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/**
 * This file is part of ObjectFabric (http://objectfabric.org).
 *
 * ObjectFabric is licensed under the Apache License, Version 2.0, the terms
 * of which may be found at http://www.apache.org/licenses/LICENSE-2.0.html.
 * 
 * Copyright ObjectFabric Inc.
 * 
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

package org.objectfabric;

import java.lang.reflect.Method;

abstract class FileGenerator {

    static {
        JVMPlatform.loadClass();
    }

    final String Path;

    final String Name;

    final String Package;

    private final GeneratorBase _generator;

    private String _tab = "";

    FileGenerator(GeneratorBase generator, String packag, String name) {
        _generator = generator;

        Package = packag;
        Name = name;

        String path = generator.folder();

        if (generator.isJava())
            path += "/" + packag.replace('.', '/');

        Path = path + "/" + name + generator.target().extension();
    }

    final GeneratorBase g() {
        return _generator;
    }

    void copyright() {
        if (g().copyright() != null)
            wl(g().copyright());
    }

    void warning() {
        wl("//==============================================================================");
        wl("//                                                                              ");
        wl("//  THIS FILE HAS BEEN GENERATED BY OBJECTFABRIC                                ");
        wl("//                                                                              ");
        wl("//==============================================================================");
        wl();
    }

    void header() {
    }

    void body() {
    }

    void footer() {
    }

    void generate() {
        header();
        body();
        footer();
    }

    void wl() {
        _generator.append(Platform.get().lineSeparator());
    }

    void wl(String line) {
        line = onLine(line);
        _generator.append(_tab + line + Platform.get().lineSeparator());
    }

    String onLine(String line) {
        return line;
    }

    void write(StringBuilder sb) {
        _generator.append(sb);
    }

    void tab() {
        _tab += "    ";
    }

    void untab() {
        _tab = _tab.substring(4);
    }

    String getReturned(Method method) {
        if (method.getReturnType().isArray())
            return method.getReturnType().getComponentType().getName() + "[]";

        return method.getReturnType().getName();
    }

    String addParameterTypeString(Class type, String current) {
        if (current.length() > 0)
            current += ", ";

        if (type.isArray())
            current += type.getComponentType().getName() + "[]";
        else
            current += type.getName();

        return current;
    }
}