[hibernate-commits] Hibernate SVN: r20997 - in entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb: packaging and 1 other directory.

Author: stliu Date: 2011-12-19 03:43:31 -0500 (Mon, 19 Dec 2011) New Revision: 20997 Added: entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/packaging/NativeScanner.java entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/packaging/Scanner.java Modified: entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/Ejb3Configuration.java entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/HibernatePersistence.java entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/packaging/JarVisitorFactory.java Log: JBPAPP-7729 Hibernate 3.3.x Auto scan for JPA entities does not work with AS 7.1 Modified: entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/Ejb3Configuration.java =================================================================== --- entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/Ejb3Configuration.java 2011-12-14 03:02:55 UTC (rev 20996) +++ entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/Ejb3Configuration.java 2011-12-19 08:43:31 UTC (rev 20997) @@ -9,12 +9,14 @@ import java.io.ObjectOutput; import java.io.ObjectOutputStream; import java.io.Serializable; +import java.lang.annotation.Annotation; import java.net.URL; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.Enumeration; import java.util.HashMap; +import java.util.HashSet; import java.util.Iterator; import java.util.List; import java.util.Map; @@ -54,15 +56,15 @@ import org.hibernate.ejb.connection.InjectedDataSourceConnectionProvider; import org.hibernate.ejb.instrument.InterceptFieldClassFileTransformer; import org.hibernate.ejb.packaging.ClassFilter; -import org.hibernate.ejb.packaging.Entry; import org.hibernate.ejb.packaging.FileFilter; import org.hibernate.ejb.packaging.Filter; -import org.hibernate.ejb.packaging.JarVisitor; import org.hibernate.ejb.packaging.JarVisitorFactory; import org.hibernate.ejb.packaging.NamedInputStream; +import org.hibernate.ejb.packaging.NativeScanner; import org.hibernate.ejb.packaging.PackageFilter; import org.hibernate.ejb.packaging.PersistenceMetadata; import org.hibernate.ejb.packaging.PersistenceXmlLoader; +import org.hibernate.ejb.packaging.Scanner; import org.hibernate.ejb.transaction.JoinableCMTTransactionFactory; import org.hibernate.ejb.util.ConfigurationHelper; import org.hibernate.ejb.util.LogHelper; @@ -78,6 +80,7 @@ import org.hibernate.util.ReflectHelper; import org.hibernate.util.StringHelper; import org.hibernate.util.XMLHelper; + import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.xml.sax.EntityResolver; @@ -232,24 +235,45 @@ metadata.getProvider() ) ) { //correct provider - - //lazy compute the visitor if possible to avoid useless exceptions if an unexpected state happens - JarVisitor visitor = null; - + //lazy load the scanner to avoid unnecessary IOExceptions + Scanner scanner = null; + URL jarURL = null; if ( metadata.getName() == null ) { - visitor = getMainJarVisitor( url, metadata, integration ); - metadata.setName( visitor.getUnqualifiedJarName() ); + scanner = buildScanner( metadata.getProps(), integration ); + jarURL = JarVisitorFactory.getJarURLFromURLEntry( url, "/META-INF/persistence.xml" ); + metadata.setName( scanner.getUnqualifiedJarName( jarURL ) ); } if ( persistenceUnitName == null && xmls.hasMoreElements() ) { throw new PersistenceException( "No name provided and several persistence units found" ); } else if ( persistenceUnitName == null || metadata.getName().equals( persistenceUnitName ) ) { - if (visitor == null) visitor = getMainJarVisitor( url, metadata, integration ); - addMetadataFromVisitor( visitor, metadata ); - Filter[] otherXmlFilter = getFilters( metadata, integration, false ); + if ( scanner == null ) { + scanner = buildScanner( metadata.getProps(), integration ); + jarURL = JarVisitorFactory.getJarURLFromURLEntry( url, "/META-INF/persistence.xml" ); + } + //scan main JAR + ScanningContext