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/*
* 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 com.sun.org.apache.xalan.internal.utils;
import com.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);
}
}
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