aws_sdk_s3/
rest_xml_unwrapped_errors.rs

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1// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
2/*
3 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7//! Error abstractions for `noErrorWrapping`. Code generators should either inline this file
8//! or its companion `rest_xml_wrapped_errors.rs` for code generation
9
10use aws_smithy_types::error::metadata::{Builder as ErrorMetadataBuilder, ErrorMetadata};
11use aws_smithy_xml::decode::{try_data, Document, ScopedDecoder, XmlDecodeError};
12
13#[allow(unused)]
14pub fn body_is_error(body: &[u8]) -> Result<bool, XmlDecodeError> {
15    let mut doc = Document::try_from(body)?;
16    let scoped = doc.root_element()?;
17    Ok(scoped.start_el().matches("Error"))
18}
19
20pub fn error_scope<'a, 'b>(doc: &'a mut Document<'b>) -> Result<ScopedDecoder<'b, 'a>, XmlDecodeError> {
21    let scoped = doc.root_element()?;
22    if !scoped.start_el().matches("Error") {
23        return Err(XmlDecodeError::custom("expected error as root"));
24    }
25    Ok(scoped)
26}
27
28pub fn parse_error_metadata(body: &[u8]) -> Result<ErrorMetadataBuilder, XmlDecodeError> {
29    let mut doc = Document::try_from(body)?;
30    let mut root = doc.root_element()?;
31    let mut builder = ErrorMetadata::builder();
32    while let Some(mut tag) = root.next_tag() {
33        match tag.start_el().local() {
34            "Code" => {
35                builder = builder.code(try_data(&mut tag)?);
36            }
37            "Message" => {
38                builder = builder.message(try_data(&mut tag)?);
39            }
40            _ => {}
41        }
42    }
43    Ok(builder)
44}
45
46#[cfg(test)]
47mod test {
48    use super::{body_is_error, parse_error_metadata};
49
50    #[test]
51    fn parse_unwrapped_error() {
52        let xml = br#"<Error>
53    <Type>Sender</Type>
54    <Code>InvalidGreeting</Code>
55    <Message>Hi</Message>
56    <AnotherSetting>setting</AnotherSetting>
57    <RequestId>foo-id</RequestId>
58</Error>"#;
59        assert!(body_is_error(xml).unwrap());
60        let parsed = parse_error_metadata(xml).expect("valid xml").build();
61        assert_eq!(parsed.message(), Some("Hi"));
62        assert_eq!(parsed.code(), Some("InvalidGreeting"));
63    }
64}
aws_sdk_s3/rest_xml_unwrapped_errors.rs

aws_sdk_s3/
rest_xml_unwrapped_errors.rs