mainJarScanCtx = new ScanningContext() + .scanner( scanner ) + .url( jarURL ) + .explicitMappingFiles( metadata.getMappingFiles() ) + .searchOrm( true ); + setDetectedArtifactsOnScanningContext( + mainJarScanCtx, metadata.getProps(), integration, + metadata.getExcludeUnlistedClasses() + ); + addMetadataFromScan( mainJarScanCtx, metadata ); + + ScanningContext otherJarScanCtx = new ScanningContext() + .scanner( scanner ) + .explicitMappingFiles( metadata.getMappingFiles() ) + .searchOrm( true ); + setDetectedArtifactsOnScanningContext( + otherJarScanCtx, metadata.getProps(), integration, + false + ); for ( String jarFile : metadata.getJarFiles() ) { - visitor = JarVisitorFactory.getVisitor( jarFile, otherXmlFilter ); - addMetadataFromVisitor( visitor, metadata ); + otherJarScanCtx.url( JarVisitorFactory.getURLFromPath( jarFile ) ); + addMetadataFromScan( otherJarScanCtx, metadata ); } return configure( metadata, integration ); } @@ -268,40 +292,129 @@ } } - //method used in a non managed environment - private JarVisitor getMainJarVisitor(URL url, PersistenceMetadata metadata, Map integration) { - URL jarURL = JarVisitorFactory.getJarURLFromURLEntry( url, "/META-INF/persistence.xml" ); - Filter[] persistenceXmlFilter = getFilters( metadata, integration, metadata.getExcludeUnlistedClasses() ); - return JarVisitorFactory.getVisitor( jarURL, persistenceXmlFilter ); + private Scanner buildScanner(Properties properties, Map<?, ?> integration) { + //read the String or Instance from the integration map first and use the properties as a backup. + Object scanner = integration.get( HibernatePersistence.SCANNER ); + if ( scanner == null ) { + scanner = properties.getProperty( HibernatePersistence.SCANNER ); + } + if ( scanner != null ) { + Class<?> scannerClass; + if ( scanner instanceof String ) { + try { + scannerClass = ReflectHelper.classForName( (String) scanner, this.getClass() ); + } + catch ( ClassNotFoundException e ) { + throw new PersistenceException( + "Cannot find scanner class. " + HibernatePersistence.SCANNER + "=" + scanner, + e + ); + } + } + else if ( scanner instanceof Class ) { + scannerClass = (Class<? extends Scanner>) scanner; + } + else if ( scanner instanceof Scanner ) { + return (Scanner) scanner; + } + else { + throw new PersistenceException( "Scanner class configuration error: unknown type on the property. " + HibernatePersistence.SCANNER ); + } + try { + return (Scanner) scannerClass.newInstance(); + } + catch ( InstantiationException e ) { + throw new PersistenceException( "Unable to load Scanner class: " + scannerClass, e ); + } + catch ( IllegalAccessException e ) { + throw new PersistenceException( "Unable to load Scanner class: " + scannerClass, e ); + } + } + else { + return new NativeScanner(); + } +} + + private static class ScanningContext { + //boolean excludeUnlistedClasses; + private Scanner scanner; + private URL url; + private List<String> explicitMappingFiles; + private boolean detectClasses; + private boolean detectHbmFiles; + private boolean searchOrm; + + public ScanningContext scanner(Scanner scanner) { + this.scanner = scanner; + return this; + } + + public ScanningContext url(URL url) { + this.url = url; + return this; + } + + public ScanningContext explicitMappingFiles(List<String> explicitMappingFiles) { + this.explicitMappingFiles = explicitMappingFiles; + return this; + } + + public ScanningContext detectClasses(boolean detectClasses) { + this.detectClasses = detectClasses; + return this; + } + + public ScanningContext detectHbmFiles(boolean detectHbmFiles) { + this.detectHbmFiles = detectHbmFiles; + return this; + } + + public ScanningContext searchOrm(boolean searchOrm) { + this.searchOrm = searchOrm; + return this; + } } - private static void addMetadataFromVisitor(JarVisitor visitor, PersistenceMetadata metadata) throws IOException { + private static void addMetadataFromScan(ScanningContext scanningContext, PersistenceMetadata metadata) throws IOException { List<String> classes = metadata.getClasses(); List<String> packages = metadata.getPackages(); List<NamedInputStream> hbmFiles = metadata.getHbmfiles(); List<String> mappingFiles = metadata.getMappingFiles(); - addScannedEntries( visitor, classes, packages, hbmFiles, mappingFiles ); + addScannedEntries( scanningContext, classes, packages, hbmFiles, mappingFiles ); } - private static void addScannedEntries(JarVisitor visitor, List<String> classes, List<String> packages, List<NamedInputStream> hbmFiles, List<String> mappingFiles) throws IOException { - Filter[] filters = visitor.getFilters(); - Set[] entries = visitor.getMatchingEntries(); - int size = filters.length; - for ( int index = 0; index < size ; index++ ) { - for (Object o : entries[index]) { - Entry entry = (Entry) o; - if ( filters[index] instanceof ClassFilter ) { - classes.add( entry.getName() ); - } - else if ( filters[index] instanceof PackageFilter ) { - packages.add( entry.getName() ); - } - else if ( filters[index] instanceof FileFilter ) { - hbmFiles.add( new NamedInputStream( entry.getName(), entry.getInputStream() ) ); - if (mappingFiles != null) mappingFiles.remove( entry.getName() ); - } + private static void addScannedEntries(ScanningContext scanningContext, List<String> classes, List<String> packages, List<NamedInputStream> hbmFiles, List<String> mappingFiles) throws IOException { + Scanner scanner = scanningContext.scanner; + if (scanningContext.detectClasses) { + Set<Class<? extends Annotation>> annotationsToExclude = new HashSet<Class<? extends Annotation>>(3); + annotationsToExclude.add( Entity.class ); + annotationsToExclude.add( MappedSuperclass.class ); + annotationsToExclude.add( Embeddable.class ); + Set<Class<?>> matchingClasses = scanner.getClassesInJar( scanningContext.url, annotationsToExclude ); + for (Class<?> clazz : matchingClasses) { + classes.add( clazz.getName() ); } + + Set<Package> matchingPackages = scanner.getPackagesInJar( scanningContext.url, new HashSet<Class<? extends Annotation>>(0) ); + for (Package pkg : matchingPackages) { + packages.add( pkg.getName() ); + } } + Set<String> patterns = new HashSet<String>(); + if (scanningContext.searchOrm) { + patterns.add( META_INF_ORM_XML ); + } + if (scanningContext.detectHbmFiles) { + patterns.add( "**/*.hbm.xml" ); + } + if ( mappingFiles != null) patterns.addAll( mappingFiles ); + if (patterns.size() !=0) { + Set<NamedInputStream> files = scanner.getFilesInJar( scanningContext.url, patterns ); + for (NamedInputStream file : files) { + hbmFiles.add( file ); + if (mappingFiles != null) mappingFiles.remove( file.getName() ); + } + } } /** @@ -353,13 +466,31 @@ //Should always be true if the container is not dump boolean searchForORMFiles = ! xmlFiles.contains( META_INF_ORM_XML ); - boolean[] detectArtifactForOtherJars = getDetectedArtifacts( info.getProperties(), null, false ); - boolean[] detectArtifactForMainJar = getDetectedArtifacts( info.getProperties(), null, info.excludeUnlistedClasses() ); + ScanningContext context = new ScanningContext(); + final Properties copyOfProperties = (Properties) info.getProperties().clone(); + ConfigurationHelper.overrideProperties( copyOfProperties, integration ); + context.scanner( buildScanner( copyOfProperties, integration ) ) + .searchOrm( searchForORMFiles ) + .explicitMappingFiles( null ); //URLs provided by the container already + + //context for other JARs + setDetectedArtifactsOnScanningContext(context, info.getProperties(), null, false ); for ( URL jar : info.getJarFileUrls() ) { - scanForClasses( jar, packages, entities, hbmFiles, detectArtifactForOtherJars, searchForORMFiles ); + context.url(jar); + scanForClasses( context, packages, entities, hbmFiles ); } - scanForClasses( info.getPersistenceUnitRootUrl(), packages, entities, hbmFiles, detectArtifactForMainJar, searchForORMFiles ); + //main jar + context.url( info.getPersistenceUnitRootUrl() ); + setDetectedArtifactsOnScanningContext( context, info.getProperties(), null, info.excludeUnlistedClasses() ); + scanForClasses( context, packages, entities, hbmFiles ); +// boolean[] detectArtifactForOtherJars = getDetectedArtifacts( info.getProperties(), null, false ); +// boolean[] detectArtifactForMainJar = getDetectedArtifacts( info.getProperties(), null, info.excludeUnlistedClasses() ); +// for ( URL jar : info.getJarFileUrls() ) { +// scanForClasses( jar, packages, entities, hbmFiles, detectArtifactForOtherJars, searchForORMFiles ); +// } +// scanForClasses( info.getPersistenceUnitRootUrl(), packages, entities, hbmFiles, detectArtifactForMainJar, searchForORMFiles ); + Properties properties = info.getProperties() != null ? info.getProperties() : new Properties(); @@ -604,24 +735,56 @@ } return filters; } + /** + * Set ScanningContext detectClasses and detectHbmFiles according to context + */ + private void setDetectedArtifactsOnScanningContext(ScanningContext context, + Properties properties, + Map overridenProperties, + boolean excludeIfNotOverriden) { - private void scanForClasses(URL jar, List<String> packages, List<String> entities, List<NamedInputStream> hbmFiles, boolean[] detectedArtifacts, boolean searchORM) { - if (jar == null) { + boolean detectClasses = false; + boolean detectHbm = false; + String detectSetting = overridenProperties != null ? + (String) overridenProperties.get( HibernatePersistence.AUTODETECTION ) : + null; + detectSetting = detectSetting == null ? + properties.getProperty( HibernatePersistence.AUTODETECTION) : + detectSetting; + if ( detectSetting == null && excludeIfNotOverriden) { + //not overriden through HibernatePersistence.AUTODETECTION so we comply with the spec excludeUnlistedClasses + context.detectClasses( false ).detectHbmFiles( false ); + return; + } + + if ( detectSetting == null){ + detectSetting = "class,hbm"; + } + StringTokenizer st = new StringTokenizer( detectSetting, ", ", false ); + while ( st.hasMoreElements() ) { + String element = (String) st.nextElement(); + if ( "class".equalsIgnoreCase( element ) ) detectClasses = true; + if ( "hbm".equalsIgnoreCase( element ) ) detectHbm = true; + } + log.debug( "Detect class: {}; detect hbm: {}", detectClasses, detectHbm ); + context.detectClasses( detectClasses ).detectHbmFiles( detectHbm ); + } + + private void scanForClasses(ScanningContext scanningContext, List<String> packages, List<String> entities, List<NamedInputStream> hbmFiles) { + if (scanningContext.url == null) { log.error( "Container is providing a null PersistenceUnitRootUrl: discovery impossible"); return; } try { - JarVisitor visitor = JarVisitorFactory.getVisitor( jar, getFilters( detectedArtifacts, searchORM, null ) ); - addScannedEntries( visitor, entities, packages, hbmFiles, null ); + addScannedEntries( scanningContext, entities, packages, hbmFiles, null ); } catch (RuntimeException e) { - throw new RuntimeException( "error trying to scan <jar-file>: " + jar.toString(), e ); + throw new RuntimeException( "error trying to scan <jar-file>: " + scanningContext.url.toString(), e ); } catch( IOException e ) { - throw new RuntimeException( "Error while reading " + jar.toString(), e ); + throw new RuntimeException( "Error while reading " + scanningContext.url.toString(), e ); } } - /** * create a factory from a list of properties and * HibernatePersistence.CLASS_NAMES -> Collection<String> (use to list the classes from config files Modified: entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/HibernatePersistence.java =================================================================== --- entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/HibernatePersistence.java 2011-12-14 03:02:55 UTC (rev 20996) +++ entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/HibernatePersistence.java 2011-12-19 08:43:31 UTC (rev 20997) @@ -83,7 +83,12 @@ * in the JNDI in a serialized form */ public static final String CONFIGURATION_JNDI_NAME = "hibernate.ejb.configuration_jndi_name"; - + /** + * Pass an implementation of {@link