converter/app/converterregistry.service.ts

import {Injectable} from "@angular/core";
import {Converter} from "./converter/converter";
import {Base64Encoder} from "./converter/base64encoder";
import {Base64Decoder} from "./converter/base64decoder";
import {URIEncoder} from "./converter/uriencoder";
import {URIDecoder} from "./converter/uridecoder";
import {URIComponentEncoder} from "./converter/uricomponentencoder";
import {URIComponentDecoder} from "./converter/uricomponentdecoder";
import {HTMLEntitiesEncoder} from "./converter/htmlentitiesencoder";
import {HTMLEntitiesDecoder} from "./converter/htmlentitiesdecoder";
import {DecToHexConverter} from "./converter/dectohexconverter";
import {HexToDecConverter} from "./converter/hextodecconverter";
import {DecToBinConverter} from "./converter/dectobinconverter";
import {BinToDecConverter} from "./converter/bintodecconverter";
import {QuotedPrintableDecoder} from "./converter/quotedprintabledecoder";
import {QuotedPrintableEncoder} from "./converter/quotedprintableencoder";
import {NativeLibraryWrapperService} from "./nativelibrarywrapper.service";

@Injectable()
export class ConverterRegistryService {
    private converters:Converter[] = [];

    constructor(private wrapper:NativeLibraryWrapperService) {
        this.init();
    }

    public getAllConverters():Converter[] {
        return this.converters;
    }

    public getConverter(id:string):Converter {
        for (let i = 0; i < this.converters.length; i++) {
            if (this.converters[i].getId() == id) {
                return this.converters[i];
            }
        }
        return undefined;
    }

    private init():void {
        this.registerConverter(new Base64Encoder());
        this.registerConverter(new Base64Decoder());
        this.registerConverter(new URIEncoder());
        this.registerConverter(new URIDecoder());
        this.registerConverter(new URIComponentEncoder());
        this.registerConverter(new URIComponentDecoder());
        this.registerConverter(new HTMLEntitiesEncoder());
        this.registerConverter(new HTMLEntitiesDecoder());
        this.registerConverter(new DecToHexConverter());
        this.registerConverter(new HexToDecConverter());
        this.registerConverter(new DecToBinConverter());
        this.registerConverter(new BinToDecConverter());
        this.registerConverter(new QuotedPrintableEncoder(this.wrapper));
        this.registerConverter(new QuotedPrintableDecoder(this.wrapper));
    }

    private registerConverter(converter:Converter):void {
        this.converters.forEach((c:Converter) => {
            if (c.getId() == converter.getId()) {
                throw new Error("Converter-ID " + converter.getId() + " is already registered!");
            }
        });
        this.converters.push(converter);
    }
}