OpenJDK / jdk7u / jdk7u-dev / jdk
changeset 6385:c82ed89b21bc jdk7u25-b10
8008744: Rework part of fix for JDK-6741606
Reviewed-by: xuelei, ahgross
author | mullan |
---|---|
date | Wed, 01 May 2013 17:19:04 -0400 |
parents | c448f31eb138 |
children | 55f69873b5b1 |
files | src/share/classes/com/sun/org/apache/xml/internal/security/algorithms/ClassLoaderUtils.java src/share/classes/com/sun/org/apache/xml/internal/security/algorithms/SignatureAlgorithm.java src/share/classes/com/sun/org/apache/xml/internal/security/transforms/ClassLoaderUtils.java src/share/classes/com/sun/org/apache/xml/internal/security/transforms/Transform.java src/share/classes/com/sun/org/apache/xml/internal/security/utils/ClassLoaderUtils.java |
diffstat | 5 files changed, 560 insertions(+), 279 deletions(-) [+] |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/classes/com/sun/org/apache/xml/internal/security/algorithms/ClassLoaderUtils.java Wed May 01 17:19:04 2013 -0400 @@ -0,0 +1,280 @@ +/* + * 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. 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 com.sun.org.apache.xml.internal.security.algorithms; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; +import java.util.ArrayList; +import java.util.Enumeration; +import java.util.List; + +/** + * This class is extremely useful for loading resources and classes in a fault + * tolerant manner that works across different applications servers. Do not + * touch this unless you're a grizzled classloading guru veteran who is going to + * verify any change on 6 different application servers. + */ +// NOTE! This is a duplicate of utils.ClassLoaderUtils with public +// modifiers changed to package-private. Make sure to integrate any future +// changes to utils.ClassLoaderUtils to this file. +final class ClassLoaderUtils { + + /** {@link org.apache.commons.logging} logging facility */ + private static final java.util.logging.Logger log = + java.util.logging.Logger.getLogger(ClassLoaderUtils.class.getName()); + + private ClassLoaderUtils() { + } + + /** + * Load a given resource. <p/> This method will try to load the resource + * using the following methods (in order): + * <ul> + * <li>From Thread.currentThread().getContextClassLoader() + * <li>From ClassLoaderUtil.class.getClassLoader() + * <li>callingClass.getClassLoader() + * </ul> + * + * @param resourceName The name of the resource to load + * @param callingClass The Class object of the calling object + */ + static URL getResource(String resourceName, Class<?> callingClass) { + URL url = Thread.currentThread().getContextClassLoader().getResource(resourceName); + if (url == null && resourceName.startsWith("/")) { + //certain classloaders need it without the leading / + url = + Thread.currentThread().getContextClassLoader().getResource( + resourceName.substring(1) + ); + } + + ClassLoader cluClassloader = ClassLoaderUtils.class.getClassLoader(); + if (cluClassloader == null) { + cluClassloader = ClassLoader.getSystemClassLoader(); + } + if (url == null) { + url = cluClassloader.getResource(resourceName); + } + if (url == null && resourceName.startsWith("/")) { + //certain classloaders need it without the leading / + url = cluClassloader.getResource(resourceName.substring(1)); + } + + if (url == null) { + ClassLoader cl = callingClass.getClassLoader(); + + if (cl != null) { + url = cl.getResource(resourceName); + } + } + + if (url == null) { + url = callingClass.getResource(resourceName); + } + + if ((url == null) && (resourceName != null) && (resourceName.charAt(0) != '/')) { + return getResource('/' + resourceName, callingClass); + } + + return url; + } + + /** + * Load a given resources. <p/> This method will try to load the resources + * using the following methods (in order): + * <ul> + * <li>From Thread.currentThread().getContextClassLoader() + * <li>From ClassLoaderUtil.class.getClassLoader() + * <li>callingClass.getClassLoader() + * </ul> + * + * @param resourceName The name of the resource to load + * @param callingClass The Class object of the calling object + */ + static List<URL> getResources(String resourceName, Class<?