feat(jdk8): move files to new folder to avoid resources compiled.
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216
jdkSrc/jdk8/javax/xml/ws/spi/FactoryFinder.java
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216
jdkSrc/jdk8/javax/xml/ws/spi/FactoryFinder.java
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/*
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* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package javax.xml.ws.spi;
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import java.io.*;
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import java.util.Properties;
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import javax.xml.ws.WebServiceException;
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class FactoryFinder {
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/**
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* Creates an instance of the specified class using the specified
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* <code>ClassLoader</code> object.
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*
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* @exception WebServiceException if the given class could not be found
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* or could not be instantiated
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*/
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private static Object newInstance(String className,
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ClassLoader classLoader)
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{
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try {
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Class spiClass = safeLoadClass(className, classLoader);
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return spiClass.newInstance();
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} catch (ClassNotFoundException x) {
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throw new WebServiceException(
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"Provider " + className + " not found", x);
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} catch (Exception x) {
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throw new WebServiceException(
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"Provider " + className + " could not be instantiated: " + x,
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x);
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}
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}
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/**
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* Finds the implementation <code>Class</code> object for the given
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* factory name, or if that fails, finds the <code>Class</code> object
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* for the given fallback class name. The arguments supplied MUST be
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* used in order. If using the first argument is successful, the second
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* one will not be used.
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* <P>
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* This method is package private so that this code can be shared.
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*
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* @return the <code>Class</code> object of the specified message factory;
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* may not be <code>null</code>
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*
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* @param factoryId the name of the factory to find, which is
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* a system property
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* @param fallbackClassName the implementation class name, which is
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* to be used only if nothing else
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* is found; <code>null</code> to indicate that
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* there is no fallback class name
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* @exception WebServiceException if there is an error
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*/
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static Object find(String factoryId, String fallbackClassName)
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{
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if (isOsgi()) {
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return lookupUsingOSGiServiceLoader(factoryId);
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}
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ClassLoader classLoader;
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try {
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classLoader = Thread.currentThread().getContextClassLoader();
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} catch (Exception x) {
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throw new WebServiceException(x.toString(), x);
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}
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String serviceId = "META-INF/services/" + factoryId;
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// try to find services in CLASSPATH
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BufferedReader rd = null;
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try {
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InputStream is;
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if (classLoader == null) {
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is=ClassLoader.getSystemResourceAsStream(serviceId);
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} else {
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is=classLoader.getResourceAsStream(serviceId);
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}
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if( is!=null ) {
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rd = new BufferedReader(new InputStreamReader(is, "UTF-8"));
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String factoryClassName = rd.readLine();
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if (factoryClassName != null &&
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! "".equals(factoryClassName)) {
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return newInstance(factoryClassName, classLoader);
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}
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}
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} catch( Exception ignored) {
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} finally {
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close(rd);
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}
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// try to read from $java.home/lib/jaxws.properties
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FileInputStream inStream = null;
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try {
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String javah=System.getProperty( "java.home" );
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String configFile = javah + File.separator +
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"lib" + File.separator + "jaxws.properties";
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File f=new File( configFile );
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if( f.exists()) {
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Properties props=new Properties();
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inStream = new FileInputStream(f);
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props.load(inStream);
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String factoryClassName = props.getProperty(factoryId);
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return newInstance(factoryClassName, classLoader);
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}
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} catch(Exception ignored) {
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} finally {
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close(inStream);
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}
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// Use the system property
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try {
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String systemProp =
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System.getProperty( factoryId );
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if( systemProp!=null) {
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return newInstance(systemProp, classLoader);
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}
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} catch (SecurityException ignored) {
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}
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if (fallbackClassName == null) {
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throw new WebServiceException(
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"Provider for " + factoryId + " cannot be found", null);
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}
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return newInstance(fallbackClassName, classLoader);
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}
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private static void close(Closeable closeable) {
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if (closeable != null) {
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try {
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closeable.close();
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} catch (IOException ignored) {
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}
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}
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}
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/**
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* Loads the class, provided that the calling thread has an access to the class being loaded.
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*/
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private static Class safeLoadClass(String className, ClassLoader classLoader) throws ClassNotFoundException {
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try {
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// make sure that the current thread has an access to the package of the given name.
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SecurityManager s = System.getSecurityManager();
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if (s != null) {
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int i = className.lastIndexOf('.');
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if (i != -1) {
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s.checkPackageAccess(className.substring(0, i));
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}
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}
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if (classLoader == null)
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return Class.forName(className);
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else
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return classLoader.loadClass(className);
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} catch (SecurityException se) {
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// anyone can access the platform default factory class without permission
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if (Provider.DEFAULT_JAXWSPROVIDER.equals(className))
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return Class.forName(className);
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throw se;
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}
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}
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private static final String OSGI_SERVICE_LOADER_CLASS_NAME = "com.sun.org.glassfish.hk2.osgiresourcelocator.ServiceLoader";
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private static boolean isOsgi() {
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try {
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Class.forName(OSGI_SERVICE_LOADER_CLASS_NAME);
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return true;
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} catch (ClassNotFoundException ignored) {
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}
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return false;
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}
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private static Object lookupUsingOSGiServiceLoader(String factoryId) {
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try {
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// Use reflection to avoid having any dependendcy on ServiceLoader class
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Class serviceClass = Class.forName(factoryId);
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Class[] args = new Class[]{serviceClass};
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Class target = Class.forName(OSGI_SERVICE_LOADER_CLASS_NAME);
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java.lang.reflect.Method m = target.getMethod("lookupProviderInstances", Class.class);
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java.util.Iterator iter = ((Iterable) m.invoke(null, (Object[]) args)).iterator();
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return iter.hasNext() ? iter.next() : null;
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} catch (Exception ignored) {
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// log and continue
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return null;
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}
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}
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}
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