1 files changed, 149 insertions, 100 deletions
diff --git a/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/Tasks.java b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/Tasks.java
index f3defd94a..d75737c66 100644
--- a/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/Tasks.java
+++ b/EssentialsGroupManager/src/org/anjocaido/groupmanager/utils/Tasks.java
@@ -4,12 +4,17 @@
  */
 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;
@@ -18,109 +23,153 @@ import org.anjocaido.groupmanager.GroupManager;
 import org.anjocaido.groupmanager.data.Group;
 
 /**
- *
+ * 
  * @author gabrielcouto
  */
 public abstract class Tasks {
 
-    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);
-    }
-
-    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;
-    }
+	/**
+	 * 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;
+	}
 
 }