/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 2000-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Xerces" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 1999, International
* Business Machines, Inc., http://www.apache.org. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package com.sun.org.apache.xerces.internal.impl;
import java.util.Enumeration;
import java.util.NoSuchElementException;
/**
* Commonly used constants.
*
* @author Andy Clark, IBM
*
* @version $Id: Constants.java,v 1.42 2004/04/25 02:08:53 mrglavas Exp $
*/
public final class Constants {
//
// Constants
//
// Schema Types:
public static final String NS_XMLSCHEMA = "http://www.w3.org/2001/XMLSchema".intern();
public static final String NS_DTD = "http://www.w3.org/TR/REC-xml".intern();
// sax features
/** SAX feature prefix ("http://xml.org/sax/features/"). */
public static final String SAX_FEATURE_PREFIX = "http://xml.org/sax/features/";
/** Namespaces feature ("namespaces"). */
public static final String NAMESPACES_FEATURE = "namespaces";
/** Namespace prefixes feature ("namespace-prefixes"). */
public static final String NAMESPACE_PREFIXES_FEATURE = "namespace-prefixes";
/** String interning feature ("string-interning"). */
public static final String STRING_INTERNING_FEATURE = "string-interning";
/** Validation feature ("validation"). */
public static final String VALIDATION_FEATURE = "validation";
/** External general entities feature ("external-general-entities "). */
public static final String EXTERNAL_GENERAL_ENTITIES_FEATURE = "external-general-entities";
/** External parameter entities feature ("external-parameter-entities "). */
public static final String EXTERNAL_PARAMETER_ENTITIES_FEATURE = "external-parameter-entities";
/** Lexical handler parameter entities feature ("lexical-handler/parameter-entities"). */
public static final String LEXICAL_HANDLER_PARAMETER_ENTITIES_FEATURE = "lexical-handler/parameter-entities";
/** Is standalone feature ("is-standalone"). */
public static final String IS_STANDALONE_FEATURE = "is-standalone";
/** Resolve DTD URIs feature ("resolve-dtd-uris"). */
public static final String RESOLVE_DTD_URIS_FEATURE = "resolve-dtd-uris";
/** Use Attributes2 feature ("use-attributes2"). */
public static final String USE_ATTRIBUTES2_FEATURE = "use-attributes2";
/** Use Locator2 feature ("use-locator2"). */
public static final String USE_LOCATOR2_FEATURE = "use-locator2";
/** Use EntityResolver2 feature ("use-entity-resolver2"). */
public static final String USE_ENTITY_RESOLVER2_FEATURE = "use-entity-resolver2";
/** Unicode normalization checking feature ("unicode-normalization-checking"). */
public static final String UNICODE_NORMALIZATION_CHECKING_FEATURE = "unicode-normalization-checking";
/** xmlns URIs feature ("xmlns-uris"). */
public static final String XMLNS_URIS_FEATURE = "xmlns-uris";
/** XML 1.1 feature ("xml-1.1"). */
public static final String XML_11_FEATURE = "xml-1.1";
/** Allow unparsed entity and notation declaration events to be sent after the end DTD event ("allow-dtd-events-after-endDTD") */
public static final String ALLOW_DTD_EVENTS_AFTER_ENDDTD_FEATURE = "allow-dtd-events-after-endDTD";
// sax properties
/** SAX property prefix ("http://xml.org/sax/properties/"). */
public static final String SAX_PROPERTY_PREFIX = "http://xml.org/sax/properties/";
/** Declaration handler property ("declaration-handler"). */
public static final String DECLARATION_HANDLER_PROPERTY = "declaration-handler";
/** Lexical handler property ("lexical-handler"). */
public static final String LEXICAL_HANDLER_PROPERTY = "lexical-handler";
/** DOM node property ("dom-node"). */
public static final String DOM_NODE_PROPERTY = "dom-node";
/** XML string property ("xml-string"). */
public static final String XML_STRING_PROPERTY = "xml-string";
public static final String FEATURE_SECURE_PROCESSING = "http://javax.xml.XMLConstants/feature/secure-processing";
/** Document XML version property ("document-xml-version"). */
