How to set catalog prefer as public in vscode setting?

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/extensions/catalog/XMLCatalogPlugin.java

@@ -14,6 +14,7 @@
 
 import java.nio.file.Files;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -45,7 +46,8 @@ public XMLCatalogPlugin() {
 	@Override
 	public void doSave(ISaveContext context) {
 		Object initializationOptionsSettings = context.getSettings();
-		ContentModelSettings cmSettings = ContentModelSettings.getContentModelXMLSettings(initializationOptionsSettings);
+		ContentModelSettings cmSettings = ContentModelSettings
+				.getContentModelXMLSettings(initializationOptionsSettings);
 		if (cmSettings == null) {
 			return;
 		}
@@ -73,10 +75,10 @@ private void validateCatalogPaths(ContentModelSettings cmSettings) {
 			return; // happen when notification service is not available
 		}
 		String[] catalogs = cmSettings.getCatalogs();
-		Set<String> invalidCatalogs = Arrays.stream(catalogs).filter(c -> {
+		Set<String> invalidCatalogs = catalogs != null ? Arrays.stream(catalogs).filter(c -> {
 			return Files.notExists(FilesUtils.getPath(c));
-		}).collect(Collectors.toSet());
-		
+		}).collect(Collectors.toSet()) : Collections.emptySet();
+
 		if (invalidCatalogs.size() > 0) {
 			this.pathWarner.onInvalidFilePath(invalidCatalogs, PathFeature.CATALOGS);
 		} else {

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/extensions/contentmodel/ContentModelPlugin.java

@@ -104,7 +104,8 @@ private void updateSettings(ISaveContext saveContext) {
 	private void updateSettings(ContentModelSettings settings, ISaveContext context) {
 		if (settings.getCatalogs() != null) {
 			// Update XML catalog settings
-			boolean catalogPathsChanged = contentModelManager.setCatalogs(settings.getCatalogs());
+			boolean catalogPathsChanged = contentModelManager.setCatalogs(settings.getCatalogs(),
+					settings.getCatalog().isPreferPublic(), settings.getCatalog().isUseLiteralSystemId());
 			if (catalogPathsChanged) {
 				// Validate all opened XML files
 				context.collectDocumentToValidate(d -> {
@@ -165,9 +166,9 @@ public void stop(XMLExtensionsRegistry registry) {
 	public ContentModelSettings getContentModelSettings() {
 		return cmSettings;
 	}
-	
+
 	public ContentModelManager getContentModelManager() {
 		return contentModelManager;
 	}
-	
+
 }

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/extensions/contentmodel/model/ContentModelManager.java

@@ -263,8 +263,8 @@ public ContentModelProvider getModelProviderByURI(String uri) {
 	 * @param catalogs list of XML catalog files.
 	 * @return true if catalogs changed and false otherwise
 	 */
-	public boolean setCatalogs(String[] catalogs) {
-		return catalogResolverExtension.setCatalogs(catalogs);
+	public boolean setCatalogs(String[] catalogs, boolean preferPublic, boolean useLiteralSystemId) {
+		return catalogResolverExtension.setCatalogs(catalogs, preferPublic, useLiteralSystemId);
 	}
 
 	/**

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/extensions/contentmodel/settings/ContentModelSettings.java

@@ -24,6 +24,8 @@ public class ContentModelSettings {
 
 	private String[] catalogs = null;
 
+	private XMLCatalogSettings catalog;
+
 	private XMLFileAssociation[] fileAssociations;
 
 	private XMLValidationSettings validation;
@@ -54,6 +56,7 @@ public void setUseCache(Boolean useCache) {
 	 *
 	 * @param catalogs
 	 */
+	@Deprecated
 	public void setCatalogs(String[] catalogs) {
 		this.catalogs = catalogs;
 	}
@@ -64,7 +67,13 @@ public void setCatalogs(String[] catalogs) {
 	 * @return the list of the XML catalogs file path.
 	 */
 	public String[] getCatalogs() {
-		return catalogs == null ? new String[0] : catalogs;
+		XMLCatalogSettings catalog = getCatalog();
+		if (catalog != null) {
+			if (catalog.getFiles() != null) {
+				return catalog.getFiles();
+			}
+		}
+		return catalogs;
 	}
 
 	public void setFileAssociations(XMLFileAssociation[] fileAssociations) {
@@ -94,4 +103,11 @@ public XMLValidationSettings getValidation() {
 		return validation;
 	}
 
+	public XMLCatalogSettings getCatalog() {
+		return catalog != null ? catalog : XMLCatalogSettings.DEFAULT_CATALOG;
+	}
+
+	public void setCatalog(XMLCatalogSettings catalog) {
+		this.catalog = catalog;
+	}
 }

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/extensions/contentmodel/settings/XMLCatalogSettings.java

