1 files changed, 175 insertions, 0 deletions
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/Tasks.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/Tasks.java
new file mode 100644
index 000000000..d75737c66
--- /dev/null
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/Tasks.java
@@ -0,0 +1,175 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.anjocaido.groupmanager.utils;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+import java.util.List;
+
+import org.anjocaido.groupmanager.GroupManager;
+import org.anjocaido.groupmanager.data.Group;
+
+/**
+ * 
+ * @author gabrielcouto
+ */
+public abstract class Tasks {
+
+	/**
+	 * Gets the exception stack trace as a string.
+	 * 
+	 * @param exception
+	 * @return stack trace as a string
+	 */
+	public static String getStackTraceAsString(Exception exception) {
+
+		StringWriter sw = new StringWriter();
+		PrintWriter pw = new PrintWriter(sw);
+		exception.printStackTrace(pw);
+		return sw.toString();
+	}
+
+	public static void copy(InputStream src, File dst) throws IOException {
+
+		InputStream in = src;
+		OutputStream out = new FileOutputStream(dst);
+
+		// Transfer bytes from in to out
+		byte[] buf = new byte[1024];
+		int len;
+		while ((len = in.read(buf)) > 0) {
+			out.write(buf, 0, len);
+		}
+		out.close();
+		try {
+			in.close();
+		} catch (Exception e) {
+		}
+	}
+
+	public static void copy(File src, File dst) throws IOException {
+
+		InputStream in = new FileInputStream(src);
+		copy(in, dst);
+	}
+
+	/**
+	 * Appends a string to a file
+	 * 
+	 * @param data
+	 * @param file
+	 */
+	public static void appendStringToFile(String data, String file) throws IOException {
+
+		FileWriter outStream = new FileWriter("." + System.getProperty("file.separator") + file, true);
+
+		BufferedWriter out = new BufferedWriter(outStream);
+
+		data.replaceAll("\n", System.getProperty("line.separator"));
+
+		out.append(new SimpleDateFormat("yyyy-MM-dd HH-mm").format(System.currentTimeMillis()));
+		out.append(System.getProperty("line.separator"));
+		out.append(data);
+		out.append(System.getProperty("line.separator"));
+
+		out.close();
+	}
+
+	public static void removeOldFiles(GroupManager gm, File folder) {
+
+		if (folder.isDirectory()) {
+			long oldTime = System.currentTimeMillis() - (((long) gm.getGMConfig().getBackupDuration() * 60 * 60) * 1000);
+			for (File olds : folder.listFiles()) {
+				if (olds.isFile()) {
+					if (olds.lastModified() < oldTime) {
+						try {
+							olds.delete();
+						} catch (Exception e) {
+						}
+					}
+				}
+			}
+		}
+	}
+
+	public static String getDateString() {
+
+		GregorianCalendar now = new GregorianCalendar();
+		String date = "";
+		date += now.get(Calendar.DAY_OF_MONTH);
+		date += "-";
+		date += now.get(Calendar.HOUR);
+		date += "-";
+		date += now.get(Calendar.MINUTE);
+		return date;
+	}
+
+	public static String getStringListInString(List<String> list) {
+
+		if (list == null) {
+			return "";
+		}
+		String result = "";
+		for (int i = 0; i < list.size(); i++) {
+			result += list.get(i);
+			if (i < list.size() - 1) {
+				result += ", ";
+			}
+		}
+		return result;
+	}
+
+	public static String getStringArrayInString(String[] list) {
+
+		if (list == null) {
+			return "";
+		}
+		String result = "";
+		for (int i = 0; i < list.length; i++) {
+			result += list[i];
+			if (i < ((list.length) - 1)) {
+				result += ", ";
+			}
+		}
+		return result;
+	}
+
+	public static String getGroupListInString(List<Group> list) {
+
+		if (list == null) {
+			return "";
+		}
+		String result = "";
+		for (int i = 0; i < list.size(); i++) {
+			result += list.get(i).getName();
+			if (i < list.size() - 1) {
+				result += ", ";
+			}
+		}
+		return result;
+	}
+
+	public static String join(String[] arr, String separator) {
+
+		if (arr.length == 0)
+			return "";
+		String out = arr[0].toString();
+		for (int i = 1; i < arr.length; i++)
+			out += separator + arr[i];
+		return out;
+	}
+
+}