1 /*
   2  * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package javax.xml.bind;
  27 
  28 import java.util.Map;
  29 
  30 /**
  31  * <p>Factory that creates new <code>JAXBContext</code> instances.
  32  *
  33  * JAXBContextFactory can be located using {@link java.util.ServiceLoader#load(Class)}
  34  *
  35  * @since 9, JAXB 2.3
  36  */
  37 public interface JAXBContextFactory {
  38 
  39     /**
  40      * <p>
  41      * Create a new instance of a {@code JAXBContext} class.
  42      *
  43      * <p>
  44      * For semantics see {@link javax.xml.bind.JAXBContext#newInstance(Class[], java.util.Map)}
  45      *
  46      * @param classesToBeBound
  47      *      List of java classes to be recognized by the new {@link JAXBContext}.
  48      *      Classes in {@code classesToBeBound} that are in named modules must be in a package
  49      *      that is {@linkplain java.lang.reflect.Module#isOpen open} to at least the {@code java.xml.bind} module.
  50      *      Can be empty, in which case a {@link JAXBContext} that only knows about
  51      *      spec-defined classes will be returned.
  52      * @param properties
  53      *      provider-specific properties. Can be null, which means the same thing as passing
  54      *      in an empty map.
  55      *
  56      * @return
  57      *      A new instance of a {@code JAXBContext}.
  58      *
  59      * @throws JAXBException
  60      *      if an error was encountered while creating the
  61      *      {@code JAXBContext}, such as (but not limited to):
  62      * <ol>
  63      *  <li>No JAXB implementation was discovered
  64      *  <li>Classes use JAXB annotations incorrectly
  65      *  <li>Classes have colliding annotations (i.e., two classes with the same type name)
  66      *  <li>The JAXB implementation was unable to locate
  67      *      provider-specific out-of-band information (such as additional
  68      *      files generated at the development time.)
  69      *  <li>{@code classesToBeBound} are not open to {@code java.xml.bind} module
  70      * </ol>
  71      *
  72      * @throws IllegalArgumentException
  73      *      if the parameter contains {@code null} (i.e., {@code newInstance(null,someMap);})
  74      *
  75      * @since 9, JAXB 2.3
  76      */
  77     JAXBContext createContext(Class<?>[] classesToBeBound,
  78                               Map<String, ?> properties ) throws JAXBException;
  79 
  80     /**
  81      * <p>
  82      * Create a new instance of a {@code JAXBContext} class.
  83      *
  84      * <p>
  85      * For semantics see {@link javax.xml.bind.JAXBContext#newInstance(String, ClassLoader, java.util.Map)}
  86      *
  87      * <p>
  88      * The interpretation of properties is up to implementations. Implementations must
  89      * throw {@code JAXBException} if it finds properties that it doesn't understand.
  90      *
  91      * @param contextPath
  92      *      List of java package names that contain schema derived classes.
  93      *      Classes in {@code classesToBeBound} that are in named modules must be in a package
  94      *      that is {@linkplain java.lang.reflect.Module#isOpen open} to at least the {@code java.xml.bind} module.
  95      * @param classLoader
  96      *      This class loader will be used to locate the implementation classes.
  97      * @param properties
  98      *      provider-specific properties. Can be null, which means the same thing as passing
  99      *      in an empty map.
 100      *
 101      * @return a new instance of a {@code JAXBContext}
 102      * @throws JAXBException if an error was encountered while creating the
 103      *                       {@code JAXBContext} such as
 104      * <ol>
 105      *   <li>failure to locate either ObjectFactory.class or jaxb.index in the packages</li>
 106      *   <li>an ambiguity among global elements contained in the contextPath</li>
 107      *   <li>failure to locate a value for the context factory provider property</li>
 108      *   <li>mixing schema derived packages from different providers on the same contextPath</li>
 109      *   <li>packages are not open to {@code java.xml.bind} module</li>
 110      * </ol>
 111      *
 112      * @since 9, JAXB 2.3
 113      */
 114     JAXBContext createContext(String contextPath,
 115                               ClassLoader classLoader,
 116                               Map<String, ?> properties ) throws JAXBException;
 117 
 118 }