--- /dev/null 2015-04-26 17:31:22.381138994 -0700 +++ new/src/java.xml/share/classes/javax/xml/catalog/CatalogResolverImpl.java 2015-10-26 15:21:51.134941252 -0700 @@ -0,0 +1,125 @@ +/* + * Copyright (c) 2015, 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 javax.xml.catalog; + +import java.io.StringReader; +import java.util.Iterator; +import org.xml.sax.InputSource; + +/** + * A SAX EntityResolver/JAXP URIResolver that uses catalogs. + * + *

+ * This class implements both a SAX EntityResolver and a JAXP URIResolver. + * + * + * @since 9 + */ +final class CatalogResolverImpl implements CatalogResolver { + Catalog catalog; + + /** + * Construct an instance of the CatalogResolver from a Catalog. + * + * @param catalog A Catalog. + */ + public CatalogResolverImpl(Catalog catalog) { + this.catalog = catalog; + } + + @Override + public InputSource resolveEntity(String publicId, String systemId) { + //Normalize publicId and systemId + systemId = Normalizer.normalizeURI(systemId); + publicId = Normalizer.normalizePublicId(Normalizer.decodeURN(publicId)); + + //check whether systemId is an urn + if (systemId != null && systemId.startsWith("urn:publicid:")) { + systemId = Normalizer.decodeURN(systemId); + if (publicId != null && !publicId.equals(systemId)) { + systemId = null; + } else { + publicId = systemId; + systemId = null; + } + } + + CatalogImpl c = (CatalogImpl)catalog; + String resolvedSystemId = resolve(c, publicId, systemId); + + if (resolvedSystemId != null) { + return new InputSource(resolvedSystemId); + } + + GroupEntry.ResolveType resolveType = ((CatalogImpl) catalog).getResolve(); + switch (resolveType) { + case IGNORE: + return new InputSource(new StringReader("")); + case STRICT: + CatalogMessages.reportError(CatalogMessages.ERR_NO_MATCH, + new Object[]{publicId, systemId}); + } + + //no action, allow the parser to continue + return null; + } + + /** + * Resolves the publicId or systemId to one specified in the catalog. + * @param catalog the catalog + * @param publicId the publicId + * @param systemId the systemId + * @return the resolved systemId if a match is found, null otherwise + */ + String resolve(CatalogImpl catalog, String publicId, String systemId) { + String resolvedSystemId = null; + + //search the current catalog + catalog.reset(); + if (systemId != null) { + resolvedSystemId = catalog.matchSystem(systemId); + } + if (resolvedSystemId == null) { + resolvedSystemId = catalog.matchPublic(publicId); + } + + //mark the catalog as having been searched before trying alternatives + catalog.markAsSearched(); + + //search alternative catalogs + if (resolvedSystemId == null) { + Iterator iter = catalog.catalogs().iterator(); + while (iter.hasNext()) { + resolvedSystemId = resolve((CatalogImpl)iter.next(), publicId, systemId); + if (resolvedSystemId != null) { + break; + } + + } + } + + return resolvedSystemId; + } +}