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Merge pull request #113 from HubSpot/jh/rm-naming-strategy-base
Remove references to PropertyNamingStrategyBase
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src/main/java/com/hubspot/jackson/datatype/protobuf/PropertyNamingStrategyWrapper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,97 +1,75 @@ | ||
| package com.hubspot.jackson.datatype.protobuf; | ||
|
|
||
| import com.fasterxml.jackson.databind.PropertyNamingStrategies; | ||
| import com.fasterxml.jackson.databind.PropertyNamingStrategies.NamingBase; | ||
| import com.fasterxml.jackson.databind.PropertyNamingStrategy; | ||
| import com.fasterxml.jackson.databind.PropertyNamingStrategy.PropertyNamingStrategyBase; | ||
| import com.fasterxml.jackson.databind.cfg.MapperConfig; | ||
| import com.fasterxml.jackson.databind.introspect.AnnotatedField; | ||
| import com.fasterxml.jackson.databind.introspect.AnnotationMap; | ||
| import com.fasterxml.jackson.databind.introspect.TypeResolutionContext; | ||
| import com.google.common.base.CaseFormat; | ||
| import java.lang.reflect.Method; | ||
| import com.google.protobuf.Message; | ||
| import java.lang.reflect.Field; | ||
|
|
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| @SuppressWarnings("serial") | ||
| public class PropertyNamingStrategyWrapper extends PropertyNamingStrategyBase { | ||
| public class PropertyNamingStrategyWrapper { | ||
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| private static final PropertyNamingStrategyBase SNAKE_TO_CAMEL = new SnakeToCamelNamingStrategy(); | ||
| private static final PropertyNamingStrategyBase NO_OP = new NoOpNamingStrategy(); | ||
| private static final PropertyNamingStrategy SNAKE_TO_CAMEL = new SnakeToCamelNamingStrategy(); | ||
| private static final PropertyNamingStrategy NO_OP = new NoOpNamingStrategy(); | ||
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| private final PropertyNamingStrategyBase delegate; | ||
| private final Class<?> messageType; | ||
| private final MapperConfig<?> mapperConfig; | ||
| private final PropertyNamingStrategy delegate; | ||
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| public PropertyNamingStrategyWrapper(PropertyNamingStrategy delegate) { | ||
| if (delegate instanceof PropertyNamingStrategyBase) { | ||
| this.delegate = (PropertyNamingStrategyBase) delegate; | ||
| } else if (NamingBaseAdapter.extendsNamingBase(delegate)) { | ||
| this.delegate = new NamingBaseAdapter(delegate); | ||
| } else if (delegate == PropertyNamingStrategy.LOWER_CAMEL_CASE) { | ||
| public PropertyNamingStrategyWrapper( | ||
| Class<? extends Message> messageType, | ||
| MapperConfig<?> mapperConfig | ||
| ) { | ||
| this.messageType = messageType; | ||
| this.mapperConfig = mapperConfig; | ||
|
|
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| if (mapperConfig.getPropertyNamingStrategy() == null) { | ||
| this.delegate = SNAKE_TO_CAMEL; | ||
| } else if ( | ||
| mapperConfig.getPropertyNamingStrategy() == | ||
| PropertyNamingStrategies.LOWER_CAMEL_CASE | ||
| ) { | ||
| this.delegate = NO_OP; | ||
| } else { | ||
| this.delegate = SNAKE_TO_CAMEL; | ||
| this.delegate = mapperConfig.getPropertyNamingStrategy(); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public String translate(String fieldName) { | ||
| return delegate.translate(fieldName); | ||
| AnnotatedField annotatedField = null; | ||
| try { | ||
| Field field = messageType.getDeclaredField(fieldName + "_"); | ||
| annotatedField = | ||
| new AnnotatedField( | ||
| new TypeResolutionContext.Empty(mapperConfig.getTypeFactory()), | ||
| field, | ||
| new AnnotationMap() | ||
| ); | ||
| } catch (ReflectiveOperationException e) { | ||
| // ignored | ||
| } | ||
|
|
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| return delegate.nameForField(mapperConfig, annotatedField, fieldName); | ||
| } | ||
|
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| private static class SnakeToCamelNamingStrategy extends PropertyNamingStrategyBase { | ||
| private static class SnakeToCamelNamingStrategy extends NamingBase { | ||
|
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| @Override | ||
| public String translate(String fieldName) { | ||
| return CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, fieldName); | ||
| } | ||
| } | ||
|
|
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| private static class NoOpNamingStrategy extends PropertyNamingStrategyBase { | ||
| private static class NoOpNamingStrategy extends NamingBase { | ||
|
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| @Override | ||
| public String translate(String fieldName) { | ||
| return fieldName; | ||
| } | ||
| } | ||
|
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| private static class NamingBaseAdapter extends PropertyNamingStrategyBase { | ||
|
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| private static final Class<?> NAMING_BASE = tryToLoadNamingBase(); | ||
| private static final Method TRANSLATE_METHOD = tryToLoadTranslateMethod(NAMING_BASE); | ||
|
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| private final PropertyNamingStrategy delegate; | ||
|
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| private NamingBaseAdapter(PropertyNamingStrategy delegate) { | ||
| this.delegate = delegate; | ||
| } | ||
|
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| public static boolean extendsNamingBase(PropertyNamingStrategy namingStrategy) { | ||
| return NAMING_BASE != null && NAMING_BASE.isInstance(namingStrategy); | ||
| } | ||
|
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| @Override | ||
| public String translate(String fieldName) { | ||
| try { | ||
| return (String) TRANSLATE_METHOD.invoke(delegate, fieldName); | ||
| } catch (ReflectiveOperationException e) { | ||
| throw new RuntimeException("Unable to invoke translate method", e); | ||
| } | ||
| } | ||
|
|
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| private static Class<?> tryToLoadNamingBase() { | ||
| try { | ||
| return Class.forName( | ||
| "com.fasterxml.jackson.databind.PropertyNamingStrategies$NamingBase" | ||
| ); | ||
| } catch (ClassNotFoundException e) { | ||
| return null; | ||
| } | ||
| } | ||
|
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| private static Method tryToLoadTranslateMethod(Class<?> namingBase) { | ||
| if (namingBase == null) { | ||
| return null; | ||
| } else { | ||
| try { | ||
| return namingBase.getMethod("translate", String.class); | ||
| } catch (NoSuchMethodException e) { | ||
| throw new RuntimeException( | ||
| "Unable to find translate method on class: " + namingBase | ||
| ); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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