diff options
| author | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-02-02 00:42:32 +0000 |
|---|---|---|
| committer | tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-02-02 00:42:32 +0000 |
| commit | 795e6e36d7ac5de19f2eddace76e1036519860e5 (patch) | |
| tree | d6f5216c5e8b86e821ab50a8cb46c7eec16e0a52 /libjava/gnu/xml/util/Resolver.java | |
| parent | deac3726d786d71a31243f1348e467cb0251a522 (diff) | |
| download | gcc-795e6e36d7ac5de19f2eddace76e1036519860e5.tar.gz | |
* external/w3c_dom/Makefile.am: New file.
* external/w3c_dom/Makefile.in: New file.
* external/sax/Makefile.am: New file.
* external/sax/Makefile.in: New file.
* external/Makefile.in: New file.
* external/Makefile.am: New file.
* external/README: New file from Classpath.
* configure, aclocal.m4, Makefile.in: Rebuilt.
* configure.ac (AC_CONFIG_FILES): Create new Makefiles.
* Makefile.am (SUBDIRS): Added external.
(toolexeclib_LTLIBRARIES): Removed lib-org-xml-sax.la,
lib-org-w3c-dom.la, lib-org-ietf-gss.la.
(BOOTCLASSPATH): New variable.
(AM_GCJFLAGS): Use it.
(gnu_xml_source_files): New variable.
(libgcj_la_SOURCES): Use it.
(libgcj_la_LDADD): Include new convenience libraries.
(lib_org_ietf_jgss_la_SOURCES): Removed.
(lib_org_ietf_jgss_la_DEPENDENCIES): Likewise.
(lib_org_ietf_jgss_la_LIBADD): Likewise.
(lib_org_w3c_dom_la_SOURCES): Removed.
(lib_org_w3c_dom_la_DEPENDENCIES): Likewise.
(lib_org_w3c_dom_la_LIBADD): Likewise.
(lib_org_xml_sax_la_SOURCES): Removed.
(lib_org_xml_sax_la_DEPENDENCIES): Likewise.
(lib_org_xml_sax_la_LIBADD): Likewise.
(all_java_source_files): Updated.
(property_files): Likewise.
(libgcj-@gcc_version@.jar): Include classes from external/.
(javax_source_files): Updated.
(ordinary_java_source_files): Updated.
* javax/xml/XMLConstants.java,
javax/xml/datatype/DatatypeConfigurationException.java,
javax/xml/datatype/DatatypeConstants.java,
javax/xml/datatype/DatatypeFactory.java,
javax/xml/datatype/Duration.java,
javax/xml/datatype/XMLGregorianCalendar.java,
javax/xml/datatype/package.html,
javax/xml/namespace/NamespaceContext.java,
javax/xml/namespace/QName.java, javax/xml/namespace/package.html,
javax/xml/parsers/DocumentBuilder.java,
javax/xml/parsers/DocumentBuilderFactory.java,
javax/xml/parsers/FactoryConfigurationError.java,
javax/xml/parsers/ParserConfigurationException.java,
javax/xml/parsers/SAXParser.java,
javax/xml/parsers/SAXParserFactory.java,
javax/xml/parsers/package.html,
javax/xml/transform/ErrorListener.java,
javax/xml/transform/OutputKeys.java,
javax/xml/transform/Result.java, javax/xml/transform/Source.java,
javax/xml/transform/SourceLocator.java,
javax/xml/transform/Templates.java,
javax/xml/transform/Transformer.java,
javax/xml/transform/TransformerConfigurationException.java,
javax/xml/transform/TransformerException.java,
javax/xml/transform/TransformerFactory.java,
javax/xml/transform/TransformerFactoryConfigurationError.java,
javax/xml/transform/URIResolver.java,
javax/xml/transform/package.html,
javax/xml/transform/dom/DOMLocator.java,
javax/xml/transform/dom/DOMResult.java,
javax/xml/transform/dom/DOMSource.java,
javax/xml/transform/dom/package.html,
javax/xml/transform/sax/SAXResult.java,
javax/xml/transform/sax/SAXSource.java,
javax/xml/transform/sax/SAXTransformerFactory.java,
javax/xml/transform/sax/TemplatesHandler.java,
javax/xml/transform/sax/TransformerHandler.java,
javax/xml/transform/sax/package.html,
javax/xml/transform/stream/StreamResult.java,
javax/xml/transform/stream/StreamSource.java,
javax/xml/transform/stream/package.html,
javax/xml/validation/Schema.java,
javax/xml/validation/SchemaFactory.java,
javax/xml/validation/TypeInfoProvider.java,
javax/xml/validation/Validator.java,
javax/xml/validation/ValidatorHandler.java,
javax/xml/validation/package.html, javax/xml/xpath/XPath.java,
javax/xml/xpath/XPathConstants.java,
javax/xml/xpath/XPathException.java,
javax/xml/xpath/XPathExpression.java,
javax/xml/xpath/XPathExpressionException.java,
javax/xml/xpath/XPathFactory.java,
javax/xml/xpath/XPathFactoryConfigurationException.java,
javax/xml/xpath/XPathFunction.java,
javax/xml/xpath/XPathFunctionException.java,
javax/xml/xpath/XPathFunctionResolver.java,
javax/xml/xpath/XPathVariableResolver.java,
javax/xml/xpath/package.html: New files, from GNU JAXP.
