revised JBoss VFS support

org.springframework.core/src/main/java/org/springframework/core/io/AbstractFileResolvingResource.java

@@ -0,0 +1,100 @@
+/*
+ * Copyright 2002-2009 the original author or authors.
+ *
+ * Licensed 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.springframework.core.io;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URL;
+
+import org.jboss.virtual.VFS;
+
+import org.springframework.util.ResourceUtils;
+
+/**
+ * Abstract base class for resources which resolve URLs into File references,
+ * such as {@link UrlResource} or {@link ClassPathResource}.
+ *
+ * <p>Detects the "file" protocol as well as the JBoss "vfs" protocol in URLs,
+ * resolving file system references accordingly.
+ *
+ * @author Juergen Hoeller
+ * @since 3.0
+ */
+public abstract class AbstractFileResolvingResource extends AbstractResource {
+
+	/**
+	 * This implementation returns a File reference for the underlying class path
+	 * resource, provided that it refers to a file in the file system.
+	 * @see org.springframework.util.ResourceUtils#getFile(java.net.URL, String)
+	 */
+	@Override
+	public File getFile() throws IOException {
+		URL url = getURL();
+		if (url.getProtocol().startsWith(ResourceUtils.URL_PROTOCOL_VFS)) {
+			return VfsResourceDelegate.getResource(url).getFile();
+		}
+		return ResourceUtils.getFile(url, getDescription());
+	}
+
+	/**
+	 * This implementation determines the underlying File
+	 * (or jar file, in case of a resource in a jar/zip).
+	 */
+	@Override
+	protected File getFileForLastModifiedCheck() throws IOException {
+		URL url = getURL();
+		if (ResourceUtils.isJarURL(url)) {
+			URL actualUrl = ResourceUtils.extractJarFileURL(url);
+			if (actualUrl.getProtocol().startsWith(ResourceUtils.URL_PROTOCOL_VFS)) {
+				return VfsResourceDelegate.getResource(actualUrl).getFile();
+			}
+			return ResourceUtils.getFile(actualUrl, "Jar URL");
+		}
+		else {
+			return getFile();
+		}
+	}
+
+	/**
+	 * This implementation returns a File reference for the underlying class path
+	 * resource, provided that it refers to a file in the file system.
+	 * @see org.springframework.util.ResourceUtils#getFile(java.net.URI, String)
+	 */
+	protected File getFile(URI uri) throws IOException {
+		if (uri.getScheme().startsWith(ResourceUtils.URL_PROTOCOL_VFS)) {
+			return VfsResourceDelegate.getResource(uri).getFile();
+		}
+		return ResourceUtils.getFile(uri, getDescription());
+	}
+
+
+	/**
+	 * Inner delegate class, avoiding a hard JBoss VFS API dependency at runtime.
+	 */
+	private static class VfsResourceDelegate {
+
+		public static Resource getResource(URL url) throws IOException {
+			return new VfsResource(VFS.getRoot(url));
+		}
+
+		public static Resource getResource(URI uri) throws IOException {
+			return new VfsResource(VFS.getRoot(uri));
+		}
+	}
+
+}

org.springframework.core/src/main/java/org/springframework/core/io/ClassPathResource.java

@@ -16,7 +16,6 @@
 
 package org.springframework.core.io;
 
-import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
@@ -25,9 +24,7 @@ import java.net.URL;
 import org.springframework.util.Assert;
 import org.springframework.util.ClassUtils;
 import org.springframework.util.ObjectUtils;
-import org.springframework.util.ResourceUtils;
 import org.springframework.util.StringUtils;
-import org.springframework.core.io.support.ResourceHandlingUtils;
 
 /**
  * {@link Resource} implementation for class path resources.
@@ -42,7 +39,7 @@ import org.springframework.core.io.support.ResourceHandlingUtils;
  * @see java.lang.ClassLoader#getResourceAsStream(String)
  * @see java.lang.Class#getResourceAsStream(String)
  */
-public class ClassPathResource extends AbstractResource {
+public class ClassPathResource extends AbstractFileResolvingResource {
 
 	private final String path;
 
@@ -50,6 +47,7 @@ public class ClassPathResource extends AbstractResource {
 
 	private Class clazz;
 
