content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE 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 for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * Copyright (c) 2011, 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 jaxp.sun.org.apache.xalan.internal.utils;
  
  
  import jaxp.sun.org.apache.xalan.internal.XalanConstants;
  
  /**
   * This class manages security related properties
   *
   */
  public final class FeatureManager extends FeaturePropertyBase {
  
      /**
       * States of the settings of a property, in the order: default value, value
       * set by FEATURE_SECURE_PROCESSING, jaxp.properties file, jaxp system
       * properties, and jaxp api properties
       */
      public static enum State {
          //this order reflects the overriding order
          DEFAULT, FSP, JAXPDOTPROPERTIES, SYSTEMPROPERTY, APIPROPERTY
      }
  
      /**
       * Xalan Features
       */
      public static enum Feature {
          ORACLE_ENABLE_EXTENSION_FUNCTION(XalanConstants.ORACLE_ENABLE_EXTENSION_FUNCTION,
                  "true");
  
          final String name;
          final String defaultValue;
  
          Feature(String name, String value) {
              this.name = name;
              this.defaultValue = value;
          }
  
          public boolean equalsName(String propertyName) {
              return (propertyName == null) ? false : name.equals(propertyName);
          }
  
          String defaultValue() {
              return defaultValue;
          }
      }
  
      /**
       * Default constructor. Establishes default values
       */
      public FeatureManager() {
          values = new String[Feature.values().length];
          for (Feature feature : Feature.values()) {
              values[feature.ordinal()] = feature.defaultValue();
          }
          //read system properties or jaxp.properties
          readSystemProperties();
      }
  
  
      /**
       * Check if the feature is enabled
       * @param feature name of the feature
       * @return true if enabled, false otherwise
       */
      public boolean isFeatureEnabled(Feature feature) {
          return Boolean.parseBoolean(values[feature.ordinal()]);
      }
  
      /**
       * Check if the feature is enabled
       * @param propertyName name of the feature
       * @return true if enabled, false otherwise
       */
      public boolean isFeatureEnabled(String propertyName) {
          return Boolean.parseBoolean(values[getIndex(propertyName)]);
      }
  
      /**
       * Get the index by property name
       * @param propertyName property name
       * @return the index of the property if found; return -1 if not
       */
      public int getIndex(String propertyName){
          for (Feature feature : Feature.values()) {
              if (feature.equalsName(propertyName)) {
                  return feature.ordinal();
              }
          }
          return -1;
      }
  
      /**
       * Read from system properties, or those in jaxp.properties
       */
      private void readSystemProperties() {
          getSystemProperty(Feature.ORACLE_ENABLE_EXTENSION_FUNCTION,
                  XalanConstants.SP_ORACLE_ENABLE_EXTENSION_FUNCTION);
      }
  
  }
  