package co.fusionx.spotify.json;
import com.fasterxml.jackson.databind.JavaType;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.Type;
import retrofit.converter.ConversionException;
import retrofit.converter.Converter;
import retrofit.mime.TypedInput;
import retrofit.mime.TypedOutput;
public class JacksonConverter implements Converter {
private ObjectMapper mObjectMapper;
public JacksonConverter(final ObjectMapper objectMapper) {
mObjectMapper = objectMapper;
}
@Override
public Object fromBody(final TypedInput body, final Type type) throws ConversionException {
final JavaType javaType = mObjectMapper.getTypeFactory().constructType(type);
try {
return mObjectMapper.readValue(body.in(), javaType);
} catch (IOException e) {
throw new ConversionException(e);
}
}
@Override
public TypedOutput toBody(final Object object) {
try {
String charset = "UTF-8";
return new JsonTypedOutput(mObjectMapper.writeValueAsString(object).getBytes(charset),
charset);
} catch (IOException e) {
throw new AssertionError(e);
}
}
private static class JsonTypedOutput implements TypedOutput {
private final byte[] jsonBytes;
private final String mimeType;
JsonTypedOutput(byte[] jsonBytes, String encode) {
this.jsonBytes = jsonBytes;
this.mimeType = "application/json; charset=" + encode;
}
@Override
public String fileName() {
return null;
}
@Override
public String mimeType() {
return mimeType;
}
@Override
public long length() {
return jsonBytes.length;
}
@Override
public void writeTo(OutputStream out) throws IOException {
out.write(jsonBytes);
}
}
}