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Added ConfigBuilder implementation, enabled all tests
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src/main/java/com/kumuluz/ee/config/microprofile/ConfigBuilderImpl.java
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| /* | ||
| * Copyright (c) 2014-2017 Kumuluz and/or its affiliates | ||
| * and other contributors as indicated by the @author tags and | ||
| * the contributor list. | ||
| * | ||
| * Licensed under the MIT License (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * https://opensource.org/licenses/MIT | ||
| * | ||
| * The software is provided "AS IS", WITHOUT WARRANTY OF ANY KIND, express or | ||
| * implied, including but not limited to the warranties of merchantability, | ||
| * fitness for a particular purpose and noninfringement. in no event shall the | ||
| * authors or copyright holders be liable for any claim, damages or other | ||
| * liability, whether in an action of contract, tort or otherwise, arising from, | ||
| * out of or in connection with the software or the use or other dealings in the | ||
| * software. See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.kumuluz.ee.config.microprofile; | ||
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|
||
| import com.kumuluz.ee.config.microprofile.adapters.ConfigSourceAdapter; | ||
| import com.kumuluz.ee.config.microprofile.converters.*; | ||
| import com.kumuluz.ee.config.microprofile.utils.ConverterWithOrdinal; | ||
| import com.kumuluz.ee.configuration.sources.EnvironmentConfigurationSource; | ||
| import com.kumuluz.ee.configuration.sources.FileConfigurationSource; | ||
| import com.kumuluz.ee.configuration.sources.SystemPropertyConfigurationSource; | ||
| import com.kumuluz.ee.configuration.utils.ConfigurationUtil; | ||
| import org.eclipse.microprofile.config.Config; | ||
| import org.eclipse.microprofile.config.spi.ConfigBuilder; | ||
| import org.eclipse.microprofile.config.spi.ConfigSource; | ||
| import org.eclipse.microprofile.config.spi.Converter; | ||
|
|
||
| import javax.annotation.Priority; | ||
| import java.lang.reflect.ParameterizedType; | ||
| import java.lang.reflect.Type; | ||
| import java.util.*; | ||
|
|
||
| /** | ||
| * Implementation of {@link ConfigBuilder}. | ||
| * | ||
| * @author Urban Malc | ||
| * @since 1.3 | ||
| */ | ||
| public class ConfigBuilderImpl implements ConfigBuilder { | ||
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|
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| private static final List<Class> defaultSources = Arrays.asList(new Class[] { | ||
| SystemPropertyConfigurationSource.class, | ||
| EnvironmentConfigurationSource.class, | ||
| FileConfigurationSource.class | ||
| }); | ||
| private static final ConfigurationUtil configurationUtil = ConfigurationUtil.getInstance(); | ||
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|
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| private Map<Type, ConverterWithOrdinal> converters; | ||
| private List<ConfigSource> configSources; | ||
|
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| public ConfigBuilderImpl() { | ||
| this.configSources = new ArrayList<>(); | ||
| this.converters = new HashMap<>(); | ||
| converters.put(Boolean.class, getConverterWithOrdinalAnnotation(BooleanConverter.INSTANCE)); | ||
| converters.put(Integer.class, getConverterWithOrdinalAnnotation(IntegerConverter.INSTANCE)); | ||
| converters.put(Long.class, getConverterWithOrdinalAnnotation(LongConverter.INSTANCE)); | ||
| converters.put(Float.class, getConverterWithOrdinalAnnotation(FloatConverter.INSTANCE)); | ||
| converters.put(Double.class, getConverterWithOrdinalAnnotation(DoubleConverter.INSTANCE)); | ||
| converters.put(Class.class, getConverterWithOrdinalAnnotation(ClassConverter.INSTANCE)); | ||
| } | ||
|
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||
| @Override | ||
| public ConfigBuilder addDefaultSources() { | ||
| configurationUtil.getConfigurationSources().stream() | ||
| .filter((cs) -> defaultSources.contains(cs.getClass())) | ||
| .map(ConfigSourceAdapter::new) | ||
| .forEach((cs) -> configSources.add(cs)); | ||
|
|
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| return this; | ||
| } | ||
|
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| @Override | ||
| public ConfigBuilder addDiscoveredSources() { | ||
| configurationUtil.getConfigurationSources().stream() | ||
| .filter((cs) -> !defaultSources.contains(cs.getClass())) | ||
| .map(ConfigSourceAdapter::new) | ||
| .forEach((cs) -> configSources.add(cs)); | ||
|
|
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| return this; | ||
| } | ||
|
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| @Override | ||
| public ConfigBuilder addDiscoveredConverters() { | ||
| // load Converters | ||
| ServiceLoader<Converter> serviceLoader = ServiceLoader.load(Converter.class); | ||
|
|
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| for (Converter converter : serviceLoader) { | ||
| withConverters(converter); | ||
| } | ||
|
|
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| return this; | ||
| } | ||
|
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| @Override | ||
| public ConfigBuilder forClassLoader(ClassLoader classLoader) { | ||
| return this; | ||
| } | ||
|
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| @Override | ||
| public ConfigBuilder withSources(ConfigSource... configSources) { | ||
| this.configSources.addAll(Arrays.asList(configSources)); | ||
|
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| return this; | ||
| } | ||
|
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| @Override | ||
| public ConfigBuilder withConverters(Converter<?>... converters) { | ||
| for (Converter converter : converters) { | ||
| Type types[] = converter.getClass().getGenericInterfaces(); | ||
| for (Type type : types) { | ||
| if (type instanceof ParameterizedType) { | ||
| Type args[] = ((ParameterizedType) type).getActualTypeArguments(); | ||
| if (args.length == 1) { | ||
| Type cType = args[0]; | ||
| int ordinal = getConverterOrdinal(converter); | ||
| withConverter((Class)cType, ordinal, converter); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| return this; | ||
| } | ||
|
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| @Override | ||
| public <T> ConfigBuilder withConverter(Class<T> cType, int newOrdinal, Converter<T> converter) { | ||
| ConverterWithOrdinal old = converters.get(cType); | ||
| if (old == null || newOrdinal > old.getOrdinal()) { | ||
| this.converters.put(cType, new ConverterWithOrdinal(converter, newOrdinal)); | ||
| } | ||
|
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| return this; | ||
| } | ||
|
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| @Override | ||
| public Config build() { | ||
| this.configSources.sort(Comparator.comparingInt(ConfigSource::getOrdinal).reversed()); | ||
| Map<Type, Converter> actualConverters = new HashMap<>(); | ||
| this.converters.forEach((key, value) -> actualConverters.put(key, value.getConverter())); | ||
|
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| return new ConfigImpl(this.configSources, actualConverters); | ||
| } | ||
|
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| private ConverterWithOrdinal getConverterWithOrdinalAnnotation(Converter converter) { | ||
| return new ConverterWithOrdinal(converter, getConverterOrdinal(converter)); | ||
| } | ||
|
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| private int getConverterOrdinal(Converter converter) { | ||
|
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| int result = 100; | ||
| Priority annotation = converter.getClass().getAnnotation(Priority.class); | ||
| if (annotation != null) { | ||
| result = annotation.value(); | ||
| } | ||
| return result; | ||
| } | ||
| } |
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