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55 changes: 55 additions & 0 deletions
55
implementation/src/main/java/io/smallrye/config/DotEnvConfigSourceProvider.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| package io.smallrye.config; | ||
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| import java.io.IOException; | ||
| import java.net.URL; | ||
| import java.util.List; | ||
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| import org.eclipse.microprofile.config.spi.ConfigSource; | ||
| import org.eclipse.microprofile.config.spi.ConfigSourceProvider; | ||
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| import io.smallrye.config.common.utils.ConfigSourceUtil; | ||
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| public class DotEnvConfigSourceProvider extends AbstractLocationConfigSourceLoader implements ConfigSourceProvider { | ||
| private final String location; | ||
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| public DotEnvConfigSourceProvider() { | ||
| this(".env"); | ||
| } | ||
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| public DotEnvConfigSourceProvider(final String location) { | ||
| this.location = location; | ||
| } | ||
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| @Override | ||
| protected String[] getFileExtensions() { | ||
| return new String[] { "" }; | ||
| } | ||
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| @Override | ||
| protected ConfigSource loadConfigSource(final URL url) throws IOException { | ||
| return loadConfigSource(url, 295); | ||
| } | ||
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| @Override | ||
| protected ConfigSource loadConfigSource(final URL url, final int ordinal) throws IOException { | ||
| return new EnvConfigSource(ConfigSourceUtil.urlToMap(url), ordinal) { | ||
| @Override | ||
| public String getName() { | ||
| return super.getName() + "[source=" + url + "]"; | ||
| } | ||
| }; | ||
| } | ||
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| @Override | ||
| public List<ConfigSource> getConfigSources(final ClassLoader forClassLoader) { | ||
| return loadConfigSources(location, forClassLoader); | ||
| } | ||
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| public static List<ConfigSource> dotEnvSources(final ClassLoader classLoader) { | ||
| return new DotEnvConfigSourceProvider().getConfigSources(classLoader); | ||
| } | ||
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| public static List<ConfigSource> dotEnvSources(final String location, final ClassLoader classLoader) { | ||
| return new DotEnvConfigSourceProvider(location).getConfigSources(classLoader); | ||
| } | ||
| } |
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73
implementation/src/test/java/io/smallrye/config/DotEnvConfigSourceProviderTest.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,73 @@ | ||
| package io.smallrye.config; | ||
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| import static io.smallrye.config.DotEnvConfigSourceProvider.dotEnvSources; | ||
| import static io.smallrye.config.SecuritySupport.getContextClassLoader; | ||
| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
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| import java.io.FileOutputStream; | ||
| import java.nio.file.Path; | ||
| import java.util.Properties; | ||
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| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.io.TempDir; | ||
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| class DotEnvConfigSourceProviderTest { | ||
| @Test | ||
| void dotEnvSource(@TempDir Path tempDir) throws Exception { | ||
| Properties envProperties = new Properties(); | ||
| envProperties.setProperty("MY_PROP", "1234"); | ||
| try (FileOutputStream out = new FileOutputStream(tempDir.resolve(".env").toFile())) { | ||
| envProperties.store(out, null); | ||
| } | ||
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| SmallRyeConfig config = new SmallRyeConfigBuilder() | ||
| .addDefaultSources() | ||
| .addDiscoveredSources() | ||
| .addDefaultInterceptors() | ||
| .withSources(dotEnvSources(tempDir.resolve(".env").toFile().toURI().toString(), getContextClassLoader())) | ||
| .build(); | ||
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| assertEquals("1234", config.getRawValue("my.prop")); | ||
| assertEquals("1234", config.getRawValue("MY_PROP")); | ||
| } | ||
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| @Test | ||
| void dotEnvSourceProfiles(@TempDir Path tempDir) throws Exception { | ||
| Properties mainProperties = new Properties(); | ||
| mainProperties.setProperty("MY_PROP_MAIN", "main"); | ||
| mainProperties.setProperty("MY_PROP_COMMON", "main"); | ||
| mainProperties.setProperty("MY_PROP_PROFILE", "main"); | ||
| try (FileOutputStream out = new FileOutputStream(tempDir.resolve(".env").toFile())) { | ||
| mainProperties.store(out, null); | ||
| } | ||
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| Properties commonProperties = new Properties(); | ||
| commonProperties.setProperty("MY_PROP_COMMON", "common"); | ||
| commonProperties.setProperty("MY_PROP_PROFILE", "common"); | ||
| try (FileOutputStream out = new FileOutputStream(tempDir.resolve(".env-common").toFile())) { | ||
| commonProperties.store(out, null); | ||
| } | ||
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| Properties devProperties = new Properties(); | ||
| devProperties.setProperty("MY_PROP_DEV", "dev"); | ||
| devProperties.setProperty("MY_PROP_PROFILE", "dev"); | ||
| try (FileOutputStream out = new FileOutputStream(tempDir.resolve(".env-dev").toFile())) { | ||
| devProperties.store(out, null); | ||
| } | ||
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| SmallRyeConfig config = new SmallRyeConfigBuilder() | ||
| .addDefaultSources() | ||
| .addDiscoveredSources() | ||
| .addDefaultInterceptors() | ||
| .withProfile("common,dev") | ||
| .withSources(dotEnvSources(tempDir.resolve(".env").toFile().toURI().toString(), getContextClassLoader())) | ||
| .build(); | ||
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| assertEquals("main", config.getRawValue("my.prop.main")); | ||
| assertEquals("main", config.getRawValue("MY_PROP_MAIN")); | ||
| assertEquals("common", config.getRawValue("my.prop.common")); | ||
| assertEquals("common", config.getRawValue("MY_PROP_COMMON")); | ||
| assertEquals("dev", config.getRawValue("my.prop.profile")); | ||
| assertEquals("dev", config.getRawValue("MY_PROP_PROFILE")); | ||
| } | ||
| } |