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handle edge case in JSON file read/write code

This commit is contained in:
Jesse Plamondon-Willard 2017-04-26 14:40:55 -04:00
parent 89221b8b2d
commit e7606884ad
1 changed files with 12 additions and 0 deletions
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12
src/StardewModdingAPI/Framework/Serialisation/JsonHelper.cs
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@ -31,9 +31,14 @@ namespace StardewModdingAPI.Framework.Serialisation
/// <typeparam name="TModel">The model type.</typeparam> /// <typeparam name="TModel">The model type.</typeparam>
/// <param name="fullPath">The absolete file path.</param> /// <param name="fullPath">The absolete file path.</param>
/// <returns>Returns the deserialised model, or <c>null</c> if the file doesn't exist or is empty.</returns> /// <returns>Returns the deserialised model, or <c>null</c> if the file doesn't exist or is empty.</returns>
/// <exception cref="InvalidOperationException">The given path is empty or invalid.</exception>
public TModel ReadJsonFile<TModel>(string fullPath) public TModel ReadJsonFile<TModel>(string fullPath)
where TModel : class where TModel : class
{ {
// validate
if (string.IsNullOrWhiteSpace(fullPath))
throw new ArgumentException("The file path is empty or invalid.", nameof(fullPath));
// read file // read file
string json; string json;
try try
@ -53,11 +58,18 @@ namespace StardewModdingAPI.Framework.Serialisation
/// <typeparam name="TModel">The model type.</typeparam> /// <typeparam name="TModel">The model type.</typeparam>
/// <param name="fullPath">The absolete file path.</param> /// <param name="fullPath">The absolete file path.</param>
/// <param name="model">The model to save.</param> /// <param name="model">The model to save.</param>
/// <exception cref="InvalidOperationException">The given path is empty or invalid.</exception>
public void WriteJsonFile<TModel>(string fullPath, TModel model) public void WriteJsonFile<TModel>(string fullPath, TModel model)
where TModel : class where TModel : class
{ {
// validate
if (string.IsNullOrWhiteSpace(fullPath))
throw new ArgumentException("The file path is empty or invalid.", nameof(fullPath));
// create directory if needed // create directory if needed
string dir = Path.GetDirectoryName(fullPath); string dir = Path.GetDirectoryName(fullPath);
if (dir == null)
throw new ArgumentException("The file path is invalid.", nameof(fullPath));
if (!Directory.Exists(dir)) if (!Directory.Exists(dir))
Directory.CreateDirectory(dir); Directory.CreateDirectory(dir);