jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/policy/privateutil/PolicyUtils.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/ws/policy/privateutil/PolicyUtils.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/ws/policy/privateutil/PolicyUtils.java

Thu, 31 Aug 2017 15:18:52 +0800

author: aoqi
date: Thu, 31 Aug 2017 15:18:52 +0800
changeset 637: 9c07ef4934dd
parent 418: 43240b8b995b
parent 0: 373ffda63c9a
permissions: -rw-r--r--

merge

 /*
  * Copyright (c) 1997, 2013, 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.policy.privateutil;
 import com.sun.xml.internal.ws.policy.PolicyException;
 import java.io.Closeable;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.Comparator;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Queue;
 import javax.xml.namespace.QName;
 import javax.xml.stream.XMLStreamException;
 import javax.xml.stream.XMLStreamReader;
 /**
  * This is a wrapper class for various utilities that may be reused within Policy API implementation.
  * The class is not part of public Policy API. Do not use it from your client code!
  *
  * @author Marek Potociar
  */
 public final class PolicyUtils {
     private PolicyUtils() { }
     public static class Commons {
         /**
          * Method returns the name of the method that is on the {@code methodIndexInStack}
          * position in the call stack of the current {@link Thread}.
          *
          * @param methodIndexInStack index to the call stack to get the method name for.
          * @return the name of the method that is on the {@code methodIndexInStack}
          *         position in the call stack of the current {@link Thread}.
          */
         public static String getStackMethodName(final int methodIndexInStack) {
             final String methodName;
             final StackTraceElement[] stack = Thread.currentThread().getStackTrace();
             if (stack.length > methodIndexInStack + 1) {
                 methodName = stack[methodIndexInStack].getMethodName();
             } else {
                 methodName = "UNKNOWN METHOD";
             }
             return methodName;
         }
         /**
          * Function returns the name of the caller method for the method executing this
          * function.
          *
          * @return caller method name from the call stack of the current {@link Thread}.
          */
         public static String getCallerMethodName() {
             String result = getStackMethodName(5);
             if (result.equals("invoke0")) {
                 // We are likely running on Mac OS X, which returns a shorter stack trace
                 result = getStackMethodName(4);
             }
             return result;
         }
     }
     public static class IO {
         private static final PolicyLogger LOGGER = PolicyLogger.getLogger(PolicyUtils.IO.class);
         /**
          * If the {@code resource} is not {@code null}, this method will try to close the
          * {@code resource} instance and log warning about any unexpected
          * {@link IOException} that may occur.
          *
          * @param resource resource to be closed
          */
         public static void closeResource(Closeable resource) {
             if (resource != null) {
                 try {
                     resource.close();
                 } catch (IOException e) {
                     LOGGER.warning(LocalizationMessages.WSP_0023_UNEXPECTED_ERROR_WHILE_CLOSING_RESOURCE(resource.toString()), e);
                 }
             }
         }
         /**
          * If the {@code reader} is not {@code null}, this method will try to close the
          * {@code reader} instance and log warning about any unexpected
          * {@link IOException} that may occur.
          *
          * @param reader resource to be closed
          */
         public static void closeResource(XMLStreamReader reader) {
             if (reader != null) {
                 try {
                     reader.close();
                 } catch (XMLStreamException e) {
                     LOGGER.warning(LocalizationMessages.WSP_0023_UNEXPECTED_ERROR_WHILE_CLOSING_RESOURCE(reader.toString()), e);
                 }
             }
         }
     }
     /**
      * Text utilities wrapper.
      */
     public static class Text {
         /**
          * System-specific line separator character retrieved from the Java system property
          * <code>line.separator</code>
          */
         public final static String NEW_LINE = System.getProperty("line.separator");
         /**
          * Method creates indent string consisting of as many {@code TAB} characters as specified by {@code indentLevel} parameter
          *
          * @param indentLevel indentation level
          * @return indentation string as specified by indentation level
          *
          */
         public static String createIndent(final int indentLevel) {
             final char[] charData = new char[indentLevel * 4];
             Arrays.fill(charData, ' ');
             return String.valueOf(charData);
         }
     }
     public static class Comparison {
         /**
          * The comparator comapres QName objects according to their publicly accessible attributes, in the following
          * order of attributes:
          *
          * 1. namespace (not null String)
          * 2. local name (not null String)
          */
