author | joehw |
Thu, 01 Sep 2016 17:03:41 -0700 | |
changeset 40755 | 26f6264ee481 |
parent 39907 | db51759e3695 |
child 44802 | 89a545213cad |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package jdk.xml.internal; |
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import javax.xml.XMLConstants; |
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import static jdk.xml.internal.JdkXmlUtils.SP_USE_CATALOG; |
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/** |
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* This class manages JDK's XML Features. Previously added features and properties |
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* may be gradually moved to this class. |
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*/ |
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public class JdkXmlFeatures { |
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public static final String ORACLE_JAXP_PROPERTY_PREFIX = |
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"http://www.oracle.com/xml/jaxp/properties/"; |
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/** |
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* Feature enableExtensionFunctions |
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*/ |
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public static final String ORACLE_ENABLE_EXTENSION_FUNCTION = |
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ORACLE_JAXP_PROPERTY_PREFIX + "enableExtensionFunctions"; |
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public static final String SP_ENABLE_EXTENSION_FUNCTION = |
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"javax.xml.enableExtensionFunctions"; |
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// This is the correct name by the spec |
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public static final String SP_ENABLE_EXTENSION_FUNCTION_SPEC = |
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"jdk.xml.enableExtensionFunctions"; |
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public static final String CATALOG_FEATURES = "javax.xml.catalog.catalogFeatures"; |
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public final static String PROPERTY_USE_CATALOG = XMLConstants.USE_CATALOG; |
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public static enum XmlFeature { |
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/** |
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* Feature enableExtensionFunctions |
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* FSP: extension function is enforced by FSP. When FSP is on, extension |
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* function is disabled. |
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*/ |
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ENABLE_EXTENSION_FUNCTION(ORACLE_ENABLE_EXTENSION_FUNCTION, |
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SP_ENABLE_EXTENSION_FUNCTION_SPEC, true, false, true, true), |
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/** |
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* The {@link javax.xml.XMLConstants.USE_CATALOG} feature. |
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* FSP: USE_CATALOG is not enforced by FSP. |
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*/ |
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USE_CATALOG(PROPERTY_USE_CATALOG, SP_USE_CATALOG, true, false, true, false); |
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private final String name; |
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private final String nameSP; |
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private final boolean valueDefault; |
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private final boolean valueEnforced; |
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private final boolean hasSystem; |
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private final boolean enforced; |
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/** |
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* Constructs an XmlFeature instance. |
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* @param name the name of the feature |
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* @param nameSP the name of the System Property |
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* @param value the value of the feature |
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* @param hasSystem a flag to indicate whether the feature is supported |
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* @param enforced a flag indicating whether the feature is |
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* FSP (Feature_Secure_Processing) enforced |
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* with a System property |
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*/ |
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XmlFeature(String name, String nameSP, boolean value, boolean valueEnforced, boolean hasSystem, boolean enforced) { |
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this.name = name; |
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this.nameSP = nameSP; |
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this.valueDefault = value; |
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this.valueEnforced = valueEnforced; |
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this.hasSystem = hasSystem; |
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this.enforced = enforced; |
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} |
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/** |
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* Checks whether the specified property is equal to the current property. |
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* @param propertyName the name of a property |
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* @return true if the specified property is the current property, false |
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* otherwise |
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*/ |
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boolean equalsPropertyName(String propertyName) { |
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return name.equals(propertyName); |
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} |
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/** |
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* Returns the name of the property. |
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* |
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* @return the name of the property |
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*/ |
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public String apiProperty() { |
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return name; |
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} |
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/** |
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* Returns the name of the corresponding System Property. |
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* |
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* @return the name of the System Property |
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*/ |
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String systemProperty() { |
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return nameSP; |
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} |
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/** |
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* Returns the default value of the property. |
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* @return the default value of the property |