> callingClass) { + List<URL> ret = new ArrayList<URL>(); + Enumeration<URL> urls = new Enumeration<URL>() { + public boolean hasMoreElements() { + return false; + } + public URL nextElement() { + return null; + } + + }; + try { + urls = Thread.currentThread().getContextClassLoader().getResources(resourceName); + } catch (IOException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + //ignore + } + if (!urls.hasMoreElements() && resourceName.startsWith("/")) { + //certain classloaders need it without the leading / + try { + urls = + Thread.currentThread().getContextClassLoader().getResources( + resourceName.substring(1) + ); + } catch (IOException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + // ignore + } + } + + ClassLoader cluClassloader = ClassLoaderUtils.class.getClassLoader(); + if (cluClassloader == null) { + cluClassloader = ClassLoader.getSystemClassLoader(); + } + if (!urls.hasMoreElements()) { + try { + urls = cluClassloader.getResources(resourceName); + } catch (IOException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + // ignore + } + } + if (!urls.hasMoreElements() && resourceName.startsWith("/")) { + //certain classloaders need it without the leading / + try { + urls = cluClassloader.getResources(resourceName.substring(1)); + } catch (IOException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + // ignore + } + } + + if (!urls.hasMoreElements()) { + ClassLoader cl = callingClass.getClassLoader(); + + if (cl != null) { + try { + urls = cl.getResources(resourceName); + } catch (IOException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + // ignore + } + } + } + + if (!urls.hasMoreElements()) { + URL url = callingClass.getResource(resourceName); + if (url != null) { + ret.add(url); + } + } + while (urls.hasMoreElements()) { + ret.add(urls.nextElement()); + } + + + if (ret.isEmpty() && (resourceName != null) && (resourceName.charAt(0) != '/')) { + return getResources('/' + resourceName, callingClass); + } + return ret; + } + + + /** + * This is a convenience method to load a resource as a stream. <p/> The + * algorithm used to find the resource is given in getResource() + * + * @param resourceName The name of the resource to load + * @param callingClass The Class object of the calling object + */ + static InputStream getResourceAsStream(String resourceName, Class<?> callingClass) { + URL url = getResource(resourceName, callingClass); + + try { + return (url != null) ? url.openStream() : null; + } catch (IOException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + return null; + } + } + + /** + * Load a class with a given name. <p/> It will try to load the class in the + * following order: + * <ul> + * <li>From Thread.currentThread().getContextClassLoader() + * <li>Using the basic Class.forName() + * <li>From ClassLoaderUtil.class.getClassLoader() + * <li>From the callingClass.getClassLoader() + * </ul> + * + * @param className The name of the class to load + * @param callingClass The Class object of the calling object + * @throws ClassNotFoundException If the class cannot be found anywhere. + */ + static Class<?> loadClass(String className, Class<?> callingClass) + throws ClassNotFoundException { + try { + ClassLoader cl = Thread.currentThread().getContextClassLoader(); + + if (cl != null) { + return cl.loadClass(className); + } + } catch (ClassNotFoundException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + //ignore + } + return loadClass2(className, callingClass); + } + + private static Class<?> loadClass2(String className, Class<?> callingClass) + throws ClassNotFoundException { + try { + return Class.forName(className); + } catch (ClassNotFoundException ex) { + try { + if (ClassLoaderUtils.class.getClassLoader() != null) { + return ClassLoaderUtils.class.getClassLoader().loadClass(className); + } + } catch (ClassNotFoundException exc) { + if (callingClass != null && callingClass.getClassLoader() != null) { + return callingClass.getClassLoader().loadClass(className); + } + } + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, ex.getMessage(), ex); + } + throw ex; + } + } +}
