[seam-commits] Seam SVN: r7232 - in trunk/src: main/META-INF and 3 other directories.

Author: pete.muir(a)jboss.org Date: 2008-01-25 07:56:35 -0500 (Fri, 25 Jan 2008) New Revision: 7232 Added: trunk/src/jbas5/META-INF/seam-deployment.properties trunk/src/main/META-INF/seam-deployment.properties trunk/src/main/org/jboss/seam/bpm/JbpmDeploymentHandler.java Removed: trunk/src/jbas5/META-INF/seam-scanner.properties Modified: trunk/src/main/org/jboss/seam/deployment/AbstractDeploymentHandler.java trunk/src/main/org/jboss/seam/deployment/ComponentDeploymentHandler.java trunk/src/main/org/jboss/seam/deployment/DeploymentHandler.java trunk/src/main/org/jboss/seam/deployment/DeploymentStrategy.java trunk/src/main/org/jboss/seam/deployment/GroovyDeploymentHandler.java trunk/src/main/org/jboss/seam/deployment/HotDeploymentStrategy.java trunk/src/main/org/jboss/seam/deployment/NamespaceDeploymentHandler.java trunk/src/main/org/jboss/seam/deployment/StandardDeploymentStrategy.java trunk/src/main/org/jboss/seam/init/Initialization.java Log: JBSEAM-1342 Copied: trunk/src/jbas5/META-INF/seam-deployment.properties (from rev 7222, trunk/src/jbas5/META-INF/seam-scanner.properties) =================================================================== --- trunk/src/jbas5/META-INF/seam-deployment.properties (rev 0) +++ trunk/src/jbas5/META-INF/seam-deployment.properties 2008-01-25 12:56:35 UTC (rev 7232) @@ -0,0 +1 @@ +org.jboss.seam.deployment.scanners=org.jboss.seam.as5.vfs.VFSScanner Deleted: trunk/src/jbas5/META-INF/seam-scanner.properties =================================================================== --- trunk/src/jbas5/META-INF/seam-scanner.properties 2008-01-25 12:54:42 UTC (rev 7231) +++ trunk/src/jbas5/META-INF/seam-scanner.properties 2008-01-25 12:56:35 UTC (rev 7232) @@ -1 +0,0 @@ -org.jboss.seam.deployment.scanners=org.jboss.seam.as5.vfs.VFSScanner:org.jboss.seam.deployment.URLScanner Added: trunk/src/main/META-INF/seam-deployment.properties =================================================================== Property changes on: trunk/src/main/META-INF/seam-deployment.properties ___________________________________________________________________ Name: svn:mime-type + text/plain Added: trunk/src/main/org/jboss/seam/bpm/JbpmDeploymentHandler.java =================================================================== --- trunk/src/main/org/jboss/seam/bpm/JbpmDeploymentHandler.java (rev 0) +++ trunk/src/main/org/jboss/seam/bpm/JbpmDeploymentHandler.java 2008-01-25 12:56:35 UTC (rev 7232) @@ -0,0 +1,46 @@ +package org.jboss.seam.bpm; + +import java.util.ArrayList; +import java.util.List; + +import org.jboss.seam.deployment.AbstractDeploymentHandler; + +/** + * Handles jBPM resources discovered on scan + * + * TODO Hook this into the Jbpm component + * + * @author Pete Muir + * + */ +public class JbpmDeploymentHandler extends AbstractDeploymentHandler +{ + + private List<String> jpdlResources; + + public JbpmDeploymentHandler() + { + jpdlResources = new ArrayList<String>(); + } + + public static final String NAME = "org.jboss.seam.bpm.JbpmDeploymentHandler"; + + public String getName() + { + return NAME; + } + + public void handle(String name, ClassLoader classLoader) + { + if ( name.endsWith(".jpdl.xml") && !name.startsWith(".gpd") ) + { + jpdlResources.add(name); + } + } + + public List<String> getJpdlResources() + { + return jpdlResources; + } + +} Property changes on: trunk/src/main/org/jboss/seam/bpm/JbpmDeploymentHandler.java ___________________________________________________________________ Name: svn:mime-type + text/plain Modified: trunk/src/main/org/jboss/seam/deployment/AbstractDeploymentHandler.java =================================================================== --- trunk/src/main/org/jboss/seam/deployment/AbstractDeploymentHandler.java 2008-01-25 12:54:42 UTC (rev 7231) +++ trunk/src/main/org/jboss/seam/deployment/AbstractDeploymentHandler.java 2008-01-25 12:56:35 UTC (rev 7232) @@ -93,6 +93,10 @@ } - + @Override + public String toString() + { + return getName(); + } } Modified: trunk/src/main/org/jboss/seam/deployment/ComponentDeploymentHandler.java =================================================================== --- trunk/src/main/org/jboss/seam/deployment/ComponentDeploymentHandler.java 2008-01-25 12:54:42 UTC (rev 7231) +++ trunk/src/main/org/jboss/seam/deployment/ComponentDeploymentHandler.java 2008-01-25 12:56:35 UTC (rev 7232) @@ -105,4 +105,9 @@ return name.substring( 0, name.lastIndexOf(".class") ) + ".component.xml"; } + public String getName() + { + return NAME; + } + } Modified: trunk/src/main/org/jboss/seam/deployment/DeploymentHandler.java =================================================================== --- trunk/src/main/org/jboss/seam/deployment/DeploymentHandler.java 2008-01-25 12:54:42 UTC (rev 7231) +++ trunk/src/main/org/jboss/seam/deployment/DeploymentHandler.java 2008-01-25 12:56:35 UTC (rev 7232) @@ -17,4 +17,10 @@ * @param classLoader The ClassLoader on which the resource was found */ public void handle(String name, ClassLoader classLoader); + + /** + * A key used to identify the deployment handler + */ + public String getName(); + } Modified: trunk/src/main/org/jboss/seam/deployment/DeploymentStrategy.java =================================================================== --- trunk/src/main/org/jboss/seam/deployment/DeploymentStrategy.java 2008-01-25 12:54:42 UTC (rev 7231) +++ trunk/src/main/org/jboss/seam/deployment/DeploymentStrategy.java 2008-01-25 12:56:35 UTC (rev 7232) @@ -2,19 +2,22 @@ import static org.jboss.seam.util.Strings.split; +import java.io.IOException; import java.lang.reflect.Constructor; import java.lang.reflect.InvocationTargetException; +import java.net.URL; +import java.util.ArrayList; +import java.util.Enumeration; import java.util.HashMap; -import java.util.Locale; +import java.util.List; import java.util.Map; -import java.util.MissingResourceException; -import java.util.ResourceBundle; +import java.util.Properties; import org.jboss.seam.log.LogProvider; import org.jboss.seam.log.Logging; /** - * A {@link DeploymentStrategy} coordinates the deploy of resources for a Seam + * A {@link DeploymentStrategy} coordinates the deployment of resources for a Seam * application. * * @author Pete Muir @@ -29,25 +32,104 @@ private Map<String, DeploymentHandler> deploymentHandlers; - public DeploymentStrategy() + /** + * The key under which to list possible scanners. System properties take + * precedence over /META-INF/seam-scanner.properties. Entries will be tried + * in sequential order until a Scanner can be loaded. + * + * This can be specified as a System property or in + * /META-INF/seam-deployment.properties + */ + public static final String SCANNERS_KEY = "org.jboss.seam.deployment.scanners"; + + + + /** + * The resource bundle used to control Seam deployment + */ + public static final String RESOURCE_BUNDLE = "META-INF/seam-deployment.properties"; + + // All resource bundles to use, including legacy names + private static final String[] RESOURCE_BUNDLES = { RESOURCE_BUNDLE, "META-INF/seam-scanner.properties" }; + + /** + * Get a list of possible values for a given key. + * + * First, System properties are tried, followed by the specified resource + * bundle (first in classpath only). + * + * Colon (:) deliminated lists are split out. + * + */ + protected List<String> getPropertyValues(String