* org/w3c/dom/Attr.java, org/w3c/dom/CDATASection.java,
org/w3c/dom/CharacterData.java, org/w3c/dom/Comment.java,
org/w3c/dom/DOMException.java, org/w3c/dom/DOMImplementation.java,
org/w3c/dom/Document.java, org/w3c/dom/DocumentFragment.java,
org/w3c/dom/DocumentType.java, org/w3c/dom/Element.java,
org/w3c/dom/Entity.java, org/w3c/dom/EntityReference.java,
org/w3c/dom/NamedNodeMap.java, org/w3c/dom/Node.java,
org/w3c/dom/NodeList.java, org/w3c/dom/Notation.java,
org/w3c/dom/ProcessingInstruction.java, org/w3c/dom/Text.java,
org/w3c/dom/ranges/DocumentRange.java,
org/w3c/dom/ranges/Range.java,
org/w3c/dom/ranges/RangeException.java,
org/w3c/dom/traversal/DocumentTraversal.java,
org/w3c/dom/traversal/NodeFilter.java,
org/w3c/dom/traversal/NodeIterator.java,
org/w3c/dom/traversal/TreeWalker.java,
org/xml/sax/AttributeList.java, org/xml/sax/Attributes.java,
org/xml/sax/ContentHandler.java, org/xml/sax/DTDHandler.java,
org/xml/sax/DocumentHandler.java, org/xml/sax/EntityResolver.java,
org/xml/sax/ErrorHandler.java, org/xml/sax/HandlerBase.java,
org/xml/sax/InputSource.java, org/xml/sax/Locator.java,
org/xml/sax/Parser.java, org/xml/sax/SAXException.java,
org/xml/sax/SAXNotRecognizedException.java,
org/xml/sax/SAXNotSupportedException.java,
org/xml/sax/SAXParseException.java, org/xml/sax/XMLFilter.java,
org/xml/sax/XMLReader.java, org/xml/sax/package.html,
org/xml/sax/ext/DeclHandler.java,
org/xml/sax/ext/LexicalHandler.java, org/xml/sax/ext/package.html,
org/xml/sax/helpers/AttributeListImpl.java,
org/xml/sax/helpers/AttributesImpl.java,
org/xml/sax/helpers/DefaultHandler.java,
org/xml/sax/helpers/LocatorImpl.java,
org/xml/sax/helpers/NamespaceSupport.java,
org/xml/sax/helpers/NewInstance.java,
org/xml/sax/helpers/ParserAdapter.java,
org/xml/sax/helpers/ParserFactory.java,
org/xml/sax/helpers/XMLFilterImpl.java,
org/xml/sax/helpers/XMLReaderAdapter.java,
org/xml/sax/helpers/XMLReaderFactory.java,
org/xml/sax/helpers/package.html: Moved to external/.
