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Initial refactoring and simplificatioin of web module

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This commit is contained in:
Oleg Zhurakousky
2020-11-02 14:09:38 +01:00
parent 9b1206f6af
commit 9a715be835
15 changed files with 231 additions and 394 deletions
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8
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/SimpleFunctionRegistry.java
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@@ -61,7 +61,6 @@ import org.springframework.messaging.MessageHeaders;
import org.springframework.messaging.converter.CompositeMessageConverter;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.util.Assert;
import org.springframework.util.MimeType;
import org.springframework.util.ObjectUtils;
import org.springframework.util.ReflectionUtils;
import org.springframework.util.StringUtils;
@@ -762,6 +761,9 @@ public class SimpleFunctionRegistry implements FunctionRegistry, FunctionInspect
}
else if (input instanceof Message) {
convertedInput = this.convertInputMessageIfNecessary((Message) input, type);
if (convertedInput == null) { // give ConversionService a chance
convertedInput = this.convertNonMessageInputIfNecessary(type, ((Message) input).getPayload());
}
if (convertedInput != null && !FunctionTypeUtils.isMultipleArgumentType(this.inputType)) {
convertedInput = !convertedInput.equals(input)
? new OriginalMessageHolder(convertedInput, (Message<?>) input)
@@ -792,6 +794,9 @@ public class SimpleFunctionRegistry implements FunctionRegistry, FunctionInspect
output = ((Message) output).getPayload();
}
}
if (ObjectUtils.isEmpty(contentType)) {
return output;
}
if (!(output instanceof Publisher) && this.enhancer != null) {
output = enhancer.apply(output);
@@ -925,6 +930,7 @@ public class SimpleFunctionRegistry implements FunctionRegistry, FunctionInspect
convertedInput = MessageBuilder.withPayload(convertedInput).copyHeaders(message.getHeaders()).build();
}
}
// convertedInput = convertedInput == null ? message.getPayload() : convertedInput;
return convertedInput;
}

13
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/config/ContextFunctionCatalogAutoConfiguration.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2016-2019 the original author or authors.
* Copyright 2016-2020 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -37,6 +37,7 @@ import org.springframework.cloud.function.context.catalog.BeanFactoryAwareFuncti
import org.springframework.cloud.function.json.GsonMapper;
import org.springframework.cloud.function.json.JacksonMapper;
import org.springframework.cloud.function.json.JsonMapper;
import org.springframework.cloud.function.utils.PrimitiveTypesFromStringMessageConverter;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.Bean;
@@ -93,17 +94,9 @@ public class ContextFunctionCatalogAutoConfiguration {
mcList = mcList.stream()
.filter(c -> isConverterEligible(c))
// .map(converter -> {
// return converter instanceof AbstractMessageConverter
// ? NegotiatingMessageConverterWrapper.wrap((AbstractMessageConverter) converter)
// : converter;
// })
.collect(Collectors.toList());
// mcList.add(NegotiatingMessageConverterWrapper.wrap(new JsonMessageConverter(jsonMapper)));
// mcList.add(NegotiatingMessageConverterWrapper.wrap(new ByteArrayMessageConverter()));
// mcList.add(NegotiatingMessageConverterWrapper.wrap(new StringMessageConverter()));
mcList.add(new StringMessageConverter());
mcList.add(new PrimitiveTypesFromStringMessageConverter(conversionService));
mcList.add(new JsonMessageConverter(jsonMapper));
mcList.add(new ByteArrayMessageConverter());