--- a/src/share/classes/com/sun/org/apache/xml/internal/security/algorithms/SignatureAlgorithm.java Wed May 01 21:02:04 2013 +0100 +++ b/src/share/classes/com/sun/org/apache/xml/internal/security/algorithms/SignatureAlgorithm.java Wed May 01 17:19:04 2013 -0400 @@ -36,7 +36,6 @@ import com.sun.org.apache.xml.internal.security.exceptions.XMLSecurityException; import com.sun.org.apache.xml.internal.security.signature.XMLSignature; import com.sun.org.apache.xml.internal.security.signature.XMLSignatureException; -import com.sun.org.apache.xml.internal.security.utils.ClassLoaderUtils; import com.sun.org.apache.xml.internal.security.utils.Constants; import org.w3c.dom.Attr; import org.w3c.dom.Document;
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/classes/com/sun/org/apache/xml/internal/security/transforms/ClassLoaderUtils.java Wed May 01 17:19:04 2013 -0400 @@ -0,0 +1,280 @@ +/* + * 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. 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 com.sun.org.apache.xml.internal.security.transforms; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URL; +import java.util.ArrayList; +import java.util.Enumeration; +import java.util.List; + +/** + * This class is extremely useful for loading resources and classes in a fault + * tolerant manner that works across different applications servers. Do not + * touch this unless you're a grizzled classloading guru veteran who is going to + * verify any change on 6 different application servers. + */ +// NOTE! This is a duplicate of utils.ClassLoaderUtils with public +// modifiers changed to package-private. Make sure to integrate any future +// changes to utils.ClassLoaderUtils to this file. +final class ClassLoaderUtils { + + /** {@link org.apache.commons.logging} logging facility */ + private static final java.util.logging.Logger log = + java.util.logging.Logger.getLogger(ClassLoaderUtils.class.getName()); + + private ClassLoaderUtils() { + } + + /** + * Load a given resource. <p/> This method will try to load the resource + * using the following methods (in order): + * <ul> + * <li>From Thread.currentThread().getContextClassLoader() + * <li>From ClassLoaderUtil.class.getClassLoader() + * <li>callingClass.getClassLoader() + * </ul> + * + * @param resourceName The name of the resource to load + * @param callingClass The Class object of the calling object + */ + static URL getResource(String resourceName, Class<?> callingClass) { + URL url = Thread.currentThread().getContextClassLoader().getResource(resourceName); + if (url == null && resourceName.startsWith("/")) { + //certain classloaders need it without the leading / + url = + Thread.currentThread().getContextClassLoader().getResource( + resourceName.substring(1) + ); + } + + ClassLoader cluClassloader = ClassLoaderUtils.class.getClassLoader(); + if (cluClassloader == null) { + cluClassloader = ClassLoader.getSystemClassLoader(); + } + if (url == null) { + url = cluClassloader.getResource(resourceName); + } + if (url == null && resourceName.startsWith("/")) { + //certain classloaders need it without the leading / + url = cluClassloader.getResource(resourceName.substring(1)); + } + + if (url == null) { + ClassLoader cl = callingClass.getClassLoader(); + + if (cl != null) { + url = cl.getResource(resourceName); + } + } + + if (url == null) { + url = callingClass.getResource(resourceName); + } + + if ((url == null) && (resourceName != null) && (resourceName.charAt(0) != '/')) { + return getResource('/' + resourceName, callingClass); + } + + return url; + } + + /** + * Load a given resources. <p/> This method will try to load the resources + * using the following methods (in order): + * <ul> + * <li>From Thread.currentThread().getContextClassLoader() + * <li>From ClassLoaderUtil.class.getClassLoader() + * <li>callingClass.getClassLoader() + * </ul> + * + * @param resourceName The name of the resource to load + * @param callingClass The Class object of the calling object + */ + static List<URL> getResources(String resourceName, Class<?