refactor: use AbstractWrapper

1 files changed, 58 insertions, 0 deletions

diff --git a/library/src/main/java/top/trumeet/redirectstorage/wrapper/AbstractWrapper.java b/library/src/main/java/top/trumeet/redirectstorage/wrapper/AbstractWrapper.java
new file mode 100644
index 0000000..2a3d2ce
--- /dev/null
+++ b/library/src/main/java/top/trumeet/redirectstorage/wrapper/AbstractWrapper.java
@@ -0,0 +1,58 @@
+package top.trumeet.redirectstorage.wrapper;
+
+import android.os.Build;
+import android.os.Environment;
+
+import java.io.File;
+
+/**
+ * Created by Trumeet on 2017/9/15.
+ */
+
+public abstract class AbstractWrapper extends Environment.UserEnvironment {
+    public static AbstractWrapper getWrapper (Environment.UserEnvironment base,
+                                              String customPath,
+                                              Integer userId) {
+        checkNonNull(base);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            checkNonNull(userId);
+            return new UserEnvironmentWrapperMarshmallow(base,
+                    userId, customPath);
+        }
+        return null;
+    }
+
+    private static void checkNonNull (Object object) {
+        if (object == null)
+            throw new NullPointerException();
+    }
+
+    final Environment.UserEnvironment mBase;
+    String mCustomPath;
+    boolean mEnable = true;
+
+    public AbstractWrapper(Environment.UserEnvironment ue,
+                                             int userId, String customPath) {
+        super(userId);
+        mBase = ue;
+        mCustomPath = customPath;
+    }
+
+    public boolean isEnable() {
+        return mEnable;
+    }
+
+    public void setEnable(boolean mEnable) {
+        this.mEnable = mEnable;
+    }
+
+    public String getCustomPath() {
+        return mCustomPath;
+    }
+
+    public void setCustomPath(String mCustomPath) {
+        this.mCustomPath = mCustomPath;
+    }
+
+    public abstract File getRealExternalStorageDirectory ();
+}