ServerJsonImpl.java

/*******************************************************************************
 * 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.generator;

import java.io.PrintWriter;

public class ServerJsonImpl implements JsonImpl {

    @Override
    public String element() {
        return "JsonElement";
    }

    @Override
    public String object() {
        return "JsonObject";
    }

    @Override
    public String array() {
        return "JsonArray";
    }

    @Override
    public String nullValue() {
        return "JsonNull.INSTANCE";
    }

    @Override
    public Object string() {
        return "JsonPrimitive";
    }

    @Override
    public Object number() {
        return "JsonPrimitive";
    }

    @Override
    public String boolValue(String value) {
        return String.format("new JsonPrimitive(%1$s)", value);
    }

    @Override
    public Object objectValue(String value) {
        return String.format("%1$s.getAsJsonObject()", value);
    }

    @Override
    public String arrayValue(String valueName) {
        return String.format("%1$s.getAsJsonArray()", valueName);
    }

    @Override
    public String asBoolean(String valueName) {
        return String.format("%1$s.getAsBoolean()", valueName);
    }

    @Override
    public String asDouble(String valueName) {
        return String.format("%1$s.getAsDouble()", valueName);
    }

    @Override
    public String asString(String valueName) {
        return String.format("%1$s.getAsString()", valueName);
    }

    @Override
    public String parse(String valueName) {
        return String.format("new JsonParser().parse(%1$s)", valueName);
    }

    @Override
    public String put() {
        return "add";
    }

    public String add(String arrayName, String valueName) {
        return String.format("%1$s.add(%2$s);", arrayName, valueName);
    }


    @Override
    public void iterateObject(String indent, PrintWriter out, String objectName, PropertyHandler handler) {
        String entryName = objectName + "e";
        out.println(indent + String.format("for(Entry<String, JsonElement> %1$s : %2$s.entrySet()) {", entryName, objectName));
        handler.handle(String.format("%1$s.getKey()", entryName), String.format("%1$s.getValue()", entryName));
        out.println(indent + "}");
    }

    @Override
    public String isNull(String jsonValName) {
        return jsonValName + ".isJsonNull()";
    }


    @Override
    public void writeImports(PrintWriter out) {
        out.println("import com.google.gson.JsonParser;");
        out.println("import com.google.gson.JsonObject;");
        out.println("import com.google.gson.JsonArray;");
        out.println("import com.google.gson.JsonPrimitive;");
        out.println("import com.google.gson.JsonElement;");
        out.println("import com.google.gson.JsonNull;");
    }
}