public static final String DOCUMENT_XML_VERSION_PROPERTY = "document-xml-version";
//
// JAXP properties
//
/** JAXP property prefix ("http://java.sun.com/xml/jaxp/properties/"). */
public static final String JAXP_PROPERTY_PREFIX =
"http://java.sun.com/xml/jaxp/properties/";
/** JAXP schemaSource property: when used internally may include DTD sources (DOM) */
public static final String SCHEMA_SOURCE = "schemaSource";
/** JAXP schemaSource language: when used internally may include DTD namespace (DOM) */
public static final String SCHEMA_LANGUAGE = "schemaLanguage";
public static final String SYSTEM_PROPERTY_ELEMENT_ATTRIBUTE_LIMIT = "elementAttributeLimit" ;
//
// DOM features
//
/** Comments feature ("include-comments"). */
public static final String INCLUDE_COMMENTS_FEATURE = "include-comments";
/** Create cdata nodes feature ("create-cdata-nodes"). */
public static final String CREATE_CDATA_NODES_FEATURE = "create-cdata-nodes";
/** Feature id: load as infoset. */
public static final String LOAD_AS_INFOSET = "load-as-infoset";
//
// Constants: DOM Level 3 feature ids
//
public static final String DOM_CANONICAL_FORM = "canonical-form";
public static final String DOM_CDATA_SECTIONS ="cdata-sections";
public static final String DOM_COMMENTS = "comments";
// REVISIT: this feature seems to have no effect for Xerces
public static final String DOM_CHARSET_OVERRIDES_XML_ENCODING =
"charset-overrides-xml-encoding";
public static final String DOM_DATATYPE_NORMALIZATION = "datatype-normalization";
public static final String DOM_ENTITIES = "entities";
public static final String DOM_INFOSET = "infoset";
public static final String DOM_NAMESPACES = "namespaces";
public static final String DOM_NAMESPACE_DECLARATIONS = "namespace-declarations";
public static final String DOM_SUPPORTED_MEDIATYPES_ONLY =
"supported-media-types-only";
public static final String DOM_VALIDATE_IF_SCHEMA = "validate-if-schema";
public static final String DOM_VALIDATE = "validate";
public static final String DOM_ELEMENT_CONTENT_WHITESPACE =
"element-content-whitespace";
// DOM Level 3 features defined in Core:
public static final String DOM_DISCARD_DEFAULT_CONTENT = "discard-default-content";
public static final String DOM_NORMALIZE_CHARACTERS = "normalize-characters";
public static final String DOM_CHECK_CHAR_NORMALIZATION = "check-character-normalization";
public static final String DOM_WELLFORMED = "well-formed";
public static final String DOM_SPLIT_CDATA = "split-cdata-sections";
// Load and Save
public static final String DOM_FORMAT_PRETTY_PRINT = "format-pretty-print";
public static final String DOM_XMLDECL = "xml-declaration";
public static final String DOM_UNKNOWNCHARS = "unknown-characters";
public static final String DOM_CERTIFIED = "certified";
public static final String DOM_DISALLOW_DOCTYPE = "disallow-doctype";
public static final String DOM_IGNORE_UNKNOWN_CHARACTER_DENORMALIZATIONS = "ignore-unknown-character-denormalizations";
// DOM Properties
public static final String DOM_RESOURCE_RESOLVER = "resource-resolver";
public static final String DOM_ERROR_HANDLER = "error-handler";
public static final String DOM_SCHEMA_TYPE = "schema-type";
public static final String DOM_SCHEMA_LOCATION = "schema-location";
// XSModel
public static final String DOM_PSVI = "psvi";
// xerces features
/** Xerces features prefix ("http://apache.org/xml/features/"). */
public static final String XERCES_FEATURE_PREFIX = "http://apache.org/xml/features/";
/** Schema validation feature ("validation/schema"). */
public static final String SCHEMA_VALIDATION_FEATURE = "validation/schema";
/** Expose schema normalized values */
public static final String SCHEMA_NORMALIZED_VALUE = "validation/schema/normalized-value";
/** Send schema default value via characters() */
public static final String SCHEMA_ELEMENT_DEFAULT = "validation/schema/element-default";
/** Schema full constraint checking ("validation/schema-full-checking"). */
public static final String SCHEMA_FULL_CHECKING = "validation/schema-full-checking";