org.hibernate.ejb.packaging.Scanner}: + * - preferably an actual instance + * - or a class name with a no-arg constructor + */ + public static final String SCANNER = "hibernate.ejb.resource_scanner"; //The following properties are for Internal use only /** * link to the alternative Hibernate configuration file Modified: entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/packaging/JarVisitorFactory.java =================================================================== --- entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/packaging/JarVisitorFactory.java 2011-12-14 03:02:55 UTC (rev 20996) +++ entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/packaging/JarVisitorFactory.java 2011-12-19 08:43:31 UTC (rev 20997) @@ -17,7 +17,23 @@ */ public class JarVisitorFactory { private static final Logger log = LoggerFactory.getLogger( JarVisitorFactory.class ); - + public static URL getURLFromPath(String jarPath) { + URL jarUrl; + try { + //is it an url + jarUrl = new URL( jarPath ); + } + catch ( MalformedURLException e) { + try { + //consider it as a file path + jarUrl = new URL( "file:" + jarPath ); + } + catch (MalformedURLException ee) { + throw new IllegalArgumentException( "Unable to find jar:" + jarPath, ee ); + } + } + return jarUrl; + } /** * Get the JAR URL of the JAR containing the given entry * Method used in a non managed environment Added: entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/packaging/NativeScanner.java =================================================================== --- entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/packaging/NativeScanner.java (rev 0) +++ entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/packaging/NativeScanner.java 2011-12-19 08:43:31 UTC (rev 20997) @@ -0,0 +1,242 @@ +/* + * Copyright (c) 2009, Red Hat Middleware LLC or third-party contributors as + * indicated by the @author tags or express copyright attribution + * statements applied by the authors. All third-party contributions are + * distributed under license by Red Hat Middleware LLC. + * + * This copyrighted material is made available to anyone wishing to use, modify, + * copy, or redistribute it subject to the terms and conditions of the GNU + * Lesser General Public License, as published by the Free Software Foundation. + * + * This program 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 distribution; if not, write to: + * Free Software Foundation, Inc. + * 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1301 USA + */ +package org.hibernate.ejb.packaging; +import java.io.IOException; +import java.lang.annotation.Annotation; +import java.net.URL; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Map; +import java.util.Set; +import javax.persistence.Embeddable; +import javax.persistence.Entity; +import javax.persistence.MappedSuperclass; +import org.hibernate.AssertionFailure; +import org.hibernate.util.ReflectHelper; + +/** + * @author Emmanuel Bernard + */ +public class NativeScanner implements Scanner { + + private static final String META_INF_ORM_XML = "META-INF/orm.xml"; + + private Map<URL, StateJarVisitor> visitors = new HashMap<URL, StateJarVisitor>(); + private static final int PACKAGE_FILTER_INDEX = 0; + private static final int CLASS_FILTER_INDEX = 1; + private static final int FILE_FILTER_INDEX = 2; + + /** + * This implementation does not honor the list of annotations and return everything. + * Must strictly be used by HEM + */ + public Set<Package> getPackagesInJar(URL jarToScan, Set<Class<? extends Annotation>> annotationsToLookFor) { + if ( annotationsToLookFor.size() > 0 ) { + throw new AssertionFailure( "Improper use of NativeScanner: must not filter packages" ); + } + + JarVisitor jarVisitor = getVisitor( jarToScan ); + final Set<Entry> packageEntries; + try { + packageEntries = ( Set<Entry> ) jarVisitor.getMatchingEntries()[PACKAGE_FILTER_INDEX]; + } + catch ( IOException e ) { + throw new RuntimeException( "Error while reading " + jarToScan.toString(), e ); + } + Set<Package> packages = new HashSet<Package>( packageEntries.size() ); + for ( Entry entry : packageEntries ) { + try { + packages.add( ReflectHelper.classForName( entry.getName() + ".package-info" ).getPackage() ); + } + catch ( ClassNotFoundException e ) { + //should never happen, if it happens, simply ignore the flawed package + } + } + return packages; + } + + /** + * Build a JarVisitor with some assumptions wrt the scanning + * This helps do one scan instead of several + */ + private JarVisitor getVisitor(URL jar) { + StateJarVisitor stateJarVisitor = visitors.get( jar ); + + if ( stateJarVisitor == null ) { + + Filter[] filters = new Filter[3]; + filters[PACKAGE_FILTER_INDEX] = new PackageFilter( false, null ) { + public boolean accept(String javaElementName) { + return true; + } + }; + filters[CLASS_FILTER_INDEX] = new ClassFilter( + false, new Class[] { + Entity.class, + MappedSuperclass.class, + Embeddable.class + } + ) { + public boolean accept(String javaElementName) { + return true; + } + }; + filters[FILE_FILTER_INDEX] = new FileFilter( true ) { + public boolean accept(String javaElementName) { + return javaElementName.endsWith( "hbm.xml" ) + || javaElementName.endsWith( META_INF_ORM_XML ); + } + }; + + stateJarVisitor = new StateJarVisitor( JarVisitorFactory.getVisitor( jar, filters ) ); + visitors.put( jar, stateJarVisitor ); + } + return stateJarVisitor.visitor; + } + + public Set<Class<?>> getClassesInJar(URL jarToScan, Set<Class<? extends Annotation>> annotationsToLookFor) { + if ( isValidForClasses( annotationsToLookFor ) ) { + throw new AssertionFailure( + "Improper use of NativeScanner: " + + "must not filter classes by other annotations than Entity, MappedSuperclass, embeddable" + ); + } + JarVisitor jarVisitor = getVisitor( jarToScan ); + final Set<Entry> classesEntry; + try { + classesEntry = ( Set<Entry> ) jarVisitor.getMatchingEntries()[CLASS_FILTER_INDEX]; + } + catch ( IOException e ) { + throw new RuntimeException( "Error while reading " + jarToScan.toString(), e ); + } + Set<Class<?>> classes = new HashSet<Class<?>>( classesEntry.size() ); + for ( Entry entry : classesEntry ) { + try { + classes.add( ReflectHelper.classForName( entry.getName() ) ); + } + catch ( ClassNotFoundException e ) { + //should never happen, if it happens, simply ignore the flawed package + } + } + return classes; + } + + private boolean isValidForClasses(Set<Class<? extends Annotation>> annotationsToLookFor) { + return annotationsToLookFor.size() != 3 + || !annotationsToLookFor.contains( Entity.class ) + || !annotationsToLookFor.contains( MappedSuperclass.class ) + || !annotationsToLookFor.contains( Embeddable.class ); + } + + /** + * support for patterns is primitive: + * - **\/*.hbm.xml + * Other patterns will not be found + */ + public Set<NamedInputStream> getFilesInJar(URL jarToScan, Set<String> filePatterns) { + StringBuilder sb = new StringBuilder("URL: ").append( jarToScan ) + .append( "\n" ); + for (String pattern : filePatterns) { + sb.append( " " ).append( pattern ).append( "\n" ); + } + JarVisitor jarVisitor = getVisitor( jarToScan ); + + //state visitor available + final StateJarVisitor stateVisitor = visitors.get( jarToScan ); + if ( stateVisitor.hasReadFiles ) { + throw new AssertionFailure( "Cannot read files twice on NativeScanner" ); + } + stateVisitor.hasReadFiles = true; + + Set<String> endWiths = new HashSet<String>(); + Set<String> exacts = new HashSet<String>(); + for ( String pattern : filePatterns ) { + if ( pattern.startsWith( "**/*" ) ) { + final String patternTail = pattern.substring( 4, pattern.length() ); + if ( !patternTail.equals( ".hbm.xml" ) ) { + throw new AssertionFailure( + "Improper use of NativeScanner: " + + "must not filter files via pattern other than .hbm.xml" + ); + } + endWiths.add( patternTail ); + } + else { + exacts.add( pattern ); + } + } + + final Set<Entry> fileEntries; + try { + fileEntries = ( Set<Entry> ) jarVisitor.getMatchingEntries()[FILE_FILTER_INDEX]; + } + catch ( IOException e ) { + throw new RuntimeException( "Error while reading " + jarToScan.toString(), e ); + } + Set<NamedInputStream> files = new HashSet<NamedInputStream>( fileEntries.size() ); + Set<Entry> leftOver = new HashSet<Entry>( fileEntries ); + for ( Entry entry : fileEntries ) { + boolean done = false; + for ( String exact : exacts ) { + if ( entry.getName().equals( exact ) ) { + files.add( new NamedInputStream( entry.getName(), entry.getInputStream() ) ); + leftOver.remove( entry ); + done = true; + } + } + if (done) continue; + for ( String endWithPattern : endWiths ) { + if ( entry.getName().endsWith( endWithPattern ) ) { + files.add( new NamedInputStream( entry.getName(), entry.getInputStream() ) ); + leftOver.remove( entry ); + } + } + + } + for ( Entry entry : leftOver ) { + try { + entry.getInputStream().close(); + } + catch ( IOException e ) { + //swallow as we don't care about these files + } + } + return files; + } + + public Set<NamedInputStream> getFilesInClasspath(Set<String> filePatterns) { + throw new AssertionFailure( "Not implemented" ); + } + + public String getUnqualifiedJarName(URL jarToScan) { + JarVisitor jarVisitor = getVisitor( jarToScan ); + return jarVisitor.getUnqualifiedJarName(); + } + + private static class StateJarVisitor { + StateJarVisitor(JarVisitor visitor) { + this.visitor = visitor; + } + JarVisitor visitor; + boolean hasReadFiles = false; + } +} Added: entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/packaging/Scanner.java =================================================================== --- entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/packaging/Scanner.java (rev 0) +++ entitymanager/branches/v3_4_0_GA_CP/src/main/java/org/hibernate/ejb/packaging/Scanner.java 2011-12-19 08:43:31 UTC (rev 20997) @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2009, Red Hat Middleware LLC or third-party contributors as + * indicated by the @author tags or express copyright attribution + * statements applied by the authors. All third-party contributions are + * distributed under license by Red Hat Middleware LLC. + * + * This copyrighted material is made available to anyone wishing to use, modify, + * copy, or redistribute it subject to the terms and conditions of the GNU + * Lesser General Public License, as published by the Free Software Foundation. + * + * This program 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 distribution; if not, write to: + * Free Software Foundation, Inc. + * 51 Franklin Street, Fifth Floor + * Boston, MA 02110-1301 USA + */ +package org.hibernate.ejb.packaging; +import java.lang.annotation.Annotation; +import java.net.URL; +import java.util.Set; + +/** + * @author Emmanuel Bernard + */ +public interface Scanner { + /** + * return all packages in the jar matching one of these annotations + * if annotationsToLookFor is empty, return all packages + */ + Set<Package> getPackagesInJar(URL jartoScan, Set<Class<? extends Annotation>> annotationsToLookFor); + + /** + * return all classes in the jar matching one of these annotations + * if annotationsToLookFor is empty, return all classes + */ + Set<Class<?>> getClassesInJar(URL jartoScan, Set<Class<? extends Annotation>> annotationsToLookFor); + + /** + * return all files in the jar matching one of these file names + * if filePatterns is empty, return all files + * eg **\/*.hbm.xml, META-INF/orm.xml + */ + Set<NamedInputStream> getFilesInJar(URL jartoScan, Set<String> filePatterns); + + + /** + * Return all files in the classpath (ie PU visibility) matching one of these file names + * if filePatterns is empty, return all files + * the use case is really exact file name. + * + * NOT USED by HEM at the moment. We use exact file search via getResourceAsStream for now. + */ + Set<NamedInputStream> getFilesInClasspath(Set<String> filePatterns); + + /** + * return the unqualified JAR name ie customer-model.jar or store.war + */ + String getUnqualifiedJarName(URL jarUrl); + +}