| /* |
| * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.ws.spi.db; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import javax.xml.bind.JAXBContext; |
| import javax.xml.bind.Marshaller; |
| |
| |
| import com.oracle.webservices.internal.api.databinding.DatabindingModeFeature; |
| import com.sun.xml.internal.ws.db.glassfish.JAXBRIContextFactory; |
| import com.sun.xml.internal.ws.util.ServiceConfigurationError; |
| import com.sun.xml.internal.ws.util.ServiceFinder; |
| |
| /** |
| * BindingContextFactory |
| * |
| * @author shih-chang.chen@oracle.com |
| */ |
| abstract public class BindingContextFactory { |
| public static final String DefaultDatabindingMode = DatabindingModeFeature.GLASSFISH_JAXB; |
| public static final String JAXB_CONTEXT_FACTORY_PROPERTY = BindingContextFactory.class.getName(); |
| public static final Logger LOGGER = Logger.getLogger(BindingContextFactory.class.getName()); |
| |
| // This iterator adds exception checking for proper logging. |
| public static Iterator<BindingContextFactory> serviceIterator() { |
| final ServiceFinder<BindingContextFactory> sf = ServiceFinder |
| .find(BindingContextFactory.class); |
| final Iterator<BindingContextFactory> ibcf = sf.iterator(); |
| |
| return new Iterator<BindingContextFactory>() { |
| private BindingContextFactory bcf; |
| |
| public boolean hasNext() { |
| while (true) { |
| try { |
| if (ibcf.hasNext()) { |
| bcf = ibcf.next(); |
| return true; |
| } else |
| return false; |
| } catch (ServiceConfigurationError e) { |
| LOGGER.warning("skipping factory: ServiceConfigurationError: " |
| + e.getMessage()); |
| } catch (NoClassDefFoundError ncdfe) { |
| LOGGER.fine("skipping factory: NoClassDefFoundError: " |
| + ncdfe.getMessage()); |
| } |
| } |
| } |
| |
| public BindingContextFactory next() { |
| if (LOGGER.isLoggable(Level.FINER)) |
| LOGGER.finer("SPI found provider: " + |
| bcf.getClass().getName()); |
| return bcf; |
| } |
| |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| }; |
| } |
| |
| static private List<BindingContextFactory> factories() { |
| List<BindingContextFactory> factories = new java.util.ArrayList<BindingContextFactory>(); |
| Iterator<BindingContextFactory> ibcf = serviceIterator(); |
| while (ibcf.hasNext()) |
| factories.add(ibcf.next()); |
| |
| // There should always be at least one factory available. |
| if (factories.isEmpty()) { |
| if (LOGGER.isLoggable(Level.FINER)) |
| LOGGER.log(Level.FINER, "No SPI providers for BindingContextFactory found, adding: " |
| + JAXBRIContextFactory.class.getName()); |
| factories.add(new JAXBRIContextFactory()); |
| } |
| return factories; |
| } |
| |
| abstract protected BindingContext newContext(JAXBContext context); |
| |
| abstract protected BindingContext newContext(BindingInfo bi); |
| |
| /** |
| * Check to see if the BindingContextFactory is for the databinding mode/flavor. The |
| * String parameter can be the package name of the JAXBContext implementation as well. |
| * @param databinding mode/flavor or the package name of the JAXBContext implementation. |
| * @return |
| */ |
| abstract protected boolean isFor(String databinding); |
| |
| /** |
| * @deprecated - Does jaxws need this? |
| */ |
| abstract protected BindingContext getContext(Marshaller m); |
| |
| static private BindingContextFactory getFactory(String mode) { |
| for (BindingContextFactory f: factories()) { |
| if (f.isFor(mode)) |
| return f; |
| } |
| return null; |
| } |
| |
| static public BindingContext create(JAXBContext context) throws DatabindingException { |
| return getJAXBFactory(context).newContext(context); |
| } |
| |
| static public BindingContext create(BindingInfo bi) { |
| // Any mode configured in AbstractSEIModelImpl trumps all. |
| // System property comes next, then SPI-located. |
| String mode = bi.getDatabindingMode(); |
| if (mode != null) { |
| if (LOGGER.isLoggable(Level.FINE)) |
| LOGGER.log(Level.FINE, "Using SEI-configured databindng mode: " |
| + mode); |
| } else if ((mode = System.getProperty("BindingContextFactory")) != null) { |
| // The following is left for backward compatibility and should |
| // eventually be removed. |
| bi.setDatabindingMode(mode); |