/** Augment Post-Schema-Validation-Infoset */
public static final String SCHEMA_AUGMENT_PSVI = "validation/schema/augment-psvi";
/** Dynamic validation feature ("validation/dynamic"). */
public static final String DYNAMIC_VALIDATION_FEATURE = "validation/dynamic";
/** Warn on duplicate attribute declaration feature ("validation/warn-on-duplicate-attdef"). */
public static final String WARN_ON_DUPLICATE_ATTDEF_FEATURE = "validation/warn-on-duplicate-attdef";
/** Warn on undeclared element feature ("validation/warn-on-undeclared-elemdef"). */
public static final String WARN_ON_UNDECLARED_ELEMDEF_FEATURE = "validation/warn-on-undeclared-elemdef";
/** Warn on duplicate entity declaration feature ("warn-on-duplicate-entitydef"). */
public static final String WARN_ON_DUPLICATE_ENTITYDEF_FEATURE = "warn-on-duplicate-entitydef";
/** Allow Java encoding names feature ("allow-java-encodings"). */
public static final String ALLOW_JAVA_ENCODINGS_FEATURE = "allow-java-encodings";
/** Disallow DOCTYPE declaration feature ("disallow-doctype-decl"). */
public static final String DISALLOW_DOCTYPE_DECL_FEATURE = "disallow-doctype-decl";
/** Continue after fatal error feature ("continue-after-fatal-error"). */
public static final String CONTINUE_AFTER_FATAL_ERROR_FEATURE = "continue-after-fatal-error";
/** Load dtd grammar when nonvalidating feature ("nonvalidating/load-dtd-grammar"). */
public static final String LOAD_DTD_GRAMMAR_FEATURE = "nonvalidating/load-dtd-grammar";
/** Load external dtd when nonvalidating feature ("nonvalidating/load-external-dtd"). */
public static final String LOAD_EXTERNAL_DTD_FEATURE = "nonvalidating/load-external-dtd";
/** Defer node expansion feature ("dom/defer-node-expansion"). */
public static final String DEFER_NODE_EXPANSION_FEATURE = "dom/defer-node-expansion";
/** Create entity reference nodes feature ("dom/create-entity-ref-nodes"). */
public static final String CREATE_ENTITY_REF_NODES_FEATURE = "dom/create-entity-ref-nodes";
/** Include ignorable whitespace feature ("dom/include-ignorable-whitespace"). */
public static final String INCLUDE_IGNORABLE_WHITESPACE = "dom/include-ignorable-whitespace";
/** Default attribute values feature ("validation/default-attribute-values"). */
public static final String DEFAULT_ATTRIBUTE_VALUES_FEATURE = "validation/default-attribute-values";
/** Validate content models feature ("validation/validate-content-models"). */
public static final String VALIDATE_CONTENT_MODELS_FEATURE = "validation/validate-content-models";
/** Validate datatypes feature ("validation/validate-datatypes"). */
public static final String VALIDATE_DATATYPES_FEATURE = "validation/validate-datatypes";
/** Notify character references feature (scanner/notify-char-refs"). */
public static final String NOTIFY_CHAR_REFS_FEATURE = "scanner/notify-char-refs";
/** Notify built-in (&, etc.) references feature (scanner/notify-builtin-refs"). */
public static final String NOTIFY_BUILTIN_REFS_FEATURE = "scanner/notify-builtin-refs";
/** Standard URI conformant feature ("standard-uri-conformant"). */
public static final String STANDARD_URI_CONFORMANT_FEATURE = "standard-uri-conformant";
/** Internal performance related feature:
* false - the parser settings (features/properties) have not changed between 2 parses
* true - the parser settings have changed between 2 parses
* NOTE: this feature should only be set by the parser configuration.
*/
public static final String PARSER_SETTINGS = "internal/parser-settings";
/** Feature to make XML Processor XInclude Aware */
public static final String XINCLUDE_AWARE = "xinclude-aware";
/** Ignore xsi:schemaLocation and xsi:noNamespaceSchemaLocation. */
public static final String IGNORE_SCHEMA_LOCATION_HINTS = "validation/schema/ignore-schema-location-hints";
/**
* When true, the schema processor will change characters events
* to ignorableWhitespaces events, when characters are expected to
* only contain ignorable whitespaces.