+
 	/**
 	 * Create a new ClassPathResource for ClassLoader usage.
 	 * A leading slash will be removed, as the ClassLoader
@@ -167,32 +165,6 @@ public class ClassPathResource extends AbstractResource {
 		return url;
 	}
 
-	/**
-	 * This implementation returns a File reference for the underlying class path
-	 * resource, provided that it refers to a file in the file system.
-	 * @see org.springframework.util.ResourceUtils#getFile(java.net.URL, String)
-	 */
-	@Override
-	public File getFile() throws IOException {
-		return ResourceHandlingUtils.getFile(getURL(), getDescription());
-	}
-
-	/**
-	 * This implementation determines the underlying File
-	 * (or jar file, in case of a resource in a jar/zip).
-	 */
-	@Override
-	protected File getFileForLastModifiedCheck() throws IOException {
-		URL url = getURL();
-		if (ResourceUtils.isJarURL(url)) {
-			URL actualUrl = ResourceUtils.extractJarFileURL(url);
-			return ResourceHandlingUtils.getFile(actualUrl);
-		}
-		else {
-			return ResourceHandlingUtils.getFile(url, getDescription());
-		}
-	}
-
 	/**
 	 * This implementation creates a ClassPathResource, applying the given path
 	 * relative to the path of the underlying resource of this descriptor.

org.springframework.core/src/main/java/org/springframework/core/io/UrlResource.java

@@ -26,9 +26,7 @@ import java.net.URL;
 import java.net.URLConnection;
 
 import org.springframework.util.Assert;
-import org.springframework.util.ResourceUtils;
 import org.springframework.util.StringUtils;
-import org.springframework.core.io.support.ResourceHandlingUtils;
 
 /**
  * {@link Resource} implementation for <code>java.net.URL</code> locators.
@@ -39,7 +37,7 @@ import org.springframework.core.io.support.ResourceHandlingUtils;
  * @since 28.12.2003
  * @see java.net.URL
  */
-public class UrlResource extends AbstractResource {
+public class UrlResource extends AbstractFileResolvingResource {
 
 	/**
 	 * Original URL, used for actual access.
@@ -164,25 +162,10 @@ public class UrlResource extends AbstractResource {
 	@Override
 	public File getFile() throws IOException {
 		if (this.uri != null) {
-			return ResourceHandlingUtils.getFile(this.uri, getDescription());
+			return super.getFile(this.uri);
 		}
 		else {
-			return ResourceHandlingUtils.getFile(this.url, getDescription());
-		}
-	}
-
-	/**
-	 * This implementation determines the underlying File
-	 * (or jar file, in case of a resource in a jar/zip).
-	 */
-	@Override
-	protected File getFileForLastModifiedCheck() throws IOException {
-		if (ResourceUtils.isJarURL(this.url)) {
-			URL actualUrl = ResourceUtils.extractJarFileURL(this.url);
-			return ResourceHandlingUtils.getFile(actualUrl);
-		}
-		else {
-			return getFile();
+			return super.getFile();
 		}
 	}
 

org.springframework.core/src/main/java/org/springframework/core/io/VfsResource.java

@@ -14,105 +14,93 @@
  * limitations under the License.
  */
 
-package org.springframework.core.io.support.jboss;
+package org.springframework.core.io;
 
-import java.io.IOException;
 import java.io.File;
+import java.io.IOException;
 import java.io.InputStream;
-import java.net.URL;
-import java.net.URISyntaxException;
 import java.net.URI;
+import java.net.URL;
 
-import org.jboss.virtual.VirtualFile;
-import org.jboss.virtual.VFSUtils;
 import org.jboss.virtual.VFS;
+import org.jboss.virtual.VFSUtils;
+import org.jboss.virtual.VirtualFile;
 
-import org.springframework.core.io.Resource;
-import org.springframework.core.io.AbstractResource;
+import org.springframework.core.NestedIOException;
 import org.springframework.util.Assert;
 
 /**
- * VFS based Resource.
+ * VFS based {@link Resource} implementation.
  *
  * @author Ales Justin
+ * @author Juergen Hoeller
+ * @since 3.0
+ * @see org.jboss.virtual.VirtualFile
  */
-class VfsResource extends AbstractResource {
+public class VfsResource extends AbstractResource {
+
+	private final VirtualFile file;
 
