| /* |
| * Copyright (c) 2011, 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_GENEAL_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 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_GENEAL_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"; |
| |
| //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"; |
| |
| /** |
| * 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 |