*/
public static final String CHANGE_IGNORABLE_CHARACTERS_INTO_IGNORABLE_WHITESPACES =
"validation/change-ignorable-characters-into-ignorable-whitespaces";
// xerces properties
/** Xerces properties prefix ("http://apache.org/xml/properties/"). */
public static final String XERCES_PROPERTY_PREFIX = "http://apache.org/xml/properties/";
/** Current element node property ("dom/current-element-node"). */
public static final String CURRENT_ELEMENT_NODE_PROPERTY = "dom/current-element-node";
/** Document class name property ("dom/document-class-name"). */
public static final String DOCUMENT_CLASS_NAME_PROPERTY = "dom/document-class-name";
/** Symbol table property ("internal/symbol-table"). */
public static final String SYMBOL_TABLE_PROPERTY = "internal/symbol-table";
/** Error reporter property ("internal/error-reporter"). */
public static final String ERROR_REPORTER_PROPERTY = "internal/error-reporter";
/** Error handler property ("internal/error-handler"). */
public static final String ERROR_HANDLER_PROPERTY = "internal/error-handler";
/** XInclude handler property ("internal/xinclude-handler"). */
public static final String XINCLUDE_HANDLER_PROPERTY = "internal/xinclude-handler";
/** Entity manager property ("internal/entity-manager"). */
public static final String ENTITY_MANAGER_PROPERTY = "internal/entity-manager";
/** Input buffer size property ("input-buffer-size"). */
public static final String BUFFER_SIZE_PROPERTY = "input-buffer-size";
/** Security manager property ("security-manager"). */
public static final String SECURITY_MANAGER_PROPERTY = "security-manager";
/** property identifier: security manager. */
protected static final String SECURITY_MANAGER =
Constants.XERCES_PROPERTY_PREFIX + Constants.SECURITY_MANAGER_PROPERTY;
/** Entity resolver property ("internal/entity-resolver"). */
public static final String ENTITY_RESOLVER_PROPERTY = "internal/entity-resolver";
/** Grammar pool property ("internal/grammar-pool"). */
public static final String XMLGRAMMAR_POOL_PROPERTY = "internal/grammar-pool";
/** Datatype validator factory ("internal/datatype-validator-factory"). */
public static final String DATATYPE_VALIDATOR_FACTORY_PROPERTY = "internal/datatype-validator-factory";
/** Document scanner property ("internal/document-scanner"). */
public static final String DOCUMENT_SCANNER_PROPERTY = "internal/document-scanner";
/** DTD scanner property ("internal/dtd-scanner"). */
public static final String DTD_SCANNER_PROPERTY = "internal/dtd-scanner";
/** DTD processor property ("internal/dtd-processor"). */
public static final String DTD_PROCESSOR_PROPERTY = "internal/dtd-processor";
/** Validator property ("internal/validator"). */
public static final String VALIDATOR_PROPERTY = "internal/validator";
/** Validator property ("internal/validator/dtd"). */
public static final String DTD_VALIDATOR_PROPERTY = "internal/validator/dtd";
/** Validator property ("internal/validator/schema"). */
public static final String SCHEMA_VALIDATOR_PROPERTY = "internal/validator/schema";
/** No namespace schema location property ("schema/external-schemaLocation"). */
public static final String SCHEMA_LOCATION = "schema/external-schemaLocation";
/** Schema location property ("schema/external-noNamespaceSchemaLocation"). */
public static final String SCHEMA_NONS_LOCATION = "schema/external-noNamespaceSchemaLocation";
/** Namespace binder property ("internal/namespace-binder"). */
public static final String NAMESPACE_BINDER_PROPERTY = "internal/namespace-binder";
/** Namespace context property ("internal/namespace-context"). */
public static final String NAMESPACE_CONTEXT_PROPERTY = "internal/namespace-context";
/** Validation manager property ("internal/validation-manager"). */
public static final String VALIDATION_MANAGER_PROPERTY = "internal/validation-manager";
/** XPointer Schema property ("xpointer-schema"). */
public static final String XPOINTER_SCHEMA_PROPERTY = "xpointer-schema";
// general constants
/** Element PSVI is stored in augmentations using string "ELEMENT_PSVI" */
public final static String ELEMENT_PSVI = "ELEMENT_PSVI";
/* Attribute PSVI is stored in augmentations using string "ATTRIBUTE_PSVI" */
public final static String ATTRIBUTE_PSVI = "ATTRIBUTE_PSVI";
/**
* Boolean indicating whether an attribute is declared in the DTD is stored
* in augmentations using the string "ATTRIBUTE_DECLARED". The absence of this
* augmentation indicates that the attribute was not declared in the DTD.
