (expectedUrl == null) throw new NullPointerException("expectedUrl is null");
+ this.expectedUrl = expectedUrl;
+ }
+
+ public URLConnection openConnection(URL url) throws IOException {
+ if (expectedUrl == null) throw new IllegalStateException("expectedUrl was not set");
+
+ // the caller copied the URL reusing a stream handler from a previous call
+ if (!expectedUrl.equals(url)) {
+ // the new url is supposed to be within our context, so it must have a jar protocol
+ if (!url.getProtocol().equals("jar")) {
+ throw new IllegalArgumentException("Unsupported protocol " + url.getProtocol());
+ }
+
+ // split the path at "!/" into the file part and entry part
+ String path = url.getPath();
+ String[] chunks = path.split("!/", 2);
+
+ // if we only got only one chunk, it didn't contain the required "!/" delimiter
+ if (chunks.length == 1) {
+ throw new MalformedURLException("Url does not contain a '!' character: " + url);
+ }
+
+ String file = chunks[0];
+ String entryPath = chunks[1];
+
+ // this handler only supports jars on the local file system
+ if (!file.startsWith("file:")) {
+ // let the system handler deal with this
+ return new URL(url.toExternalForm()).openConnection();
+ }
+ file = file.substring("file:".length());
+
+ // again the new url is supposed to be within our context so it must reference the same jar file
+ if (!jarFile.getName().equals(file)) {
+ // let the system handler deal with this
+ return new URL(url.toExternalForm()).openConnection();
+ }
+
+ // get the entry
+ JarEntry newEntry = jarFile.getJarEntry(entryPath);
+ if (newEntry == null) {
+ throw new FileNotFoundException("Entry not found: " + url);
+ }
+ return new JarFileUrlConnection(url, jarFile, newEntry);
+ }
+
+ return new JarFileUrlConnection(url, jarFile, jarEntry);
+ }
+}
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Added: geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarResourceHandle.java
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--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarResourceHandle.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarResourceHandle.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,80 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+import java.util.jar.JarFile;
+import java.util.jar.JarEntry;
+import java.util.jar.Manifest;
+import java.util.jar.Attributes;
+import java.net.URL;
+import java.net.MalformedURLException;
+import java.io.InputStream;
+import java.io.IOException;
+import java.security.cert.Certificate;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JarResourceHandle extends AbstractResourceHandle {
+ private final JarFile jarFile;
+ private final JarEntry jarEntry;
+ private final URL url;
+ private final URL codeSource;
+
+ public JarResourceHandle(JarFile jarFile, JarEntry jarEntry, URL codeSource) throws MalformedURLException {
+ this.jarFile = jarFile;
+ this.jarEntry = jarEntry;
+ this.url = JarFileUrlStreamHandler.createUrl(jarFile, jarEntry, codeSource);
+ this.codeSource = codeSource;
+ }
+
+ public String getName() {
+ return jarEntry.getName();
+ }
+
+ public URL getUrl() {
+ return url;
+ }
+
+ public URL getCodeSourceUrl() {
+ return codeSource;
+ }
+
+ public boolean isDirectory() {
+ return jarEntry.isDirectory();
+ }
+
+ public InputStream getInputStream() throws IOException {
+ return jarFile.getInputStream(jarEntry);
+ }
+
+ public int getContentLength() {
+ return (int) jarEntry.getSize();
+ }
+
+ public Manifest getManifest() throws IOException {
+ return jarFile.getManifest();
+ }
+
+ public Attributes getAttributes() throws IOException {
+ return jarEntry.getAttributes();
+ }
+
+ public Certificate[] getCertificates() {
+ return jarEntry.getCertificates();
+ }
+}
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Added: geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarResourceLocation.java
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==============================================================================
--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarResourceLocation.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/JarResourceLocation.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,56 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+import java.util.jar.Manifest;
