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/*
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* Copyright (c) 2015, 2017, 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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/**
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*
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* Provides the classes for implementing
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* <a href="https://www.oasis-open.org/committees/download.php/14809/xml-catalogs.html">
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* XML Catalogs OASIS Standard V1.1, 7 October 2005</a>.
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*
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* <p>
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* The Catalog API defines a standard solution for resolving external resources
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* referenced by XML documents. It is fully supported by the XML Processors
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* allowing application developers to configure a catalog through an XML processor
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* or system property or the jaxp.properties file to take advantage of the feature.
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* <p>
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* The XML Catalog API defines the following interfaces:
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* <ul>
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* <li>{@link Catalog} -- The {@link Catalog} interface represents an entity
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* catalog as defined by the Catalog standard. A {@link Catalog} object
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* is immutable. Once created, it can be used to find matches in a
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* {@code system}, {@code public} or {@code uri} entry.
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* A custom resolver implementation may find it useful for locating local
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* resources through a catalog.
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* </li>
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* <li>{@link CatalogFeatures} -- The {@link CatalogFeatures} class holds all
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* of the features and properties the Catalog API supports, including
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* {@code javax.xml.catalog.files}, {@code javax.xml.catalog.defer},
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* {@code javax.xml.catalog.prefer}, and {@code javax.xml.catalog.resolve}.
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* </li>
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* <li>{@link CatalogManager} -- The {@link CatalogManager} class manages the
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* creation of XML catalogs and catalog resolvers.
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* </li>
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* <li>{@link CatalogResolver} -- The {@link CatalogResolver} class is a
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* {@code Catalog} resolver that implements {@link org.xml.sax.EntityResolver},
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* {@link javax.xml.stream.XMLResolver}, {@link org.w3c.dom.ls.LSResourceResolver},
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* and {@link javax.xml.transform.URIResolver}, and resolves external
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* references using catalogs.
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* </li>
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* </ul>
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* <p>
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* Unless otherwise noted, passing a null argument to
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* a constructor or method in any class or interface in this package will
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* cause a {@code NullPointerException} to be thrown.
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*
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* @since 9
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*
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*/
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package javax.xml.catalog;
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