| if (LOGGER.isLoggable(Level.FINE)) |
| LOGGER.log(Level.FINE, "Using databindng: " + mode |
| + " based on 'BindingContextFactory' System property"); |
| } else if ((mode = System.getProperty(JAXB_CONTEXT_FACTORY_PROPERTY)) != null) { |
| bi.setDatabindingMode(mode); |
| if (LOGGER.isLoggable(Level.FINE)) |
| LOGGER.log(Level.FINE, "Using databindng: " + mode |
| + " based on '" + JAXB_CONTEXT_FACTORY_PROPERTY |
| + "' System property"); |
| } else { |
| // Find a default provider. Note we always ensure the list is always non-empty. |
| BindingContext factory = getBindingContextFromSpi(factories(), bi); |
| if (factory != null) return factory; |
| // Should never get here as the list is non-empty. |
| LOGGER.log(Level.SEVERE, "No Binding Context Factories found."); |
| throw new DatabindingException("No Binding Context Factories found."); |
| } |
| BindingContextFactory f = getFactory(mode); |
| if (f != null) |
| return f.newContext(bi); |
| LOGGER.severe("Unknown Databinding mode: " + mode); |
| throw new DatabindingException("Unknown Databinding mode: " + mode); |
| } |
| |
| /** |
| * Creates JAXB bindingContext with one of the provided factories. |
| * To filter appropriate factory {@link BindingContextFactory#isFor(String)} method is used. |
| * Currently known 2 appropriate factories: JAXB RI and MOXY. |
| * In case no suitable factory is found we are trying to create context with any given factory. |
| * |
| * @param factories given collection of factories. |
| * @param bindingInfo will be used to create bindingContext. |
| * @return Created context or null. Null will be returned if we were not able to create context with any given factory. |
| */ |
| private static BindingContext getBindingContextFromSpi(List<BindingContextFactory> factories, BindingInfo bindingInfo) { |
| List<BindingContextFactory> fallback = new ArrayList<BindingContextFactory>(); |
| BindingContext result; |
| for (BindingContextFactory factory : factories) { |
| if (LOGGER.isLoggable(Level.FINE)) { |
| LOGGER.log(Level.FINE, "Found SPI-determined databindng mode: " + factory.getClass().getName()); |
| } |
| if (factory.isFor("org.eclipse.persistence.jaxb") || factory.isFor("com.sun.xml.internal.bind.v2.runtime")) { // filter (JAXB RI || MOXy) implementation |
| result = factory.newContext(bindingInfo); |
| if (result != null) { |
| return result; |
| } |
| } else { |
| if (LOGGER.isLoggable(Level.FINE)) { |
| LOGGER.log(Level.FINE, "Skipped -> not JAXB."); |
| } |
| fallback.add(factory); |
| } |
| } |
| for (BindingContextFactory factory : fallback) { |
| if (LOGGER.isLoggable(Level.FINE)) { |
| LOGGER.log(Level.FINE, "Fallback. Creating from: " + factory.getClass().getName()); |
| } |
| result = getContextOrNullIfError(factory, bindingInfo); |
| if (result != null) { |
| return result; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Factory creates new context bases on provided bindingInfo. |
| * @param factory given factory. |
| * @param bindingInfo to be used to create context. |
| * @return Created context or null. Null will be returned if an error happened during the creation process. |
| */ |
| private static BindingContext getContextOrNullIfError(BindingContextFactory factory, BindingInfo bindingInfo) { |
| try { |
| return factory.newContext(bindingInfo); |
| } catch (Exception e) { |
| LOGGER.log(Level.WARNING, e.getMessage(), e); |
| return null; |
| } |
| } |
| |
| static public boolean isContextSupported(Object o) { |
| if (o == null) return false; |
| String pkgName = o.getClass().getPackage().getName(); |
| for (BindingContextFactory f: factories()) if (f.isFor(pkgName)) return true; |
| return false; |
| } |
| |
| static BindingContextFactory getJAXBFactory(Object o) { |
| String pkgName = o.getClass().getPackage().getName(); |
| BindingContextFactory f = getFactory(pkgName); |
| if (f != null) return f; |
| throw new DatabindingException("Unknown JAXBContext implementation: " + o.getClass()); |
| |
| } |
| |
| /** |
| * @deprecated - Does jaxws need this? |
| */ |
| static public BindingContext getBindingContext(Marshaller m) { |
| return getJAXBFactory(m).getContext(m); |
| } |
| } |