init
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.catalina.manager.util;
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import java.util.Comparator;
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import org.apache.catalina.Session;
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/**
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* Comparator which permits to compare on a session's content.
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*
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* @param <T> The type of the session content to be compared
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*
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* @author Cédrik LIME
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*/
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public abstract class BaseSessionComparator<T> implements Comparator<Session> {
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/**
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*
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*/
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public BaseSessionComparator() {
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super();
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}
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public abstract Comparable<T> getComparableObject(Session session);
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/* (non-Javadoc)
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* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
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*/
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@SuppressWarnings("unchecked")
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@Override
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public final int compare(Session s1, Session s2) {
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Comparable<T> c1 = getComparableObject(s1);
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Comparable<T> c2 = getComparableObject(s2);
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return c1==null ? (c2==null ? 0 : -1) : (c2==null ? 1 : c1.compareTo((T)c2));
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}
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}
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260
java/org/apache/catalina/manager/util/SessionUtils.java
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260
java/org/apache/catalina/manager/util/SessionUtils.java
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.catalina.manager.util;
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import java.lang.reflect.Method;
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import java.security.Principal;
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import java.util.ArrayList;
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import java.util.Enumeration;
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import java.util.List;
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import java.util.Locale;
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import javax.security.auth.Subject;
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import javax.servlet.http.HttpSession;
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import org.apache.catalina.Session;
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import org.apache.tomcat.util.ExceptionUtils;
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/**
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* Utility methods on HttpSessions...
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* @author Cédrik LIME
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*/
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public class SessionUtils {
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/**
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*
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*/
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private SessionUtils() {
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super();
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}
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/**
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* The session attributes key under which the user's selected
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* <code>java.util.Locale</code> is stored, if any.
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*/
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// org.apache.struts.Globals.LOCALE_KEY
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private static final String STRUTS_LOCALE_KEY = "org.apache.struts.action.LOCALE";//$NON-NLS-1$
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// javax.servlet.jsp.jstl.core.Config.FMT_LOCALE
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private static final String JSTL_LOCALE_KEY = "javax.servlet.jsp.jstl.fmt.locale";//$NON-NLS-1$
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// org.springframework.web.servlet.i18n.SessionLocaleResolver.LOCALE_SESSION_ATTRIBUTE_NAME
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private static final String SPRING_LOCALE_KEY = "org.springframework.web.servlet.i18n.SessionLocaleResolver.LOCALE";//$NON-NLS-1$
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/**
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* Lower and upper-case strings will be dynamically generated. Put mid-capitalised strings here!
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*/
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private static final String[] LOCALE_TEST_ATTRIBUTES = new String[] {
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STRUTS_LOCALE_KEY, SPRING_LOCALE_KEY, JSTL_LOCALE_KEY, "Locale", "java.util.Locale" };
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/**
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* For efficient operation, list the attributes here with the typically used
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* capitalisation. This will be tried first and then the auto-generated
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* upper and lower case versions will be tried.
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*/
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private static final String[] USER_TEST_ATTRIBUTES = new String[] {
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"Login", "User", "userName", "UserName", "Utilisateur",
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"SPRING_SECURITY_LAST_USERNAME"};
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/**
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* Try to get user locale from the session, if possible.
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* IMPLEMENTATION NOTE: this method has explicit support for Tapestry 3, Struts 1.x and Spring
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* JSF check the browser meta tag "accept languages" to choose what language to display.
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* @param in_session The session
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* @return the locale
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*/
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public static Locale guessLocaleFromSession(final Session in_session) {
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return guessLocaleFromSession(in_session.getSession());
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}
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public static Locale guessLocaleFromSession(final HttpSession in_session) {
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if (null == in_session) {
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return null;
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}
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try {
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Locale locale = null;
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// First search "known locations"
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for (int i = 0; i < LOCALE_TEST_ATTRIBUTES.length; ++i) {
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Object obj = in_session.getAttribute(LOCALE_TEST_ATTRIBUTES[i]);
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if (obj instanceof Locale) {
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locale = (Locale) obj;
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break;
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}
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obj = in_session.getAttribute(LOCALE_TEST_ATTRIBUTES[i].toLowerCase(Locale.ENGLISH));
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if (obj instanceof Locale) {
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locale = (Locale) obj;
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break;
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}
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obj = in_session.getAttribute(LOCALE_TEST_ATTRIBUTES[i].toUpperCase(Locale.ENGLISH));
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if (obj instanceof Locale) {
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locale = (Locale) obj;
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break;
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}
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}
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if (null != locale) {
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return locale;
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}
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// Tapestry 3.0: Engine stored in session under "org.apache.tapestry.engine:" + config.getServletName()
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// TODO: Tapestry 4+
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final List<Object> tapestryArray = new ArrayList<>();
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for (Enumeration<String> enumeration = in_session.getAttributeNames(); enumeration.hasMoreElements();) {
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String name = enumeration.nextElement();
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if (name.indexOf("tapestry") > -1 && name.indexOf("engine") > -1 && null != in_session.getAttribute(name)) {//$NON-NLS-1$ //$NON-NLS-2$
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tapestryArray.add(in_session.getAttribute(name));
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}
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}
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if (tapestryArray.size() == 1) {
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// found a potential Engine! Let's call getLocale() on it.
