[jboss-osgi-commits] JBoss-OSGI SVN: r101764 - in projects/jboss-osgi/projects/runtime/framework/trunk/src: test/java/org/jboss/test/osgi/bundle and 1 other directory.

Author: thomas.diesler(a)jboss.com Date: 2010-03-03 04:36:27 -0500 (Wed, 03 Mar 2010) New Revision: 101764 Removed: projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/BundleHandler.java projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/BundleVFSContext.java projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/BundleVFSContextFactory.java projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/LazyVirtualFileHandler.java projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/bundle/ projects/jboss-osgi/projects/runtime/framework/trunk/src/test/java/org/jboss/test/osgi/bundle/BundleVFSUnitTestCase.java Log: Remove framework/vfs Deleted: projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/BundleHandler.java =================================================================== --- projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/BundleHandler.java 2010-03-03 09:27:37 UTC (rev 101763) +++ projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/BundleHandler.java 2010-03-03 09:36:27 UTC (rev 101764) @@ -1,185 +0,0 @@ -/* - * JBoss, Home of Professional Open Source. - * Copyright 2008, Red Hat Middleware LLC, and individual contributors - * as indicated by the @author tags. See the copyright.txt file in the - * distribution for a full listing of individual contributors. - * - * This is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of - * the License, or (at your option) any later version. - * - * This software is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this software; if not, write to the Free - * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA, or see the FSF site: http://www.fsf.org. - */ -package org.jboss.osgi.framework.vfs; - -import java.io.IOException; -import java.io.InputStream; -import java.net.URI; -import java.net.URISyntaxException; -import java.net.URL; -import java.net.MalformedURLException; -import java.util.ArrayList; -import java.util.Collections; -import java.util.List; - -import org.jboss.virtual.VFSUtils; -import org.jboss.virtual.VirtualFile; -import org.jboss.virtual.plugins.context.AbstractVirtualFileHandler; -import org.jboss.virtual.spi.VFSContext; -import org.jboss.virtual.spi.VirtualFileHandler; -import org.jboss.deployers.vfs.spi.structure.helpers.AbstractStructureDeployer; -import org.osgi.framework.Bundle; - -/** - * Bundle handler. - * - * @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a> - */ -class BundleHandler extends AbstractVirtualFileHandler -{ - /** The serialVersionUID */ - private static final long serialVersionUID = 6650185906199900589L; - - private VirtualFile root; // bundle's root - private VirtualFile file; - private Bundle bundle; - - private volatile String relativePath; - private volatile URI uri; - private volatile VirtualFileHandler handler; - - public BundleHandler(VFSContext context, VirtualFile root, VirtualFile file, Bundle bundle) throws IOException - { - this(context, LazyVirtualFileHandler.create(file.getParent()), root, file, bundle); - } - - private BundleHandler(VFSContext context, VirtualFileHandler parent, VirtualFile root, VirtualFile file, Bundle bundle) throws IOException - { - super(context, parent, file.getName()); - this.root = root; - this.file = file; - this.bundle = bundle; - } - - protected VirtualFileHandler getHandler() throws IOException - { - if (handler == null) - handler = LazyVirtualFileHandler.create(file); - - return handler; - } - - protected String getRelativePath(boolean checkStart, boolean checkEnd) - { - if (relativePath == null) - relativePath = AbstractStructureDeployer.getRelativePath(root, file); - - StringBuilder path = new StringBuilder(relativePath); - if (checkStart && relativePath.startsWith("/") == false) - path.insert(0, '/'); - if (checkEnd && relativePath.endsWith("/") == false) - path.append('/'); - - return path.toString(); - } - - protected VirtualFileHandler createChildHandler(VirtualFile child) throws IOException - { - return new BundleHandler(getVFSContext(), this, root, child, bundle); - } - - public URI toURI() throws URISyntaxException - { - if (uri == null) - uri = new URI("bundle", Long.toString(bundle.getBundleId()), getRelativePath(true, false), null); - - return uri; - } - - public long getLastModified() throws IOException - { - return bundle.getLastModified(); - } - - public InputStream openStream() throws IOException - { - bundle.getResource(getRelativePath(false, false)); // permission