key) { - this.deploymentHandlers = new HashMap<String, DeploymentHandler>(); + List<String>values = new ArrayList<String>(); + addPropertyFromSystem(key, values); + addPropertyFromResourceBundle(key, values); + return values; } + private void addPropertyFromSystem(String key, List<String> values) + { + addProperty(key, System.getProperty(key), values); + } + + private void addPropertyFromResourceBundle(String key, List<String> values) + { + for (String resourceName : RESOURCE_BUNDLES) + { + try + { + // Hard to cache as we have to get it off the correct classloader + Enumeration<URL> urlEnum = getClassLoader().getResources(resourceName); + while ( urlEnum.hasMoreElements() ) + { + URL url = urlEnum.nextElement(); + Properties properties = new Properties(); + properties.load(url.openStream()); + addProperty(key, properties.getProperty(key), values); + } + } + catch (IOException e) + { + // No-op, optional file + } + } + } + + /* + * Add the property to the set of properties only if it hasn't already been added + */ + private void addProperty(String key, String value, List<String> values) + { + if (value != null) + { + String[] properties = split(value, ":"); + for (String property : properties) + { + values.add(property); + } + + } + } + /** * Do the scan for resources * + * Should only be called by Seam + * */ public abstract void scan(); /** * Get the scanner being used + * */ protected Scanner getScanner() { if (scanner == null) { - scanner = createScanner(); + initScanner(); } return scanner; } @@ -65,9 +147,21 @@ */ public Map<String, DeploymentHandler> getDeploymentHandlers() { + if (deploymentHandlers == null) + { + initDeploymentHandlers(); + } return this.deploymentHandlers; } + + private void initDeploymentHandlers() + { + this.deploymentHandlers = new HashMap<String, DeploymentHandler>(); + addHandlers(getPropertyValues(getDeploymentHandlersKey())); + } + protected abstract String getDeploymentHandlersKey(); + /** * Handle a resource using any registered {@link DeploymentHandler}s * @@ -77,78 +171,27 @@ { for (String key: getDeploymentHandlers().keySet()) { - DeploymentHandler deploymentHandler = getDeploymentHandlers().get(key); - deploymentHandler.handle(name, getClassLoader()); + getDeploymentHandlers().get(key).handle(name, getClassLoader()); } } - - private Scanner createScanner() + + private void initScanner() { - Scanner scanner = getScannerFromResource(); - if (scanner == null) + List<String> scanners = getPropertyValues(SCANNERS_KEY); + for ( String className : scanners ) { - scanner = getScannerFromSystemProperty(); - } - if (scanner == null) - { - log.debug("Using default URLScanner"); - scanner = new URLScanner(this); - } - return scanner; - } - - private Scanner getScannerFromSystemProperty() - { - String scanners = System.getProperty("org.jboss.seam.deployment.scanners"); - if (scanners != null) - { - log.debug("Tring to load scanner from system property"); - Scanner scanner = loadScanner(scanners); + Scanner scanner = instantiateScanner(className); if (scanner != null) { - log.debug("Using " + scanner.getClass().getName() + " specified in /META-INF/seam-scanner.properties"); - return scanner; - } + log.debug("Using " + scanner.toString()); + this.scanner = scanner; + return; + } } - return null; + log.debug("Using default URLScanner"); + this.scanner = new URLScanner(this); } - private Scanner getScannerFromResource() - { - // Load seam-scanner.properties from the classpath, try to - // load any scanners specified there - try - { - String scanners = ResourceBundle.getBundle("META-INF/seam-scanner", Locale.getDefault(), getClassLoader()).getString("org.jboss.seam.deployment.scanners"); - log.debug("Tring