> callingClass) { + List<URL> ret = new ArrayList<URL>(); + Enumeration<URL> urls = new Enumeration<URL>() { + public boolean hasMoreElements() { + return false; + } + public URL nextElement() { + return null; + } + + }; + try { + urls = Thread.currentThread().getContextClassLoader().getResources(resourceName); + } catch (IOException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + //ignore + } + if (!urls.hasMoreElements() && resourceName.startsWith("/")) { + //certain classloaders need it without the leading / + try { + urls = + Thread.currentThread().getContextClassLoader().getResources( + resourceName.substring(1) + ); + } catch (IOException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + // ignore + } + } + + ClassLoader cluClassloader = ClassLoaderUtils.class.getClassLoader(); + if (cluClassloader == null) { + cluClassloader = ClassLoader.getSystemClassLoader(); + } + if (!urls.hasMoreElements()) { + try { + urls = cluClassloader.getResources(resourceName); + } catch (IOException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + // ignore + } + } + if (!urls.hasMoreElements() && resourceName.startsWith("/")) { + //certain classloaders need it without the leading / + try { + urls = cluClassloader.getResources(resourceName.substring(1)); + } catch (IOException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + // ignore + } + } + + if (!urls.hasMoreElements()) { + ClassLoader cl = callingClass.getClassLoader(); + + if (cl != null) { + try { + urls = cl.getResources(resourceName); + } catch (IOException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + // ignore + } + } + } + + if (!urls.hasMoreElements()) { + URL url = callingClass.getResource(resourceName); + if (url != null) { + ret.add(url); + } + } + while (urls.hasMoreElements()) { + ret.add(urls.nextElement()); + } + + + if (ret.isEmpty() && (resourceName != null) && (resourceName.charAt(0) != '/')) { + return getResources('/' + resourceName, callingClass); + } + return ret; + } + + + /** + * This is a convenience method to load a resource as a stream. <p/> The + * algorithm used to find the resource is given in getResource() + * + * @param resourceName The name of the resource to load + * @param callingClass The Class object of the calling object + */ + static InputStream getResourceAsStream(String resourceName, Class<?> callingClass) { + URL url = getResource(resourceName, callingClass); + + try { + return (url != null) ? url.openStream() : null; + } catch (IOException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + return null; + } + } + + /** + * Load a class with a given name. <p/> It will try to load the class in the + * following order: + * <ul> + * <li>From Thread.currentThread().getContextClassLoader() + * <li>Using the basic Class.forName() + * <li>From ClassLoaderUtil.class.getClassLoader() + * <li>From the callingClass.getClassLoader() + * </ul> + * + * @param className The name of the class to load + * @param callingClass The Class object of the calling object + * @throws ClassNotFoundException If the class cannot be found anywhere. + */ + static Class<?> loadClass(String className, Class<?> callingClass) + throws ClassNotFoundException { + try { + ClassLoader cl = Thread.currentThread().getContextClassLoader(); + + if (cl != null) { + return cl.loadClass(className); + } + } catch (ClassNotFoundException e) { + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, e.getMessage(), e); + } + //ignore + } + return loadClass2(className, callingClass); + } + + private static Class<?> loadClass2(String className, Class<?> callingClass) + throws ClassNotFoundException { + try { + return Class.forName(className); + } catch (ClassNotFoundException ex) { + try { + if (ClassLoaderUtils.class.getClassLoader() != null) { + return ClassLoaderUtils.class.getClassLoader().loadClass(className); + } + } catch (ClassNotFoundException exc) { + if (callingClass != null && callingClass.getClassLoader() != null) { + return callingClass.getClassLoader().loadClass(className); + } + } + if (log.isLoggable(java.util.logging.Level.FINE)) { + log.log(java.util.logging.Level.FINE, ex.getMessage(), ex); + } + throw ex; + } + } +}