check - - return file.openStream(); - } - - public List<VirtualFileHandler> getChildren(boolean ignoreErrors) throws IOException - { - bundle.findEntries(getRelativePath(false, false), null, false); // permission check - - List<VirtualFile> children = file.getChildren(); - if (children != null && children.isEmpty() == false) - { - List<VirtualFileHandler> handlers = new ArrayList<VirtualFileHandler>(children.size()); - for (VirtualFile child : children) - { - handlers.add(createChildHandler(child)); - } - return handlers; - } - return Collections.emptyList(); - } - - public VirtualFileHandler getChild(String path) throws IOException - { - String fullPath = getRelativePath(false, true) + path; - URL entry = bundle.getEntry(fullPath); // permission check - if (entry == null) - return null; - - VirtualFile child = file.getChild(path); // the child should exist, since entry does - return createChildHandler(child); - } - - //--------------------------------------------------------- - - @Override - protected URL toInternalVfsUrl() throws MalformedURLException, URISyntaxException - { - return toURI().toURL(); - } - - public long getSize() throws IOException - { - return file.getSize(); - } - - public boolean exists() throws IOException - { - return file.exists(); - } - - public boolean isLeaf() throws IOException - { - return file.isLeaf(); - } - - public boolean isHidden() throws IOException - { - return file.isHidden(); - } - - public boolean removeChild(String name) throws IOException - { - return getHandler().removeChild(name); - } - - public boolean isNested() throws IOException - { - return VFSUtils.isNestedFile(file); - } -} \ No newline at end of file Deleted: projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/BundleVFSContext.java =================================================================== --- projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/BundleVFSContext.java 2010-03-03 09:27:37 UTC (rev 101763) +++ projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/BundleVFSContext.java 2010-03-03 09:36:27 UTC (rev 101764) @@ -1,126 +0,0 @@ -/* - * JBoss, Home of Professional Open Source. - * Copyright 2008, Red Hat Middleware LLC, and individual contributors - * as indicated by the @author tags. See the copyright.txt file in the - * distribution for a full listing of individual contributors. - * - * This is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of - * the License, or (at your option) any later version. - * - * This software is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this software; if not, write to the Free - * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA, or see the FSF site: http://www.fsf.org. - */ -package org.jboss.osgi.framework.vfs; - -import java.io.IOException; -import java.net.URI; -import java.net.URL; - -import org.jboss.deployers.structure.spi.DeploymentUnit; -import org.jboss.deployers.vfs.spi.structure.VFSDeploymentUnit; -import org.jboss.osgi.framework.bundle.AbstractBundleState; -import org.jboss.osgi.framework.bundle.AbstractDeployedBundleState; -import org.jboss.osgi.framework.bundle.OSGiBundleManager; -import org.jboss.osgi.framework.bundle.OSGiBundleState; -import org.jboss.virtual.VirtualFile; -import org.jboss.virtual.plugins.context.AbstractVFSContext; -import org.jboss.virtual.spi.VirtualFileHandler; - -/** - * Bundle vfs context. - * - * @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a> - */ -public class BundleVFSContext extends AbstractVFSContext -{ - private String name; - private VirtualFileHandler root; - - public BundleVFSContext(URI rootURI, OSGiBundleManager manager) throws IOException - { - super(rootURI); - - name = parseName(rootURI); - - AbstractDeployedBundleState bundleState = getBundleState(rootURI, manager); - String path = parsePath(rootURI); - URL resource = bundleState.getEntry(path); // permission check - if (resource == null) - throw new IllegalArgumentException("No such resource: " + path + " in bundle: " + bundleState); - - DeploymentUnit unit = bundleState.getDeploymentUnit(); - if (unit instanceof VFSDeploymentUnit == false) - throw new IllegalArgumentException("Cannot handle non VFS deployments: " + unit); - - VFSDeploymentUnit vdu = VFSDeploymentUnit.class.cast(unit); - VirtualFile duRoot = vdu.getRoot(); - VirtualFile duFile = vdu.getFile(path); // should exist, resource != null - root = new BundleHandler(this, duRoot, duFile, bundleState); - } - - /** - * Parse context name from uri. - * - * @param uri the uri - * @return parsed context's name - */ - protected String parseName(URI