to load scanner from /META-INF/seam-scanner.properties"); - Scanner scanner = loadScanner(scanners); - if (scanner != null) - { - log.debug("Using " + scanner.getClass().getName() + " specified in /META-INF/seam-scanner.properties"); - return scanner; - } - log.debug("Unable to load any scanner from /META-INF/seam-scanner.properties"); - } - catch (MissingResourceException e) - { - // no-op - } - return null; - } - - private Scanner loadScanner(String scanners) - { - for (String className : split(scanners, ":")) - { - Scanner scanner = instantiateScanner(className); - if (scanner != null) - { - return scanner; - } - } - return null; - } - private Scanner instantiateScanner(String className) { try @@ -196,4 +239,48 @@ return null; } + private void addHandlers(List<String> handlers) + { + for (String handler : handlers) + { + addHandler(handler); + } + } + + private void addHandler(String className) + { + DeploymentHandler deploymentHandler = instantiateDeploymentHandler(className); + if (deploymentHandler != null) + { + log.debug("Adding " + deploymentHandler + " as a deployment handler"); + deploymentHandlers.put(deploymentHandler.getName(), deploymentHandler); + } + } + + private DeploymentHandler instantiateDeploymentHandler(String className) + { + try + { + Class<DeploymentHandler> clazz = (Class<DeploymentHandler>) getClassLoader().loadClass(className); + return clazz.newInstance(); + } + catch (ClassNotFoundException e) + { + log.trace("Unable to use " + className + " as a deployment handler (class not found)", e); + } + catch (NoClassDefFoundError e) + { + log.trace("Unable to use " + className + " as a deployment handler (dependency not found)", e); + } + catch (InstantiationException e) + { + log.trace("Unable to instantiate deployment handler " + className, e); + } + catch (IllegalAccessException e) + { + log.trace("Unable to instantiate deployment handler " + className, e); + } + return null; + } + } Modified: trunk/src/main/org/jboss/seam/deployment/GroovyDeploymentHandler.java =================================================================== --- trunk/src/main/org/jboss/seam/deployment/GroovyDeploymentHandler.java 2008-01-25 12:54:42 UTC (rev 7231) +++ trunk/src/main/org/jboss/seam/deployment/GroovyDeploymentHandler.java 2008-01-25 12:56:35 UTC (rev 7232) @@ -133,5 +133,10 @@ { return name.substring(0, name.lastIndexOf(groovyFileExtension)) + ".component.xml"; } + + public String getName() + { + return NAME; + } } Modified: trunk/src/main/org/jboss/seam/deployment/HotDeploymentStrategy.java =================================================================== --- trunk/src/main/org/jboss/seam/deployment/HotDeploymentStrategy.java 2008-01-25 12:54:42 UTC (rev 7231) +++ trunk/src/main/org/jboss/seam/deployment/HotDeploymentStrategy.java 2008-01-25 12:56:35 UTC (rev 7232) @@ -7,6 +7,7 @@ import java.net.URLClassLoader; import java.util.Set; +import org.jboss.seam.contexts.Contexts; import org.jboss.seam.util.Reflections; /** @@ -20,8 +21,30 @@ /** * The default path at which hot deployable Seam components are placed */ - public static final String HOT_DEPLOYMENT_DIRECTORY_PATH = "WEB-INF/dev"; + public static final String DEFAULT_HOT_DEPLOYMENT_DIRECTORY_PATH = "WEB-INF/dev"; + /** + * The contextual variable name this deployment strategy is made available at + * during Seam startup. + */ + public static final String NAME = "org.jboss.seam.deployment.hotDeploymentStrategy"; + + /** + * The key under which to list extra hot deployment directories + * + * This can be specified as a System property or in + * /META-INF/seam-deployment.properties + */ + //public static final String HOT_DEPLOY_DIRECTORIES_KEY = "org.jboss.seam.deployment.hotDeploymentDirectories"; + + /** + * The key under which to list extra deployment handlers. + * + * This can be specified as a System property or in + * /META-INF/seam-deployment.properties + */ + public static final String HANDLERS_KEY = "org.jboss.seam.deployment.hotDeploymentHandlers"; + private ClassLoader hotDeployClassLoader; private File[] hotDeploymentPaths; @@ -37,7 +60,7 @@ { initHotDeployClassLoader(classLoader, hotDeployDirectory); componentDeploymentHandler = new ComponentDeploymentHandler(); - getDeploymentHandlers().put(ComponentDeploymentHandler.NAME, componentDeploymentHandler); + getDeploymentHandlers().put(ComponentDeploymentHandler.NAME, componentDeploymentHandler); } private void initHotDeployClassLoader(ClassLoader classLoader, File hotDeployDirectory) @@ -58,6 +81,12 @@ throw new RuntimeException(mue); } } + + @Override + protected String getDeploymentHandlersKey() + { + return HANDLERS_KEY; + } /** * Get all hot deployable paths @@ -118,4 +147,14 @@ getScanner().scanDirectories(getHotDeploymentPaths()); } + + public static HotDeploymentStrategy instance() + { + if (Contexts.getEventContext().isSet(NAME)) + { + return (HotDeploymentStrategy) Contexts.getEventContext().get(NAME); + } + return null; + } + } Modified: trunk/src/main/org/jboss/seam/deployment/NamespaceDeploymentHandler.java =================================================================== --- trunk/src/main/org/jboss/seam/deployment/NamespaceDeploymentHandler.java 2008-01-25 12:54:42 UTC (rev 7231) +++ trunk/src/main/org/jboss/seam/deployment/NamespaceDeploymentHandler.java 2008-01-25 12:56:35 UTC (rev 7232) @@ -74,5 +74,10 @@ return null; } } + + public String getName() + { + return NAME; + } } Modified: trunk/src/main/org/jboss/seam/deployment/StandardDeploymentStrategy.java =================================================================== --- trunk/src/main/org/jboss/seam/deployment/StandardDeploymentStrategy.java 2008-01-25 12:54:42 UTC (rev 7231) +++ trunk/src/main/org/jboss/seam/deployment/StandardDeploymentStrategy.java 2008-01-25 12:56:35 UTC (rev 7232) @@ -2,6 +2,8 @@ import java.util.Set; +import org.jboss.seam.contexts.Contexts; + /** * The standard deployment strategy used with Seam, deploys non-hot-deployable * Seam components and namespaces @@ -14,7 +16,24 @@ private ClassLoader classLoader; + /** + * The files used to identify a Seam archive + */ public static final String[] RESOURCE_NAMES = {"seam.properties", "META-INF/seam.properties", "META-INF/components.xml"}; + + /** + * The contextual variable name this deployment strategy is made available at + * during Seam startup. + */ + public static final String NAME = "org.jboss.seam.deployment.deploymentStrategy"; + + /** + * The key under which to list extra deployment handlers. + * + * This can be specified as a System property or in + * /META-INF/seam-deployment.properties + */ + public static final String HANDLERS_KEY = "org.jboss.seam.deployment.deploymentHandlers"; private ComponentDeploymentHandler componentDeploymentHandler; private NamespaceDeploymentHandler namespaceDeploymentHandler; @@ -36,6 +55,12 @@ { return classLoader; } + + @Override + protected String getDeploymentHandlersKey() + { + return HANDLERS_KEY; + } /** * Get all scanned and handled annotated components known to this strategy @@ -67,4 +92,12 @@ getScanner().scanResources(RESOURCE_NAMES); } + public static StandardDeploymentStrategy instance() + { + if (Contexts.getEventContext().isSet(NAME)) + { + return (StandardDeploymentStrategy) Contexts.getEventContext().get(NAME); + } + return null; + } } Modified: trunk/src/main/org/jboss/seam/init/Initialization.java =================================================================== --- trunk/src/main/org/jboss/seam/init/Initialization.java 2008-01-25 12:54:42 UTC (rev 7231) +++ trunk/src/main/org/jboss/seam/init/Initialization.java 2008-01-25 12:56:35 UTC (rev 7232) @@ -5,6 +5,7 @@ */ package org.jboss.seam.init; + import java.io.File; import java.io.IOException; import java.io.InputStream; @@ -75,7 +76,7 @@ private Map<String, EventListenerDescriptor> eventListenerDescriptors = new HashMap<String, EventListenerDescriptor>(); private Collection<String> globalImports = new ArrayList<String>(); - private StandardDeploymentStrategy deploymentStrategy; + private StandardDeploymentStrategy standardDeploymentStrategy; private HotDeploymentStrategy hotDeploymentStrategy; private Set<String> nonPropertyAttributes = new HashSet<String>(); @@ -98,8 +99,8 @@ public Initialization create() { - deploymentStrategy = new StandardDeploymentStrategy(Thread.currentThread().getContextClassLoader()); - deploymentStrategy.scan(); + standardDeploymentStrategy = new StandardDeploymentStrategy(Thread.currentThread().getContextClassLoader()); + standardDeploymentStrategy.scan(); addNamespaces(); initComponentsFromXmlDocument("/WEB-INF/components.xml"); initComponentsFromXmlDocument("/WEB-INF/events.xml"); //deprecated @@ -552,7 +553,7 @@ public Initialization init() { log.info("initializing Seam"); - if (deploymentStrategy == null) + if (standardDeploymentStrategy == null) { throw new IllegalStateException("No deployment strategy!"); } @@ -573,6 +574,14 @@ init.setHotDeployPaths( hotDeploymentStrategy.getHotDeploymentPaths() ); } addSpecialComponents(init); + + // Make the deployment strategies available in the contexts. This gives + // access to custom deployment handlers for processing custom annotations + // etc. + + Contexts.getEventContext().set(StandardDeploymentStrategy.NAME, standardDeploymentStrategy); + Contexts.getEventContext().set(HotDeploymentStrategy.NAME, hotDeploymentStrategy); + installComponents(init); for (String globalImport: globalImports) @@ -647,10 +656,10 @@ private static File getHotDeployDirectory(ServletContext servletContext) { - String path = servletContext.getRealPath(HotDeploymentStrategy.HOT_DEPLOYMENT_DIRECTORY_PATH); + String path = servletContext.getRealPath(HotDeploymentStrategy.DEFAULT_HOT_DEPLOYMENT_DIRECTORY_PATH); if (path==null) //WebLogic! { - log.debug("Could not find path for " + HotDeploymentStrategy.HOT_DEPLOYMENT_DIRECTORY_PATH); + log.debug("Could not find path for " + HotDeploymentStrategy.DEFAULT_HOT_DEPLOYMENT_DIRECTORY_PATH); } else { @@ -684,15 +693,15 @@ private void scanForComponents() { - for ( Class<Object> scannedClass: deploymentStrategy.getScannedComponentClasses() ) + for ( Class<Object> scannedClass: standardDeploymentStrategy.getScannedComponentClasses() ) { installScannedComponentAndRoles(scannedClass); } - for ( String name: deploymentStrategy.getScannedComponentResources() ) + for ( String name: standardDeploymentStrategy.getScannedComponentResources() ) { - installComponentsFromDescriptor( name, deploymentStrategy.getClassLoader() ); + installComponentsFromDescriptor( name, standardDeploymentStrategy.getClassLoader() ); } } @@ -783,7 +792,7 @@ private void addNamespaces() { - for ( Package pkg : deploymentStrategy.getScannedNamespaces() ) + for ( Package pkg : standardDeploymentStrategy.getScannedNamespaces() ) { addNamespace(pkg); } @@ -871,7 +880,7 @@ { try { - Reflections.classForName("org.jboss.cache.aop.PojoCache"); + Reflections.classForName("org.jboss.cache.pojo.PojoCache"); addComponentDescriptor( new ComponentDescriptor(PojoCache.class, true) ); } catch (ClassNotFoundException e) {}