+import java.util.jar.JarFile;
+import java.util.jar.JarEntry;
+import java.net.URL;
+import java.net.MalformedURLException;
+import java.io.IOException;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class JarResourceLocation extends AbstractUrlResourceLocation {
+ private final JarFile jarFile;
+
+ public JarResourceLocation(URL codeSource, JarFile jarFile) {
+ super(codeSource);
+ this.jarFile = jarFile;
+ }
+
+ public ResourceHandle getResourceHandle(String resourceName) {
+ JarEntry jarEntry = jarFile.getJarEntry(resourceName);
+ if (jarEntry != null) {
+ try {
+ URL url = new URL(getCodeSource(), resourceName);
+ return new JarResourceHandle(jarFile, jarEntry, getCodeSource());
+ } catch (MalformedURLException e) {
+ }
+ }
+ return null;
+ }
+
+ public Manifest getManifest() throws IOException {
+ return jarFile.getManifest();
+ }
+
+ public void close() {
+ IoUtil.close(jarFile);
+ }
+}
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Added: geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/MultiParentClassLoader.java
URL: http://svn.apache.org/viewvc/geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/MultiParentClassLoader.java?rev=437551&view=auto
==============================================================================
--- geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/MultiParentClassLoader.java (added)
+++ geronimo/xbean/trunk/xbean-classloader/src/main/java/org/apache/xbean/classloader/MultiParentClassLoader.java Sun Aug 27 23:14:47 2006
@@ -0,0 +1,345 @@
+/**
+ * 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.
+ * The ASF licenses this file to You 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.
+ */
+package org.apache.xbean.classloader;
+
+import java.io.IOException;
+import java.net.URL;
+import java.net.URLStreamHandlerFactory;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Enumeration;
+import java.util.List;
+
+/**
+ * A MultiParentClassLoader is a simple extension of the URLClassLoader that simply changes the single parent class
+ * loader model to support a list of parent class loaders. Each operation that accesses a parent, has been replaced
+ * with a operation that checks each parent in order. This getParent method of this class will always return null,
+ * which may be interperated by the calling code to mean that this class loader is a direct child of the system class
+ * loader.
+ *
+ * @author Dain Sundstrom
+ * @version $Id$
+ * @since 2.0
+ */
+public class MultiParentClassLoader extends NamedClassLoader {
+ private final ClassLoader[] parents;
+ private final boolean inverseClassLoading;
+ private final String[] hiddenClasses;
+ private final String[] nonOverridableClasses;
+ private final String[] hiddenResources;
+ private final String[] nonOverridableResources;
+
+ /**
+ * Creates a named class loader with no parents.
+ * @param name the name of this class loader
+ * @param urls the urls from which this class loader will classes and resources
+ */
+ public MultiParentClassLoader(String name, URL[] urls) {
+ this(name, urls, ClassLoader.getSystemClassLoader());
+ }
+
+ /**
+ * Creates a named class loader as a child of the specified parent.
+ * @param name the name of this class loader
+ * @param urls the urls from which this class loader will classes and resources
+ * @param parent the parent of this class loader
+ */
+ public MultiParentClassLoader(String name, URL[] urls, ClassLoader parent) {
+ this(name, urls, new ClassLoader[] {parent});
+ }
+
+ /**
+ * Creates a named class loader as a child of the specified parent and using the specified URLStreamHandlerFactory
+ * for accessing the urls..
+ * @param name the name of this class loader
+ * @param urls the urls from which this class loader will classes and resources
+ * @param parent the parent of this class loader
+ * @param factory the URLStreamHandlerFactory used to access the urls
+ */
+ public MultiParentClassLoader(String name, URL[] urls, ClassLoader parent, URLStreamHandlerFactory factory) {
+ this(name, urls, new ClassLoader[] {parent}, factory);
+ }
+
+ /**
+ * Creates a named class loader as a child of the specified parents.