--- a/src/share/classes/com/sun/org/apache/xml/internal/security/transforms/Transform.java Wed May 01 21:02:04 2013 +0100 +++ b/src/share/classes/com/sun/org/apache/xml/internal/security/transforms/Transform.java Wed May 01 17:19:04 2013 -0400 @@ -44,7 +44,6 @@ import com.sun.org.apache.xml.internal.security.transforms.implementations.TransformXPath; import com.sun.org.apache.xml.internal.security.transforms.implementations.TransformXPath2Filter; import com.sun.org.apache.xml.internal.security.transforms.implementations.TransformXSLT; -import com.sun.org.apache.xml.internal.security.utils.ClassLoaderUtils; import com.sun.org.apache.xml.internal.security.utils.Constants; import com.sun.org.apache.xml.internal.security.utils.HelperNodeList; import com.sun.org.apache.xml.internal.security.utils.SignatureElementProxy;
--- a/src/share/classes/com/sun/org/apache/xml/internal/security/utils/ClassLoaderUtils.java Wed May 01 21:02:04 2013 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,277 +0,0 @@ -/* - * 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. 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 com.sun.org.apache.xml.internal.security.utils; - -import java.io.IOException; -import java.io.InputStream; -import java.net.URL; -import java.util.ArrayList; -import java.util.Enumeration; -import java.util.List; - -/** - * This class is extremely useful for loading resources and classes in a fault - * tolerant manner that works across different applications servers. Do not - * touch this unless you're a grizzled classloading guru veteran who is going to - * verify any change on 6 different application servers. - */ -public final class ClassLoaderUtils { - - /** {@link org.apache.commons.logging} logging facility */ - private static final java.util.logging.Logger log = - java.util.logging.Logger.getLogger(ClassLoaderUtils.class.getName()); - - private ClassLoaderUtils() { - } - - /** - * Load a given resource. <p/> This method will try to load the resource - * using the following methods (in order): - * <ul> - * <li>From Thread.currentThread().getContextClassLoader() - * <li>From ClassLoaderUtil.class.getClassLoader() - * <li>callingClass.getClassLoader() - * </ul> - * - * @param resourceName The name of the resource to load - * @param callingClass The Class object of the calling object - */ - public static URL getResource(String resourceName, Class<?> callingClass) { - URL url = Thread.currentThread().getContextClassLoader().getResource(resourceName); - if (url == null && resourceName.startsWith("/")) { - //certain classloaders need it without the leading / - url = - Thread.currentThread().getContextClassLoader().getResource( - resourceName.substring(1) - ); - } - - ClassLoader cluClassloader = ClassLoaderUtils.class.getClassLoader(); - if (cluClassloader == null) { - cluClassloader = ClassLoader.getSystemClassLoader(); - } - if (url == null) { - url = cluClassloader.getResource(resourceName); - } - if (url == null && resourceName.startsWith("/")) { - //certain classloaders need it without the leading / - url = cluClassloader.getResource(resourceName.substring(1)); - } - - if (url == null) { - ClassLoader cl = callingClass.getClassLoader(); - - if (cl != null) { - url = cl.getResource(resourceName); - } - } - - if (url == null) { - url = callingClass.getResource(resourceName); - } - - if ((url == null) && (resourceName != null) && (resourceName.charAt(0) != '/')) { - return getResource('/' + resourceName, callingClass); - } - - return url; - } - - /** - * Load a given resources. <p/> This method will try to load the resources - * using the following methods (in order): - * <ul> - * <li>From Thread.currentThread().getContextClassLoader() - * <li>From ClassLoaderUtil.class.getClassLoader() - * <li>callingClass.getClassLoader() - * </ul> - * - * @param resourceName The name of the resource to load - * @param callingClass The Class object of the calling object - */ - public static List<URL> getResources(String resourceName, Class<?