uri) - { - return uri.getHost(); - } - - /** - * Parse resource path from uri. - * - * @param uri the uri - * @return parsed resource path - */ - protected String parsePath(URI uri) - { - String path = uri.getPath(); - if (path == null) - path = ""; - - return path; - } - - /** - * Get bundle state. - * - * @param uri the uri - * @param manager the osgi manager - * @return bundle state or exception if no such bundle exists - */ - protected AbstractDeployedBundleState getBundleState(URI uri, OSGiBundleManager manager) - { - String host = uri.getHost(); - long id = Long.parseLong(host); - if (id == 0) - throw new IllegalArgumentException("Cannot handle system bundle, it's too abstract."); - - AbstractBundleState abs = manager.getBundleById(id); - if (abs == null) - throw new IllegalArgumentException("No such bundle: " + id); - - return OSGiBundleState.class.cast(abs); // should be able to cast, as it's not system - } - - public String getName() - { - return name; - } - - public VirtualFileHandler getRoot() throws IOException - { - return root; - } -} Deleted: projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/BundleVFSContextFactory.java =================================================================== --- projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/BundleVFSContextFactory.java 2010-03-03 09:27:37 UTC (rev 101763) +++ projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/BundleVFSContextFactory.java 2010-03-03 09:36:27 UTC (rev 101764) @@ -1,102 +0,0 @@ -/* - * JBoss, Home of Professional Open Source. - * Copyright 2008, Red Hat Middleware LLC, and individual contributors - * as indicated by the @author tags. See the copyright.txt file in the - * distribution for a full listing of individual contributors. - * - * This is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of - * the License, or (at your option) any later version. - * - * This software is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this software; if not, write to the Free - * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA, or see the FSF site: http://www.fsf.org. - */ -package org.jboss.osgi.framework.vfs; - -import java.net.URL; -import java.net.URI; -import java.net.URISyntaxException; -import java.io.IOException; - -import org.jboss.virtual.plugins.context.AbstractContextFactory; -import org.jboss.virtual.spi.VFSContext; -import org.jboss.virtual.spi.VFSContextFactoryLocator; -import org.jboss.osgi.framework.bundle.OSGiBundleManager; - -/** - * Bundle vfs context factory. - * - * @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a> - */ -public class BundleVFSContextFactory extends AbstractContextFactory -{ - static - { - init(); - } - - private static final String HANDLER_PKGS = "java.protocol.handler.pkgs"; - private OSGiBundleManager manager; - - public BundleVFSContextFactory(OSGiBundleManager manager) - { - super("bundle"); - if (manager == null) - throw new IllegalArgumentException("Null manager"); - this.manager = manager; - } - - public static void init() - { - String pkg = BundleVFSContextFactory.class.getPackage().getName(); - String pkgs = System.getProperty(HANDLER_PKGS); - - if (pkgs == null || pkgs.trim().length() == 0) - { - pkgs = pkg; - System.setProperty(HANDLER_PKGS, pkgs); - } - else if (pkgs.contains(pkg) == false) - { - pkgs += ("|" + pkg); - System.setProperty(HANDLER_PKGS, pkgs); - } - } - - public void start() - { - VFSContextFactoryLocator.registerFactory(this); - } - - public void stop() - { - VFSContextFactoryLocator.unregisterFactory(this); - } - - public VFSContext getVFS(URL rootURL) throws IOException - { - try - { - return getVFS(rootURL.toURI()); - } - catch (URISyntaxException e) - { - IOException ioe = new IOException(); - ioe.initCause(e); - throw ioe; - } - } - - public VFSContext getVFS(URI rootURI) throws IOException - { - return new BundleVFSContext(rootURI, manager); - } -} Deleted: projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/LazyVirtualFileHandler.java =================================================================== --- projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/LazyVirtualFileHandler.java 2010-03-03 09:27:37 UTC (rev 101763) +++ projects/jboss-osgi/projects/runtime/framework/trunk/src/main/java/org/jboss/osgi/framework/vfs/LazyVirtualFileHandler.java 2010-03-03 09:36:27 UTC (rev 101764) @@ -1,105 +0,0 @@ -/* - * JBoss, Home of Professional Open Source. - * Copyright 2008, Red Hat Middleware LLC, and individual contributors - * as indicated by the @author tags. See the copyright.txt file in the - * distribution for a full