From bdd0a41aed7edf21ec2a65cfa17a86af2ef8c48a Mon Sep 17 00:00:00 2001 From: dims Date: Tue, 17 Jun 2008 00:23:01 +0000 Subject: Move Tuscany from Incubator to top level. git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@668359 13f79535-47bb-0310-9956-ffa450edef68 --- .../java/org/apache/tuscany/host/Launcher.java | 57 ++++++++ .../org/apache/tuscany/host/MonitorFactory.java | 49 +++++++ .../java/org/apache/tuscany/host/RuntimeInfo.java | 63 +++++++++ .../java/org/apache/tuscany/host/rmi/RMIHost.java | 49 +++++++ .../org/apache/tuscany/host/rmi/RMIHostAdmin.java | 39 ++++++ .../apache/tuscany/host/rmi/RMIHostException.java | 46 +++++++ .../tuscany/host/rmi/RMIHostRuntimeException.java | 45 +++++++ .../tuscany/host/runtime/TuscanyRuntime.java | 146 +++++++++++++++++++++ .../host/servlet/ServletRequestInjector.java | 41 ++++++ .../org/apache/tuscany/host/util/LaunchHelper.java | 107 +++++++++++++++ 10 files changed, 642 insertions(+) create mode 100644 branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/Launcher.java create mode 100644 branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/MonitorFactory.java create mode 100644 branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/RuntimeInfo.java create mode 100644 branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHost.java create mode 100644 branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHostAdmin.java create mode 100644 branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHostException.java create mode 100644 branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHostRuntimeException.java create mode 100644 branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/runtime/TuscanyRuntime.java create mode 100644 branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/servlet/ServletRequestInjector.java create mode 100644 branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/util/LaunchHelper.java (limited to 'branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache') diff --git a/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/Launcher.java b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/Launcher.java new file mode 100644 index 0000000000..64f2e8b9a0 --- /dev/null +++ b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/Launcher.java @@ -0,0 +1,57 @@ +/* + * 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.tuscany.host; + +import java.net.URL; + +import org.osoa.sca.CompositeContext; + +import org.apache.tuscany.api.TuscanyException; + +/** + * Interface that allows a host to launch a runtime. + * + * @version $Rev$ $Date$ + */ +public interface Launcher { + /** + * Boot the Tuscany runtime. + * + * @param systemScdl the SCDL defining the runtime's system configuration + * @param systemClassLoader the root classloader to use to deploy the system SCDL + * @param monitorFactory the monitor factory initialize the runtime with + * @throws TuscanyException if there was a problem booting the runtimr + */ + void bootRuntime(URL systemScdl, ClassLoader systemClassLoader, MonitorFactory monitorFactory) + throws TuscanyException; + + /** + * Shutdown the Tuscany runtime. + */ + void shutdownRuntime(); + + /** + * Boot a default application into the runtime. + * + * @param applicationScdl the application's SCDL + * @param applicationClassLoader the classloader to use to deploy the application + * @return the CompositeContext for the application + */ + CompositeContext bootApplication(URL applicationScdl, ClassLoader applicationClassLoader); +} diff --git a/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/MonitorFactory.java b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/MonitorFactory.java new file mode 100644 index 0000000000..d338681641 --- /dev/null +++ b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/MonitorFactory.java @@ -0,0 +1,49 @@ +/* + * 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.tuscany.host; + +import java.util.Map; + +/** + * A MonitorFactory creates implementations of components' monitor interfaces that interface with a its monitoring + * scheme. For example, a implementation may create versions that emit appropriate logging events or which send + * notifications to a management API. + * + * MonitorFactory implementations must provide a no-arg constructor and implement the {@link #initialize} method + * to perform configuration of instances created using that constructor. Additional constructors may be defined; + * typically their implementations delegate to {@link #initialize}. + * + * @version $Rev$ $Date$ + */ +public interface MonitorFactory { + /** + * Initializes MonitorFactory instances with implementation-specific configuration properties. + * + * @param configProperties a map of named configuration properties. May be null. + * @throws IllegalArgumentException if