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};
12use std::convert::TryFrom;
13
14#[allow(unused)]
15pub fn body_is_error(body: &[u8]) -> Result<bool, XmlDecodeError> {
16    let mut doc = Document::try_from(body)?;
17    let scoped = doc.root_element()?;
18    Ok(scoped.start_el().matches("Error"))
19}
20
21pub fn error_scope<'a, 'b>(doc: &'a mut Document<'b>) -> Result<ScopedDecoder<'b, 'a>, XmlDecodeError> {
22    let scoped = doc.root_element()?;
23    if !scoped.start_el().matches("Error") {
24        return Err(XmlDecodeError::custom("expected error as root"));
25    }
26    Ok(scoped)
27}
28
29pub fn parse_error_metadata(body: &[u8]) -> Result<ErrorMetadataBuilder, XmlDecodeError> {
30    let mut doc = Document::try_from(body)?;
31    let mut root = doc.root_element()?;
32    let mut builder = ErrorMetadata::builder();
33    while let Some(mut tag) = root.next_tag() {
34        match tag.start_el().local() {
35            "Code" => {
36                builder = builder.code(try_data(&mut tag)?);
37            }
38            "Message" => {
39                builder = builder.message(try_data(&mut tag)?);
40            }
41            _ => {}
42        }
43    }
44    Ok(builder)
45}
46
47#[cfg(test)]
48mod test {
49    use super::{body_is_error, parse_error_metadata};
50
51    #[test]
52    fn parse_unwrapped_error() {
53        let xml = br#"<Error>
54    <Type>Sender</Type>
55    <Code>InvalidGreeting</Code>
56    <Message>Hi</Message>
57    <AnotherSetting>setting</AnotherSetting>
58    <RequestId>foo-id</RequestId>
59</Error>"#;
60        assert!(body_is_error(xml).unwrap());
61        let parsed = parse_error_metadata(xml).expect("valid xml").build();
62        assert_eq!(parsed.message(), Some("Hi"));
63        assert_eq!(parsed.code(), Some("InvalidGreeting"));
64    }
65}
aws_sdk_s3/rest_xml_unwrapped_errors.rs

aws_sdk_s3/
rest_xml_unwrapped_errors.rs
