[seam-commits] Seam SVN: r7145 - in trunk/src/main/org/jboss/seam: init and 1 other directory.

Author: pete.muir(a)jboss.org Date: 2008-01-17 17:18:17 -0500 (Thu, 17 Jan 2008) New Revision: 7145 Removed: trunk/src/main/org/jboss/seam/deployment/ComponentScanner.java trunk/src/main/org/jboss/seam/deployment/GroovyComponentScanner.java trunk/src/main/org/jboss/seam/deployment/NamespaceScanner.java trunk/src/main/org/jboss/seam/init/GroovyHotRedeployable.java trunk/src/main/org/jboss/seam/init/JavaHotRedeployable.java trunk/src/main/org/jboss/seam/init/NoHotRedeployable.java trunk/src/main/org/jboss/seam/init/RedeployableStrategy.java Log: Tidy up from cvs2svn migration problem Deleted: trunk/src/main/org/jboss/seam/deployment/ComponentScanner.java =================================================================== --- trunk/src/main/org/jboss/seam/deployment/ComponentScanner.java 2008-01-17 21:18:35 UTC (rev 7144) +++ trunk/src/main/org/jboss/seam/deployment/ComponentScanner.java 2008-01-17 22:18:17 UTC (rev 7145) @@ -1,93 +0,0 @@ -package org.jboss.seam.deployment; - -import org.jboss.seam.annotations.Install; -import org.jboss.seam.annotations.Name; - -import java.io.IOException; -import java.util.HashSet; -import java.util.Set; - -import javassist.bytecode.ClassFile; - -import org.jboss.seam.log.LogProvider; -import org.jboss.seam.log.Logging; - -/** - * Scans archives in the Seam classpath for Seam components. - * - * @author Thomas Heute - * @author Gavin King - * @author Norman Richards - * - */ -public class ComponentScanner extends Scanner -{ - private static final LogProvider log = Logging.getLogProvider(ComponentScanner.class); - - protected Set<Class<Object>> classes; - - private Set<String> resources; - - public ComponentScanner(String resourceName) - { - super(resourceName); - } - - public ComponentScanner(String resourceName, ClassLoader classLoader) - { - super(resourceName, classLoader); - } - - /** - * Returns only Seam components (ie: classes annotated with @Name) - */ - public Set<Class<Object>> getClasses() - { - if (classes == null) { - classes = new HashSet<Class<Object>>(); - resources = new HashSet<String>(); - scan(); - } - return classes; - } - - public Set<String> getResources() { - return resources; - } - - @Override - @SuppressWarnings("unchecked") - protected void handleItem(String name) - { - if (name.endsWith(".class")) { - String classname = filenameToClassname(name); - String filename = Scanner.componentFilename(name); - try { - ClassFile classFile = getClassFile(name); - boolean installable = ( hasAnnotation(classFile, Name.class) || classLoader.getResources(filename).hasMoreElements() ) - && !"false".equals( getAnnotationValue(classFile, Install.class, "value") ); - if (installable) { - log.debug("found component class: " + name); - classes.add( (Class<Object>) classLoader.loadClass(classname) ); - } - - } catch (ClassNotFoundException cnfe) { - log.debug("could not load class: " + classname, cnfe); - } catch (NoClassDefFoundError ncdfe) { - log.debug("could not load class (missing dependency): " + classname, ncdfe); - } catch (IOException ioe) { - log.debug("could not load classfile: " + classname, ioe); - } - } else if (name.endsWith(".component.xml") || name.endsWith("/components.xml")) { - // we want to skip over known meta-directories since Seam will auto-load these without a scan - if (!name.startsWith("WEB-INF/") && !name.startsWith("META-INF/")) { - resources.add(name); - } - } - - } - - public ClassLoader getClassLoader() { - return classLoader; - } -} Deleted: trunk/src/main/org/jboss/seam/deployment/GroovyComponentScanner.java =================================================================== --- trunk/src/main/org/jboss/seam/deployment/GroovyComponentScanner.java 2008-01-17 21:18:35 UTC (rev 7144) +++ trunk/src/main/org/jboss/seam/deployment/GroovyComponentScanner.java 2008-01-17 22:18:17 UTC (rev 7145) @@ -1,139 +0,0 @@ -//$Id$ -package org.jboss.seam.deployment; - -import java.io.BufferedReader; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.net.URL; -import java.net.URLClassLoader; - -import groovy.lang.GroovyClassLoader; -import groovy.lang.GroovyRuntimeException; -import org.codehaus.groovy.control.CompilationFailedException; -import org.jboss.seam.annotations.Install; -import org.jboss.seam.annotations.Name; -import org.jboss.seam.log.LogProvider; -import org.jboss.seam.log.Logging; - -/** - * Scan Groovy files as well as Java files - * <p/> - * TODO: make it so that you can plug any Scripting scanner - * - * @author Emmanuel Bernard - */ -public class GroovyComponentScanner extends ComponentScanner -{ - private static final LogProvider log = Logging.getLogProvider(GroovyComponentScanner.class); - private final String groovyFileExtension; - - public GroovyComponentScanner(String resourceName, String groovyFileExtension) - { - super(resourceName); - this.groovyFileExtension = groovyFileExtension; - } - - //has to be a GroovyClassLoader see #getURLsFromClassLoader - public GroovyComponentScanner(String resourceName, GroovyClassLoader classLoader, String groovyFileExtension) - { - super(resourceName, classLoader); - this.groovyFileExtension = groovyFileExtension; - } - - @Override - protected URL[] getURLsFromClassLoader() - { - /* - * a GroovyClassLoader accept no URL, - * use the parent URL - */ - return ( (URLClassLoader) classLoader.getParent() ).getURLs(); - } - - @Override - protected void handleItem(String name) - { - //handle java classes - super.handleItem(name); - - if (name.endsWith(groovyFileExtension)) - { - log.debug("Found a groovy file: " + name); - String classname = filenameToGroovyname(name); - String filename = groovyComponentFilename(name); - BufferedReader buffReader = null; - try - { - InputStream stream = classLoader.getResourceAsStream(name); - //TODO is BufferedInputStream necessary? - buffReader = new BufferedReader(new InputStreamReader(stream)); - String line = buffReader.readLine(); - while (line != null) - { - if (line.indexOf("@Name") != -1 || line.indexOf("@" + Name.class.getName()) != -1) - { - //possibly a Seam component - log.debug("Groovy file possibly a Seam component: " + name); - Class<Object> groovyClass = (Class<Object>) classLoader.loadClass(classname); - Install install = groovyClass.getAnnotation(Install.class); - boolean installable = ( install == null || install.value() ) - && ( groovyClass.isAnnotationPresent(Name.class) - || classLoader.getResources(filename).hasMoreElements() ); - if (installable) - { - log.debug("found groovy component class: " + name); - classes.add(groovyClass); - } - break; - } - line = buffReader.readLine(); - } - } - catch (ClassNotFoundException cnfe) - { - log.debug("could not load groovy class: " + classname, cnfe); - - } - catch (NoClassDefFoundError ncdfe) - { - log.debug("could not load groovy class (missing dependency): " + classname, ncdfe); - - } - catch (IOException ioe) - { - log.debug("could not load groovy file: " + classname, ioe); - } - catch( CompilationFailedException e) { - log.info("Compilation error in Groovy file:" + classname, e); - } - catch(GroovyRuntimeException e) { - log.info("Unknown error reading Groovy file:" + classname, e); - } - finally - { - if (buffReader != null) { - try - { - buffReader.close(); - } - catch (IOException e) - { - log.trace("Could not close stream"); - } - } - } - } - } - - public String filenameToGroovyname(String filename) - { - return filename.substring(0, filename.lastIndexOf(groovyFileExtension)) - .replace('/', '.').replace('\\', '.'); - } - - public String groovyComponentFilename(String name) - { - return name.substring(0, name.lastIndexOf(groovyFileExtension)) + ".component.xml"; - } -} Deleted: trunk/src/main/org/jboss/seam/deployment/NamespaceScanner.java =================================================================== --- trunk/src/main/org/jboss/seam/deployment/NamespaceScanner.java 2008-01-17 21:18:35 UTC (rev 7144) +++ trunk/src/main/org/jboss/seam/deployment/NamespaceScanner.java 2008-01-17 22:18:17 UTC (rev 7145) @@ -1,85 +0,0 @@ -package org.jboss.seam.deployment; - -import java.util.HashSet; -import java.util.Set; - -import org.jboss.seam.annotations.Namespace; -import org.jboss.seam.log.LogProvider; -import org.jboss.seam.log.Logging; - -/** - * Scanner for XML namespace declarations - * - * @author Norman Richards - * - */ -public class NamespaceScanner extends Scanner -{ - private static final LogProvider log = Logging.getLogProvider(NamespaceScanner.class); - - private Set<Package> packages; - - public NamespaceScanner(String resourceName) - { - super(resourceName); - } - - public NamespaceScanner(String resourceName, ClassLoader classLoader) - { - super(resourceName,classLoader); - } - - /** - * Returns packages with @Namespace declarations - */ - public Set<Package> getPackages() - { - if (packages == null) { - packages = new HashSet<Package>(); - scan(); - } - return packages; - } - - public static String filenameToPackageName(String filename) - { - return filename.substring(0, filename.lastIndexOf("/package-info.class")) - .replace('/', '.').replace('\\', '.'); - } - - @Override - protected void handleItem(String name) - { - if ( name.endsWith("/package-info.class") ) - { - String packageName = filenameToPackageName(name); - Package pkg = getPackage(packageName); - if (pkg == null) - { - log.warn("Cannot load package Dinfo for " + packageName); - } - else - { - if (pkg.getAnnotation(Namespace.class) != null) - { - packages.add(pkg); - } - } - } - } - - protected Package getPackage(String name) - { - try - { - Class c = classLoader.loadClass(name + ".package-info"); - return c != null ? c.getPackage() : null; - } - catch (Exception e) - { - return null; - } - } - -} - Deleted: trunk/src/main/org/jboss/seam/init/GroovyHotRedeployable.java =================================================================== --- trunk/src/main/org/jboss/seam/init/GroovyHotRedeployable.java 2008-01-17 21:18:35 UTC (rev 7144) +++ trunk/src/main/org/jboss/seam/init/GroovyHotRedeployable.java 2008-01-17 22:18:17 UTC (rev 7145) @@ -1,51 +0,0 @@ -//$Id$ -package org.jboss.seam.init; - -import groovy.lang.GroovyClassLoader; - -import java.io.File; - -import org.codehaus.groovy.control.CompilerConfiguration; -import org.jboss.seam.deployment.ComponentScanner; -import org.jboss.seam.deployment.GroovyComponentScanner; - -/** - * Support Groovy file loading as well as Java class loading - * from hot directory - * - * @author Emmanuel Bernard - */ -class GroovyHotRedeployable extends JavaHotRedeployable -{ - private static final String DEFAULT_SCRIPT_EXTENSION = new CompilerConfiguration().getDefaultScriptExtension(); - - public GroovyHotRedeployable(File hotDeployDir) - { - super(hotDeployDir); - /** - * No need for the Groovy Hotdeploy capability since the parent classloader needs - * to be replaced to hot deploy classes - */ - if (classLoader != null) - { - classLoader = new GroovyClassLoader(classLoader); - } - } - - @Override - public ComponentScanner getScanner() - { - return classLoader != null ? - new GroovyComponentScanner(null, (GroovyClassLoader) getClassLoader(), DEFAULT_SCRIPT_EXTENSION) : - null; - } - - @Override - public boolean isFromHotDeployClassLoader(Class componentClass) - { - //loaded by groovy or java - if (classLoader == null) return false; - ClassLoader classClassLoader = componentClass.getClassLoader().getParent(); //Groovy use an Inner Delegate CL - return classClassLoader == classLoader || classClassLoader == classLoader.getParent(); - } -} Deleted: trunk/src/main/org/jboss/seam/init/JavaHotRedeployable.java =================================================================== --- trunk/src/main/org/jboss/seam/init/JavaHotRedeployable.java 2008-01-17 21:18:35 UTC (rev 7144) +++ trunk/src/main/org/jboss/seam/init/JavaHotRedeployable.java 2008-01-17 22:18:17 UTC (rev 7145) @@ -1,69 +0,0 @@ -//$Id$ -package org.jboss.seam.init; - -import java.io.File; -import java.net.MalformedURLException; -import java.net.URL; -import java.net.URLClassLoader; - -import org.jboss.seam.deployment.ComponentScanner; - -/** - * Hot redeployment of Java classes - * - * @author Emmanuel Bernard - */ -class JavaHotRedeployable implements RedeployableStrategy -{ - - protected File[] paths; - protected ClassLoader classLoader; - - public JavaHotRedeployable(File directory) - { - try - { - if (directory.exists()) - { - URL url = directory.toURL(); - /*File[] jars = directory.listFiles( new FilenameFilter() { - public boolean accept(File file, String name) { return name.endsWith(".jar"); } - } ); - URL[] urls = new URL[jars.length]; - for (int i=0; i<jars.length; i++) - { - urls[i] = jars[i].toURL(); - }*/ - URL[] urls = { url }; - classLoader = new URLClassLoader(urls, Thread.currentThread().getContextClassLoader()); - paths = new File[] { directory }; - } - - } - catch (MalformedURLException mue) - { - throw new RuntimeException(mue); - } - } - - public ClassLoader getClassLoader() - { - return classLoader; - } - - public File[] getPaths() - { - return paths; - } - - public ComponentScanner getScanner() - { - //no classloader means we did not find the path - return classLoader != null ? new ComponentScanner(null, classLoader) : null; - } - - public boolean isFromHotDeployClassLoader(Class componentClass) - { - return componentClass.getClassLoader() == classLoader; - } -} Deleted: trunk/src/main/org/jboss/seam/init/NoHotRedeployable.java =================================================================== --- trunk/src/main/org/jboss/seam/init/NoHotRedeployable.java 2008-01-17 21:18:35 UTC (rev 7144) +++ trunk/src/main/org/jboss/seam/init/NoHotRedeployable.java 2008-01-17 22:18:17 UTC (rev 7145) @@ -1,38 +0,0 @@ -//$Id$ -package org.jboss.seam.init; - -import java.io.File; - -import org.jboss.seam.deployment.ComponentScanner; - -/** - * No hot deployment environment - * - * @author Emmanuel Bernard - */ -class NoHotRedeployable implements RedeployableStrategy -{ - public NoHotRedeployable(File resource) {} - - public NoHotRedeployable() {} - - public ClassLoader getClassLoader() - { - return null; - } - - public File[] getPaths() - { - return null; - } - - public ComponentScanner getScanner() - { - return null; - } - - public boolean isFromHotDeployClassLoader(Class componentClass) - { - return false; - } -} Deleted: trunk/src/main/org/jboss/seam/init/RedeployableStrategy.java =================================================================== --- trunk/src/main/org/jboss/seam/init/RedeployableStrategy.java 2008-01-17 21:18:35 UTC (rev 7144) +++ trunk/src/main/org/jboss/seam/init/RedeployableStrategy.java 2008-01-17 22:18:17 UTC (rev 7145) @@ -1,33 +0,0 @@ -//$Id$ -package org.jboss.seam.init; - -import java.io.File; - -import org.jboss.seam.deployment.ComponentScanner; - -/** - * Abstract the redeployable initialization mechanism - * to prevent hard dependency between Seam and the - * scripting language infrastructure - * - * @author Emmanuel Bernard - */ -interface RedeployableStrategy -{ - /* - * Mandatory constructor - * - * @param resource url containing the redeployable files - */ - //RedeployableInitialization(URL resource); - - - public ClassLoader getClassLoader(); - - public File[] getPaths(); - - public ComponentScanner getScanner(); - - public boolean isFromHotDeployClassLoader(Class componentClass); - -}