65 lines
1.9 KiB
Java
65 lines
1.9 KiB
Java
package de.bitsharesmunich.graphenej;
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import com.google.gson.Gson;
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import com.google.gson.JsonElement;
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import de.bitsharesmunich.graphenej.interfaces.JsonSerializable;
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import org.bitcoinj.core.Base58;
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/**
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* Class used to handle invoice generation, compression and QR-Code data derivation,
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* as detailed in <a href="http://docs.bitshares.eu/integration/merchants/merchant-protocol.html">this</> link.
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* @author Nelson R. Pérez
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*/
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public class Invoice implements JsonSerializable {
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public static class LineItem {
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private String label;
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private int quantity;
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private String price;
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public LineItem(String label, int quantity, String price){
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this.label = label;
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this.quantity = quantity;
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this.price = price;
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}
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}
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private String to;
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private String to_label;
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private String memo;
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private String currency;
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private LineItem[] line_items;
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private String note;
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private String callback;
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public Invoice(String to, String to_label, String memo, String currency, LineItem[] items, String note, String callback){
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this.to = to;
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this.to_label = to_label;
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this.memo = memo;
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this.currency = currency;
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this.line_items = items;
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this.note = note;
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this.callback = callback;
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}
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@Override
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public String toJsonString() {
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Gson gson = new Gson();
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return gson.toJson(this);
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}
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@Override
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public JsonElement toJsonObject() {
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return null;
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}
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public static String toQrCode(Invoice invoice){
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String json = invoice.toJsonString();
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return Base58.encode(Util.compress(json.getBytes(), Util.LZMA));
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}
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public static Invoice fromQrCode(String encoded){
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String json = new String(Util.decompress(Base58.decode(encoded), Util.LZMA));
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Gson gson = new Gson();
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return gson.fromJson(json, Invoice.class);
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}
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}
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