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 * @LastModified: Sep 2017
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * 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
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 * accompanied this code).
 *
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package com.sun.org.apache.xalan.internal;

import jdk.xml.internal.SecuritySupport;

Commonly used constants.
Author:
Huizhe Wang, Oracle/**
 * Commonly used constants.
 *
 * @author Huizhe Wang, Oracle
 *
 */
public final class XalanConstants {

    //
    // Constants
    //
    //Xerces security manager
    public static final String SECURITY_MANAGER =
            "http://apache.org/xml/properties/security-manager";

    //
    // Implementation limits: API properties
    //
    
Oracle JAXP property prefix ("http://www.oracle.com/xml/jaxp/properties/"). /** Oracle JAXP property prefix ("http://www.oracle.com/xml/jaxp/properties/"). */
    public static final String ORACLE_JAXP_PROPERTY_PREFIX =
        "http://www.oracle.com/xml/jaxp/properties/";
    
JDK entity expansion limit; Note that the existing system property
"entityExpansionLimit" with no prefix is still observed
/**
     * JDK entity expansion limit; Note that the existing system property
     * "entityExpansionLimit" with no prefix is still observed
     */
    public static final String JDK_ENTITY_EXPANSION_LIMIT =
            ORACLE_JAXP_PROPERTY_PREFIX + "entityExpansionLimit";

    
JDK element attribute limit; Note that the existing system property
"elementAttributeLimit" with no prefix is still observed
/**
     * JDK element attribute limit; Note that the existing system property
     * "elementAttributeLimit" with no prefix is still observed
     */
    public static final String JDK_ELEMENT_ATTRIBUTE_LIMIT =
            ORACLE_JAXP_PROPERTY_PREFIX + "elementAttributeLimit";

    
JDK maxOccur limit; Note that the existing system property
"maxOccurLimit" with no prefix is still observed
/**
     * JDK maxOccur limit; Note that the existing system property
     * "maxOccurLimit" with no prefix is still observed
     */
    public static final String JDK_MAX_OCCUR_LIMIT =
            ORACLE_JAXP_PROPERTY_PREFIX + "maxOccurLimit";

    
JDK total entity size limit
/**
     * JDK total entity size limit
     */
    public static final String JDK_TOTAL_ENTITY_SIZE_LIMIT =
            ORACLE_JAXP_PROPERTY_PREFIX + "totalEntitySizeLimit";

    
JDK maximum general entity size limit
/**
     * JDK maximum general entity size limit
     */
    public static final String JDK_GENERAL_ENTITY_SIZE_LIMIT =
            ORACLE_JAXP_PROPERTY_PREFIX + "maxGeneralEntitySizeLimit";

    
JDK node count limit in entities that limits the total number of nodes
in all of entity references.
/**
     * JDK node count limit in entities that limits the total number of nodes
     * in all of entity references.
     */
    public static final String JDK_ENTITY_REPLACEMENT_LIMIT =
            ORACLE_JAXP_PROPERTY_PREFIX + "entityReplacementLimit";

    
JDK maximum parameter entity size limit
/**
     * JDK maximum parameter entity size limit
     */
    public static final String JDK_PARAMETER_ENTITY_SIZE_LIMIT =
            ORACLE_JAXP_PROPERTY_PREFIX + "maxParameterEntitySizeLimit";
    
JDK maximum XML name limit
/**
     * JDK maximum XML name limit
     */
    public static final String JDK_XML_NAME_LIMIT =
            ORACLE_JAXP_PROPERTY_PREFIX + "maxXMLNameLimit";

    
JDK maxElementDepth limit
/**
     * JDK maxElementDepth limit
     */
    public static final String JDK_MAX_ELEMENT_DEPTH =
            ORACLE_JAXP_PROPERTY_PREFIX + "maxElementDepth";

    
JDK property indicating whether the parser shall print out entity
count information
Value: a string "yes" means print, "no" or any other string means not.
/**
     * JDK property indicating whether the parser shall print out entity
     * count information
     * Value: a string "yes" means print, "no" or any other string means not.
     */
    public static final String JDK_ENTITY_COUNT_INFO =
            ORACLE_JAXP_PROPERTY_PREFIX + "getEntityCountInfo";

    //
    // Implementation limits: corresponding System Properties of the above
    // API properties
    //
    
JDK entity expansion limit; Note that the existing system property
"entityExpansionLimit" with no prefix is still observed
/**
     * JDK entity expansion limit; Note that the existing system property
     * "entityExpansionLimit" with no prefix is still observed
     */
    public static final String SP_ENTITY_EXPANSION_LIMIT = "jdk.xml.entityExpansionLimit";

    
JDK element attribute limit; Note that the existing system property
"elementAttributeLimit" with no prefix is still observed
/**
     * JDK element attribute limit; Note that the existing system property
     * "elementAttributeLimit" with no prefix is still observed
     */
    public static final String SP_ELEMENT_ATTRIBUTE_LIMIT =  "jdk.xml.elementAttributeLimit";