the instance can't be configured using the supplied properties + */ + void initialize(Map configProperties); + /** + * Return a monitor for a component's monitor interface. + * + * @param monitorInterface the component's monitoring interface + * @return an implementation of the monitoring interface; will not be null + */ + T getMonitor(Class monitorInterface); +} diff --git a/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/RuntimeInfo.java b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/RuntimeInfo.java new file mode 100644 index 0000000000..b22235f4c3 --- /dev/null +++ b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/RuntimeInfo.java @@ -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.tuscany.host; + +import java.io.File; +import java.net.URL; + +/** + * Interface that provides information on the runtime environment. + * + * @version $Rev$ $Date$ + */ +public interface RuntimeInfo { + /** + * The default name that the runtime should assign to the component providing this service. + */ + String COMPONENT_NAME = "RuntimeInfo"; + + /** + * Return the directory where the running runtime was installed. + * + * @return the directory where the runtime was installed + */ + File getInstallDirectory(); + + /** + * Return the root directory used to resolve application file paths. + * + * @return the directory used to resolve application file paths. + */ + File getApplicationRootDirectory(); + + /** + * Gets the base URL for the runtime. + * + * @return The base URL for the runtime. + */ + URL getBaseURL(); + + /** + * Returns whether the runtime considers itself "online" or connected to the internet. + * This can be used by services to enable access to remote resources. + * + * @return true if the runtime is online. + */ + boolean isOnline(); +} diff --git a/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHost.java b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHost.java new file mode 100644 index 0000000000..203179de92 --- /dev/null +++ b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHost.java @@ -0,0 +1,49 @@ +/* + * 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.tuscany.host.rmi; + +import java.rmi.Remote; + +/* RMI Service hosting interface to be implemented by host environments that allows SCA Components + * to register RMI Services to handle inbound service requests over RMI to SCA Components + */ + +public interface RMIHost { + int RMI_DEFAULT_PORT = 1099; + + // registers an RMI service with the given name and port + void registerService(String serviceName, int port, Remote serviceObject) throws RMIHostException, + RMIHostRuntimeException; + + // registers an RMI service with the given name and default port (1099) + void registerService(String serviceName, Remote serviceObject) throws RMIHostException, + RMIHostRuntimeException; + + // unregister a service registered under the given service name and port number + void unregisterService(String serviceName, int port) throws RMIHostException, + RMIHostRuntimeException; + + // unregister a service registered under the given service name and defalut port number (1099) + void unregisterService(String serviceName) throws RMIHostException, + RMIHostRuntimeException; + + //find a remote service hosted on the given host, port and service name + Remote findService(String host, String port, String svcName) throws RMIHostException, + RMIHostRuntimeException; +} diff --git a/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHostAdmin.java b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHostAdmin.java new file mode 100644 index 0000000000..dedfff1cdd --- /dev/null +++ b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHostAdmin.java @@ -0,0 +1,39 @@ +/* + * 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.tuscany.host.rmi; + +import java.rmi.registry.Registry; +import java.util.List; + +/* RMI Service hosting Admin Interface to be implemented by host environments that allows SCA Components + * to register RMI Services to handle inbound service requests over RMI to SCA Components. This interface + * can be used by admin functions to obtain information on RMI registries started and running in the host + * environment + */ + +public interface RMIHostAdmin { + //gets all RMI registries running on the host. Each element of the list is an object of type + //java.rmi.registry + List getAllRegistries() throws RMIHostRuntimeException; + + //gets a registry that is running at a particular port + Registry getRegistry(int port) throws RMIHostRuntimeException; + + //more methods to be added +} diff --git a/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHostException.java b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHostException.java new file mode 100644 index 0000000000..3a5d27dcc7 --- /dev/null +++ b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHostException.java @@ -0,0 +1,46 @@ +/* + * 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.tuscany.host.rmi; + +import org.apache.tuscany.api.TuscanyException; + +/** + * This exception will relate to situations where the end applicaition's + * input is the cause of the exception + * + */ +public class RMIHostException extends TuscanyException { + + private static final long serialVersionUID = -1L; + + public RMIHostException() { + } + + public RMIHostException(String message) { + super(message); + } + + public RMIHostException(Throwable e) { + super(e); + } + + public RMIHostException(String message, Throwable cause) { + super(message, cause); + } +} diff --git a/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHostRuntimeException.java b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHostRuntimeException.java new file mode 100644 index 0000000000..35b207b5d2 --- /dev/null +++ b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/rmi/RMIHostRuntimeException.java @@ -0,0 +1,45 @@ +/* + * 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.tuscany.host.rmi; + +import org.apache.tuscany.api.TuscanyRuntimeException; + +/** + * This exception relates to cases where there is a problem with the + * Host runtime + * + */ +public class RMIHostRuntimeException extends TuscanyRuntimeException { + private static final long serialVersionUID = -1L; + + public RMIHostRuntimeException() { + } + + public RMIHostRuntimeException(String message) { + super(message); + } + + public RMIHostRuntimeException(Throwable e) { + super(e); + } + + public RMIHostRuntimeException(String message, Throwable cause) { + super(message, cause); + } +} diff --git a/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/runtime/TuscanyRuntime.java b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/runtime/TuscanyRuntime.java new file mode 100644 index 0000000000..72bdc38774 --- /dev/null +++ b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/runtime/TuscanyRuntime.java @@ -0,0 +1,146 @@ +/* + * 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.tuscany.host.runtime; + +import java.net.URL; + +import org.osoa.sca.SCA; + +import org.apache.tuscany.host.RuntimeInfo; +import org.apache.tuscany.host.MonitorFactory; + +/** + * @version $Rev$ $Date$ + */ +public interface TuscanyRuntime { + /** + * Returns the location of the SCDL used to boot this runtime. + * + * @return the location of the SCDL used to boot this runtime + */ + URL getSystemScdl(); + + /** + * Sets the location of the SCDL used to boot this runtime. + * + * @param systemScdl the location of the SCDL used to boot this runtime + */ + void setSystemScdl(URL systemScdl); + + /** + * Returns the name of the component associated with the application SCDL. + * @return the name of the component associated with the application SCDL + */ + String getApplicationName(); + + /** + * Sets the name of the component associated with the application SCDL. + * @param applicationName the name of the component associated with the application SCDL + */ + void setApplicationName(String applicationName); + + /** + * Returns the location of the default application's SCDL. + * + * @return the location of the default application's SCDL + */ + URL getApplicationScdl(); + + /** + * Sets the location of the default application's SCDL + * + * @param applicationScdl the location of the default application's SCDL + */ + void setApplicationScdl(URL applicationScdl); + + /** + * Returns the host ClassLoader that is parent to all Tuscany classloaders. + * + * @return the host's ClassLoader + */ + ClassLoader getHostClassLoader(); + + /** + * Sets the host ClassLoader; this will be a parent for all Tuscany classloaders. + * + * @param classLoader the host's ClassLoader + */ + void setHostClassLoader(ClassLoader classLoader); + + /** + * Returns the info this runtime will make available to service components. + * + * @return the info this runtime will make available to service components + */ + RuntimeInfo getRuntimeInfo(); + + /** + * Sets the info this runtime should make available to service components. + * The instance supplied here should be registered in the system composite with the name + * {@link RuntimeInfo#COMPONENT_NAME "RuntimeInfo"}. + * + * @param runtimeInfo the information this runtime should make available to service components + */ + void setRuntimeInfo(RuntimeInfo runtimeInfo); + + /** Returns the MonitorFactory that this runtime is using. + * + * @return the MonitorFactory that this runtime is using + */ + MonitorFactory getMonitorFactory(); + + /** + * Sets the MonitorFactory that this runtime should use. + * @param monitorFactory the MonitorFactory that this runtime should use + */ + void setMonitorFactory(MonitorFactory monitorFactory); + + /** + * Create the