constants.java

java1.6众多例子参考

/*
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the "License").  You may not use this file except
 * in compliance with the License.
 *
 * You can obtain a copy of the license at
 * https://jaxp.dev.java.net/CDDLv1.0.html.
 * See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * HEADER in each file and include the License file at
 * https://jaxp.dev.java.net/CDDLv1.0.html
 * If applicable add the following below this CDDL HEADER
 * with the fields enclosed by brackets "[]" replaced with
 * your own identifying information: Portions Copyright
 * [year] [name of copyright owner]
 */

/*
 * $Id: XMLEntityReader.java,v 1.3 2005/11/03 17:02:21 jeffsuttor Exp $
 * @(#)Constants.java	1.19 05/11/17
 *
 * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
 */

/*
 * Copyright 2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.sun.org.apache.xerces.internal.impl;

import java.util.Enumeration;
import java.util.NoSuchElementException;

/**
 * Commonly used constants.
 * 
 * @xerces.internal
 *
 * @author Andy Clark, IBM
 *
 * @version $Id: Constants.java,v 1.4 2005/10/03 14:04:59 neerajbj 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();

    //stax properties
    
    public static final String ZEPHYR_PROPERTY_PREFIX = "http://java.sun.com/xml/stream/properties/" ;    
    public static final String STAX_PROPERTIES = "stax-properties" ;
    public static final String STAX_ENTITY_RESOLVER_PROPERTY = "internal/stax-entity-resolver";
    public static final String STAX_REPORT_CDATA_EVENT = "report-cdata-event";
    public static final String READER_IN_DEFINED_STATE = ZEPHYR_PROPERTY_PREFIX + "reader-in-defined-state" ;
    public static final String ADD_NAMESPACE_DECL_AS_ATTRIBUTE = "add-namespacedecl-as-attrbiute";
    public static final String ESCAPE_CHARACTERS = "escapeCharacters";
    public static final String REUSE_INSTANCE = "reuse-instance" ;
    
    // sax features
    
    /** SAX feature prefix ("http://xml.org/sax/features/"). */
    public static final String SAX_FEATURE_PREFIX = "http://xml.org/sax/features/";

    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";

    /** Generate synthetic annotations feature ("generate-synthetic-annotations"). */
    public static final String GENERATE_SYNTHETIC_ANNOTATIONS_FEATURE = "generate-synthetic-annotations";

    /** Validate annotations feature ("validate-annotations"). */
    public static final String VALIDATE_ANNOTATIONS_FEATURE = "validate-annotations";
    

        /** Honour all schemaLocations feature ("honour-all-schemaLocations"). */
    public static final String HONOUR_ALL_SCHEMALOCATIONS_FEATURE = "honour-all-schemaLocations";
    
    /** XInclude processing feature ("xinclude"). */
    public static final String XINCLUDE_FEATURE = "xinclude";
    
    /** XInclude fixup base URIs feature ("xinclude/fixup-base-uris"). */
    public static final String XINCLUDE_FIXUP_BASE_URIS_FEATURE = "xinclude/fixup-base-uris";
    
    /** XInclude fixup language feature ("xinclude/fixup-language"). */
    public static final String XINCLUDE_FIXUP_LANGUAGE_FEATURE = "xinclude/fixup-language";
    
    /**
     * Internal feature. When set to true the schema validator will only use
     * schema components from the grammar pool provided.
     */
    public static final String USE_GRAMMAR_POOL_ONLY_FEATURE = "internal/validation/schema/use-grammar-pool-only";
   
    /** 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"). */