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*/ |
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public boolean defaultValue() { |
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return valueDefault; |
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} |
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/** |
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* Returns the FSP-enforced value. |
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* @return the FSP-enforced value |
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*/ |
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public boolean enforcedValue() { |
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return valueEnforced; |
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} |
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/** |
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* Checks whether System property is supported for the feature. |
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* @return true it is supported, false otherwise |
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*/ |
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boolean hasSystemProperty() { |
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return hasSystem; |
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} |
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/** |
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* Checks whether the property is enforced by FSP |
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* @return true it is, false otherwise |
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*/ |
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boolean enforced() { |
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return enforced; |
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} |
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} |
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/** |
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* Maps old property names with the new ones. This map is used to keep track of |
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* name changes so that old or incorrect names continue to be supported for compatibility. |
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*/ |
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public static enum NameMap { |
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ENABLE_EXTENSION_FUNCTION(SP_ENABLE_EXTENSION_FUNCTION_SPEC, SP_ENABLE_EXTENSION_FUNCTION); |
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final String newName; |
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final String oldName; |
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NameMap(String newName, String oldName) { |
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this.newName = newName; |
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this.oldName = oldName; |
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} |
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String getOldName(String newName) { |
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if (newName.equals(this.newName)) { |
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return oldName; |
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} |
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return null; |
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} |
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} |
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/** |
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* States of the settings of a property, in the order: default value, value |
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* set by FEATURE_SECURE_PROCESSING, jaxp.properties file, jaxp system |
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* properties, and jaxp api properties |
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*/ |
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public static enum State { |
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//this order reflects the overriding order |
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DEFAULT("default"), FSP("FEATURE_SECURE_PROCESSING"), |
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JAXPDOTPROPERTIES("jaxp.properties"), SYSTEMPROPERTY("system property"), |
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APIPROPERTY("property"); |
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final String literal; |
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State(String literal) { |
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this.literal = literal; |
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} |
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String literal() { |
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return literal; |
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} |
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} |
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/** |
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* Values of the features |
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*/ |
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private boolean[] featureValues; |
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/** |
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* States of the settings for each property |
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*/ |
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private State[] states; |
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/** |
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* Flag indicating if secure processing is set |
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*/ |
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boolean secureProcessing; |
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/** |
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* Instantiate JdkXmlFeatures and initialize the fields |
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* @param secureProcessing |
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*/ |
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public JdkXmlFeatures(boolean secureProcessing) { |
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featureValues = new boolean[XmlFeature.values().length]; |
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states = new State[XmlFeature.values().length]; |
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this.secureProcessing = secureProcessing; |
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for (XmlFeature f : XmlFeature.values()) { |
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if (secureProcessing && f.enforced()) { |
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featureValues[f.ordinal()] = f.enforcedValue(); |
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states[f.ordinal()] = State.FSP; |
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} else { |
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featureValues[f.ordinal()] = f.defaultValue(); |
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states[f.ordinal()] = State.DEFAULT; |
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} |
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} |
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//read system properties or jaxp.properties |
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readSystemProperties(); |
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} |
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/** |
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* Updates the JdkXmlFeatures instance by reading the system properties again. |
