/** * Copyright 2011 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.google.devcoin.core; import java.math.BigInteger; import java.util.List; /** * Convenience implementation of {@link WalletEventListener}. */ public abstract class AbstractWalletEventListener implements WalletEventListener { @Override public void onCoinsReceived(Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance) { onChange(); } @Override public void onCoinsSent(Wallet wallet, Transaction tx, BigInteger prevBalance, BigInteger newBalance) { onChange(); } @Override public void onReorganize(Wallet wallet) { onChange(); } @Override public void onTransactionConfidenceChanged(Wallet wallet, Transaction tx) { onChange(); } @Override public void onKeysAdded(Wallet wallet, List<ECKey> keys) { onChange(); } @Override public void onWalletChanged(Wallet wallet) { onChange(); } public void onChange() { } }