Backup clip database on startup every X days.

Author: NathanSweet

src/com/esotericsoftware/clippy/Clippy.java

@@ -47,11 +47,13 @@
 import com.esotericsoftware.clippy.Win.POINT;
 import com.esotericsoftware.clippy.util.MultiplexOutputStream;
 import com.esotericsoftware.clippy.util.TextItem;
+import com.esotericsoftware.clippy.util.Util;
 import com.esotericsoftware.minlog.Log;
 import com.esotericsoftware.minlog.Log.Logger;
 import com.sun.jna.WString;
 
 // BOZO - Favorites that always show up before others when searching.
+// BOZO - Don't auto paste if alt is down.
 
 /** @author Nathan Sweet */
 public class Clippy {
@@ -136,6 +138,24 @@ public void uncaughtException (Thread thread, Throwable ex) {
 
 		TextItem.font = Font.decode(config.font);
 
+		// Backup clip database on startup every X days. 
+		File backupDir = new File(System.getProperty("user.home"), ".clippy/db-backup2");
+		File oldestDir = new File(System.getProperty("user.home"), ".clippy/db-backup1");
+		if (backupDir.lastModified() < oldestDir.lastModified()) {
+			File temp = oldestDir;
+			oldestDir = backupDir;
+			backupDir = temp;
+		}
+		if (System.currentTimeMillis() - backupDir.lastModified() > 1000l * 60 * 60 * 24 * config.clipBackupDays) {
+			try {
+				if (INFO) info("Backing up clip database: " + oldestDir.getAbsolutePath());
+				Util.delete(oldestDir);
+				Util.copy(new File(System.getProperty("user.home"), ".clippy/db"), oldestDir);
+			} catch (IOException ex) {
+				if (ERROR) error("Error backing up clip database.", ex);
+			}
+		}
+
 		try {
 			db = new ClipDataStore();
 		} catch (SQLException ex) {

src/com/esotericsoftware/clippy/Config.java

@@ -63,6 +63,8 @@ public class Config {
 	public boolean popupPastes = true;
 	public String font = "Consolas-14";
 
+	public int clipBackupDays = 7;
+
 	public String screenshotHotkey = null;
 	public String screenshotAppHotkey = "ctrl alt shift BACK_SLASH";
 	public String screenshotRegionHotkey = "ctrl alt BACK_SLASH";

src/com/esotericsoftware/clippy/util/Util.java

@@ -26,10 +26,13 @@
 import java.awt.GraphicsEnvironment;
 import java.awt.Point;
 import java.awt.Robot;
+import java.io.Closeable;
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
@@ -195,6 +198,45 @@ static private boolean canWrite (File file) {
 		}
 	}
 
+	static public void delete (File file) {
+		if (file.isDirectory()) {
+			for (File child : file.listFiles())
+				delete(child);
+		}
+		file.delete();
+	}
+
+	static public void copy (File src, File dest) throws IOException {
+		if (src.isDirectory()) {
+			dest.mkdirs();
+			for (File child : src.listFiles())
+				copy(child, new File(dest, child.getName()));
+			return;
+		}
+		InputStream in = null;
+		OutputStream out = null;
+		try {
+			in = new FileInputStream(src);
+			out = new FileOutputStream(dest);
+			byte[] buffer = new byte[1024];
+			while (true) {
+				int count = in.read(buffer);
+				if (count == -1) break;
+				out.write(buffer, 0, count);
+			}
+		} finally {
+			close(in);
+			close(out);
+		}
+	}
+
+	static public void close (Closeable c) {
+		try {
+			if (c != null) c.close();
+		} catch (Throwable ignored) {
+		}
+	}
+
 	static public String id (int length) {
 		int alphabetLength = alphabet.length();
 		StringBuilder buffer = new StringBuilder();