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Add ClientCodecConfigurer

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Issue: SPR-15247
This commit is contained in:
Rossen Stoyanchev
2017-03-27 14:54:22 -04:00
parent dc3851df00
commit f8a21ab11b
3 changed files with 224 additions and 64 deletions
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68
spring-webflux/src/main/java/org/springframework/web/reactive/function/client/DefaultExchangeStrategiesBuilder.java
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@@ -23,27 +23,14 @@ import java.util.function.Supplier;
import java.util.stream.Stream;
import org.springframework.context.ApplicationContext;
import org.springframework.core.codec.ByteArrayDecoder;
import org.springframework.core.codec.ByteArrayEncoder;
import org.springframework.core.codec.ByteBufferDecoder;
import org.springframework.core.codec.ByteBufferEncoder;
import org.springframework.core.codec.CharSequenceEncoder;
import org.springframework.core.codec.Decoder;
import org.springframework.core.codec.Encoder;
import org.springframework.core.codec.StringDecoder;
import org.springframework.http.codec.ClientCodecConfigurer;
import org.springframework.http.codec.DecoderHttpMessageReader;
import org.springframework.http.codec.EncoderHttpMessageWriter;
import org.springframework.http.codec.FormHttpMessageWriter;
import org.springframework.http.codec.HttpMessageReader;
import org.springframework.http.codec.HttpMessageWriter;
import org.springframework.http.codec.ResourceHttpMessageWriter;
import org.springframework.http.codec.ServerSentEventHttpMessageReader;
import org.springframework.http.codec.json.Jackson2JsonDecoder;
import org.springframework.http.codec.json.Jackson2JsonEncoder;
import org.springframework.http.codec.xml.Jaxb2XmlDecoder;
import org.springframework.http.codec.xml.Jaxb2XmlEncoder;
import org.springframework.util.Assert;
import org.springframework.util.ClassUtils;
/**
* Default implementation of {@link ExchangeStrategies.Builder}.
@@ -53,62 +40,15 @@ import org.springframework.util.ClassUtils;
*/
class DefaultExchangeStrategiesBuilder implements ExchangeStrategies.Builder {
private static final boolean jackson2Present =
ClassUtils.isPresent("com.fasterxml.jackson.databind.ObjectMapper",
DefaultExchangeStrategiesBuilder.class.getClassLoader()) &&
ClassUtils.isPresent("com.fasterxml.jackson.core.JsonGenerator",
DefaultExchangeStrategiesBuilder.class.getClassLoader());
private static final boolean jaxb2Present =
ClassUtils.isPresent("javax.xml.bind.Binder",
DefaultExchangeStrategiesBuilder.class.getClassLoader());
private final List<HttpMessageReader<?>> messageReaders = new ArrayList<>();
private final List<HttpMessageWriter<?>> messageWriters = new ArrayList<>();
public void defaultConfiguration() {
defaultReaders();
defaultWriters();
}
private void defaultReaders() {
messageReader(new DecoderHttpMessageReader<>(new ByteArrayDecoder()));
messageReader(new DecoderHttpMessageReader<>(new ByteBufferDecoder()));
messageReader(new DecoderHttpMessageReader<>(StringDecoder.textPlainOnly(false)));
if (jaxb2Present) {
messageReader(new DecoderHttpMessageReader<>(new Jaxb2XmlDecoder()));
}
if (jackson2Present) {
messageReader(new DecoderHttpMessageReader<>(new Jackson2JsonDecoder()));
}
messageReader(new ServerSentEventHttpMessageReader(getSseDecoder()));
messageReader(new DecoderHttpMessageReader<>(StringDecoder.allMimeTypes(false)));
}
private Decoder<?> getSseDecoder() {
if (jackson2Present) {
return new Jackson2JsonDecoder();
}
else {
return null;
}
}
private void defaultWriters() {
messageWriter(new EncoderHttpMessageWriter<>(new ByteArrayEncoder()));
messageWriter(new EncoderHttpMessageWriter<>(new ByteBufferEncoder()));
messageWriter(new EncoderHttpMessageWriter<>(CharSequenceEncoder.allMimeTypes()));
messageWriter(new ResourceHttpMessageWriter());
messageWriter(new FormHttpMessageWriter());
if (jaxb2Present) {
messageWriter(new EncoderHttpMessageWriter<>(new Jaxb2XmlEncoder()));
}
if (jackson2Present) {
messageWriter(new EncoderHttpMessageWriter<>(new Jackson2JsonEncoder()));
}
ClientCodecConfigurer configurer = new ClientCodecConfigurer();
configurer.getReaders().forEach(this::messageReader);
configurer.getWriters().forEach(this::messageWriter);
}
public void applicationContext(ApplicationContext applicationContext) {