X-Git-Url: http://www2.svjatoslav.eu/gitweb/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Feu%2Fsvjatoslav%2Fcommons%2Ffile%2FIOHelper.java;h=e7ee659e8b729acb282fe14821e79691487c7176;hb=846af2def5b489670668b978e4ea703c8dfb22b6;hp=97d3b44252e0d9f99fb42f6a32d9c7ba1c9c09a2;hpb=26f09b1ebcafae67855b55ad588d5332a107d202;p=svjatoslav_commons.git

diff --git a/src/main/java/eu/svjatoslav/commons/file/IOHelper.java b/src/main/java/eu/svjatoslav/commons/file/IOHelper.java
old mode 100644
new mode 100755
index 97d3b44..e7ee659
--- a/src/main/java/eu/svjatoslav/commons/file/IOHelper.java
+++ b/src/main/java/eu/svjatoslav/commons/file/IOHelper.java
@@ -1,10 +1,10 @@
 /*
  * Svjatoslav Commons - shared library of common functionality.
- * Copyright (C) 2012, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- * 
+ * Copyright ©2012-2014, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ *
  * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
+ * modify it under the terms of version 3 of the GNU Lesser General Public License
+ * or later as published by the Free Software Foundation.
  */
 
 package eu.svjatoslav.commons.file;
@@ -14,9 +14,38 @@ import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.UnsupportedEncodingException;
 
 public class IOHelper {
 
+	/**
+	 * Deletes files and directories recursively. WARNING!!! Follows symlinks!!!
+	 *
+	 * @param file
+	 *            directory to delete with entire contents.
+	 *
+	 * @throws IOException
+	 *             if filesystem error happens
+	 */
+	public static void deleteRecursively(final File file) throws IOException {
+		if (file.isDirectory()) {
+
+			for (final File subFile : file.listFiles())
+				deleteRecursively(subFile);
+
+			if (!file.delete())
+				throw new FileNotFoundException("Failed to delete directory: "
+						+ file);
+
+			return;
+		}
+
+		if (file.isFile())
+			if (!file.delete())
+				throw new FileNotFoundException("Failed to delete file: "
+						+ file);
+	}
+
 	public static byte[] getFileContents(final File file)
 			throws FileNotFoundException, IOException {
 
@@ -27,12 +56,30 @@ public class IOHelper {
 		return result;
 	}
 
+	public static String getFileContentsAsString(final File file)
+			throws FileNotFoundException, IOException {
+		try {
+			return new String(getFileContents(file), "UTF-8");
+		} catch (final UnsupportedEncodingException exception) {
+			throw new RuntimeException(exception);
+		}
+	}
+
 	/**
 	 * Compares new file content with old file content. If content in equal,
 	 * then leaves file as-is. If content differs, then overrides file with the
 	 * new content.
-	 * 
+	 *
+	 * @param file
+	 *            file to potentially overwrite
+	 * @param newContent
+	 *            new content
 	 * @return <code>true</code> if file was overwritten.
+	 *
+	 * @throws FileNotFoundException
+	 *             if file is not found.
+	 * @throws IOException
+	 *             if error happens during file IO.
 	 */
 	public static boolean overwriteFileIfContentDiffers(final File file,
 			final byte[] newContent) throws FileNotFoundException, IOException {