-	private VirtualFile file;
 
 	public VfsResource(VirtualFile file) {
-		Assert.notNull(file, "The file cannot be null.");
+		Assert.notNull(file, "VirtualFile must not be null");
 		this.file = file;
 	}
 
+
 	public boolean exists() {
 		try {
-			return file.exists();
+			return this.file.exists();
 		}
-		catch (IOException e) {
-			throw new RuntimeException(e);
+		catch (IOException ex) {
+			return false;
 		}
 	}
 
-	public boolean isOpen() {
-		return false;
-	}
-
 	public boolean isReadable() {
 		try {
-			return file.getSize() > 0;
+			return (this.file.getSize() > 0);
 		}
 		catch (IOException e) {
-			throw new RuntimeException(e);
+			return false;
 		}
 	}
 
-	public long lastModified() {
-		try {
-			return file.getLastModified();
-		}
-		catch (IOException e) {
-			throw new RuntimeException(e);
-		}
+	public long lastModified() throws IOException {
+		return this.file.getLastModified();
+	}
+
+	public InputStream getInputStream() throws IOException {
+		return this.file.openStream();
 	}
 
 	public URL getURL() throws IOException {
 		try {
-			return file.toURL();
+			return this.file.toURL();
 		}
-		catch (URISyntaxException e) {
-			IOException ioe = new IOException(e.getMessage());
-			ioe.initCause(e);
-			throw ioe;
+		catch (Exception ex) {
+			throw new NestedIOException("Failed to obtain URL for file " + this.file, ex);
 		}
 	}
 
 	public URI getURI() throws IOException {
 		try {
-			return file.toURI();
+			return this.file.toURI();
 		}
-		catch (URISyntaxException e) {
-			IOException ioe = new IOException(e.getMessage());
-			ioe.initCause(e);
-			throw ioe;
+		catch (Exception ex) {
+			throw new NestedIOException("Failed to obtain URI for " + this.file, ex);
 		}
 	}
 
 	public File getFile() throws IOException {
-		if (VFSUtils.isNestedFile(file)) {
-			throw new IOException("This resource is a nested resource: " + file);
+		if (VFSUtils.isNestedFile(this.file)) {
+			throw new IOException("File resolution not supported for nested resource: " + this.file);
 		}
-
 		try {
 			return new File(VFSUtils.getCompatibleURI(file));
 		}
-		catch (IOException e) {
-			throw e;
-		}
-		catch (Exception e) {
-			IOException ioe = new IOException(e.getMessage());
-			ioe.initCause(e);
-			throw ioe;
+		catch (Exception ex) {
+			throw new NestedIOException("Failed to obtain File reference for " + this.file, ex);
 		}
 	}
 
@@ -121,33 +109,22 @@ class VfsResource extends AbstractResource {
 	}
 
 	public String getFilename() {
-		return file.getName();
+		return this.file.getName();
 	}
 
 	public String getDescription() {
-		return file.toString();
+		return this.file.toString();
 	}
 
-	public InputStream getInputStream() throws IOException {
-		return file.openStream();
-	}
-
-	public String toString() {
-		return getDescription();
-	}
 
 	@Override
 	public boolean equals(Object obj) {
-		if (obj instanceof VfsResource) {
-			return file.equals(((VfsResource)obj).file);
-		}
-		else {
-			return false;
-		}
+		return (obj == this || (obj instanceof VfsResource && this.file.equals(((VfsResource) obj).file)));
 	}
 
 	@Override
 	public int hashCode() {
 		return this.file.hashCode();
 	}
+
 }

org.springframework.core/src/main/java/org/springframework/core/io/support/PathMatchingResourcePatternResolver.java

@@ -32,12 +32,17 @@ import java.util.jar.JarFile;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
+import org.jboss.virtual.VFS;
+import org.jboss.virtual.VirtualFile;
+import org.jboss.virtual.VirtualFileVisitor;
+import org.jboss.virtual.VisitorAttributes;
 