+ * @param name the name of this class loader
+ * @param urls the urls from which this class loader will classes and resources
+ * @param parents the parents of this class loader
+ */
+ public MultiParentClassLoader(String name, URL[] urls, ClassLoader[] parents) {
+ this(name, urls, parents, false, new String[0], new String[0]);
+ }
+
+ public MultiParentClassLoader(String name, URL[] urls, ClassLoader parent, boolean inverseClassLoading, String[] hiddenClasses, String[] nonOverridableClasses) {
+ this(name, urls, new ClassLoader[]{parent}, inverseClassLoading, hiddenClasses, nonOverridableClasses);
+ }
+
+ /**
+ * Creates a named class loader as a child of the specified parents and using the specified URLStreamHandlerFactory
+ * for accessing the urls..
+ * @param name the name of this class loader
+ * @param urls the urls from which this class loader will classes and resources
+ * @param parents the parents of this class loader
+ * @param factory the URLStreamHandlerFactory used to access the urls
+ */
+ public MultiParentClassLoader(String name, URL[] urls, ClassLoader[] parents, URLStreamHandlerFactory factory) {
+ super(name, urls, null, factory);
+ this.parents = copyParents(parents);
+ this.inverseClassLoading = false;
+ this.hiddenClasses = new String[0];
+ this.nonOverridableClasses = new String[0];
+ this.hiddenResources = new String[0];
+ this.nonOverridableResources = new String[0];
+ }
+
+ public MultiParentClassLoader(String name, URL[] urls, ClassLoader[] parents, boolean inverseClassLoading, Collection hiddenClasses, Collection nonOverridableClasses) {
+ this(name, urls, parents, inverseClassLoading, (String[]) hiddenClasses.toArray(new String[hiddenClasses.size()]), (String[]) nonOverridableClasses.toArray(new String[nonOverridableClasses.size()]));
+ }
+
+ public MultiParentClassLoader(String name, URL[] urls, ClassLoader[] parents, boolean inverseClassLoading, String[] hiddenClasses, String[] nonOverridableClasses) {
+ super(name, urls);
+ this.parents = copyParents(parents);
+ this.inverseClassLoading = inverseClassLoading;
+ this.hiddenClasses = hiddenClasses;
+ this.nonOverridableClasses = nonOverridableClasses;
+ hiddenResources = toResources(hiddenClasses);
+ nonOverridableResources = toResources(nonOverridableClasses);
+ }
+
+ private static String[] toResources(String[] classes) {
+ String[] resources = new String[classes.length];
+ for (int i = 0; i < classes.length; i++) {
+ String className = classes[i];
+ resources[i] = className.replace('.', '/');
+ }
+ return resources;
+ }
+
+ private static ClassLoader[] copyParents(ClassLoader[] parents) {
+ ClassLoader[] newParentsArray = new ClassLoader[parents.length];
+ for (int i = 0; i < parents.length; i++) {
+ ClassLoader parent = parents[i];
+ if (parent == null) {
+ throw new NullPointerException("parent[" + i + "] is null");
+ }
+ newParentsArray[i] = parent;
+ }
+ return newParentsArray;
+ }
+
+ /**
+ * Gets the parents of this class loader.