@@ -0,0 +1,67 @@
+/*******************************************************************************
+* Copyright (c) 2020 Red Hat Inc. and others.
+* All rights reserved. This program and the accompanying materials
+* which accompanies this distribution, and is available at
+* http://www.eclipse.org/legal/epl-v20.html
+*
+* SPDX-License-Identifier: EPL-2.0
+*
+* Contributors:
+*     Red Hat Inc. - initial API and implementation
+*******************************************************************************/
+package org.eclipse.lemminx.extensions.contentmodel.settings;
+
+/**
+ * XML catalog settings.
+ *
+ */
+public class XMLCatalogSettings {
+
+	public static String DEFAULT_PREFER_PUBLIC = "public";
+
+	public static boolean DEFAULT_USE_PREFER_PUBLIC = true;
+
+	public static boolean DEFAULT_USE_LITERAL_SYSTEM_ID = true;
+
+	public static final XMLCatalogSettings DEFAULT_CATALOG = new XMLCatalogSettings();
+
+	private String prefer;
+
+	private String[] files = null;
+
+	private boolean useLiteralSystemId;
+
+	public XMLCatalogSettings() {
+		setPrefer(DEFAULT_PREFER_PUBLIC);
+		setUseLiteralSystemId(DEFAULT_USE_LITERAL_SYSTEM_ID);
+	}
+
+	public String getPrefer() {
+		return prefer;
+	}
+
+	public void setPrefer(String prefer) {
+		this.prefer = prefer;
+	}
+
+	public boolean isPreferPublic() {
+		return DEFAULT_PREFER_PUBLIC.equals(getPrefer());
+	}
+
+	public String[] getFiles() {
+		return files;
+	}
+
+	public void setFiles(String[] files) {
+		this.files = files;
+	}
+
+	public boolean isUseLiteralSystemId() {
+		return useLiteralSystemId;
+	}
+
+	public void setUseLiteralSystemId(boolean useLiteralSystemId) {
+		this.useLiteralSystemId = useLiteralSystemId;
+	}
+
+}

org.eclipse.lemminx/src/main/java/org/eclipse/lemminx/extensions/contentmodel/uriresolver/XMLCatalogResolverExtension.java

@@ -25,6 +25,7 @@
 import org.apache.xerces.xni.XMLResourceIdentifier;
 import org.apache.xerces.xni.XNIException;
 import org.apache.xerces.xni.parser.XMLInputSource;
+import org.eclipse.lemminx.extensions.contentmodel.settings.XMLCatalogSettings;
 import org.eclipse.lemminx.uriresolver.URIResolverExtension;
 import org.eclipse.lemminx.utils.FilesUtils;
 
@@ -95,17 +96,23 @@ public void setRootUri(String rootUri) {
 	/**
 	 * Initialize catalogs path.
 	 * 
-	 * @param catalogs the catalog path array.
+	 * @param catalogs           the catalog path array.
+	 * @param preferPublic
+	 * @param useLiteralSystemId
 	 * @return true if catalogs changed and false otherwise
 	 */
-	public boolean setCatalogs(String[] catalogs) {
+	public boolean setCatalogs(String[] catalogs, boolean preferPublic, boolean useLiteralSystemId) {
 		String[] oldCatalogs = catalogResolver != null ? catalogResolver.getCatalogList() : null;
+		boolean oldPreferPublic = catalogResolver != null ? catalogResolver.getPreferPublic()
+				: XMLCatalogSettings.DEFAULT_USE_PREFER_PUBLIC;
+		boolean oldUseLiteralSystemId = catalogResolver != null ? catalogResolver.getUseLiteralSystemId()
+				: XMLCatalogSettings.DEFAULT_USE_LITERAL_SYSTEM_ID;
 		if (catalogs != null) {
 			List<String> xmlCatalogFiles = new ArrayList<>();
 			for (String catalogPath : catalogs) {
 				// resolve catalog file path with root uri
 				String fullPath = expandSystemId(catalogPath);
-				
+
 				if (Files.exists(FilesUtils.getPath(fullPath))) {
 					xmlCatalogFiles.add(fullPath);
 					LOGGER.info("Adding XML catalog '" + catalogPath + "' with expand system id '" + fullPath
@@ -117,6 +124,8 @@ public boolean setCatalogs(String[] catalogs) {
 			}
 			if (xmlCatalogFiles.size() > 0) {
 				XMLCatalogResolver catalogResolver = new XMLCatalogResolver(xmlCatalogFiles.toArray(new String[0]));
+				catalogResolver.setPreferPublic(preferPublic);
+				catalogResolver.setUseLiteralSystemId(useLiteralSystemId);
 				setCatalogResolver(catalogResolver);
 			} else {
 				setCatalogResolver(null);
@@ -125,7 +134,8 @@ public boolean setCatalogs(String[] catalogs) {
 			setCatalogResolver(null);
 		}
 		String[] newCatalogs = catalogResolver != null ? catalogResolver.getCatalogList() : null;
-		return !Objects.equals(oldCatalogs, newCatalogs);
+		return !Objects.equals(oldCatalogs, newCatalogs) || catalogResolver.getPreferPublic() != oldPreferPublic
+				|| catalogResolver.getUseLiteralSystemId() != oldUseLiteralSystemId;
 	}
 