listing of individual contributors. - * - * This is free software; you can redistribute it and/or modify it - * under the terms of the GNU Lesser General Public License as - * published by the Free Software Foundation; either version 2.1 of - * the License, or (at your option) any later version. - * - * This software is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this software; if not, write to the Free - * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA, or see the FSF site: http://www.fsf.org. - */ -package org.jboss.osgi.framework.vfs; - -import java.io.IOException; -import java.lang.reflect.InvocationHandler; -import java.lang.reflect.Method; -import java.lang.reflect.Proxy; -import java.security.AccessController; -import java.security.PrivilegedExceptionAction; - -import org.jboss.virtual.VirtualFile; -import org.jboss.virtual.spi.VirtualFileHandler; - -/** - * Create a lazy VirtualFileHandler based off VirtualFile - * - * @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a> - */ -class LazyVirtualFileHandler -{ - private static final Method getHandler; - - static - { - try - { - PrivilegedExceptionAction<Method> action = new PrivilegedExceptionAction<Method>() - { - public Method run() throws Exception - { - Method method = VirtualFile.class.getDeclaredMethod("getHandler"); - method.setAccessible(true); - return method; - } - }; - getHandler = AccessController.doPrivileged(action); - - } - catch (Exception e) - { - throw new RuntimeException(e); - } - } - - /** - * Create a VFH proxy, delaying the actual reflect hack. - * - * @param file the VFH owner - * @return VFH proxy - * @throws IOException for any error - */ - static VirtualFileHandler create(VirtualFile file) throws IOException - { - if (file == null) - return null; - - ClassLoader cl = LazyVirtualFileHandler.class.getClassLoader(); - Object proxy = Proxy.newProxyInstance(cl, new Class<?>[]{VirtualFileHandler.class}, new ProxyHandler(file)); - return VirtualFileHandler.class.cast(proxy); - } - - private static class ProxyHandler implements InvocationHandler - { - private VirtualFile file; - private volatile VirtualFileHandler handler; - - private ProxyHandler(VirtualFile file) - { - this.file = file; - } - - public Object invoke(Object proxy, Method method, Object[] args) throws Throwable - { - return method.invoke(getHandler(), args); - } - - private VirtualFileHandler getHandler() throws Exception - { - if (handler == null) - handler = (VirtualFileHandler)getHandler.invoke(file); - - return handler; - } - } -} \ No newline at end of file Deleted: projects/jboss-osgi/projects/runtime/framework/trunk/src/test/java/org/jboss/test/osgi/bundle/BundleVFSUnitTestCase.java =================================================================== --- projects/jboss-osgi/projects/runtime/framework/trunk/src/test/java/org/jboss/test/osgi/bundle/BundleVFSUnitTestCase.java 2010-03-03 09:27:37 UTC (rev 101763) +++ projects/jboss-osgi/projects/runtime/framework/trunk/src/test/java/org/jboss/test/osgi/bundle/BundleVFSUnitTestCase.java 2010-03-03 09:36:27 UTC (rev 101764) @@ -1,233 +0,0 @@ -/* -* JBoss, Home of Professional Open Source -* Copyright 2009, Red Hat Middleware LLC, and individual contributors -* as indicated by the @author tags. See the copyright.txt file in the -* distribution for a full listing of individual contributors. -* -* This is free software; you can redistribute it and/or modify it -* under the terms of the GNU Lesser General Public License as -* published by the Free Software Foundation; either version 2.1 of -* the License, or (at your option) any later version. -* -* This software is distributed in the hope that it will be useful, -* but WITHOUT ANY WARRANTY; without even the implied warranty of -* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -* Lesser General Public License for more details. -* -* You should have received a copy of the GNU Lesser General Public -* License along with this software; if not, write to the Free -* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA -* 02110-1301 USA, or see the FSF site: http://www.fsf.org. -*/ -package org.jboss.test.osgi.bundle; - -import java.io.IOException; -import java.io.InputStream; -import java.net.URI; -import java.net.URL; -import java.util.List; -import java.util.concurrent.atomic.AtomicInteger; - -import junit.framework.Test; - -import org.jboss.osgi.framework.vfs.BundleVFSContextFactory; -import org.jboss.test.osgi.FrameworkTest; -import org.jboss.virtual.VFS; -import org.jboss.virtual.VirtualFile; -import org.jboss.virtual.VirtualFileFilter; -import