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CoreUtilities.java
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CoreUtilities.java
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package net.aufdemrand.denizencore.utilities;
import net.aufdemrand.denizencore.utilities.debugging.dB;
import java.io.File;
import java.io.FilenameFilter;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
public class CoreUtilities {
static Random random = new Random();
public static Random getRandom() {
return random;
}
protected static FilenameFilter scriptsFilter;
static {
scriptsFilter = new FilenameFilter() {
public boolean accept(File file, String fileName) {
if (fileName.startsWith(".")) return false;
String ext = fileName.substring(fileName.lastIndexOf('.') + 1);
return ext.equalsIgnoreCase("YML") || ext.equalsIgnoreCase("DSCRIPT");
}
};
}
/**
* Lists all files in the given directory.
*
* @param dir The directory to search in
* @return A {@link java.io.File} collection
*/
public static List<File> listDScriptFiles(File dir) {
List<File> files = new ArrayList<File>();
File[] entries = dir.listFiles();
for (File file : entries) {
// Add file
if (scriptsFilter == null || scriptsFilter.accept(dir, file.getName())) {
files.add(file);
}
// Add subdirectories
if (file.isDirectory()) {
files.addAll(listDScriptFiles(file));
}
}
return files;
}
public static List<String> split(String str, char c) {
List<String> strings = new ArrayList<String>();
int start = 0;
for (int i = 0; i < str.length(); i++) {
if (str.charAt(i) == c) {
strings.add(str.substring(start, i));
start = i + 1;
}
}
strings.add(str.substring(start, str.length()));
return strings;
}
public static String concat(List<String> str, String split) {
StringBuilder sb = new StringBuilder();
if (str.size() > 0) {
sb.append(str.get(0));
}
for (int i = 1; i < str.size(); i++) {
sb.append(split).append(str.get(i));
}
return sb.toString();
}
public static List<String> split(String str, char c, int max) {
List<String> strings = new ArrayList<String>();
int start = 0;
for (int i = 0; i < str.length(); i++) {
if (str.charAt(i) == c) {
strings.add(str.substring(start, i));
start = i + 1;
if (strings.size() + 1 == max) {
break;
}
}
}
strings.add(str.substring(start, str.length()));
if (dB.verbose)
dB.log("Splitting " + str + " around " + c + " limited to " + max + " returns " + concat(strings, ":::"));
return strings;
}
public static String toLowerCase(String input) {
char[] data = input.toCharArray();
for (int i = 0; i < data.length; i++) {
if (data[i] >= 'A' && data[i] <= 'Z') {
data[i] -= 'A' - 'a';
}
}
return new String(data);
}
public static String getXthArg(int argc, String args) {
char[] data = args.toCharArray();
StringBuilder nArg = new StringBuilder();
int arg = 0;
int x = 0;
for (int i = 0; i < data.length; i++) {
if (data[i] == ' ') {
arg++;
if (arg > argc) {
return nArg.toString();
}
}
else if (arg == argc) {
nArg.append(data[i]);
}
}
return nArg.toString();
}
public static boolean xthArgEquals(int argc, String args, String input) {
char[] data = args.toCharArray();
char[] data2 = input.toCharArray();
int arg = 0;
int x = 0;
for (int i = 0; i < data.length; i++) {
if (data[i] == ' ') {
arg++;
}
else if (arg == argc) {
if (x == data2.length) {
return false;
}
if (data2[x++] != data[i]) {
return false;
}
}
}
return x == data2.length;
}
}