 import org.springframework.core.io.DefaultResourceLoader;
 import org.springframework.core.io.FileSystemResource;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.ResourceLoader;
 import org.springframework.core.io.UrlResource;
+import org.springframework.core.io.VfsResource;
 import org.springframework.util.AntPathMatcher;
 import org.springframework.util.Assert;
 import org.springframework.util.PathMatcher;
@@ -335,11 +340,12 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 		Resource[] rootDirResources = getResources(rootDirPath);
 		Set<Resource> result = new LinkedHashSet<Resource>(16);
 		for (Resource rootDirResource : rootDirResources) {
-			if (ResourceHandlingUtils.useResourceHandlingDelegate(rootDirResource.getURL())) {
-				result.addAll(ResourceHandlingUtils.findMatchingResourcesByDelegate(rootDirResource, subPattern, getPathMatcher()));
-			} else if (isJarResource(rootDirResource)) {
+			if (isJarResource(rootDirResource)) {
 				result.addAll(doFindPathMatchingJarResources(rootDirResource, subPattern));
 			}
+			else if (rootDirResource.getURL().getProtocol().startsWith(ResourceUtils.URL_PROTOCOL_VFS)) {
+				result.addAll(VfsResourceMatchingDelegate.findMatchingResources(rootDirResource, subPattern, getPathMatcher()));
+			}
 			else {
 				result.addAll(doFindPathMatchingFileResources(rootDirResource, subPattern));
 			}
@@ -625,4 +631,64 @@ public class PathMatchingResourcePatternResolver implements ResourcePatternResol
 		}
 	}
 
+
+	/**
+	 * Inner delegate class, avoiding a hard JBoss VFS API dependency at runtime.
+	 */
+	private static class VfsResourceMatchingDelegate {
+
+		public static Set<Resource> findMatchingResources(Resource rootResource, String locationPattern, PathMatcher pathMatcher) throws IOException {
+			VirtualFile root = VFS.getRoot(rootResource.getURL());
+			PatternVirtualFileVisitor visitor = new PatternVirtualFileVisitor(root.getPathName(), locationPattern, pathMatcher);
+			root.visit(visitor);
+			return visitor.getResources();
+		}
+	}
+
+
+	/**
+	 * VFS visitor for path matching purposes.
+	 */
+	private static class PatternVirtualFileVisitor implements VirtualFileVisitor {
+
+		private final String subPattern;
+
+		private final PathMatcher pathMatcher;
+
+		private final String rootPath;
+
+		private final Set<Resource> resources = new LinkedHashSet<Resource>();
+
+		public PatternVirtualFileVisitor(String rootPath, String subPattern, PathMatcher pathMatcher) {
+			this.subPattern = subPattern;
+			this.pathMatcher = pathMatcher;
+			this.rootPath = (rootPath.length() == 0 || rootPath.endsWith("/") ? rootPath : rootPath + "/");
+		}
+
+		public VisitorAttributes getAttributes() {
+			return VisitorAttributes.RECURSE;
+		}
+
+		public void visit(VirtualFile vf) {
+			if (this.pathMatcher.match(this.subPattern, vf.getPathName().substring(this.rootPath.length()))) {
+				this.resources.add(new VfsResource(vf));
+			}
+		}
+
+		public Set<Resource> getResources() {
+			return this.resources;
+		}
+
+		public int size() {
+			return this.resources.size();
+		}
+
+		public String toString() {
+			StringBuilder sb = new StringBuilder();
+			sb.append("sub-pattern: ").append(this.subPattern);
+			sb.append(", resources: ").append(this.resources);
+			return sb.toString();
+		}
+	}
+
 }

org.springframework.core/src/main/java/org/springframework/core/io/support/ResourceHandlingDelegate.java

@@ -1,48 +0,0 @@
-/*
- * Copyright 2002-2009 the original author or authors.
- *
- * Licensed 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.springframework.core.io.support;
-
-import java.io.IOException;
-import java.net.URL;
-import java.net.URI;
-import java.util.Set;
-
-import org.springframework.core.io.Resource;
-import org.springframework.util.PathMatcher;
-
-/**
- * Abstraction for a path matching strategy, for customizing the way in which a resource can be
- * scanned for finding underlying resources that match a given pattern.
- * Used for implementing application-server specific resource scanning strategies (e.g. for JBoss AS)
- *
- * @author Marius Bogoevici
- *
- */
-public interface ResourceHandlingDelegate {
-
-	boolean canHandleResource(URL url);
-
-	boolean canHandleResource(URI uri);
-
-	Set<Resource> findMatchingResources(Resource rootResource, String subPattern, PathMatcher pathMatcher) throws
-			IOException;
-
-	Resource loadResource(URL url) throws IOException;
-
-	Resource loadResource(URI uri) throws IOException;
-
-}

org.springframework.core/src/main/java/org/springframework/core/io/support/ResourceHandlingUtils.java