* external/sax/README,
external/sax/org/xml/sax/AttributeList.java,
external/sax/org/xml/sax/Attributes.java,
external/sax/org/xml/sax/ContentHandler.java,
external/sax/org/xml/sax/DTDHandler.java,
external/sax/org/xml/sax/DocumentHandler.java,
external/sax/org/xml/sax/EntityResolver.java,
external/sax/org/xml/sax/ErrorHandler.java,
external/sax/org/xml/sax/HandlerBase.java,
external/sax/org/xml/sax/InputSource.java,
external/sax/org/xml/sax/Locator.java,
external/sax/org/xml/sax/Parser.java,
external/sax/org/xml/sax/SAXException.java,
external/sax/org/xml/sax/SAXNotRecognizedException.java,
external/sax/org/xml/sax/SAXNotSupportedException.java,
external/sax/org/xml/sax/SAXParseException.java,
external/sax/org/xml/sax/XMLFilter.java,
external/sax/org/xml/sax/XMLReader.java,
external/sax/org/xml/sax/package.html,
external/sax/org/xml/sax/ext/Attributes2.java,
external/sax/org/xml/sax/ext/Attributes2Impl.java,
external/sax/org/xml/sax/ext/DeclHandler.java,
external/sax/org/xml/sax/ext/DefaultHandler2.java,
external/sax/org/xml/sax/ext/EntityResolver2.java,
external/sax/org/xml/sax/ext/LexicalHandler.java,
external/sax/org/xml/sax/ext/Locator2.java,
external/sax/org/xml/sax/ext/Locator2Impl.java,
external/sax/org/xml/sax/ext/package.html,
external/sax/org/xml/sax/helpers/AttributeListImpl.java,
external/sax/org/xml/sax/helpers/AttributesImpl.java,
external/sax/org/xml/sax/helpers/DefaultHandler.java,
external/sax/org/xml/sax/helpers/LocatorImpl.java,
external/sax/org/xml/sax/helpers/NamespaceSupport.java,
external/sax/org/xml/sax/helpers/NewInstance.java,
external/sax/org/xml/sax/helpers/ParserAdapter.java,
external/sax/org/xml/sax/helpers/ParserFactory.java,
external/sax/org/xml/sax/helpers/XMLFilterImpl.java,
external/sax/org/xml/sax/helpers/XMLReaderAdapter.java,
external/sax/org/xml/sax/helpers/XMLReaderFactory.java,
external/sax/org/xml/sax/helpers/package.html,
external/w3c_dom/COPYRIGHT.html, external/w3c_dom/README,
external/w3c_dom/org/w3c/dom/Attr.java,
external/w3c_dom/org/w3c/dom/CDATASection.java,
external/w3c_dom/org/w3c/dom/CharacterData.java,
external/w3c_dom/org/w3c/dom/Comment.java,
external/w3c_dom/org/w3c/dom/DOMConfiguration.java,
external/w3c_dom/org/w3c/dom/DOMError.java,
external/w3c_dom/org/w3c/dom/DOMErrorHandler.java,
external/w3c_dom/org/w3c/dom/DOMException.java,
external/w3c_dom/org/w3c/dom/DOMImplementation.java,
external/w3c_dom/org/w3c/dom/DOMImplementationList.java,
external/w3c_dom/org/w3c/dom/DOMImplementationSource.java,
external/w3c_dom/org/w3c/dom/DOMLocator.java,
external/w3c_dom/org/w3c/dom/DOMStringList.java,
external/w3c_dom/org/w3c/dom/Document.java,
external/w3c_dom/org/w3c/dom/DocumentFragment.java,
external/w3c_dom/org/w3c/dom/DocumentType.java,
external/w3c_dom/org/w3c/dom/Element.java,
external/w3c_dom/org/w3c/dom/Entity.java,
external/w3c_dom/org/w3c/dom/EntityReference.java,
external/w3c_dom/org/w3c/dom/NameList.java,
external/w3c_dom/org/w3c/dom/NamedNodeMap.java,
external/w3c_dom/org/w3c/dom/Node.java,
external/w3c_dom/org/w3c/dom/NodeList.java,
external/w3c_dom/org/w3c/dom/Notation.java,
external/w3c_dom/org/w3c/dom/ProcessingInstruction.java,
external/w3c_dom/org/w3c/dom/Text.java,
external/w3c_dom/org/w3c/dom/TypeInfo.java,
external/w3c_dom/org/w3c/dom/UserDataHandler.java,
external/w3c_dom/org/w3c/dom/bootstrap/DOMImplementationRegistry.java,
external/w3c_dom/org/w3c/dom/css/CSS2Properties.java,
external/w3c_dom/org/w3c/dom/css/CSSCharsetRule.java,
external/w3c_dom/org/w3c/dom/css/CSSFontFaceRule.java,
external/w3c_dom/org/w3c/dom/css/CSSImportRule.java,
external/w3c_dom/org/w3c/dom/css/CSSMediaRule.java,
external/w3c_dom/org/w3c/dom/css/CSSPageRule.java,
external/w3c_dom/org/w3c/dom/css/CSSPrimitiveValue.java,
external/w3c_dom/org/w3c/dom/css/CSSRule.java,
external/w3c_dom/org/w3c/dom/css/CSSRuleList.java,
external/w3c_dom/org/w3c/dom/css/CSSStyleDeclaration.java,
external/w3c_dom/org/w3c/dom/css/CSSStyleRule.java,
external/w3c_dom/org/w3c/dom/css/CSSStyleSheet.java,
external/w3c_dom/org/w3c/dom/css/CSSUnknownRule.java,
external/w3c_dom/org/w3c/dom/css/CSSValue.java,
external/w3c_dom/org/w3c/dom/css/CSSValueList.java,
external/w3c_dom/org/w3c/dom/css/Counter.java,
external/w3c_dom/org/w3c/dom/css/DOMImplementationCSS.java,
external/w3c_dom/org/w3c/dom/css/DocumentCSS.java,
external/w3c_dom/org/w3c/dom/css/ElementCSSInlineStyle.java,
external/w3c_dom/org/w3c/dom/css/RGBColor.java,
