v1.00rc1

src/de/diddiz/util/Utils.java

@@ -0,0 +1,88 @@
+package de.diddiz.util;
+
+import java.io.BufferedOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URL;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+
+public class Utils
+{
+	public static void download(URL u, File file) throws Exception {
+		if (!file.getParentFile().exists())
+			file.getParentFile().mkdir();
+		if (file.exists())
+			file.delete();
+		file.createNewFile();
+		final InputStream in = u.openStream();
+		final OutputStream out = new BufferedOutputStream(new FileOutputStream(file));
+		final byte[] buffer = new byte[1024];
+		int len;
+		while ((len = in.read(buffer)) >= 0)
+			out.write(buffer, 0, len);
+		in.close();
+		out.close();
+	}
+
+	public static boolean isInt(String str) {
+		try {
+			Integer.parseInt(str);
+			return true;
+		} catch (final NumberFormatException ex) {}
+		return false;
+	}
+
+	public static int parseTimeSpec(String[] spec) {
+		if (spec == null || spec.length < 1 || spec.length > 2)
+			return -1;
+		if (!spec[0].contains(":") || !spec[0].contains("."))
+			if (spec.length == 2) {
+				if (!isInt(spec[0]))
+					return -1;
+				int min = Integer.parseInt(spec[0]);
+				if (spec[1].startsWith("h"))
+					min *= 60;
+				else if (spec[1].startsWith("d"))
+					min *= 1440;
+				return min;
+			} else if (spec.length == 1) {
+				int days = 0, hours = 0, minutes = 0;
+				int lastIndex = 0, currIndex = 1;
+				while (currIndex <= spec[0].length()) {
+					while (currIndex <= spec[0].length() && isInt(spec[0].substring(lastIndex, currIndex)))
+						currIndex++;
+					if (currIndex - 1 != lastIndex) {
+						final String param = spec[0].substring(currIndex - 1, currIndex).toLowerCase();
+						if (param.equals("d"))
+							days = Integer.parseInt(spec[0].substring(lastIndex, currIndex - 1));
+						else if (param.equals("h"))
+							hours = Integer.parseInt(spec[0].substring(lastIndex, currIndex - 1));
+						else if (param.equals("m"))
+							minutes = Integer.parseInt(spec[0].substring(lastIndex, currIndex - 1));
+						lastIndex = currIndex;
+						currIndex++;
+					}
+				}
+				if (days == 0 && hours == 0 && minutes == 0)
+					return -1;
+				return minutes + hours * 60 + days * 1440;
+			} else
+				return -1;
+		final String timestamp;
+		if (spec.length == 1) {
+			if (spec[0].contains(":"))
+				timestamp = new SimpleDateFormat("dd.MM.yyyy").format(System.currentTimeMillis()) + " " + spec[0];
+			else
+				timestamp = spec[0] + " 00:00:00";
+		} else
+			timestamp = spec[0] + " " + spec[1];
+		try {
+			return (int)((System.currentTimeMillis() - new SimpleDateFormat("dd.MM.yyyy HH:mm:ss").parse(timestamp).getTime()) / 60000);
+		} catch (final ParseException ex) {
+			return -1;
+		}
+	}
+}