*/
public final static String ATTRIBUTE_DECLARED = "ATTRIBUTE_DECLARED";
public final static String ENTITY_EXPANSION_LIMIT = "entityExpansionLimit";
public final static String MAX_OCCUR_LIMIT = "maxOccurLimit";
/**
* {@link org.w3c.dom.TypeInfo} associated with current element/attribute
* is stored in augmentations using this string as the key.
*
* This will ultimately controls {@link com.sun.org.apache.xerces.internal.parsers.AbstractDOMParser}
* regarding what object the DOM will return from
* {@link org.w3c.dom.Attr#getSchemaTypeInfo()} and
* {@link org.w3c.dom.Element#getSchemaTypeInfo()} and
*/
public final static String TYPEINFO = "org.w3c.dom.TypeInfo";
/**
* Whether an attribute is an id or not is stored in augmentations
* using this string as the key. The value is {@link Boolean#TRUE}
* or {@link Boolean#FALSE}.
*
* This will ultimately controls {@link com.sun.org.apache.xerces.internal.parsers.AbstractDOMParser}
* about whether it will mark an attribute as ID or not.
*/
public final static String ID_ATTRIBUTE = "ID_ATTRIBUTE";
// XML version constants
/**
* Boolean indicating whether an entity referenced in the document has
* not been read is stored in augmentations using the string "ENTITY_SKIPPED".
* The absence of this augmentation indicates that the entity had a
* declaration and was expanded.
*/
public final static String ENTITY_SKIPPED = "ENTITY_SKIPPED";
/**
* Boolean indicating whether a character is a probable white space
* character (ch <= 0x20) that was the replacement text of a character
* reference is stored in augmentations using the string "CHAR_REF_PROBABLE_WS".
* The absence of this augmentation indicates that the character is not
* probable white space and/or was not included from a character reference.
*/
public final static String CHAR_REF_PROBABLE_WS = "CHAR_REF_PROBABLE_WS";
// XML version constants
public final static short XML_VERSION_1_0 = 1;
public final static short XML_VERSION_1_1 = 2;
// DOM related constants
public final static String ANONYMOUS_TYPE_NAMESPACE =
"http://apache.org/xml/xmlschema/1.0/anonymousTypes";
// private
/** SAX features. */
private static final String[] fgSAXFeatures = {
NAMESPACES_FEATURE,
NAMESPACE_PREFIXES_FEATURE,
STRING_INTERNING_FEATURE,
VALIDATION_FEATURE,
EXTERNAL_GENERAL_ENTITIES_FEATURE,
EXTERNAL_PARAMETER_ENTITIES_FEATURE,
};
/** SAX properties. */
private static final String[] fgSAXProperties = {
DECLARATION_HANDLER_PROPERTY,
LEXICAL_HANDLER_PROPERTY,
DOM_NODE_PROPERTY,
XML_STRING_PROPERTY,
};
/** Xerces features. */
private static final String[] fgXercesFeatures = {
SCHEMA_VALIDATION_FEATURE,
SCHEMA_FULL_CHECKING,
DYNAMIC_VALIDATION_FEATURE,
WARN_ON_DUPLICATE_ATTDEF_FEATURE,
WARN_ON_UNDECLARED_ELEMDEF_FEATURE,
ALLOW_JAVA_ENCODINGS_FEATURE,
CONTINUE_AFTER_FATAL_ERROR_FEATURE,
LOAD_DTD_GRAMMAR_FEATURE,
LOAD_EXTERNAL_DTD_FEATURE,
//DEFER_NODE_EXPANSION_FEATURE,
CREATE_ENTITY_REF_NODES_FEATURE,
XINCLUDE_AWARE,
INCLUDE_IGNORABLE_WHITESPACE,
//GRAMMAR_ACCESS_FEATURE,
DEFAULT_ATTRIBUTE_VALUES_FEATURE,
VALIDATE_CONTENT_MODELS_FEATURE,
VALIDATE_DATATYPES_FEATURE,
NOTIFY_CHAR_REFS_FEATURE,
NOTIFY_BUILTIN_REFS_FEATURE,
DISALLOW_DOCTYPE_DECL_FEATURE,
STANDARD_URI_CONFORMANT_FEATURE
};
/** Xerces properties. */
private static final String[] fgXercesProperties = {
CURRENT_ELEMENT_NODE_PROPERTY,
DOCUMENT_CLASS_NAME_PROPERTY,
SYMBOL_TABLE_PROPERTY,
ERROR_HANDLER_PROPERTY,
