use cache when loading resource from document

core/src/main/java/com/usthe/sureness/provider/ducument/DocumentResourceAccess.java

@@ -2,14 +2,11 @@ package com.usthe.sureness.provider.ducument;
 
 import org.yaml.snakeyaml.Yaml;
 
+import java.io.File;
+import java.io.FileInputStream;
 import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
-import java.io.OutputStreamWriter;
-import java.io.Writer;
-import java.net.URL;
-import java.nio.charset.StandardCharsets;
 
 /**
  * 资源文件里内容的操作类
@@ -35,6 +32,16 @@ public class DocumentResourceAccess {
     public static DocumentResourceEntity loadConfig() throws IOException {
         Yaml yaml = new Yaml();
         InputStream inputStream = DocumentResourceAccess.class.getClassLoader().getResourceAsStream(yamlFileName);
+        if (inputStream == null) {
+            File yamlFile = new File(yamlFileName);
+            if (yamlFile.exists()) {
+                try (FileInputStream fileInputStream = new FileInputStream(yamlFile)) {
+                    return yaml.loadAs(fileInputStream, DocumentResourceEntity.class);
+                } catch (IOException e) {
+                    throw new IOException(e);
+                }
+            }
+        }
         if (inputStream == null) {
             throw new FileNotFoundException("sureness file: " + DEFAULT_FILE_NAME + " not found, " +
                     "please create the file if you need config resource");
@@ -43,25 +50,10 @@ public class DocumentResourceAccess {
     }
 
     /**
-     * 将更新的信息写入到配置文件中
-     * @param entity 写入的内容实体
-     * @throws IOException 文件不存在或者读写异常时
+     * config file path name
+     * @param fileName 文件路径名称
      */
-    public static void dumpConfig(DocumentResourceEntity entity) throws IOException {
-        Yaml yaml = new Yaml();
-        URL url = DocumentResourceAccess.class.getClassLoader().getResource(yamlFileName);
-        if (url == null) {
-            throw new FileNotFoundException("sureness file: " + DEFAULT_FILE_NAME + " not found, " +
-                    "please create the file if you need config resource");
-        }
-        try (Writer writer = new OutputStreamWriter(new FileOutputStream(url.getPath()), StandardCharsets.UTF_8)) {
-            yaml.dump(entity, writer);
-        } catch (IOException e) {
-            throw new IOException(e);
-        }
-    }
-
-    public static void setYamlName(String name) {
-        yamlFileName = name;
+    public static void setYamlName(String fileName) {
+        yamlFileName = fileName;
     }
 }

core/src/main/java/com/usthe/sureness/provider/ducument/DocumentResourceDefaultProvider.java

@@ -16,6 +16,7 @@ import java.util.Optional;
 import java.util.Set;
 
 /**
+ * provide resource and account data loading from yaml document
  * @author tomsun28
  * @date 22:40 2019-05-24
  */
@@ -36,7 +37,9 @@ public class DocumentResourceDefaultProvider implements PathTreeProvider, Surene
     @Override
     public Set<String> providePathData() {
         try {
-            DocumentResourceEntity entity = DocumentResourceAccess.loadConfig();
+            if (entity == null) {
+                entity = DocumentResourceAccess.loadConfig();
+            }
             List<String> resource = entity.getResourceRole();
             if (resource != null) {
                 return new HashSet<>(entity.getResourceRole());
@@ -51,7 +54,9 @@ public class DocumentResourceDefaultProvider implements PathTreeProvider, Surene
     @Override
     public Set<String> provideExcludedResource() {
         try {
-            DocumentResourceEntity entity = DocumentResourceAccess.loadConfig();
+            if (entity == null) {
+                entity = DocumentResourceAccess.loadConfig();
+            }
             List<String> resource = entity.getExcludedResource();
             if (resource != null) {
                 return new HashSet<>(resource);