         public static final Comparator<QName> QNAME_COMPARATOR = new Comparator<QName>() {
             public int compare(final QName qn1, final QName qn2) {
                 if (qn1 == qn2 || qn1.equals(qn2)) {
                     return 0;
                 }
                 int result;
                 result = qn1.getNamespaceURI().compareTo(qn2.getNamespaceURI());
                 if (result != 0) {
                     return result;
                 }
                 return qn1.getLocalPart().compareTo(qn2.getLocalPart());
             }
         };
         /**
          * Compares two boolean values in the following way: {@code false < true}
          *
          * @return {@code -1} if {@code b1 < b2}, {@code 0} if {@code b1 == b2}, {@code 1} if {@code b1 > b2}
          */
         public static int compareBoolean(final boolean b1, final boolean b2) {
             final int i1 = (b1) ? 1 : 0;
             final int i2 = (b2) ? 1 : 0;
             return i1 - i2;
         }
         /**
          * Compares two String values, that may possibly be null in the following way: {@code null < "string value"}
          *
          * @return {@code -1} if {@code s1 < s2}, {@code 0} if {@code s1 == s2}, {@code 1} if {@code s1 > s2}
          */
         public static int compareNullableStrings(final String s1, final String s2) {
             return ((s1 == null) ? ((s2 == null) ? 0 : -1) : ((s2 == null) ? 1 : s1.compareTo(s2)));
         }
     }
     public static class Collections {
         /**
          * TODO javadocs
          *
          * @param initialBase the combination base that will be present in each combination. May be {@code null} or empty.
          * @param options options that should be combined. May be {@code null} or empty.
          * @param ignoreEmptyOption flag identifies whether empty options should be ignored or whether the method should halt
          *        processing and return {@code null} when an empty option is encountered
          * @return TODO
          */
         public static <E, T extends Collection<? extends E>, U extends Collection<? extends E>> Collection<Collection<E>> combine(final U initialBase, final Collection<T> options, final boolean ignoreEmptyOption) {
             List<Collection<E>> combinations = null;
             if (options == null || options.isEmpty()) {
                 // no combination creation needed
                 if (initialBase != null) {
                     combinations = new ArrayList<Collection<E>>(1);
                     combinations.add(new ArrayList<E>(initialBase));
                 }
                 return combinations;
             }
             // creating defensive and modifiable copy of the base
             final Collection<E> base = new LinkedList<E>();
             if (initialBase != null && !initialBase.isEmpty()) {
                 base.addAll(initialBase);
             }
             /**
              * now we iterate over all options and build up an option processing queue:
              *   1. if ignoreEmptyOption flag is not set and we found an empty option, we are going to stop processing and return null. Otherwise we
              *      ignore the empty option.
              *   2. if the option has one child only, we add the child directly to the base.
              *   3. if there are more children in examined node, we add it to the queue for further processing and precoumpute the final size of
              *      resulting collection of combinations.
              */
             int finalCombinationsSize = 1;
             final Queue<T> optionProcessingQueue = new LinkedList<T>();
             for (T option : options) {
                 final int optionSize =  option.size();
                 if (optionSize == 0) {
                     if (!ignoreEmptyOption) {
                         return null;
                     }
                 } else if (optionSize == 1) {
                     base.addAll(option);
                 } else {
                     optionProcessingQueue.offer(option);
                     finalCombinationsSize *= optionSize;
                 }
             }
             // creating final combinations
             combinations = new ArrayList<Collection<E>>(finalCombinationsSize);
             combinations.add(base);
             if (finalCombinationsSize > 1) {
                 T processedOption;
                 while ((processedOption = optionProcessingQueue.poll()) != null) {
                     final int actualSemiCombinationCollectionSize = combinations.size();
                     final int newSemiCombinationCollectionSize = actualSemiCombinationCollectionSize * processedOption.size();
                     int semiCombinationIndex = 0;
                     for (E optionElement : processedOption) {
                         for (int i = 0; i < actualSemiCombinationCollectionSize; i++) {
                             final Collection<E> semiCombination = combinations.get(semiCombinationIndex); // unfinished combination
                             if (semiCombinationIndex + actualSemiCombinationCollectionSize < newSemiCombinationCollectionSize) {
                                 // this is not the last optionElement => we create a new combination copy for the next child
                                 combinations.add(new LinkedList<E>(semiCombination));
                             }
