diff options
-rw-r--r-- | org/madore/damlengine/DamlEngine.java | 53 | ||||
-rw-r--r-- | org/madore/damlengine/Resolver.java | 151 |
2 files changed, 204 insertions, 0 deletions
diff --git a/org/madore/damlengine/DamlEngine.java b/org/madore/damlengine/DamlEngine.java new file mode 100644 index 0000000..8571319 --- /dev/null +++ b/org/madore/damlengine/DamlEngine.java @@ -0,0 +1,53 @@ +package org.madore.damlengine; + +import org.w3c.dom.DOMImplementation; +import org.w3c.dom.ls.DOMImplementationLS; +import org.w3c.dom.ls.LSParser; +import org.w3c.dom.ls.LSSerializer; +import org.w3c.dom.ls.LSInput; +import org.w3c.dom.ls.LSOutput; +import org.w3c.dom.Document; +import org.apache.xerces.dom.DOMImplementationSourceImpl; + +public final class DamlEngine { + + private static Document doc; + + private DamlEngine() { } // Forbid instantiation + + public static void processDocument() { + // ... + } + + public static void main(String[] args) { + + final Resolver resolver = new Resolver(); + final DOMImplementationSourceImpl source + = new DOMImplementationSourceImpl(); + final DOMImplementation impl + = source.getDOMImplementation("XML 3.0 Core 3.0 LS 3.0"); + final DOMImplementationLS implLS = (DOMImplementationLS)impl; + final LSParser parser + = implLS.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS, + null); + parser.getDomConfig().setParameter("resource-resolver", resolver); + final LSSerializer writer = implLS.createLSSerializer(); + + if ( args.length == 0 ) { + System.err.println("expecting filename as argument"); + } + + for (String fname : args) { + final LSInput in = implLS.createLSInput(); + in.setSystemId(fname); + doc = parser.parse(in); + processDocument(); + final LSOutput out = implLS.createLSOutput(); + out.setByteStream(System.out); + writer.write(doc, out); + System.out.println(""); + } + + } + +} diff --git a/org/madore/damlengine/Resolver.java b/org/madore/damlengine/Resolver.java new file mode 100644 index 0000000..80f8afb --- /dev/null +++ b/org/madore/damlengine/Resolver.java @@ -0,0 +1,151 @@ +package org.madore.damlengine; + +import java.io.IOException; +import java.net.URI; +import java.net.URISyntaxException; +import java.net.MalformedURLException; +import javax.xml.parsers.SAXParserFactory; +import org.w3c.dom.ls.LSResourceResolver; +import org.w3c.dom.ls.LSInput; +import org.xml.sax.SAXException; +import org.xml.sax.EntityResolver; +import org.xml.sax.ext.EntityResolver2; +import org.xml.sax.InputSource; +import org.apache.xml.resolver.CatalogManager; +import org.apache.xml.resolver.Catalog; +import org.apache.xml.resolver.readers.SAXCatalogReader; +import org.apache.xml.resolver.readers.OASISXMLCatalogReader; +import org.apache.xerces.dom.DOMInputImpl; +import org.apache.xerces.jaxp.SAXParserFactoryImpl; + +public final class Resolver + implements LSResourceResolver, EntityResolver, EntityResolver2 { + + private static final String catalogFiles[] = { "/etc/xml/catalog" }; + + private CatalogManager catalogManager = null; + private Catalog catalog = null; + + public static final class BootstrapResolver + extends org.apache.xml.resolver.helpers.BootstrapResolver { + public InputSource resolveEntity(String publicId, String systemId) { + String resolved = null; + if ( publicId.equals("-//GlobalTransCorp//DTD XML Catalogs " + +"V1.0-Based Extension V1.0//EN") ) { + resolved + = "file:///usr/share/xml/schema/xml-core/tr9401.dtd"; + } + if ( resolved != null ) { + InputSource source = new InputSource(resolved); + source.setPublicId(publicId); + return source; + } + return super.resolveEntity(publicId, systemId); + } + } + + public Resolver() { + catalogManager = new CatalogManager(); + // catalogManager.setVerbosity(42); + catalogManager.setPreferPublic(true); + catalogManager.setRelativeCatalogs(false); + catalogManager.setBootstrapResolver(new BootstrapResolver()); + catalog = new Catalog(catalogManager); + SAXParserFactory spf = new SAXParserFactoryImpl(); + spf.setNamespaceAware(true); + spf.setValidating(false); + SAXCatalogReader saxReader = new SAXCatalogReader(spf); + saxReader.setCatalogParser(OASISXMLCatalogReader.namespaceName, + "catalog", + "org.apache.xml.resolver.readers." + +"OASISXMLCatalogReader"); + catalog.addReader("application/xml", saxReader); + for ( String f : catalogFiles ) { + try { + catalog.parseCatalog(f); + } catch (MalformedURLException e) { + } catch (IOException e) { + } + } + } + + public String resolvePublic(String publicId, String systemId) { + try { + return catalog.resolvePublic(publicId, systemId); + } catch (MalformedURLException e) { + return null; + } catch (IOException e) { + return null; + } + } + + public String resolveSystem(String systemId) { + try { + return catalog.resolveSystem(systemId); + } catch (MalformedURLException e) { + return null; + } catch (IOException e) { + return null; + } + } + + protected String resolve(String namespaceURI, + String publicId, + String systemId, + String baseURI) { + String resolved; + if ( publicId != null ) + resolved = resolvePublic(publicId, systemId); + else + resolved = resolveSystem(systemId); + if ( resolved != null ) + return resolved; + if ( baseURI != null ) { + try { + URI u = new URI(baseURI); + URI v = u.resolve(systemId); + return v.toString(); + } catch ( URISyntaxException e ) { + } + } + return systemId; + } + + // Interface LSResourceResolver + + public LSInput resolveResource(String type, + String namespaceURI, + String publicId, + String systemId, + String baseURI) { + String resolved = resolve(namespaceURI, publicId, systemId, baseURI); + return new DOMInputImpl(publicId, resolved, baseURI); + } + + // Interface EntityResolver + + public InputSource resolveEntity(String publicId, String systemId) + throws SAXException { + String resolved = resolve(null, publicId, systemId, null); + InputSource source = new InputSource(resolved); + source.setPublicId(publicId); + return source; + } + + // Interface EntityResolver2 + + public InputSource resolveEntity(String name, String publicId, + String baseURI, String systemId) + throws SAXException { + String resolved = resolve(null, publicId, systemId, baseURI); + InputSource source = new InputSource(resolved); + source.setPublicId(publicId); + return source; + } + + public InputSource getExternalSubset(String name, + String baseURI) { + return null; + } + +} |