default MonitorFactory for this runtime. + * + * @return the default MonitorFactory for this runtime + */ + MonitorFactory createDefaultMonitorFactory(); + + /** + * Initialize a runtime. + * + */ + void initialize(); + + /** + * Destroy the runtime. Any further invocations should result in an error. + */ + void destroy(); + + /** + * Returns the current SCA context + */ + SCA getContext(); + + /** + * Get the application classloader + */ + ClassLoader getApplicationClassLoader(); + + /** + * Set the application classloader + */ + void setApplicationClassLoader(ClassLoader applicationClassLoader); +} diff --git a/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/servlet/ServletRequestInjector.java b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/servlet/ServletRequestInjector.java new file mode 100644 index 0000000000..e4b11aee90 --- /dev/null +++ b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/servlet/ServletRequestInjector.java @@ -0,0 +1,41 @@ +/* + * 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.tuscany.host.servlet; + +import java.io.IOException; +import javax.servlet.ServletException; +import javax.servlet.ServletRequest; +import javax.servlet.ServletResponse; + +/** + * Interface to a system component that dispatches servlet requests to the Tuscany runtime + */ +public interface ServletRequestInjector { + + /** + * Dispatch servlet requests to the Tuscany runtime + * + * @param req the ServletRequest object that contains the request the client made of the servlet + * @param res the ServletResponse object that contains the response the servlet returns to the client + * @throws ServletException if the request cannot be handled + * @throws IOException if an input or output error occurs while handling the request + */ + void service(ServletRequest req, ServletResponse res) throws ServletException, IOException; + +} diff --git a/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/util/LaunchHelper.java b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/util/LaunchHelper.java new file mode 100644 index 0000000000..c0f9003b89 --- /dev/null +++ b/branches/sca-java-M2/sca/kernel/host-api/src/main/java/org/apache/tuscany/host/util/LaunchHelper.java @@ -0,0 +1,107 @@ +/* + * 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.tuscany.host.util; + +import java.io.File; +import java.io.FilenameFilter; +import java.lang.reflect.InvocationTargetException; +import java.lang.reflect.Method; +import java.net.MalformedURLException; +import java.net.URL; + +/** + * @version $Rev$ $Date$ + */ +public final class LaunchHelper { + + ///CLOVER:OFF + private LaunchHelper() { + } + + /** + * Scan a directory for jar files to be added to the classpath. + * + * @param lib the directory to scan + * @return the URLs or jar files in that directory + */ + public static URL[] scanDirectoryForJars(File lib) { + File[] jars = lib.listFiles(new FilenameFilter() { + public boolean accept(File dir, String name) { + return name.endsWith(".jar"); + } + }); + + URL[] urls = new URL[jars.length]; + for (int i = 0; i < jars.length; i++) { + try { + urls[i] = jars[i].toURI().toURL(); + } catch (MalformedURLException e) { + // toURI should have escaped the URL + throw new AssertionError(); + } + } + return urls; + } + + /** + * Set a JavaBean property on an object. + * + * @param instance the object whose property should be set + * @param name the name of the property + * @param value the value to set it to + */ + public static void setProperty(Object instance, String name, Object value) { + Class beanType = instance.getClass(); + name = "set" + Character.toUpperCase(name.charAt(0)) + name.substring(1); + Class propertyType = value.getClass(); + try { + Method setter = beanType.getMethod(name, propertyType); + setter.invoke(instance, value); + } catch (NoSuchMethodException e) { + throw new IllegalArgumentException(e); + } catch (IllegalAccessException e) { + throw new IllegalArgumentException(e); + } catch (InvocationTargetException e) { + throw new IllegalStateException(e.getCause()); + } + } + + /** + * Invoke a method on an object. + * + * @param instance the object to invoke + * @param name the name of the method to invoke + * @param args arguments to call the method with + * @return the value returned by the method + * @throws InvocationTargetException if the method throw an Exception + */ + public static Object invoke(Object instance, String name, Class[] paramTypes, Object... args) + throws InvocationTargetException { + try { + Method method = instance.getClass().getMethod(name, paramTypes); + return method.invoke(instance, (Object[]) args); + } catch (NoSuchMethodException e) { + throw new IllegalArgumentException(e); + } catch (IllegalAccessException e) { + throw new IllegalArgumentException(e); + } + } + + +} -- cgit v1.2.3