@@ -1,107 +0,0 @@
-/*
- * Copyright 2002-2007 the original author or authors.
- *
- * Licensed 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.springframework.core.io.support;
-
-import java.net.URL;
-import java.net.URI;
-import java.util.Set;
-import java.io.IOException;
-import java.io.FileNotFoundException;
-import java.io.File;
-
-import org.springframework.util.ReflectionUtils;
-import org.springframework.util.PathMatcher;
-import org.springframework.util.ResourceUtils;
-import org.springframework.util.Assert;
-import org.springframework.core.io.support.jboss.VfsResourceHandlingDelegate;
-import org.springframework.core.io.Resource;
-
-/**
- * Utility class for determining whether a given URL is a resource
- * location that should receive special treatmen, such as looking up a
- * resource in JBoss VFS.
- *
- * @author Thomas Risberg
- * @author Marius Bogoevici
- * @since 3.0
- */
-public abstract class ResourceHandlingUtils {
-
-	private static ResourceHandlingDelegate resourceHandlingDelegate;
-
-	static {
-		try {
-			Class jBossVersionClass = PathMatchingResourcePatternResolver.class.getClassLoader().loadClass("org.jboss.Version");
-			Object versionObject = ReflectionUtils.invokeMethod(ReflectionUtils.findMethod(jBossVersionClass, "getInstance"), null);
-			Integer majorVersion = (Integer) ReflectionUtils.invokeMethod(ReflectionUtils.findMethod(jBossVersionClass, "getMajor"), versionObject);
-			// For JBoss AS versions 5 and higher
-			if (majorVersion >= 5) {
-				resourceHandlingDelegate = new VfsResourceHandlingDelegate();
-			}
-		}
-		catch (Throwable ex) {
-			// do nothing
-		}
-	}
-
-	public static File getFile(URL resourceUrl) throws FileNotFoundException {
-		return getFile(resourceUrl, "URL");
-	}
-
-	public static File getFile(URL resourceUrl, String description) throws FileNotFoundException {
-		Assert.notNull(resourceUrl, "Resource URL must not be null");
-		if (useResourceHandlingDelegate(resourceUrl)) {
-			try {
-				return resourceHandlingDelegate.loadResource(resourceUrl).getFile();
-			}
-			catch (IOException e) {
-				throw new FileNotFoundException(description + " cannot be resolved as a file resource");
-			}
-		}
-		return ResourceUtils.getFile(resourceUrl, description);
-	}
-
-	public static File getFile(URI resourceUri) throws FileNotFoundException {
-		return getFile(resourceUri, "URI");
-	}
-
-	public static File getFile(URI resourceUri, String description) throws FileNotFoundException {
-		Assert.notNull(resourceUri, "Resource URI must not be null");
-		if (useResourceHandlingDelegate(resourceUri)) {
-			try {
-				return resourceHandlingDelegate.loadResource(resourceUri).getFile();
-			}
-			catch (IOException e) {
-				throw new FileNotFoundException(description + " cannot be resolved as a file resource");
-			}
-		}
-		return ResourceUtils.getFile(resourceUri, description);
-	}
-
-	public static boolean useResourceHandlingDelegate(URL url) {
-		return resourceHandlingDelegate != null && resourceHandlingDelegate.canHandleResource(url);
-	}
-
-	public static boolean useResourceHandlingDelegate(URI uri) {
-		return resourceHandlingDelegate != null && resourceHandlingDelegate.canHandleResource(uri);
-	}
-
-	public static Set<Resource> findMatchingResourcesByDelegate(Resource resource, String pattern, PathMatcher matcher) throws
-			IOException {
-		return resourceHandlingDelegate.findMatchingResources(resource, pattern, matcher);
-	}
-}

org.springframework.core/src/main/java/org/springframework/core/io/support/jboss/VfsResourceHandlingDelegate.java