7
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/config/ContextFunctionCatalogInitializer.java
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@@ -40,6 +40,7 @@ import org.springframework.cloud.function.context.FunctionRegistration;
import org.springframework.cloud.function.context.FunctionRegistry;
import org.springframework.cloud.function.context.catalog.SimpleFunctionRegistry;
import org.springframework.cloud.function.json.JsonMapper;
import org.springframework.cloud.function.utils.PrimitiveTypesFromStringMessageConverter;
import org.springframework.context.ApplicationContextInitializer;
import org.springframework.context.annotation.AnnotationConfigUtils;
import org.springframework.context.annotation.ClassPathBeanDefinitionScanner;
@@ -52,7 +53,6 @@ import org.springframework.core.type.classreading.MetadataReaderFactory;
import org.springframework.core.type.filter.AssignableTypeFilter;
import org.springframework.format.support.DefaultFormattingConversionService;
import org.springframework.messaging.converter.ByteArrayMessageConverter;
import org.springframework.messaging.converter.CompositeMessageConverter;
import org.springframework.messaging.converter.MessageConverter;
import org.springframework.messaging.converter.StringMessageConverter;
import org.springframework.util.Assert;
@@ -60,6 +60,7 @@ import org.springframework.util.ClassUtils;
/**
* @author Dave Syer
* @author Oleg Zhurakousky
*
*/
public class ContextFunctionCatalogInitializer implements ApplicationContextInitializer<GenericApplicationContext> {
@@ -169,10 +170,8 @@ public class ContextFunctionCatalogInitializer implements ApplicationContextInit
List<MessageConverter> messageConverters = new ArrayList<>();
JsonMapper jsonMapper = this.context.getBean(JsonMapper.class);
// messageConverters.add(NegotiatingMessageConverterWrapper.wrap(new JsonMessageConverter(jsonMapper)));
// messageConverters.add(NegotiatingMessageConverterWrapper.wrap(new ByteArrayMessageConverter()));
// messageConverters.add(NegotiatingMessageConverterWrapper.wrap(new StringMessageConverter()));
messageConverters.add(new StringMessageConverter());
messageConverters.add(new PrimitiveTypesFromStringMessageConverter(new DefaultConversionService()));
messageConverters.add(new JsonMessageConverter(jsonMapper));
messageConverters.add(new ByteArrayMessageConverter());

12
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/json/JsonMapper.java
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@@ -110,4 +110,16 @@ public abstract class JsonMapper {
return isJson;
}
public static boolean isJsonStringRepresentsCollection(Object value) {
boolean isJson = false;
if (value instanceof byte[]) {
value = new String((byte[]) value, StandardCharsets.UTF_8);
}
if (value instanceof String) {
String str = ((String) value).trim();
isJson = isJsonString(value) && str.startsWith("[") && str.endsWith("]");
}
return isJson;
}
}

59
spring-cloud-function-context/src/main/java/org/springframework/cloud/function/utils/PrimitiveTypesFromStringMessageConverter.java Normal file
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@@ -0,0 +1,59 @@
/*
* Copyright 2020-2020 the original author or authors.
*
* Licensed 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
*
* https://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 org.springframework.cloud.function.utils;
import java.nio.charset.StandardCharsets;
import org.springframework.core.convert.ConversionService;
import org.springframework.lang.Nullable;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHeaders;
import org.springframework.messaging.converter.AbstractMessageConverter;
import org.springframework.util.MimeType;
/**
*
* @author Oleg Zhurakousky
* @since 3.1
*/
public class PrimitiveTypesFromStringMessageConverter extends AbstractMessageConverter {
private final ConversionService conversionService;
public PrimitiveTypesFromStringMessageConverter(ConversionService conversionService) {
super(new MimeType("text", "plain"));
this.conversionService = conversionService;
}
@Override
protected boolean supports(Class<?> clazz) {
return (Integer.class == clazz || Long.class == clazz);
}
@Override
protected Object convertFromInternal(Message<?> message, Class<?> targetClass, @Nullable Object conversionHint) {
return conversionService.convert(message.getPayload(), targetClass);
}
@Override
@Nullable
protected Object convertToInternal(Object payload, @Nullable MessageHeaders headers, @Nullable Object conversionHint) {
return payload.toString().getBytes(StandardCharsets.UTF_8);
}
}