StellarTransactionHistory.java

package jstellarapi.core;

import java.util.ArrayList;

import jstellarapi.connection.JSONSerializable;
import jstellarapi.serialization.StellarBinaryObject;
import jstellarapi.serialization.StellarBinarySerializer;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;

public class StellarTransactionHistory implements JSONSerializable {
	ArrayList<StellarTransaction> txHistory = new ArrayList<StellarTransaction>();

	@Override
	public void copyFrom(JSONObject jsonCommandResult) {
		StellarBinarySerializer ser = new StellarBinarySerializer();
		JSONArray transactions = (JSONArray) jsonCommandResult.get("transactions");
		for (int i = 0; i < transactions.size(); i++) {
			JSONObject txJSON = (JSONObject) transactions.get(i);
			String txHexBlob = (String) txJSON.get("tx_blob");
			if (txHexBlob != null) {
				StellarBinaryObject rbo = ser.readBinaryObject(txHexBlob);
				StellarTransaction txObject = StellarTransaction.createFromRBO(rbo);
				long ledgerIndex = (long) txJSON.get("ledger_index");
				txObject.setLedgerIndex(ledgerIndex);
				txHistory.add(txObject);
			}else{
				JSONObject tx = (JSONObject) txJSON.get("tx");
				String tx_type = tx.get("TransactionType").toString();
				StellarTransaction txObject = new StellarTransaction();
				if(tx_type.equals("Payment")){
					StellarPaymentTransaction spt = new StellarPaymentTransaction(tx);
					txObject = spt;
				}
				long ledgerIndex = (long) tx.get("ledger_index");
				txObject.setLedgerIndex(ledgerIndex);
				txHistory.add(txObject);
			}
		}
	}

	public void filterInPaymentsOnly() {
		ArrayList<StellarTransaction> txPaymentHistory = new ArrayList<StellarTransaction>(size());
		for (StellarTransaction tx : txHistory) {
			if (tx instanceof StellarPaymentTransaction) {
				txPaymentHistory.add(tx);
			}
		}
		txHistory = txPaymentHistory;
	}

	public int size() {
		return txHistory.size();
	}

	public StellarTransaction get(int i) {
		return txHistory.get(i);
	}

}