/*******************************************************************************
* Copyright (c) 2017 Red Hat.
* 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:
* Red Hat - Initial Contribution
*******************************************************************************/
package org.eclipse.che.api.languageserver.util;
import com.google.gwt.json.client.JSONValue;
import org.eclipse.che.api.languageserver.shared.util.JsonDecision;
import org.eclipse.lsp4j.jsonrpc.messages.Either;
/**
* Code to be called by generated DTO classes to determine whether a json
* element matches the kind of expected type in an {@link Either} field.
*
* @author Thomas Mäder
*/
public class EitherUtil {
public static boolean matches(JSONValue element, JsonDecision[] classes) {
for (JsonDecision cls : classes) {
if (matches(element, cls)) {
return true;
}
}
return false;
}
private static boolean matches(JSONValue element, JsonDecision decision) {
if (decision == JsonDecision.LIST) {
return element.isArray() != null;
}
if (decision == JsonDecision.BOOLEAN) {
return element.isBoolean() != null;
}
if (decision == JsonDecision.NUMBER) {
return element.isNumber() != null;
}
if (decision == JsonDecision.STRING) {
return element.isString() != null;
}
return element.isObject() != null;
}
}