| /******************************************************************************* |
| * Copyright (c) 2002 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.xml.core.internal.catalog; |
| |
| import java.io.IOException; |
| import java.net.MalformedURLException; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.wst.common.uriresolver.internal.provisional.URIResolverExtension; |
| import org.eclipse.wst.xml.core.internal.Logger; |
| import org.eclipse.wst.xml.core.internal.XMLCoreMessages; |
| import org.eclipse.wst.xml.core.internal.XMLCorePlugin; |
| import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalog; |
| |
| /** |
| * This class is used to inject the XMLCatalog resolution behaviour into the |
| * Common Extensible URI Resolver. This class is referenced in the XML Catalog |
| * plugin's plugin.xml file. |
| */ |
| public class XMLCatalogURIResolverExtension implements URIResolverExtension |
| { |
| public String resolve(IFile file, String baseLocation, String publicId, String systemId) |
| { |
| // if we have catalog in a project we may add it |
| // to the catalog manager first |
| ICatalog catalog = XMLCorePlugin.getDefault().getDefaultXMLCatalog(); |
| if (catalog == null) |
| { |
| Logger.log(Logger.ERROR_DEBUG, XMLCoreMessages.Catalog_resolution_null_catalog); |
| return null; |
| } |
| String resolved = null; |
| if (systemId != null) |
| { |
| try |
| { |
| resolved = catalog.resolveSystem(systemId); |
| if (resolved == null) |
| { |
| resolved = catalog.resolveURI(systemId); |
| } |
| } |
| catch (MalformedURLException me) |
| { |
| Logger.log(Logger.ERROR_DEBUG, XMLCoreMessages.Catalog_resolution_malformed_url); |
| resolved = null; |
| } |
| catch (IOException ie) |
| { |
| Logger.log(Logger.ERROR_DEBUG, XMLCoreMessages.Catalog_resolution_io_exception); |
| resolved = null; |
| } |
| } |
| if (resolved == null) |
| { |
| if (publicId != null) |
| { |
| // CS : this is a temporary workaround for bug 96772 |
| // |
| // For schemas we always use locations where available and only use |
| // namespace when no location is specified. For XML entities (such as DOCTYPE) |
| // default always utilize the public catalog entry. |
| // |
| // This lame test below roughly discriminate between schema and XML entities. |
| // TODO (bug 103243) remove this lame test once we move to the new URIResolver API |
| // since the new API is explicit about namespace and publicId |
| // |
| if (!(systemId != null && systemId.endsWith(".xsd"))) //$NON-NLS-1$ |
| { |
| try |
| { |
| resolved = catalog.resolvePublic(publicId, systemId); |
| if (resolved == null) |
| { |
| resolved = catalog.resolveURI(publicId); |
| } |
| } |
| catch (MalformedURLException me) |
| { |
| Logger.log(Logger.ERROR_DEBUG, XMLCoreMessages.Catalog_resolution_malformed_url); |
| resolved = null; |
| } |
| catch (IOException ie) |
| { |
| Logger.log(Logger.ERROR_DEBUG, XMLCoreMessages.Catalog_resolution_io_exception); |
| resolved = null; |
| } |
| } |
| } |
| } |
| return resolved; |
| } |
| } |