JAVA-29231 Move modules inside existing container modules (#15492)

2024-01-01 11:27:05 -08:00
parent 76bde3ff46
commit 2096eac575
209 changed files with 472 additions and 222 deletions
@@ -0,0 +1,40 @@
+package com.baeldung.rate;
+
+import com.baeldung.rate.exception.ProviderNotFoundException;
+import com.baeldung.rate.spi.ExchangeRateProvider;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ServiceLoader;
+
+public final class ExchangeRate {
+
+    private static final String DEFAULT_PROVIDER = "com.baeldung.rate.spi.YahooFinanceExchangeRateProvider";
+
+    //All providers
+    public static List<ExchangeRateProvider> providers() {
+        List<ExchangeRateProvider> services = new ArrayList<>();
+        ServiceLoader<ExchangeRateProvider> loader = ServiceLoader.load(ExchangeRateProvider.class);
+        loader.forEach(services::add);
+        return services;
+    }
+
+    //Default provider
+    public static ExchangeRateProvider provider() {
+        return provider(DEFAULT_PROVIDER);
+    }
+
+    //provider by name
+    public static ExchangeRateProvider provider(String providerName) {
+        ServiceLoader<ExchangeRateProvider> loader = ServiceLoader.load(ExchangeRateProvider.class);
+        Iterator<ExchangeRateProvider> it = loader.iterator();
+        while (it.hasNext()) {
+            ExchangeRateProvider provider = it.next();
+            if (providerName.equals(provider.getClass().getName())) {
+                return provider;
+            }
+        }
+        throw new ProviderNotFoundException("Exchange Rate provider " + providerName + " not found");
+    }
+}
@@ -0,0 +1,49 @@
+package com.baeldung.rate.api;
+
+import java.math.BigDecimal;
+import java.time.LocalDate;
+
+public class Quote {
+    private String currency;
+    private BigDecimal ask;
+    private BigDecimal bid;
+    private LocalDate date;
+
+    public Quote(String currency, BigDecimal ask, BigDecimal bid) {
+        this.currency = currency;
+        this.ask = ask;
+        this.bid = bid;
+    }
+
+    public String getCurrency() {
+        return currency;
+    }
+
+    public void setCurrency(String currency) {
+        this.currency = currency;
+    }
+
+    public BigDecimal getAsk() {
+        return ask;
+    }
+
+    public void setAsk(BigDecimal ask) {
+        this.ask = ask;
+    }
+
+    public BigDecimal getBid() {
+        return bid;
+    }
+
+    public void setBid(BigDecimal bid) {
+        this.bid = bid;
+    }
+
+    public LocalDate getDate() {
+        return date;
+    }
+
+    public void setDate(LocalDate date) {
+        this.date = date;
+    }
+}
@@ -0,0 +1,8 @@
+package com.baeldung.rate.api;
+
+import java.time.LocalDate;
+import java.util.List;
+
+public interface QuoteManager {
+    List<Quote> getQuotes(String baseCurrency, LocalDate date);
+}
@@ -0,0 +1,13 @@
+package com.baeldung.rate.exception;
+
+public class ProviderNotFoundException extends RuntimeException {
+
+    public ProviderNotFoundException() {
+        super();
+    }
+
+    public ProviderNotFoundException(String message) {
+        super(message);
+    }
+
+}
@@ -0,0 +1,7 @@
+package com.baeldung.rate.spi;
+
+import com.baeldung.rate.api.QuoteManager;
+
+public interface ExchangeRateProvider {
+    QuoteManager create();
+}
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>