> callingClass) { - List<URL> ret = new ArrayList<URL>(); - Enumeration<URL> urls = new Enumeration<URL>() { - public boolean hasMoreElements() { - return false; - } - public URL nextElement() { - return null; - } - - }; - try { - urls = Thread.currentThread().getContextClassLoader().getResources(resourceName); - } catch (IOException e) { - if (log.isLoggable(java.util.logging.Level.FINE)) { - log.log(java.util.logging.Level.FINE, e.getMessage(), e); - } - //ignore - } - if (!urls.hasMoreElements() && resourceName.startsWith("/")) { - //certain classloaders need it without the leading / - try { - urls = - Thread.currentThread().getContextClassLoader().getResources( - resourceName.substring(1) - ); - } catch (IOException e) { - if (log.isLoggable(java.util.logging.Level.FINE)) { - log.log(java.util.logging.Level.FINE, e.getMessage(), e); - } - // ignore - } - } - - ClassLoader cluClassloader = ClassLoaderUtils.class.getClassLoader(); - if (cluClassloader == null) { - cluClassloader = ClassLoader.getSystemClassLoader(); - } - if (!urls.hasMoreElements()) { - try { - urls = cluClassloader.getResources(resourceName); - } catch (IOException e) { - if (log.isLoggable(java.util.logging.Level.FINE)) { - log.log(java.util.logging.Level.FINE, e.getMessage(), e); - } - // ignore - } - } - if (!urls.hasMoreElements() && resourceName.startsWith("/")) { - //certain classloaders need it without the leading / - try { - urls = cluClassloader.getResources(resourceName.substring(1)); - } catch (IOException e) { - if (log.isLoggable(java.util.logging.Level.FINE)) { - log.log(java.util.logging.Level.FINE, e.getMessage(), e); - } - // ignore - } - } - - if (!urls.hasMoreElements()) { - ClassLoader cl = callingClass.getClassLoader(); - - if (cl != null) { - try { - urls = cl.getResources(resourceName); - } catch (IOException e) { - if (log.isLoggable(java.util.logging.Level.FINE)) { - log.log(java.util.logging.Level.FINE, e.getMessage(), e); - } - // ignore - } - } - } - - if (!urls.hasMoreElements()) { - URL url = callingClass.getResource(resourceName); - if (url != null) { - ret.add(url); - } - } - while (urls.hasMoreElements()) { - ret.add(urls.nextElement()); - } - - - if (ret.isEmpty() && (resourceName != null) && (resourceName.charAt(0) != '/')) { - return getResources('/' + resourceName, callingClass); - } - return ret; - } - - - /** - * This is a convenience method to load a resource as a stream. <p/> The - * algorithm used to find the resource is given in getResource() - * - * @param resourceName The name of the resource to load - * @param callingClass The Class object of the calling object - */ - public static InputStream getResourceAsStream(String resourceName, Class<?> callingClass) { - URL url = getResource(resourceName, callingClass); - - try { - return (url != null) ? url.openStream() : null; - } catch (IOException e) { - if (log.isLoggable(java.util.logging.Level.FINE)) { - log.log(java.util.logging.Level.FINE, e.getMessage(), e); - } - return null; - } - } - - /** - * Load a class with a given name. <p/> It will try to load the class in the - * following order: - * <ul> - * <li>From Thread.currentThread().getContextClassLoader() - * <li>Using the basic Class.forName() - * <li>From ClassLoaderUtil.class.getClassLoader() - * <li>From the callingClass.getClassLoader() - * </ul> - * - * @param className The name of the class to load - * @param callingClass The Class object of the calling object - * @throws ClassNotFoundException If the class cannot be found anywhere. - */ - public static Class<?> loadClass(String className, Class<?> callingClass) - throws ClassNotFoundException { - try { - ClassLoader cl = Thread.currentThread().getContextClassLoader(); - - if (cl != null) { - return cl.loadClass(className); - } - } catch (ClassNotFoundException e) { - if (log.isLoggable(java.util.logging.Level.FINE)) { - log.log(java.util.logging.Level.FINE, e.getMessage(), e); - } - //ignore - } - return loadClass2(className, callingClass); - } - - private static Class<?> loadClass2(String className, Class<?> callingClass) - throws ClassNotFoundException { - try { - return Class.forName(className); - } catch (ClassNotFoundException ex) { - try { - if (ClassLoaderUtils.class.getClassLoader() != null) { - return ClassLoaderUtils.class.getClassLoader().loadClass(className); - } - } catch (ClassNotFoundException exc) { - if (callingClass != null && callingClass.getClassLoader() != null) { - return callingClass.getClassLoader().loadClass(className); - } - } - if (log.isLoggable(java.util.logging.Level.FINE)) { - log.log(java.util.logging.Level.FINE, ex.getMessage(), ex); - } - throw ex; - } - } -}