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/*
* Copyright (c) 2011, 2015, 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;
import com.sun.org.apache.xalan.internal.utils.SecuritySupport;
/**
* Commonly used constants.
*
* @author Huizhe Wang, Oracle
*
* @version $Id: Constants.java,v 1.14 2011-06-07 04:39:40 joehw Exp $
*/
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/"). */
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
*/
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
*/
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
*/
public static final String JDK_MAX_OCCUR_LIMIT =
ORACLE_JAXP_PROPERTY_PREFIX + "maxOccurLimit";
/**
* 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
*/
public static final String JDK_GENERAL_ENTITY_SIZE_LIMIT =
ORACLE_JAXP_PROPERTY_PREFIX + "maxGeneralEntitySizeLimit";
/**
* 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
*/
public static final String JDK_XML_NAME_LIMIT =
ORACLE_JAXP_PROPERTY_PREFIX + "maxXMLNameLimit";
/**
* 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.
*/
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
*/
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
*/
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
*/
public static final String SP_MAX_OCCUR_LIMIT = "jdk.xml.maxOccurLimit";
/**
* JDK total entity size limit
*/
public static final String SP_TOTAL_ENTITY_SIZE_LIMIT = "jdk.xml.totalEntitySizeLimit";
/**
* JDK maximum general entity size limit
*/
public static final String SP_GENERAL_ENTITY_SIZE_LIMIT = "jdk.xml.maxGeneralEntitySizeLimit";
/**
* JDK maximum parameter entity size limit
*/
public static final String SP_PARAMETER_ENTITY_SIZE_LIMIT = "jdk.xml.maxParameterEntitySizeLimit";
/**
* JDK maximum XML name limit
*/
public static final String SP_XML_NAME_LIMIT = "jdk.xml.maxXMLNameLimit";
/**
* 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
*/
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
*/
public static final String JDK_YES = "yes";
// Oracle Feature:
/**
* <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
*/
public static final String EXTERNAL_ACCESS_DEFAULT_FSP = "";
/**
* 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";
/**
* Feature enableExtensionFunctions
*/
public static final String ORACLE_ENABLE_EXTENSION_FUNCTION =
ORACLE_JAXP_PROPERTY_PREFIX + "enableExtensionFunctions";
public static final String SP_ORACLE_ENABLE_EXTENSION_FUNCTION = "javax.xml.enableExtensionFunctions";
/**
* Values for a feature
*/
public static final String FEATURE_TRUE = "true";
public static final String FEATURE_FALSE = "false";
/**
* Check if we're in jdk8 or above
*/
public static final boolean IS_JDK8_OR_ABOVE = isJavaVersionAtLeast(8);
/*
* Check the version of the current JDK against that specified in the
* parameter
*
* There is a proposal to change the java version string to:
* MAJOR.MINOR.FU.CPU.PSU-BUILDNUMBER_BUGIDNUMBER_OPTIONAL
* This method would work with both the current format and that proposed
*
* @param compareTo a JDK version to be compared to
* @return true if the current version is the same or above that represented
* by the parameter
*/
public static boolean isJavaVersionAtLeast(int compareTo) {
String javaVersion = SecuritySupport.getSystemProperty("java.version");
String versions[] = javaVersion.split("\\.", 3);
if (Integer.parseInt(versions[0]) >= compareTo ||
Integer.parseInt(versions[1]) >= compareTo) {
return true;
}
return false;
}
} // class Constants
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