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authortromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>2005-02-02 00:42:32 +0000
committertromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>2005-02-02 00:42:32 +0000
commit795e6e36d7ac5de19f2eddace76e1036519860e5 (patch)
treed6f5216c5e8b86e821ab50a8cb46c7eec16e0a52 /libjava/gnu/xml/util/Resolver.java
parentdeac3726d786d71a31243f1348e467cb0251a522 (diff)
downloadgcc-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.java263
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;
+ }
+}