external/w3c_dom/org/w3c/dom/css/Rect.java,
external/w3c_dom/org/w3c/dom/css/ViewCSS.java,
external/w3c_dom/org/w3c/dom/events/DocumentEvent.java,
external/w3c_dom/org/w3c/dom/events/Event.java,
external/w3c_dom/org/w3c/dom/events/EventException.java,
external/w3c_dom/org/w3c/dom/events/EventListener.java,
external/w3c_dom/org/w3c/dom/events/EventTarget.java,
external/w3c_dom/org/w3c/dom/events/MouseEvent.java,
external/w3c_dom/org/w3c/dom/events/MutationEvent.java,
external/w3c_dom/org/w3c/dom/events/UIEvent.java,
external/w3c_dom/org/w3c/dom/html2/HTMLAnchorElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLAppletElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLAreaElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLBRElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLBaseElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLBaseFontElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLBodyElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLButtonElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLCollection.java,
external/w3c_dom/org/w3c/dom/html2/HTMLDListElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLDirectoryElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLDivElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLDocument.java,
external/w3c_dom/org/w3c/dom/html2/HTMLElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLFieldSetElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLFontElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLFormElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLFrameElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLFrameSetElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLHRElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLHeadElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLHeadingElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLHtmlElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLIFrameElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLImageElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLInputElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLIsIndexElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLLIElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLLabelElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLLegendElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLLinkElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLMapElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLMenuElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLMetaElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLModElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLOListElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLObjectElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLOptGroupElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLOptionElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLOptionsCollection.java,
external/w3c_dom/org/w3c/dom/html2/HTMLParagraphElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLParamElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLPreElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLQuoteElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLScriptElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLSelectElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLStyleElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLTableCaptionElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLTableCellElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLTableColElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLTableElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLTableRowElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLTableSectionElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLTextAreaElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLTitleElement.java,
external/w3c_dom/org/w3c/dom/html2/HTMLUListElement.java,
external/w3c_dom/org/w3c/dom/ls/DOMImplementationLS.java,
external/w3c_dom/org/w3c/dom/ls/LSException.java,
external/w3c_dom/org/w3c/dom/ls/LSInput.java,
external/w3c_dom/org/w3c/dom/ls/LSLoadEvent.java,
external/w3c_dom/org/w3c/dom/ls/LSOutput.java,
external/w3c_dom/org/w3c/dom/ls/LSParser.java,
external/w3c_dom/org/w3c/dom/ls/LSParserFilter.java,
external/w3c_dom/org/w3c/dom/ls/LSProgressEvent.java,
external/w3c_dom/org/w3c/dom/ls/LSResourceResolver.java,
