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/*
* Copyright (c) 2011, 2017, 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
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*/
package com.sun.org.apache.xalan.internal.utils;
import com.sun.org.apache.xalan.internal.XalanConstants;
import jdk.xml.internal.SecuritySupport;
/**
* This is the base class for features and properties
*
*/
public abstract class 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
}
/**
* Values of the properties as defined in enum Properties
*/
String[] values = null;
/**
* States of the settings for each property in Properties above
*/
State[] states = {State.DEFAULT, State.DEFAULT};
/**
* Set the value for a specific property.
*
* @param property the property
* @param state the state of the property
* @param value the value of the property
*/
public void setValue(Enum property, State state, String value) {
//only update if it shall override
if (state.compareTo(states[property.ordinal()]) >= 0) {
values[property.ordinal()] = value;
states[property.ordinal()] = state;
}
}
/**
* Set the value of a property by its index
* @param index the index of the property
* @param state the state of the property
* @param value the value of the property
*/
public void setValue(int index, State state, String value) {
//only update if it shall override
if (state.compareTo(states[index]) >= 0) {
values[index] = value;
states[index] = state;
}
}
/**
* Set value by property name and state
* @param propertyName property name
* @param state the state of the property
* @param value the value of the property
* @return true if the property is managed by the security property manager;
* false if otherwise.
*/
public boolean setValue(String propertyName, State state, Object value) {
int index = getIndex(propertyName);
if (index > -1) {
setValue(index, state, (String)value);
return true;
}
return false;
}
/**
* Set value by property name and state
* @param propertyName property name
* @param state the state of the property
* @param value the value of the property
* @return true if the property is managed by the security property manager;
* false if otherwise.
*/
public boolean setValue(String propertyName, State state, boolean value) {
int index = getIndex(propertyName);
if (index > -1) {
if (value) {
setValue(index, state, XalanConstants.FEATURE_TRUE);
} else {
setValue(index, state, XalanConstants.FEATURE_FALSE);
}
return true;
}
return false;
}
/**
* Return the value of the specified property
*
* @param property the property
* @return the value of the property
*/
public String getValue(Enum property) {
return values[property.ordinal()];
}
/**
* Return the value of the specified property
*
* @param property the property
* @return the value of the property
*/
public String getValue(String property) {
int index = getIndex(property);
if (index > -1) {
return getValueByIndex(index);
}
return null;
}
/**
* Return the value of the specified property.
*
* @param propertyName the property name
* @return the value of the property as a string. If a property is managed
* by this manager, its value shall not be null.
*/
public String getValueAsString(String propertyName) {
int index = getIndex(propertyName);
if (index > -1) {
return getValueByIndex(index);
}
return null;
}
/**
* Return the value of a property by its ordinal
* @param index the index of a property
* @return value of a property
*/
public String getValueByIndex(int index) {
return values[index];
}
/**
* Get the index by property name
* @param propertyName property name
* @return the index of the property if found; return -1 if not
*/
public abstract int getIndex(String propertyName);
public > int getIndex(Class property, String propertyName) {
for (Enum enumItem : property.getEnumConstants()) {
if (enumItem.toString().equals(propertyName)) {
//internally, ordinal is used as index
return enumItem.ordinal();
}
}
return -1;
};
/**
* Read from system properties, or those in jaxp.properties
*
* @param property the property
* @param systemProperty the name of the system property
*/
void getSystemProperty(Enum property, String systemProperty) {
try {
String value = SecuritySupport.getSystemProperty(systemProperty);
if (value != null) {
values[property.ordinal()] = value;
states[property.ordinal()] = State.SYSTEMPROPERTY;
return;
}
value = SecuritySupport.readJAXPProperty(systemProperty);
if (value != null) {
values[property.ordinal()] = value;
states[property.ordinal()] = State.JAXPDOTPROPERTIES;
}
} catch (NumberFormatException e) {
//invalid setting ignored
}
}
}