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src/java.xml.ws/share/classes/javax/xml/ws/spi/FactoryFinder.java

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   1 /*
   2  * Copyright (c) 2005, 2013, 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.ws.spi;
  27 
  28 import java.io.*;
  29 
  30 import java.util.Properties;
  31 import javax.xml.ws.WebServiceException;
  32 
  33 class FactoryFinder {
  34 
  35     /**
  36      * Creates an instance of the specified class using the specified
  37      * <code>ClassLoader</code> object.
  38      *
  39      * @exception WebServiceException if the given class could not be found
  40      *            or could not be instantiated
  41      */
  42     private static Object newInstance(String className,
  43                                       ClassLoader classLoader)
  44     {
  45         try {
  46             Class spiClass = safeLoadClass(className, classLoader);
  47             return spiClass.newInstance();
  48         } catch (ClassNotFoundException x) {
  49             throw new WebServiceException(
  50                 "Provider " + className + " not found", x);
  51         } catch (Exception x) {
  52             throw new WebServiceException(
  53                 "Provider " + className + " could not be instantiated: " + x,
  54                 x);
  55         }
  56     }
  57 
  58     /**
  59      * Finds the implementation <code>Class</code> object for the given
  60      * factory name, or if that fails, finds the <code>Class</code> object
  61      * for the given fallback class name. The arguments supplied MUST be
  62      * used in order. If using the first argument is successful, the second
  63      * one will not be used.
  64      * <P>
  65      * This method is package private so that this code can be shared.
  66      *
  67      * @return the <code>Class</code> object of the specified message factory;
  68      *         may not be <code>null</code>
  69      *
  70      * @param factoryId             the name of the factory to find, which is
  71      *                              a system property
  72      * @param fallbackClassName     the implementation class name, which is
  73      *                              to be used only if nothing else
  74      *                              is found; <code>null</code> to indicate that
  75      *                              there is no fallback class name
  76      * @exception WebServiceException if there is an error
  77      */
  78     static Object find(String factoryId, String fallbackClassName)
  79     {
  80         if (isOsgi()) {
  81             return lookupUsingOSGiServiceLoader(factoryId);
  82         }
  83         ClassLoader classLoader;
  84         try {
  85             classLoader = Thread.currentThread().getContextClassLoader();
  86         } catch (Exception x) {
  87             throw new WebServiceException(x.toString(), x);
  88         }
  89 
  90         String serviceId = "META-INF/services/" + factoryId;
  91         // try to find services in CLASSPATH
  92         BufferedReader rd = null;
  93         try {
  94             InputStream is;


   1 /*
   2  * Copyright (c) 2005, 2015, 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.ws.spi;
  27 
  28 import java.io.*;
  29 
  30 import java.util.Properties;
  31 import javax.xml.ws.WebServiceException;
  32 
  33 class FactoryFinder {
  34 
  35     /**
  36      * Creates an instance of the specified class using the specified
  37      * {@code ClassLoader} object.
  38      *
  39      * @exception WebServiceException if the given class could not be found
  40      *            or could not be instantiated
  41      */
  42     private static Object newInstance(String className,
  43                                       ClassLoader classLoader)
  44     {
  45         try {
  46             Class spiClass = safeLoadClass(className, classLoader);
  47             return spiClass.newInstance();
  48         } catch (ClassNotFoundException x) {
  49             throw new WebServiceException(
  50                 "Provider " + className + " not found", x);
  51         } catch (Exception x) {
  52             throw new WebServiceException(
  53                 "Provider " + className + " could not be instantiated: " + x,
  54                 x);
  55         }
  56     }
  57 
  58     /**
  59      * Finds the implementation {@code Class} object for the given
  60      * factory name, or if that fails, finds the {@code Class} object
  61      * for the given fallback class name. The arguments supplied MUST be
  62      * used in order. If using the first argument is successful, the second
  63      * one will not be used.
  64      * <P>
  65      * This method is package private so that this code can be shared.
  66      *
  67      * @return the {@code Class} object of the specified message factory;
  68      *         may not be {@code null}
  69      *
  70      * @param factoryId             the name of the factory to find, which is
  71      *                              a system property
  72      * @param fallbackClassName     the implementation class name, which is
  73      *                              to be used only if nothing else
  74      *                              is found; {@code null} to indicate that
  75      *                              there is no fallback class name
  76      * @exception WebServiceException if there is an error
  77      */
  78     static Object find(String factoryId, String fallbackClassName)
  79     {
  80         if (isOsgi()) {
  81             return lookupUsingOSGiServiceLoader(factoryId);
  82         }
  83         ClassLoader classLoader;
  84         try {
  85             classLoader = Thread.currentThread().getContextClassLoader();
  86         } catch (Exception x) {
  87             throw new WebServiceException(x.toString(), x);
  88         }
  89 
  90         String serviceId = "META-INF/services/" + factoryId;
  91         // try to find services in CLASSPATH
  92         BufferedReader rd = null;
  93         try {
  94             InputStream is;


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