Attempt to fix selector memeory leak. Add update checker

common/src/main/java/com/stardust/pio/PWritableTextFile.java

@@ -0,0 +1,116 @@
+package com.stardust.pio;
+
+import java.io.BufferedWriter;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.io.UnsupportedEncodingException;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Created by Stardust on 2017/4/1.
+ */
+
+public class PWritableTextFile extends PFile {
+
+    public static PWritableTextFile open(String path, String encoding, int bufferSize) {
+        return new PWritableTextFile(path, encoding, bufferSize, false);
+    }
+
+    public static PWritableTextFile open(String path, String encoding) {
+        return new PWritableTextFile(path, encoding);
+    }
+
+    public static PWritableTextFile open(String path, boolean append) {
+        return new PWritableTextFile(path, append);
+    }
+
+    public static PWritableTextFile open(String path) {
+        return new PWritableTextFile(path);
+    }
+
+    private BufferedWriter mBufferedWriter;
+
+    public PWritableTextFile(String path, String encoding, int bufferingSize, boolean append) {
+        if (bufferingSize <= 0) {
+            bufferingSize = PFile.DEFAULT_BUFFER_SIZE;
+        }
+        try {
+            mBufferedWriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(path, append), encoding), bufferingSize);
+        } catch (UnsupportedEncodingException | FileNotFoundException e) {
+            throw new UncheckedIOException(e);
+        }
+    }
+
+    public PWritableTextFile(String path) {
+        this(path, PFile.DEFAULT_ENCODING, PFile.DEFAULT_BUFFER_SIZE, false);
+    }
+
+    public PWritableTextFile(String path, boolean append) {
+        this(path, PFile.DEFAULT_ENCODING, PFile.DEFAULT_BUFFER_SIZE, append);
+    }
+
+    public PWritableTextFile(String path, int bufferSize) {
+        this(path, PFile.DEFAULT_ENCODING, bufferSize, false);
+    }
+
+    public PWritableTextFile(String path, String encoding) {
+        this(path, encoding, DEFAULT_BUFFER_SIZE, false);
+    }
+
+    public PWritableTextFile(String path, String encoding, boolean append) {
+        this(path, encoding, DEFAULT_BUFFER_SIZE, append);
+    }
+
+    public PWritableTextFile(String path, String encoding, int bufferSize) {
+        this(path, encoding, bufferSize, false);
+    }
+
+
+    public void write(String str) {
+        try {
+            mBufferedWriter.write(str);
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        }
+    }
+
+    public void writeline(String line) {
+        try {
+            mBufferedWriter.write(line);
+            mBufferedWriter.newLine();
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        }
+    }
+
+    public void writelines(String[] lines) {
+        writelines(Arrays.asList(lines));
+    }
+
+    public void writelines(List<String> lines) {
+        for (String line : lines) {
+            writeline(line);
+        }
+    }
+
+    public void close() {
+        try {
+            mBufferedWriter.close();
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        }
+    }
+
+    public void flush() {
+        try {
+            mBufferedWriter.flush();
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        }
+    }
+
+
+}