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* This will become necessary in case the system properties are set after |
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* the instance has been created. |
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240 |
*/ |
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public void update() { |
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readSystemProperties(); |
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} |
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244 |
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/** |
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246 |
* Set feature by property name and state |
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* @param propertyName property name |
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* @param state the state of the property |
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* @param value the value of the property |
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* @return true if the property is managed by the JdkXmlFeatures instance; |
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* false otherwise. |
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*/ |
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public boolean setFeature(String propertyName, State state, Object value) { |
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254 |
int index = getIndex(propertyName); |
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255 |
if (index > -1) { |
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256 |
setFeature(index, state, value); |
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return true; |
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} |
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259 |
return false; |
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260 |
} |
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261 |
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262 |
/** |
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263 |
* Set the value for a specific feature. |
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264 |
* |
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265 |
* @param feature the feature |
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266 |
* @param state the state of the property |
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267 |
* @param value the value of the property |
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*/ |
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269 |
public void setFeature(XmlFeature feature, State state, boolean value) { |
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270 |
setFeature(feature.ordinal(), state, value); |
|
271 |
} |
|
272 |
||
273 |
/** |
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274 |
* Return the value of the specified property |
|
275 |
* |
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276 |
* @param feature the property |
|
277 |
* @return the value of the property |
|
278 |
*/ |
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279 |
public boolean getFeature(XmlFeature feature) { |
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280 |
return featureValues[feature.ordinal()]; |
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281 |
} |
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282 |
||
283 |
/** |
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284 |
* Return the value of a feature by its index (the Feature's ordinal) |
|
285 |
* @param index the index of a feature |
|
286 |
* @return value of a feature |
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287 |
*/ |
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288 |
public boolean getFeature(int index) { |
|
289 |
return featureValues[index]; |
|
290 |
} |
|
291 |
||
292 |
/** |
|
293 |
* Set the value of a property by its index |
|
294 |
* |
|
295 |
* @param index the index of the property |
|
296 |
* @param state the state of the property |
|
297 |
* @param value the value of the property |
|
298 |
*/ |
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299 |
public void setFeature(int index, State state, Object value) { |
|
300 |
boolean temp; |
|
301 |
if (Boolean.class.isAssignableFrom(value.getClass())) { |
|
302 |
temp = (Boolean)value; |
|
303 |
} else { |
|
304 |
temp = Boolean.parseBoolean((String) value); |
|
305 |
} |
|
306 |
setFeature(index, state, temp); |
|
307 |
} |
|
308 |
||
309 |
/** |
|
310 |
* Set the value of a property by its index |
|
311 |
* |
|
312 |
* @param index the index of the property |
|
313 |
* @param state the state of the property |
|
314 |
* @param value the value of the property |
|
315 |
*/ |
|
316 |
public void setFeature(int index, State state, boolean value) { |
|
317 |
//only update if it shall override |
|
318 |
if (state.compareTo(states[index]) >= 0) { |
|
319 |
featureValues[index] = value; |
|
320 |
states[index] = state; |
|
321 |
} |
|
322 |
} |
|
323 |
||
324 |
/** |
|
325 |
* Get the index by property name |
|
326 |
* |
|
327 |
* @param propertyName property name |
|
328 |
* @return the index of the property if found; return -1 if not |
|
329 |
*/ |
|
330 |
public int getIndex(String propertyName) { |
|
331 |
for (XmlFeature feature : XmlFeature.values()) { |
|
332 |
if (feature.equalsPropertyName(propertyName)) { |
|
333 |
//internally, ordinal is used as index |
|
334 |
return feature.ordinal(); |
|
335 |
} |
|
336 |
} |
|
337 |
return -1; |
|
338 |
} |
|
339 |
||
340 |
/** |
|
341 |
* Read from system properties, or those in jaxp.properties |
|
342 |
*/ |
|
343 |
private void readSystemProperties() { |
|
344 |
for (XmlFeature feature : XmlFeature.values()) { |
|
345 |
getSystemProperty(feature, feature.systemProperty()); |
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if (!getSystemProperty(feature, feature.systemProperty())) { |
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//if system property is not found, try the older form if any |
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for (NameMap nameMap : NameMap.values()) { |
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String oldName = nameMap.getOldName(feature.systemProperty()); |
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350 |
if (oldName != null) { |
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getSystemProperty(feature, oldName); |
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} |
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} |
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354 |
} |
39907 | 355 |
} |
356 |
} |
|
357 |
||
358 |
/** |
|
359 |
* Read from system properties, or those in jaxp.properties |
|
360 |
* |
|
361 |
* @param property the type of the property |
|
362 |
* @param sysPropertyName the name of system property |
|
363 |
*/ |
|
364 |
private boolean getSystemProperty(XmlFeature feature, String sysPropertyName) { |
|
365 |
try { |
|
366 |
String value = SecuritySupport.getSystemProperty(sysPropertyName); |
|
367 |
if (value != null && !value.equals("")) { |
|
368 |
setFeature(feature, State.SYSTEMPROPERTY, Boolean.parseBoolean(value)); |
|
369 |
return true; |
|
370 |
} |
|
371 |
||
372 |
value = SecuritySupport.readJAXPProperty(sysPropertyName); |
|
373 |
if (value != null && !value.equals("")) { |
|
374 |
setFeature(feature, State.JAXPDOTPROPERTIES, Boolean.parseBoolean(value)); |
|
375 |
return true; |
|
376 |
} |
|
377 |
} catch (NumberFormatException e) { |
|
378 |
//invalid setting |
|
379 |
throw new NumberFormatException("Invalid setting for system property: " + feature.systemProperty()); |
|
380 |
} |
|
381 |
return false; |
|
382 |
} |
|
383 |
||
384 |
} |