替换"inappropriate blocking method call"代码

This commit is contained in:
owen 2020-05-16 15:19:43 +08:00
parent 9d62eafb2f
commit 1e6f879523
2 changed files with 35 additions and 20 deletions

View File

@ -32,6 +32,7 @@ import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilter;
import org.springframework.cloud.gateway.filter.factory.AbstractGatewayFilterFactory;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
@ -82,14 +83,19 @@ public class ValidateCodeGatewayFilter extends AbstractGatewayFilterFactory {
} catch (Exception e) {
ServerHttpResponse response = exchange.getResponse();
response.setStatusCode(HttpStatus.PRECONDITION_REQUIRED);
response.getHeaders().setContentType(MediaType.APPLICATION_JSON);
try {
return response.writeWith(Mono.just(response.bufferFactory()
.wrap(objectMapper.writeValueAsBytes(
R.failed(e.getMessage())))));
} catch (JsonProcessingException e1) {
log.error("对象输出异常", e1);
}
response.getHeaders().setContentType(MediaType.APPLICATION_JSON);
return response.writeWith(Mono.create(monoSink -> {
try {
byte[] bytes = objectMapper.writeValueAsBytes(R.failed(e.getMessage()));
DataBuffer dataBuffer = response.bufferFactory().wrap(bytes);
monoSink.success(dataBuffer);
} catch (JsonProcessingException jsonProcessingException) {
log.error("对象输出异常", jsonProcessingException);
monoSink.error(jsonProcessingException);
}
}));
}
return chain.filter(exchange);

View File

@ -22,7 +22,8 @@ import com.google.code.kaptcha.Producer;
import com.pig4cloud.pig.common.core.constant.CommonConstants;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.buffer.DefaultDataBuffer;
import org.springframework.core.io.buffer.DefaultDataBufferFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
@ -53,6 +54,23 @@ public class ImageCodeHandler implements HandlerFunction<ServerResponse> {
@Override
public Mono<ServerResponse> handle(ServerRequest serverRequest) {
return ServerResponse
.status(HttpStatus.OK)
.contentType(MediaType.IMAGE_JPEG)
.body(BodyInserters.fromDataBuffers(Mono.create(monoSink -> {
try {
byte[] bytes = createCodeImage(serverRequest);
DefaultDataBuffer dataBuffer = new DefaultDataBufferFactory().wrap(bytes);
monoSink.success(dataBuffer);
} catch (IOException e) {
log.error("ImageIO write err", e);
monoSink.error(e);
}
})));
}
private byte[] createCodeImage(ServerRequest serverRequest) throws IOException {
//生成验证码
String text = producer.createText();
BufferedImage image = producer.createImage(text);
@ -63,16 +81,7 @@ public class ImageCodeHandler implements HandlerFunction<ServerResponse> {
// 转换流信息写出
FastByteArrayOutputStream os = new FastByteArrayOutputStream();
try {
ImageIO.write(image, "jpeg", os);
} catch (IOException e) {
log.error("ImageIO write err", e);
return Mono.error(e);
}
return ServerResponse
.status(HttpStatus.OK)
.contentType(MediaType.IMAGE_JPEG)
.body(BodyInserters.fromResource(new ByteArrayResource(os.toByteArray())));
ImageIO.write(image, "jpeg", os);
return os.toByteArray();
}
}