    
JDK maxOccur limit; Note that the existing system property
"maxOccurLimit" with no prefix is still observed
/**
     * JDK maxOccur limit; Note that the existing system property
     * "maxOccurLimit" with no prefix is still observed
     */
    public static final String SP_MAX_OCCUR_LIMIT = "jdk.xml.maxOccurLimit";

    
JDK total entity size limit
/**
     * JDK total entity size limit
     */
    public static final String SP_TOTAL_ENTITY_SIZE_LIMIT = "jdk.xml.totalEntitySizeLimit";

    
JDK maximum general entity size limit
/**
     * JDK maximum general entity size limit
     */
    public static final String SP_GENERAL_ENTITY_SIZE_LIMIT = "jdk.xml.maxGeneralEntitySizeLimit";

    
JDK node count limit in entities that limits the total number of nodes
in all of entity references.
/**
     * JDK node count limit in entities that limits the total number of nodes
     * in all of entity references.
     */
    public static final String SP_ENTITY_REPLACEMENT_LIMIT = "jdk.xml.entityReplacementLimit";

    
JDK maximum parameter entity size limit
/**
     * JDK maximum parameter entity size limit
     */
    public static final String SP_PARAMETER_ENTITY_SIZE_LIMIT = "jdk.xml.maxParameterEntitySizeLimit";
    
JDK maximum XML name limit
/**
     * JDK maximum XML name limit
     */
    public static final String SP_XML_NAME_LIMIT = "jdk.xml.maxXMLNameLimit";

    
JDK maxElementDepth limit
/**
     * JDK maxElementDepth limit
     */
    public static final String SP_MAX_ELEMENT_DEPTH = "jdk.xml.maxElementDepth";

    
JDK TransformerFactory and Transformer attribute that specifies a class
loader that will be used for extension functions class loading
Value: a "null", the default value, means that the default EF class loading
path will be used.
Instance of ClassLoader: the specified instance of ClassLoader will be used
for extension functions loading during translation process
/**
     * JDK TransformerFactory and Transformer attribute that specifies a class
     * loader that will be used for extension functions class loading
     * Value: a "null", the default value, means that the default EF class loading
     * path will be used.
     * Instance of ClassLoader: the specified instance of ClassLoader will be used
     * for extension functions loading during translation process
     */
    public static final String JDK_EXTENSION_CLASSLOADER = "jdk.xml.transform.extensionClassLoader";

    //legacy System Properties
    public final static String ENTITY_EXPANSION_LIMIT = "entityExpansionLimit";
    public static final String ELEMENT_ATTRIBUTE_LIMIT = "elementAttributeLimit" ;
    public final static String MAX_OCCUR_LIMIT = "maxOccurLimit";

    
A string "yes" that can be used for properties such as getEntityCountInfo
/**
     * A string "yes" that can be used for properties such as getEntityCountInfo
     */
    public static final String JDK_YES = "yes";

    // Oracle Feature:
    
Use Service Mechanism

  
 true instruct an object to use service mechanism to find a service implementation. This is the default behavior. 
  
 false instruct an object to skip service mechanism and use the default implementation for that service. 

/**
     * <p>Use Service Mechanism</p>
     *
     * <ul>
     *   <li>
         * {@code true} instruct an object to use service mechanism to
         * find a service implementation. This is the default behavior.
         *   </li>
         *   <li>
         * {@code false} instruct an object to skip service mechanism and
         * use the default implementation for that service.
         *   </li>
         * </ul>
         */
    public static final String ORACLE_FEATURE_SERVICE_MECHANISM = "http://www.oracle.com/feature/use-service-mechanism";


    //System Properties corresponding to ACCESS_EXTERNAL_* properties
    public static final String SP_ACCESS_EXTERNAL_STYLESHEET = "javax.xml.accessExternalStylesheet";
    public static final String SP_ACCESS_EXTERNAL_DTD = "javax.xml.accessExternalDTD";

    //all access keyword
    public static final String ACCESS_EXTERNAL_ALL = "all";

    
Default value when FEATURE_SECURE_PROCESSING (FSP) is set to true
/**
     * Default value when FEATURE_SECURE_PROCESSING (FSP) is set to true
     */
    public static final String EXTERNAL_ACCESS_DEFAULT_FSP = "";

    
FEATURE_SECURE_PROCESSING (FSP) is false by default
/**
     * FEATURE_SECURE_PROCESSING (FSP) is false by default
     */
    public static final String EXTERNAL_ACCESS_DEFAULT = ACCESS_EXTERNAL_ALL;

    public static final String XML_SECURITY_PROPERTY_MANAGER =
            ORACLE_JAXP_PROPERTY_PREFIX + "xmlSecurityPropertyManager";


    
Values for a feature
/**
     * Values for a feature
     */
    public static final String FEATURE_TRUE = "true";
    public static final String FEATURE_FALSE = "false";

} // class Constants