feign error decoder not working
package com.clientui.exceptions;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.io.CharStreams;
import feign.Response;
import feign.codec.ErrorDecoder;
import lombok.*;
import java.io.*;
public class CustomErrorDecoder implements ErrorDecoder {
private final ErrorDecoder errorDecoder = new Default();
@Override
public Exception decode(String s, Response response) {
String message = null;
Reader reader = null;
try {
reader = response.body().asReader();
//Easy way to read the stream and get a String object
String result = CharStreams.toString(reader);
//use a Jackson ObjectMapper to convert the Json String into a
//Pojo
ObjectMapper mapper = new ObjectMapper();
//just in case you missed an attribute in the Pojo
mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
//init the Pojo
ExceptionMessage exceptionMessage = mapper.readValue(result,
ExceptionMessage.class);
message = exceptionMessage.message;
} catch (IOException e) {
e.printStackTrace();
}finally {
//It is the responsibility of the caller to close the stream.
try {
if (reader != null)
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
switch (response.status()) {
case 404:
return new FileNotFoundException(message == null ? "File no found" :
message);
case 403:
return new ForbiddenAccessException(message == null ? "Forbidden
access" : message);
}
return errorDecoder.decode(s, response);
}
@Getter
@Setter
@NoArgsConstructor
@AllArgsConstructor
@ToString
public static class ExceptionMessage{
private String timestamp;
private int status;
private String error;
private String message;
private String path;
}
}