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extern crate serde;
extern crate serde_json;
extern crate valico;
use std::fs::File;
use std::io::BufReader;
use std::io::Read;
use serde_json::from_str;
use valico::json_schema;
pub struct Validator {
schema_content: String
}
impl Validator {
pub fn from_file(schema_path: &'static str) -> Result<Validator, String> {
let file = match File::open(schema_path) {
Ok(file) => file,
Err(_) => return Err(String::from("Could not open file"))
};
let mut buf_reader = BufReader::new(file);
let mut content = String::new();
match buf_reader.read_to_string(&mut content) {
Ok(_) => (),
Err(_) => return Err(String::from("Could not read from file"))
};
return Validator::from_string(content);
}
pub fn from_string(schema: String) -> Result<Validator, String> {
let s = match from_str(&schema) {
Ok(schema) => schema,
Err(_) => return Err(String::from("Could not parse schema"))
};
let mut scope = json_schema::Scope::new();
match scope.compile_and_return(s, true) {
Ok(_) => (),
Err(_) => return Err(String::from("Could not compile schema"))
};
return Ok(Validator { schema_content: schema });
}
pub fn check(&self, content: &str) -> bool {
let obj = from_str(content).unwrap();
let mut scope = json_schema::Scope::new();
let schema = from_str(&self.schema_content).unwrap();
let schema = scope.compile_and_return(schema, true).ok().unwrap();
return schema.validate(&obj).is_valid();
}
}
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