diff options
Diffstat (limited to 'sca-java-1.x/branches/sca-java-travelsample-1.0/contributions/currency/src/main/java/com/tuscanyscatours/currencyconverter/impl')
-rw-r--r-- | sca-java-1.x/branches/sca-java-travelsample-1.0/contributions/currency/src/main/java/com/tuscanyscatours/currencyconverter/impl/CurrencyConverterImpl.java | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-travelsample-1.0/contributions/currency/src/main/java/com/tuscanyscatours/currencyconverter/impl/CurrencyConverterImpl.java b/sca-java-1.x/branches/sca-java-travelsample-1.0/contributions/currency/src/main/java/com/tuscanyscatours/currencyconverter/impl/CurrencyConverterImpl.java new file mode 100644 index 0000000000..6ad9a957c7 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-travelsample-1.0/contributions/currency/src/main/java/com/tuscanyscatours/currencyconverter/impl/CurrencyConverterImpl.java @@ -0,0 +1,53 @@ +/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.tuscanyscatours.currencyconverter.impl;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.osoa.sca.annotations.Service;
+
+import com.tuscanyscatours.currencyconverter.CurrencyConverter;
+
+/**
+ * An implementation of the CurrencyConverter service
+ */
+@Service(interfaces = {CurrencyConverter.class})
+public class CurrencyConverterImpl implements CurrencyConverter {
+
+ // currency index
+ private Map<String, Integer> currencyIndex = new HashMap<String, Integer>();
+
+ // exchange rates
+ private final double rates[][] = { {1.00, 0.50, 0.66}, {2.00, 1.00, 1.33}, {1.50, 0.75, 1.00}};
+
+ public CurrencyConverterImpl() {
+ currencyIndex.put("USD", new Integer(0));
+ currencyIndex.put("GBP", new Integer(1));
+ currencyIndex.put("EUR", new Integer(2));
+ }
+
+ public double getExchangeRate(String fromCurrencyCode, String toCurrencyCode) {
+ return rates[currencyIndex.get(fromCurrencyCode).intValue()][currencyIndex.get(toCurrencyCode).intValue()];
+ }
+
+ public double convert(String fromCurrencyCode, String toCurrencyCode, double amount) {
+ return amount * getExchangeRate(fromCurrencyCode, toCurrencyCode);
+ }
+}
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