external/w3c_dom/org/w3c/dom/ls/LSSerializer.java,
external/w3c_dom/org/w3c/dom/ls/LSSerializerFilter.java,
external/w3c_dom/org/w3c/dom/ranges/DocumentRange.java,
external/w3c_dom/org/w3c/dom/ranges/Range.java,
external/w3c_dom/org/w3c/dom/ranges/RangeException.java,
external/w3c_dom/org/w3c/dom/stylesheets/DocumentStyle.java,
external/w3c_dom/org/w3c/dom/stylesheets/LinkStyle.java,
external/w3c_dom/org/w3c/dom/stylesheets/MediaList.java,
external/w3c_dom/org/w3c/dom/stylesheets/StyleSheet.java,
external/w3c_dom/org/w3c/dom/stylesheets/StyleSheetList.java,
external/w3c_dom/org/w3c/dom/traversal/DocumentTraversal.java,
external/w3c_dom/org/w3c/dom/traversal/NodeFilter.java,
external/w3c_dom/org/w3c/dom/traversal/NodeIterator.java,
external/w3c_dom/org/w3c/dom/traversal/TreeWalker.java,
external/w3c_dom/org/w3c/dom/views/AbstractView.java,
external/w3c_dom/org/w3c/dom/views/DocumentView.java,
external/w3c_dom/org/w3c/dom/xpath/XPathEvaluator.java,
external/w3c_dom/org/w3c/dom/xpath/XPathException.java,
external/w3c_dom/org/w3c/dom/xpath/XPathExpression.java,
external/w3c_dom/org/w3c/dom/xpath/XPathNSResolver.java,
external/w3c_dom/org/w3c/dom/xpath/XPathNamespace.java,
external/w3c_dom/org/w3c/dom/xpath/XPathResult.java: New files
from Classpath.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94577 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libjava/gnu/xml/util/Resolver.java')
| -rw-r--r-- | libjava/gnu/xml/util/Resolver.java | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/libjava/gnu/xml/util/Resolver.java b/libjava/gnu/xml/util/Resolver.java new file mode 100644 index 00000000000..4ca078774ec --- /dev/null +++ b/libjava/gnu/xml/util/Resolver.java @@ -0,0 +1,263 @@ +/* Resolver.java -- + Copyright (C) 1999,2000,2001 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package gnu.xml.util; + +import java.io.*; + +import java.util.Dictionary; +import java.util.Hashtable; + +import org.xml.sax.*; + + +/** + * Utility implementation of a SAX resolver, which can be used to improve + * network utilization of SAX based XML components. It does this by + * supporting local caches of external entities. + * SAX parsers <em>should</em> use such local caches when possible. + * + * @see XCat + */ +public class Resolver implements EntityResolver, Cloneable +{ + /** + * Updates a dictionary used to map PUBLIC identifiers to file names, + * so that it uses the mappings in a specified directory. + * + * @param mappings Array of string pairs, where the first member + * of each pair is a PUBLIC identifier and the second is the + * name of a file, relative to the specified directory. + * @param directory File holding the specified files. + */ + public static void addDirectoryMapping ( + Dictionary table, + String mappings [][], + File directory + ) throws IOException + { + for (int i = 0; i < mappings.length; i++) { + File file = new File (directory, mappings [i][1]); + String temp; + + if (!file.exists ()) // ?? log a warning ?? + continue; + + temp = fileToURL (file); + table.put (mappings [i][0], temp); + } + } + + // FIXME: these *URL routines don't quite belong here, except + // that they're all in the same spirit of making it easy to + // use local filesystem URIs with XML parsers. + + /** + * Provides the URL for a named file, without relying on the JDK 1.2 + * {@link java.io.File#toURL File.toURL}() utility method. + * + * @param filename the file name to convert. Relative file names + * are resolved the way the JVM resolves them (current to the + * process-global current working directory). + * + * @exception IOException if the file does not exist + */ + public static String fileNameToURL (String filename) + throws IOException + { + return fileToURL (new File (filename)); + } + + /** + * Provides the URL for a file, without relying on the JDK 1.2 + * {@link java.io.File#toURL File.toURL}() utility method. + * + * @param f the file to convert. Relative file names + * are resolved the way the JVM resolves them (current to the + * process-global current working directory). + * + * @exception IOException if the file does not exist + */ + public static String fileToURL (File f) + throws IOException + { + String temp; + + // NOTE: the javax.xml.parsers.DocumentBuilder and + // javax.xml.transform.stream.StreamSource versions + // of this don't have this test. Some JVM versions + // don't report this error sanely through URL code. + if (!f.exists ()) + throw new IOException ("no such file: " + f.getName ()); + + // FIXME: getAbsolutePath() seems buggy; I'm seeing components + // like "/foo/../" which are clearly not "absolute" + // and should have been resolved with the filesystem. + + // Substituting "/" would be wrong, "foo" may have been + // symlinked ... the URL code will make that change + // later, so that things can get _really_ broken! + + temp = f.getAbsolutePath (); + + if (File.separatorChar != '/') + temp = temp.replace (File.separatorChar, '/'); + if (!temp.startsWith ("/")) + temp = "/" + temp; + if (!temp.endsWith ("/") && f.isDirectory ()) + temp = temp + "/"; + return "file:" + temp; + } + + + /** + * Returns a URL string. Note that if a malformed URL is provided, or + * the parameter names a nonexistent file, the resulting URL may be + * malformed. + * + * @param fileOrURL If this is the name of a file which exists, + * then its URL is returned. Otherwise the argument is returned. + */ + public static String getURL (String fileOrURL) + { + try { + return fileNameToURL (fileOrURL); + } catch (Exception e) { + return fileOrURL; + } + } + + + + // note: cloneable, this is just copied; unguarded against mods + private Dictionary pubidMapping; + + /** + * Constructs a resolver which understands how to map PUBLIC identifiers + * to other URIs, typically for local copies of standard DTD components. + * + * @param dictionary maps PUBLIC identifiers to URIs. This is not + * copied; subsequent modifications will be reported through the + * resolution operations. + */ + public Resolver (Dictionary dict) + { pubidMapping = dict; } + + + // FIXME: want notion of a "system default" resolver, presumably + // loaded with all sorts of useful stuff. At the same time need + // a notion of resolver chaining (failure --> next) so that subsystems + // can set up things that won't interfere with other ones. + + /** + * This parses most MIME content type strings that have <em>charset=...</em> + * encoding declarations to and returns the specified encoding. This + * conforms to RFC 3023, and is useful when constructing InputSource + * objects from URLConnection objects or other objects using MIME + * content typing. + * + * @param contentType the MIME content type that will be parsed; must + * not be null. + * @return the appropriate encoding, or null if the content type is + * not text and there's no <code>charset=...</code> attribute + */ + static public String getEncoding (String contentType) + { + // currently a dumb parsing algorithm that works "mostly" and handles + // ..anything...charset=ABC + // ..anything...charset=ABC;otherAttr=DEF + // ..anything...charset=ABC (comment);otherAttr=DEF + // ..anything...charset= "ABC" (comment);otherAttr=DEF + + int temp; + String encoding; + String defValue = null; + + if (contentType.startsWith ("text/")) + defValue = contentType.startsWith ("text/html") + ? "ISO-8859-1" : "US-ASCII"; + + // Assumes 'charset' is only an attribute name, not part + // of a value, comment, or other attribute name + // ALSO assumes no escaped values like "\;" or "\)" + if ((temp = contentType.indexOf ("charset")) != -1) { + // strip out everything up to '=' ... + temp = contentType.indexOf ('=', temp); + if (temp == -1) + return defValue; + encoding = contentType.substring (temp + 1); + // ... and any subsequent attributes + if ((temp = encoding.indexOf (';')) != -1) + encoding = encoding.substring (0, temp); + // ... and any comments after value + if ((temp = encoding.indexOf ('(')) != -1) + encoding = encoding.substring (0, temp); + // ... then whitespace, and any (double) quotes + encoding = encoding.trim (); + if (encoding.charAt (0) == '"') + encoding = encoding.substring (1, encoding.length () - 1); + } else + encoding = defValue; + return encoding; + } + + + /** + * Uses a local dictionary of public identifiers to resolve URIs, + * normally with the goal of minimizing network traffic or latencies. + */ + public InputSource resolveEntity (String publicId, String systemId) + throws IOException, SAXException + { + InputSource retval = null; + String uri; + + if (publicId != null + && ((uri = (String) pubidMapping.get (publicId)) != null)) { + retval = new InputSource (uri); + retval.setPublicId (publicId); + } + + // Could do URN resolution here + + // URL resolution always done by parser + + // FIXME: chain to "next" resolver + + return retval; + } +} |
