Add json deserializer

src/main.rs

@@ -1,5 +1,6 @@
 #[macro_use] extern crate clap;
 #[macro_use] extern crate log;
+#[macro_use] extern crate serde_json;
 extern crate config;
 extern crate regex;
 

src/storage/json/mod.rs

@@ -0,0 +1 @@
+pub mod parser;

src/storage/json/parser.rs

@@ -0,0 +1,30 @@
+use serde_json::Value;
+
+use super::parser;
+
+struct JsonHeaderParser {
+    spec: &FileHeaderSpec,
+}
+
+impl FileHeaderParser for JsonHeaderParser {
+
+    fn new(spec: &FileHeaderSpec) -> JsonHeaderParser {
+        JsonHeaderParser {
+            spec: spec
+        }
+    }
+
+    fn read(&self, string: Option<String>)
+        -> Result<FileHeaderData, ParserError>
+    {
+        if let Ok(content) = data = serde_json::from_str(&string[..]) {
+        } else {
+            ParserError::short("Unknown JSON parser error", string.clone(), 0)
+        }
+    }
+
+    fn write(&self, data: &FileHeaderData) -> Result<String, ParserError> {
+    }
+
+}
+

src/storage/mod.rs

@@ -7,3 +7,5 @@ pub use runtime::Runtime;
 pub mod file;
 pub mod parser;
 
+pub mod json;
+