+ * @return the parents of this class loader
+ */
+ public ClassLoader[] getParents() {
+ return parents;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ protected synchronized Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
+ //
+ // Check if class is in the loaded classes cache
+ //
+ Class cachedClass = findLoadedClass(name);
+ if (cachedClass != null) {
+ return resolveClass(cachedClass, resolve);
+ }
+
+ //
+ // if we are using inverse class loading, check local urls first
+ //
+ if (inverseClassLoading && !isDestroyed() && !isNonOverridableClass(name)) {
+ try {
+ Class clazz = findClass(name);
+ return resolveClass(clazz, resolve);
+ } catch (ClassNotFoundException ignored) {
+ }
+ }
+
+ //
+ // Check parent class loaders
+ //
+ if (!isHiddenClass(name)) {
+ for (int i = 0; i < parents.length; i++) {
+ ClassLoader parent = parents[i];
+ try {
+ Class clazz = parent.loadClass(name);
+ return resolveClass(clazz, resolve);
+ } catch (ClassNotFoundException ignored) {
+ // this parent didn't have the class; try the next one
+ }
+ }
+ }
+
+ //
+ // if we are not using inverse class loading, check local urls now
+ //
+ // don't worry about excluding non-overridable classes here... we
+ // have alredy checked he parent and the parent didn't have the
+ // class, so we can override now
+ if (!isDestroyed()) {
+ try {
+ Class clazz = findClass(name);
+ return resolveClass(clazz, resolve);
+ } catch (ClassNotFoundException ignored) {
+ }
+ }
+
+ throw new ClassNotFoundException(name + " in classloader " + name);
+ }
+
+ private boolean isNonOverridableClass(String name) {
+ for (int i = 0; i < nonOverridableClasses.length; i++) {
+ if (name.startsWith(nonOverridableClasses[i])) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ private boolean isHiddenClass(String name) {
+ for (int i = 0; i < hiddenClasses.length; i++) {
+ if (name.startsWith(hiddenClasses[i])) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ private Class resolveClass(Class clazz, boolean resolve) {
+ if (resolve) {
+ resolveClass(clazz);
+ }
+ return clazz;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public URL getResource(String name) {
+ if (isDestroyed()) {
+ return null;
+ }
+
+ //
+ // if we are using inverse class loading, check local urls first
+ //
+ if (inverseClassLoading && !isDestroyed() && !isNonOverridableResource(name)) {
+ URL url = findResource(name);
+ if (url != null) {
+ return url;
+ }
+ }
+
+ //
+ // Check parent class loaders
+ //
+ if (!isHiddenResource(name)) {
+ for (int i = 0; i < parents.length; i++) {
+ ClassLoader parent = parents[i];
+ URL url = parent.getResource(name);
+ if (url != null) {
+ return url;
+ }
+ }
+ }
+
+ //
+ // if we are not using inverse class loading, check local urls now
+ //
+ // don't worry about excluding non-overridable resources here... we
+ // have alredy checked he parent and the parent didn't have the
+ // resource, so we can override now
+ if (!isDestroyed()) {
+ // parents didn't have the resource; attempt to load it from my urls
+ return findResource(name);
+ }
+
+ return null;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public Enumeration findResources(String name) throws IOException {
+ if (isDestroyed()) {
+ return Collections.enumeration(Collections.EMPTY_SET);
+ }
+
+ List resources = new ArrayList();
+
+ //
+ // if we are using inverse class loading, add the resources from local urls first
+ //
+ if (inverseClassLoading && !isDestroyed()) {
+ List myResources = Collections.list(super.findResources(name));
+ resources.addAll(myResources);
+ }
+
+ //
+ // Add parent resources
+ //
+ for (int i = 0; i < parents.length; i++) {
+ ClassLoader parent = parents[i];
+ List parentResources = Collections.list(parent.getResources(name));
+ resources.addAll(parentResources);
+ }
+
+ //
+ // if we are not using inverse class loading, add the resources from local urls now
+ //
+ if (!inverseClassLoading && !isDestroyed()) {
+ List myResources = Collections.list(super.findResources(name));
+ resources.addAll(myResources);
+ }
+
+ return Collections.enumeration(resources);
+ }
+
+ private boolean isNonOverridableResource(String name) {
+ for (int i = 0; i < nonOverridableResources.length; i++) {
+ if (name.startsWith(nonOverridableResources[i])) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ private boolean isHiddenResource(String name) {
+ for (int i = 0; i < hiddenResources.length; i++) {
+ if (name.startsWith(hiddenResources[i])) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ public String toString() {
+ return "[" + getClass().getName() + ":" +
+ " name=" + getName() +
+ " urls=" + Arrays.asList(getURLs()) +
+ " parents=" + Arrays.asList(parents) +
+ "]";
+ }
+}
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