 	private String expandSystemId(String path) {
@@ -145,7 +155,8 @@ private void setCatalogResolver(XMLCatalogResolver catalogResolver) {
 	 */
 	public void refreshCatalogs() {
 		if (catalogResolver != null) {
-			setCatalogs(catalogResolver.getCatalogList());
+			setCatalogs(catalogResolver.getCatalogList(), catalogResolver.getPreferPublic(),
+					catalogResolver.getUseLiteralSystemId());
 		}
 	}
 }

org.eclipse.lemminx/src/test/java/org/eclipse/lemminx/extensions/contentmodel/XMLSchemaPublishDiagnosticsTest.java

@@ -113,7 +113,7 @@ public void schemaWithUrlInvalidPathWithNamespace() throws Exception {
 				"";
 		XMLAssert.testPublishDiagnosticsFor(xml, fileURI, configuration, pd(fileURI, //
 				new Diagnostic(r(2, 20, 2, 40),
-				"SchemaLocation: schemaLocation value = 'http://invoice.xsd' must have even number of URI's.",
+						"SchemaLocation: schemaLocation value = 'http://invoice.xsd' must have even number of URI's.",
 						DiagnosticSeverity.Warning, "xml", "SchemaLocation"), //
 				new Diagnostic(r(1, 1, 1, 8), "cvc-elt.1.a: Cannot find the declaration of element 'invoice'.",
 						DiagnosticSeverity.Error, "xml", "cvc-elt.1.a")));
@@ -145,8 +145,10 @@ public void schemaWithUrlWithCache() throws Exception {
 				pd(fileURI,
 						new Diagnostic(r(1, 1, 1, 8), "The resource 'http://invoice.xsd' is downloading.",
 								DiagnosticSeverity.Information, "XML")),
-				pd(fileURI, new Diagnostic(r(1, 1, 1, 8), "Error while downloading 'http://invoice.xsd' to "+expectedLocation+".",
-						DiagnosticSeverity.Error, "XML")));
+				pd(fileURI,
+						new Diagnostic(r(1, 1, 1, 8),
+								"Error while downloading 'http://invoice.xsd' to " + expectedLocation + ".",
+								DiagnosticSeverity.Error, "XML")));
 	}
 
 	@Test
@@ -163,7 +165,7 @@ public void schemaWithUrlWithCacheAndWithCatalog() throws Exception {
 			contentModelManager.setUseCache(true);
 			// use catalog which defines bind src/test/xsd/invoice.xsd with
 			// http://invoice.xsd namespace
-			contentModelManager.setCatalogs(new String[] { "src/test/resources/catalogs/catalog.xml" });
+			contentModelManager.setCatalogs(new String[] { "src/test/resources/catalogs/catalog.xml" }, true, true);
 		};
 
 		String fileURI = "test.xml";
@@ -184,7 +186,7 @@ public void schemaWithUrlWithCacheAndWithCatalog() throws Exception {
 
 		XMLAssert.testPublishDiagnosticsFor(xml, fileURI, configuration, pd(fileURI, //
 				new Diagnostic(r(3, 8, 3, 26),
-				"Content of type 'date' is expected.\n\nThe following content is not a valid type:\n '2017-11-30_INVALID'\n\nCode:",
+						"Content of type 'date' is expected.\n\nThe following content is not a valid type:\n '2017-11-30_INVALID'\n\nCode:",
 						DiagnosticSeverity.Error, "xml", XMLSchemaErrorCode.cvc_datatype_valid_1_2_1.getCode()), //
 				new Diagnostic(r(3, 8, 3, 26),
 						"cvc-type.3.1.3: The value '2017-11-30_INVALID' of element 'date' is not valid.",
@@ -208,7 +210,7 @@ public void schemaWithUrlWithoutCacheAndWithCatalog() throws Exception {
 			contentModelManager.setUseCache(false);
 			// use catalog which defines bind src/test/xsd/invoice.xsd with
 			// http://invoice.xsd namespace
-			contentModelManager.setCatalogs(new String[] { "src/test/resources/catalogs/catalog.xml" });
+			contentModelManager.setCatalogs(new String[] { "src/test/resources/catalogs/catalog.xml" }, true, true);
 		};
 		String fileURI = "test.xml";
 		String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n" + //