                             semiCombination.add(optionElement);
                             semiCombinationIndex++;
                         }
                     }
                 }
             }
             return combinations;
         }
     }
     /**
      * Reflection utilities wrapper
      */
     static class Reflection {
         private static final PolicyLogger LOGGER = PolicyLogger.getLogger(PolicyUtils.Reflection.class);
         /**
          * Reflectively invokes specified method on the specified target
          */
         static <T> T invoke(final Object target, final String methodName,
                 final Class<T> resultClass, final Object... parameters) throws RuntimePolicyUtilsException {
             Class[] parameterTypes;
             if (parameters != null && parameters.length > 0) {
                 parameterTypes = new Class[parameters.length];
                 int i = 0;
                 for (Object parameter : parameters) {
                     parameterTypes[i++] = parameter.getClass();
                 }
             } else {
                 parameterTypes = null;
             }
             return invoke(target, methodName, resultClass, parameters, parameterTypes);
         }
         /**
          * Reflectively invokes specified method on the specified target
          */
         public static <T> T invoke(final Object target, final String methodName, final Class<T> resultClass,
                 final Object[] parameters, final Class[] parameterTypes) throws RuntimePolicyUtilsException {
             try {
                 final Method method = target.getClass().getMethod(methodName, parameterTypes);
                 final Object result = MethodUtil.invoke(target, method,parameters);
                 return resultClass.cast(result);
             } catch (IllegalArgumentException e) {
                 throw LOGGER.logSevereException(new RuntimePolicyUtilsException(createExceptionMessage(target, parameters, methodName), e));
             } catch (InvocationTargetException e) {
                 throw LOGGER.logSevereException(new RuntimePolicyUtilsException(createExceptionMessage(target, parameters, methodName), e));
             } catch (IllegalAccessException e) {
                 throw LOGGER.logSevereException(new RuntimePolicyUtilsException(createExceptionMessage(target, parameters, methodName), e.getCause()));
             } catch (SecurityException e) {
                 throw LOGGER.logSevereException(new RuntimePolicyUtilsException(createExceptionMessage(target, parameters, methodName), e));
             } catch (NoSuchMethodException e) {
                 throw LOGGER.logSevereException(new RuntimePolicyUtilsException(createExceptionMessage(target, parameters, methodName), e));
             }
         }
         private static String createExceptionMessage(final Object target, final Object[] parameters, final String methodName) {
             return LocalizationMessages.WSP_0061_METHOD_INVOCATION_FAILED(target.getClass().getName(), methodName,
                     parameters == null ? null : Arrays.asList(parameters).toString());
         }
     }
     public static class ConfigFile {
         /**
          * Generates a config file resource name from provided config file identifier.
          * The generated file name can be transformed into a URL instance using
          * {@link #loadFromContext(String, Object)} or {@link #loadFromClasspath(String)}
          * method.
          *
          * @param configFileIdentifier the string used to generate the config file URL that will be parsed. Each WSIT config
          *        file is in form of <code>wsit-<i>{configFileIdentifier}</i>.xml</code>. Must not be {@code null}.
          * @return generated config file resource name
          * @throw PolicyException If configFileIdentifier is null.
          */
         public static String generateFullName(final String configFileIdentifier) throws PolicyException {
             if (configFileIdentifier != null) {
                 final StringBuffer buffer = new StringBuffer("wsit-");
                 buffer.append(configFileIdentifier).append(".xml");
                 return buffer.toString();
             } else {
                 throw new PolicyException(LocalizationMessages.WSP_0080_IMPLEMENTATION_EXPECTED_NOT_NULL());
             }
         }
         /**
          * Returns a URL pointing to the given config file. The file name is
          * looked up as a resource from a ServletContext.
          *
          * May return null if the file can not be found.
          *
          * @param configFileName The name of the file resource
          * @param context A ServletContext object. May not be null.
          */
         public static URL loadFromContext(final String configFileName, final Object context) {
             return Reflection.invoke(context, "getResource", URL.class, configFileName);
         }
         /**
          * Returns a URL pointing to the given config file. The file is looked up as
          * a resource on the classpath.
          *
          * May return null if the file can not be found.
          *
          * @param configFileName the name of the file resource. May not be {@code null}.
          */
         public static URL loadFromClasspath(final String configFileName) {
             final ClassLoader cl = Thread.currentThread().getContextClassLoader();