org.jboss.virtual.VirtualFileVisitor; -import org.jboss.virtual.VisitorAttributes; -import org.osgi.framework.Bundle; - -/** - * BundleVFSUnitTestCase. - * - * TODO test security - * TODO test fragments - * @author <a href=&quot;ales.justin(a)jboss.org&quot;&gt;Ales Justin</a> - */ -public class BundleVFSUnitTestCase extends FrameworkTest -{ - private BundleVFSContextFactory factory; - - public static Test suite() - { - return suite(BundleVFSUnitTestCase.class); - } - - public BundleVFSUnitTestCase(String name) - { - super(name); - } - - @Override - protected void setUp() throws Exception - { - super.setUp(); - - factory = new BundleVFSContextFactory(getBundleManager()); - factory.start(); - } - - @Override - protected void tearDown() throws Exception - { - factory.stop(); - factory = null; - - super.tearDown(); - } - - public void testBasicOps() throws Exception - { - Bundle bundle = addBundle("/bundles/entries/", "entries-simple"); - try - { - URI uri = createURI(bundle, null); - assertBundleByURI(uri, 0, true, "root.xml"); - - uri = createURI(bundle, "root.xml"); - assertBundleByURI(uri, 0, false, null); - - uri = createURI(bundle, "META-INF"); - assertBundleByURI(uri, -1, true, "MANIFEST.MF"); - - uri = createURI(bundle, "META-INF/MANIFEST.MF"); - assertBundleByURI(uri, 0, false, null); - } - finally - { - uninstall(bundle); - } - } - - public void testBasicNavigation() throws Exception - { - Bundle bundle = addBundle("/bundles/entries/", "entries-simple"); - try - { - URI uri = createURI(bundle, null); - VirtualFile root = VFS.getRoot(uri); - assertNotNull(root); - - VirtualFile metainf = root.getChild("META-INF"); - assertBundleByFile(metainf, -1, true, "MANIFEST.MF"); - List<VirtualFile> children = metainf.getChildren(); - assertTrue(children != null && children.size() == 1); - assertEquals(root, metainf.getParent()); - - VirtualFile manifest = metainf.getChild("MANIFEST.MF"); - assertBundleByFile(manifest, 0, false, null); - } - finally - { - uninstall(bundle); - } - } - - public void testVisitor() throws Exception - { - Bundle bundle = addBundle("/bundles/entries/", "entries-simple"); - try - { - URI uri = createURI(bundle, null); - VirtualFile root = VFS.getRoot(uri); - assertNotNull(root); - - List<VirtualFile> children = root.getChildren(new VirtualFileFilter() - { - public boolean accepts(VirtualFile file) - { - return file.getPathName().contains("META-INF"); - } - }); - assertTrue(children != null && children.size() == 1); - - children = root.getChildrenRecursively(new VirtualFileFilter() - { - public boolean accepts(VirtualFile file) - { - return file.getPathName().contains("META-INF"); - } - }); - assertTrue(children != null && children.size() == 2); - - final AtomicInteger counter = new AtomicInteger(0); - root.visit(new VirtualFileVisitor() - { - public VisitorAttributes getAttributes() - { - return VisitorAttributes.RECURSE_LEAVES_ONLY; - } - - public void visit(VirtualFile file) - { - if (file.getName().equals("entry2.xml")) counter.incrementAndGet(); - } - }); - assertEquals(2, counter.get()); - } - finally - { - uninstall(bundle); - } - } - - protected URI createURI(Bundle bundle, String path) throws Exception - { - if (path == null) - path = ""; - if (path != null && path.startsWith("/") == false) - path = "/" + path; - - return new URI("bundle", Long.toString(bundle.getBundleId()), path, null); - } - - protected void assertBundleByURI(URI uri, int available, boolean hasChildren, String path) throws Exception - { - VFS vfs = VFS.getVFS(uri); - assertNotNull(vfs); - VirtualFile file = vfs.getRoot(); - assertNotNull(file); - - URI bURI = file.toURI(); - assertEquals(uri, bURI); - URL url = uri.toURL(); - assertEquals(url, file.toURL()); - - assertBundleByFile(file, available, hasChildren, path); - - // check url - file = VFS.getRoot(url); - assertBundleByFile(file, available, hasChildren, path); - } - - protected void assertBundleByFile(VirtualFile file, int available, boolean hasChildren, String path) throws IOException - { - long lastModified = file.getLastModified(); - assertTrue(lastModified >= 0); - - InputStream is = file.openStream(); - try - { - assertTrue(is.available() > available); - } - finally - { - is.close(); - } - - List<VirtualFile> children = file.getChildren(); - assertEquals(hasChildren, children != null && children.isEmpty() == false); - - String cp = path; - if (cp == null) - cp = "rubbish"; // :-) - - VirtualFile child = file.getChild(cp); - assertEquals(path != null, child != null); - - if (child != null) - assertEquals(file, child.getParent()); - } -} \ No newline at end of file