简化adapter配置

client-adapter/common/src/main/java/com/alibaba/otter/canal/client/adapter/support/AdapterConfigs.java

@@ -1,41 +0,0 @@
-package com.alibaba.otter.canal.client.adapter.support;
-
-import java.util.HashMap;
-import java.util.LinkedHashSet;
-import java.util.Map;
-import java.util.Set;
-
-/**
- * 适配器配置集合, 用于配置加载, 线程不安全
- *
- * @author rewerma @ 2018-10-20
- * @version 1.0.0
- */
-public class AdapterConfigs {
-
-    /**
-     * 类型下对应所有配置名, 如:
-     * hbase
-     *  ┗━ mytest_person.yml
-     *  ┗━ mytest_role.yml
-     *  ┗━ mytest_department.yml
-     */
-    private static Map<String, Set<String>> configs = new HashMap<>();
-
-    public static void put(String key, String value) {
-        Set<String> values = configs.get(key);
-        if (values == null) {
-            values = new LinkedHashSet<>();
-        }
-        values.add(value);
-        configs.put(key, values);
-    }
-
-    public static Set<String> get(String key) {
-        return configs.get(key);
-    }
-
-    public static void clear() {
-        configs.clear();
-    }
-}

client-adapter/common/src/main/java/com/alibaba/otter/canal/client/adapter/support/MappingConfigsLoader.java

@@ -0,0 +1,46 @@
+package com.alibaba.otter.canal.client.adapter.support;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.util.HashMap;
+import java.util.Map;
+
+public class MappingConfigsLoader {
+
+    public static Map<String, String> loadConfigs(String name) {
+        Map<String, String> configContentMap = new HashMap<>();
+
+        // 先取本地文件，再取类路径
+        File configDir = new File("../conf/" + name);
+        if (!configDir.exists()) {
+            URL url = MappingConfigsLoader.class.getClassLoader().getResource("");
+            if (url != null) {
+                configDir = new File(url.getPath() + name + File.separator);
+            }
+        }
+
+        File[] files = configDir.listFiles();
+        if (files != null) {
+            for (File file : files) {
+                String fileName = file.getName();
+                if (!fileName.endsWith(".yml")) {
+                    continue;
+                }
+                try (InputStream in = new FileInputStream(file)) {
+                    byte[] bytes = new byte[in.available()];
+                    in.read(bytes);
+                    String configContent = new String(bytes, StandardCharsets.UTF_8);
+                    configContentMap.put(fileName, configContent);
+                } catch (IOException e) {
+                    throw new RuntimeException("Read " + name + "mapping config: " + fileName + " error. ", e);
+                }
+            }
+        }
+
+        return configContentMap;
+    }
+}