             if (cl == null) {
                 return ClassLoader.getSystemResource(configFileName);
             } else {
                 return cl.getResource(configFileName);
             }
         }
     }
     /**
      * Wrapper for ServiceFinder class which is not part of the Java SE yet.
      */
     public static class ServiceProvider {
         /**
          * Locates and incrementally instantiates the available providers of a
          * given service using the given class loader.
          * <p/>
          * <p> This method transforms the name of the given service class into a
          * provider-configuration filename as described above and then uses the
          * <tt>getResources</tt> method of the given class loader to find all
          * available files with that name.  These files are then read and parsed to
          * produce a list of provider-class names. Eventually each provider class is
          * instantiated and array of those instances is returned.
          * <p/>
          * <p> Because it is possible for extensions to be installed into a running
          * Java virtual machine, this method may return different results each time
          * it is invoked. <p>
          *
          * @param serviceClass The service's abstract service class. Must not be {@code null}.
          * @param loader  The class loader to be used to load provider-configuration files
          *                and instantiate provider classes, or <tt>null</tt> if the system
          *                class loader (or, failing that the bootstrap class loader) is to
          *                be used
          * @throws NullPointerException in case {@code service} input parameter is {@code null}.
          * @throws ServiceConfigurationError If a provider-configuration file violates the specified format
          *                                   or names a provider class that cannot be found and instantiated
          * @see #load(Class)
          */
         public static <T> T[] load(final Class<T> serviceClass, final ClassLoader loader) {
             return ServiceFinder.find(serviceClass, loader).toArray();
         }
         /**
          * Locates and incrementally instantiates the available providers of a
          * given service using the context class loader.  This convenience method
          * is equivalent to
          * <p/>
          * <pre>
          *   ClassLoader cl = Thread.currentThread().getContextClassLoader();
          *   return PolicyUtils.ServiceProvider.load(service, cl);
          * </pre>
          *
          * @param serviceClass The service's abstract service class. Must not be {@code null}.
          *
          * @throws NullPointerException in case {@code service} input parameter is {@code null}.
          * @throws ServiceConfigurationError If a provider-configuration file violates the specified format
          *                                   or names a provider class that cannot be found and instantiated
          * @see #load(Class, ClassLoader)
          */
         public static <T> T[] load(final Class<T> serviceClass) {
             return ServiceFinder.find(serviceClass).toArray();
         }
     }
     public static class Rfc2396 {
         private static final PolicyLogger LOGGER = PolicyLogger.getLogger(PolicyUtils.Reflection.class);
         // converts "hello%20world" into "hello world"
         public static String unquote(final String quoted) {
             if (null == quoted) {
                 return null;
             }
             final byte[] unquoted = new byte[quoted.length()]; // result cannot be longer than original string
             int newLength = 0;
             char c;
             int hi, lo;
             for (int i=0; i < quoted.length(); i++) {    // iterarate over all chars in the input
                 c = quoted.charAt(i);
                 if ('%' == c) {                         // next escape sequence found
                     if ((i + 2) >= quoted.length()) {
                         throw LOGGER.logSevereException(new RuntimePolicyUtilsException(LocalizationMessages.WSP_0079_ERROR_WHILE_RFC_2396_UNESCAPING(quoted)), false);
                     }
                     hi = Character.digit(quoted.charAt(++i), 16);
                     lo = Character.digit(quoted.charAt(++i), 16);
                     if ((0 > hi) || (0 > lo)) {
                         throw LOGGER.logSevereException(new RuntimePolicyUtilsException(LocalizationMessages.WSP_0079_ERROR_WHILE_RFC_2396_UNESCAPING(quoted)), false);
                     }
                     unquoted[newLength++] = (byte) (hi * 16 + lo);
                 } else { // regular character found
                     unquoted[newLength++] = (byte) c;
                 }
             }
             try {
                 return new String(unquoted, 0, newLength, "utf-8");
             } catch (UnsupportedEncodingException uee) {
                 throw LOGGER.logSevereException(new RuntimePolicyUtilsException(LocalizationMessages.WSP_0079_ERROR_WHILE_RFC_2396_UNESCAPING(quoted), uee));
             }
         }
     }
 }

Mercurial > jdk8-mips64-public > jaxws / annotate

src/share/jaxws_classes/com/sun/xml/internal/ws/policy/privateutil/PolicyUtils.java@9c07ef4934dd (annotated)

src/share/jaxws_classes/com/sun/xml/internal/ws/policy/privateutil/PolicyUtils.java