ClientJsonImpl.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 ClientJsonImpl implements JsonImpl {

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

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

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

    @Override
    public String nullValue() {
        return "JSONNull.getInstance()";
    }

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

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

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

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

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

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

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

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

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

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

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

    @Override
    public void iterateObject(String indent, PrintWriter out, String objectName, PropertyHandler handler) {
        String keyName = objectName + "k";
        out.println(indent + String.format("for(String %1$s : %2$s.keySet()) {", keyName, objectName));
        handler.handle(keyName, String.format("%1$s.get(%2$s)", objectName, keyName));
        out.println(indent + "}");
    }

    @Override
    public String isNull(String jsonValName) {
        return jsonValName + ".isNull() != null";
    }

    @Override
    public void writeImports(PrintWriter out) {
        out.println("import com.google.gwt.json.client.JSONParser;");
        out.println("import com.google.gwt.json.client.JSONObject;");
        out.println("import com.google.gwt.json.client.JSONArray;");
        out.println("import com.google.gwt.json.client.JSONString;");
        out.println("import com.google.gwt.json.client.JSONNumber;");
        out.println("import com.google.gwt.json.client.JSONBoolean;");
        out.println("import com.google.gwt.json.client.JSONValue;");
        out.println("import com.google.gwt.json.client.JSONNull;");
    }
}