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Object probableEngine = tapestryArray.get(0);
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if (null != probableEngine) {
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try {
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Method readMethod = probableEngine.getClass().getMethod("getLocale", (Class<?>[])null);//$NON-NLS-1$
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// Call the property getter and return the value
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Object possibleLocale = readMethod.invoke(probableEngine, (Object[]) null);
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if (possibleLocale instanceof Locale) {
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locale = (Locale) possibleLocale;
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}
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} catch (Exception e) {
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Throwable t = ExceptionUtils
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.unwrapInvocationTargetException(e);
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ExceptionUtils.handleThrowable(t);
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// stay silent
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}
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}
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}
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if (null != locale) {
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return locale;
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}
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// Last guess: iterate over all attributes, to find a Locale
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// If there is only one, consider it to be /the/ locale
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final List<Object> localeArray = new ArrayList<>();
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for (Enumeration<String> enumeration = in_session.getAttributeNames(); enumeration.hasMoreElements();) {
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String name = enumeration.nextElement();
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Object obj = in_session.getAttribute(name);
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if (obj instanceof Locale) {
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localeArray.add(obj);
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}
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}
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if (localeArray.size() == 1) {
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locale = (Locale) localeArray.get(0);
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}
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return locale;
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} catch (IllegalStateException ise) {
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//ignore: invalidated session
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return null;
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}
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}
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/**
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* Try to get user from the session, if possible.
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* @param in_session The session
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* @return the user
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*/
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public static Object guessUserFromSession(final Session in_session) {
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if (null == in_session) {
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return null;
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}
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if (in_session.getPrincipal() != null) {
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return in_session.getPrincipal().getName();
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}
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HttpSession httpSession = in_session.getSession();
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if (httpSession == null)
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return null;
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try {
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Object user = null;
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// First search "known locations"
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for (int i = 0; i < USER_TEST_ATTRIBUTES.length; ++i) {
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Object obj = httpSession.getAttribute(USER_TEST_ATTRIBUTES[i]);
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if (null != obj) {
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user = obj;
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break;
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}
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obj = httpSession.getAttribute(USER_TEST_ATTRIBUTES[i].toLowerCase(Locale.ENGLISH));
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if (null != obj) {
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user = obj;
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break;
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}
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obj = httpSession.getAttribute(USER_TEST_ATTRIBUTES[i].toUpperCase(Locale.ENGLISH));
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if (null != obj) {
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user = obj;
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break;
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}
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}
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if (null != user) {
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return user;
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}
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// Last guess: iterate over all attributes, to find a java.security.Principal or javax.security.auth.Subject
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// If there is only one, consider it to be /the/ user
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final List<Object> principalArray = new ArrayList<>();
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for (Enumeration<String> enumeration = httpSession.getAttributeNames(); enumeration.hasMoreElements();) {
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String name = enumeration.nextElement();
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Object obj = httpSession.getAttribute(name);
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if (obj instanceof Principal || obj instanceof Subject) {
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principalArray.add(obj);
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}
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}
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if (principalArray.size() == 1) {
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user = principalArray.get(0);
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}
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if (null != user) {
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return user;
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}
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return user;
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} catch (IllegalStateException ise) {
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//ignore: invalidated session
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return null;
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}
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}
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public static long getUsedTimeForSession(Session in_session) {
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try {
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long diffMilliSeconds = in_session.getThisAccessedTime() - in_session.getCreationTime();
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return diffMilliSeconds;
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} catch (IllegalStateException ise) {
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//ignore: invalidated session
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return -1;
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}
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}
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public static long getTTLForSession(Session in_session) {
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try {
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long diffMilliSeconds = (1000*in_session.getMaxInactiveInterval()) - (System.currentTimeMillis() - in_session.getThisAccessedTime());
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return diffMilliSeconds;
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} catch (IllegalStateException ise) {
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//ignore: invalidated session
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return -1;
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}
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}
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public static long getInactiveTimeForSession(Session in_session) {
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try {
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long diffMilliSeconds = System.currentTimeMillis() - in_session.getThisAccessedTime();
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return diffMilliSeconds;
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} catch (IllegalStateException ise) {
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//ignore: invalidated session
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return -1;
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}
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}
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}
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