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Hibernate example source code file (ClassLoaderServiceImpl.java)
The Hibernate ClassLoaderServiceImpl.java source code/* * Hibernate, Relational Persistence for Idiomatic Java * * Copyright (c) 2010, Red Hat Inc. 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 Inc. * * 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.service.classloading.internal; import java.io.InputStream; import java.net.URL; import java.util.ArrayList; import java.util.Enumeration; import java.util.LinkedHashSet; import java.util.List; import java.util.Map; import org.hibernate.cfg.AvailableSettings; import org.hibernate.service.classloading.spi.ClassLoaderService; import org.hibernate.service.classloading.spi.ClassLoadingException; /** * Standard implementation of the service for interacting with class loaders * * @author Steve Ebersole */ public class ClassLoaderServiceImpl implements ClassLoaderService { private final LinkedHashSet<ClassLoader> classLoadingClassLoaders; private final ClassLoader resourcesClassLoader; public ClassLoaderServiceImpl(Map configVales) { this( determineClassLoaders( configVales ) ); } private ClassLoaderServiceImpl(ClassLoader... classLoaders) { this( classLoaders[0], classLoaders[1], classLoaders[2], classLoaders[3] ); } private static ClassLoader[] determineClassLoaders(Map configVales) { ClassLoader applicationClassLoader = (ClassLoader) configVales.get( AvailableSettings.APP_CLASSLOADER ); ClassLoader resourcesClassLoader = (ClassLoader) configVales.get( AvailableSettings.RESOURCES_CLASSLOADER ); ClassLoader hibernateClassLoader = (ClassLoader) configVales.get( AvailableSettings.HIBERNATE_CLASSLOADER ); ClassLoader environmentClassLoader = (ClassLoader) configVales.get( AvailableSettings.ENVIRONMENT_CLASSLOADER ); if ( hibernateClassLoader == null ) { hibernateClassLoader = ClassLoaderServiceImpl.class.getClassLoader(); } if ( environmentClassLoader == null || applicationClassLoader == null ) { ClassLoader sysClassLoader = locateSystemClassLoader(); ClassLoader tccl = locateTCCL(); if ( environmentClassLoader == null ) { environmentClassLoader = sysClassLoader != null ? sysClassLoader : hibernateClassLoader; } if ( applicationClassLoader == null ) { applicationClassLoader = tccl != null ? tccl : hibernateClassLoader; } } if ( resourcesClassLoader == null ) { resourcesClassLoader = applicationClassLoader; } return new ClassLoader[] { applicationClassLoader, resourcesClassLoader, hibernateClassLoader, environmentClassLoader }; } private static ClassLoader locateSystemClassLoader() { try { return ClassLoader.getSystemClassLoader(); } catch ( Exception e ) { return null; } } private static ClassLoader locateTCCL() { try { return Thread.currentThread().getContextClassLoader(); } catch ( Exception e ) { return null; } } public ClassLoaderServiceImpl(ClassLoader classLoader) { this( classLoader, classLoader, classLoader, classLoader ); } public ClassLoaderServiceImpl( ClassLoader applicationClassLoader, ClassLoader resourcesClassLoader, ClassLoader hibernateClassLoader, ClassLoader environmentClassLoader) { this.classLoadingClassLoaders = new LinkedHashSet<ClassLoader>(); classLoadingClassLoaders.add( applicationClassLoader ); classLoadingClassLoaders.add( hibernateClassLoader ); classLoadingClassLoaders.add( environmentClassLoader ); this.resourcesClassLoader = resourcesClassLoader; } @Override @SuppressWarnings( {"unchecked"}) public <T> Class Other Hibernate examples (source code examples)Here is a short list of links related to this Hibernate ClassLoaderServiceImpl.java source code file: |
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