ERROR_REPORTER_PROPERTY,
ENTITY_MANAGER_PROPERTY,
ENTITY_RESOLVER_PROPERTY,
XMLGRAMMAR_POOL_PROPERTY,
DATATYPE_VALIDATOR_FACTORY_PROPERTY,
DOCUMENT_SCANNER_PROPERTY,
DTD_SCANNER_PROPERTY,
VALIDATOR_PROPERTY,
SCHEMA_LOCATION,
SCHEMA_NONS_LOCATION,
VALIDATION_MANAGER_PROPERTY,
BUFFER_SIZE_PROPERTY,
SECURITY_MANAGER_PROPERTY
};
/** Empty enumeration. */
private static final Enumeration fgEmptyEnumeration = new ArrayEnumeration(new Object[] {});
//
// Constructors
//
/** This class cannot be instantiated. */
private Constants() {}
//
// Public methods
//
// sax
/** Returns an enumeration of the SAX features. */
public static Enumeration getSAXFeatures() {
return fgSAXFeatures.length > 0
? new ArrayEnumeration(fgSAXFeatures) : fgEmptyEnumeration;
} // getSAXFeatures():Enumeration
/** Returns an enumeration of the SAX properties. */
public static Enumeration getSAXProperties() {
return fgSAXProperties.length > 0
? new ArrayEnumeration(fgSAXProperties) : fgEmptyEnumeration;
} // getSAXProperties():Enumeration
// xerces
/** Returns an enumeration of the Xerces features. */
public static Enumeration getXercesFeatures() {
return fgXercesFeatures.length > 0
? new ArrayEnumeration(fgXercesFeatures) : fgEmptyEnumeration;
} // getXercesFeatures():Enumeration
/** Returns an enumeration of the Xerces properties. */
public static Enumeration getXercesProperties() {
return fgXercesProperties.length > 0
? new ArrayEnumeration(fgXercesProperties) : fgEmptyEnumeration;
} // getXercesProperties():Enumeration
//
// Classes
//
/**
* An array enumeration.
*
* @author Andy Clark, IBM
*/
static class ArrayEnumeration
implements Enumeration {
//
// Data
//
/** Array. */
private Object[] array;
/** Index. */
private int index;
//
// Constructors
//
/** Constructs an array enumeration. */
public ArrayEnumeration(Object[] array) {
this.array = array;
} // <init>(Object[])
//
// Enumeration methods
//
/**
* Tests if this enumeration contains more elements.
*
* @return <code>true</code> if this enumeration contains more elements;
* <code>false</code> otherwise.
* @since JDK1.0
*/
public boolean hasMoreElements() {
return index < array.length;
} // hasMoreElement():boolean
/**
* Returns the next element of this enumeration.
*
* @return the next element of this enumeration.
* @exception NoSuchElementException if no more elements exist.
* @since JDK1.0
*/
public Object nextElement() {
if (index < array.length) {
return array[index++];
}
throw new NoSuchElementException();
} // nextElement():Object
} // class ArrayEnumeration
//
// MAIN
//
/** Prints all of the constants to standard output. */
public static void main(String[] argv) {
print("SAX features:", SAX_FEATURE_PREFIX, fgSAXFeatures);
print("SAX properties:", SAX_PROPERTY_PREFIX, fgSAXProperties);
print("Xerces features:", XERCES_FEATURE_PREFIX, fgXercesFeatures);
print("Xerces properties:", XERCES_PROPERTY_PREFIX, fgXercesProperties);
} // main(String[])
/** Prints a list of features/properties. */
private static void print(String header, String prefix, Object[] array) {
System.out.print(header);
if (array.length > 0) {
System.out.println();
for (int i = 0; i < array.length; i++) {
System.out.print(" ");
System.out.print(prefix);
System.out.println(array[i]);
}
}
else {
System.out.println(" none.");
}
} // print(String,String,Object[])
} // class Constants
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