Add workspace/configuration for Yaml Language Server

Yaml LS requires it to be properly configured, or it fails are many
things (eg retrieving schemas)

Author: mickaelistria

org.eclipse.wildwebdeveloper.tests/build.properties

@@ -1,7 +1,7 @@
-source.. = src/,\
-           resources/
+source.. = src/
 output.. = bin/
 bin.includes = META-INF/,\
                testProjects/,\
+               resources/,\
                .,\
                plugin.xml

org.eclipse.wildwebdeveloper.tests/plugin.xml

@@ -9,7 +9,7 @@
       </schema>
       <schema
             pattern="depp.yml"
-            url="platform:/plugin/org.eclipse.wildwebdeveloper.tests/dependabot.json">
+            url="platform:/plugin/org.eclipse.wildwebdeveloper.tests/resources/dependabot.json">
       </schema>
    </extension>
 </plugin>

org.eclipse.wildwebdeveloper/.gitignore

@@ -2,4 +2,5 @@ target/
 bin/
 language-servers/
 node_modules/
+package.json
 package-lock.json

org.eclipse.wildwebdeveloper/plugin.xml

@@ -485,6 +485,7 @@
          point="org.eclipse.lsp4e.languageServer">
       <server
             class="org.eclipse.wildwebdeveloper.yaml.YAMLLanguageServer"
+            clientImpl="org.eclipse.wildwebdeveloper.yaml.YamlLanguageClientImpl"
             id="org.eclipse.wildwebdeveloper.yaml"
             label="YAML Language Server (VSCode)"
             singleton="true">

org.eclipse.wildwebdeveloper/pom.xml

@@ -151,13 +151,6 @@
 								<arg>${project.build.directory}/vscode-css-languageserver-1.0.0.tgz</arg>
 								<arg>${project.build.directory}/vscode-html-languageserver-1.0.0.tgz</arg>
 								<arg>${project.build.directory}/vscode-json-languageserver-1.3.4.tgz</arg>
-								<!-- 
-									A try to update yaml-language-server to any version up to v.0.22.0
-									breaks the validation (error markers aren't set on resources): 
-									Failures: 
-										TestYaml.testSchemaExtensionPoint:91->testErrorFile:85 expected: <true> but was: <false>
-										TestYaml.testSchemaExtensionPointUsingPlatformURL:96->testErrorFile:85 expected: <true> but was: <false>
-								-->
 								<arg>[email protected]</arg>
 								<arg>[email protected]</arg>
 								<arg>${project.build.directory}/debugger-for-chrome-4.12.12.tgz</arg>

org.eclipse.wildwebdeveloper/src/org/eclipse/wildwebdeveloper/yaml/YAMLLanguageServer.java

@@ -102,12 +102,13 @@ public void handleMessage(Message message, LanguageServer languageServer, URI ro
 		}
 	}
 
-	private static Map<String, Object> getYamlConfigurationOptions() {
+	static Map<String, Object> getYamlConfigurationOptions() {
 		Map<String, Object> yaml = new HashMap<>();
 		yaml.put(SCHEMAS_KEY, getSchemaAssociations());
 		yaml.put(VALIDATE_KEY, true);
 		yaml.put(COMPLETION_KEY, true);
 		yaml.put(HOVER_KEY, true);
+		yaml.put("schemaStore.enable", true);
 		return yaml;
 	}
 

org.eclipse.wildwebdeveloper/src/org/eclipse/wildwebdeveloper/yaml/YamlLanguageClientImpl.java

@@ -0,0 +1,24 @@
+/*******************************************************************************
+ * Copyright (c) 2019 Red Hat Inc. and others.
+ *
+ * This program and the accompanying materials are made
+ * available under the terms of the Eclipse Public License 2.0
+ * which is available at https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+package org.eclipse.wildwebdeveloper.yaml;
+
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+
+import org.eclipse.lsp4e.LanguageClientImpl;
+import org.eclipse.lsp4j.ConfigurationParams;
+
+public class YamlLanguageClientImpl extends LanguageClientImpl {
+
+	@Override
+	public CompletableFuture<List<Object>> configuration(ConfigurationParams configurationParams) {
+		return CompletableFuture.completedFuture(List.of(YAMLLanguageServer.getYamlConfigurationOptions()));
+	}
+}