@@ -1,117 +0,0 @@
-/*
- * Copyright 2002-2009 the original author or authors.
- *
- * Licensed 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.springframework.core.io.support.jboss;
-
-import java.io.IOException;
-import java.io.File;
-import java.util.Set;
-import java.util.LinkedHashSet;
-import java.net.URL;
-import java.net.URI;
-
-import org.jboss.virtual.VFS;
-import org.jboss.virtual.VirtualFile;
-import org.jboss.virtual.VirtualFileVisitor;
-import org.jboss.virtual.VisitorAttributes;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-import org.springframework.core.io.Resource;
-import org.springframework.core.io.support.ResourceHandlingDelegate;
-import org.springframework.util.PathMatcher;
-
-/**
- * {@link org.springframework.core.io.support.ResourceHandlingDelegate} implementation
- * for JBoss' Virtual File System.
- *
- * @author Marius Bogoevici
- * @author Ales Justin
- *
- * Note: Thanks to David Ward from Alfresco for indicating a fix for path matching. 
- */
-public class VfsResourceHandlingDelegate implements ResourceHandlingDelegate {
-
-	public boolean canHandleResource(URL url) {
-		return url.getProtocol().startsWith("vfs");
-	}
-
-	public boolean canHandleResource(URI uri) {
-		return uri.getScheme().startsWith("vfs");
-	}
-
-
-	public Set<Resource> findMatchingResources(Resource rootResource, String locationPattern, PathMatcher pathMatcher) throws IOException {
-        VirtualFile root = VFS.getRoot(rootResource.getURL());
-        PatternVirtualFileVisitor visitor = new PatternVirtualFileVisitor(root.getPathName(), locationPattern, pathMatcher);
-        root.visit(visitor);
-        return visitor.getResources();
-	}
-
-	public Resource loadResource(URL url) throws IOException{
-		return new VfsResource(VFS.getRoot(url));
-	}
-
-	public Resource loadResource(URI uri) throws IOException {
-		return new VfsResource(VFS.getRoot(uri));
-	}
-
-
-	protected static class PatternVirtualFileVisitor implements VirtualFileVisitor
-	{
-		private final String subPattern;
-		private final Set<Resource> resources = new LinkedHashSet<Resource>();
-		private final PathMatcher pathMatcher;
-		private final String rootPath;
-
-		private PatternVirtualFileVisitor(String rootPath, String subPattern, PathMatcher pathMatcher)
-		{
-			this.subPattern = subPattern;
-			this.pathMatcher = pathMatcher;
-			this.rootPath = rootPath.length() == 0 || rootPath.endsWith("/") ? rootPath : rootPath + "/";
-		}
-
-		public VisitorAttributes getAttributes()
-		{
-			return VisitorAttributes.RECURSE;
-		}
-
-		public void visit(VirtualFile vf)
-		{
-			if (pathMatcher.match(subPattern, vf.getPathName().substring(rootPath.length())))
-				resources.add(new VfsResource(vf));
-		}
-
-		public Set<Resource> getResources()
-		{
-			return resources;
-		}
-
-		public int size()
-		{
-			return resources.size();
-		}
-
-		public String toString()
-		{
-			StringBuffer buffer = new StringBuffer();
-			buffer.append("sub-pattern: ").append(subPattern);
-			buffer.append(", resources: ").append(resources);
-			return buffer.toString();
-		}
-	}
-
-}

org.springframework.core/src/main/java/org/springframework/util/ResourceUtils.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2008 the original author or authors.
+ * Copyright 2002-2009 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -68,6 +68,9 @@ public abstract class ResourceUtils {
 	/** URL protocol for an entry from a JBoss jar file: "vfszip" */
 	public static final String URL_PROTOCOL_VFSZIP = "vfszip";
 
+	/** URL protocol for a JBoss VFS resource: "vfs" */
+	public static final String URL_PROTOCOL_VFS = "vfs";
+
 	/** URL protocol for an entry from a WebSphere jar file: "wsjar" */
 	public static final String URL_PROTOCOL_WSJAR = "wsjar";
 
@@ -257,7 +260,7 @@ public abstract class ResourceUtils {
 		return (URL_PROTOCOL_JAR.equals(protocol) ||
 				URL_PROTOCOL_ZIP.equals(protocol) ||
 				URL_PROTOCOL_WSJAR.equals(protocol) ||
-				(URL_PROTOCOL_CODE_SOURCE.equals(protocol) && url.getPath().indexOf(JAR_URL_SEPARATOR) != -1));
+				(URL_PROTOCOL_CODE_SOURCE.equals(protocol) && url.getPath().contains(JAR_URL_SEPARATOR)));
 	}
 
 	/**