diff options
Diffstat (limited to 'engine/src/desktop/jme3tools/navigation/StringUtil.java')
| -rw-r--r-- | engine/src/desktop/jme3tools/navigation/StringUtil.java | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/engine/src/desktop/jme3tools/navigation/StringUtil.java b/engine/src/desktop/jme3tools/navigation/StringUtil.java new file mode 100644 index 0000000..b59f68f --- /dev/null +++ b/engine/src/desktop/jme3tools/navigation/StringUtil.java @@ -0,0 +1,260 @@ +/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package jme3tools.navigation;
+
+import java.util.regex.Pattern;
+
+/**
+ * A collection of String utilities.
+ *
+ * @author Benjamin Jakobus
+ * @version 1.0
+ */
+public class StringUtil {
+
+ /**
+ * Splits a newline (\n) delimited string into an array of strings
+ *
+ * @param str the string to split up
+ * @param delimiter the delimiter to use in splitting
+ * @returns an array of String objects equivalent to str
+ */
+ public String[] splitDelimitedStr(String str, String delimiter) {
+ Pattern pttn = Pattern.compile(delimiter);
+ return pttn.split(str);
+ }
+
+ /**
+ * Right aligns a long number with spaces for printing
+ *
+ * @param num the number to be aligned
+ * @param totalLen the total length of the padded string
+ * @return the padded number
+ */
+ public String padNum(long num, int totalLen) {
+ String numStr = Long.toString(num);
+ int len = totalLen - numStr.length();
+ String pads = "";
+ for (int i = 0; i < len; i++) {
+ pads += " ";
+ }
+ return pads + numStr;
+ }
+
+ /**
+ * Right aligns a long number with zeros for printing
+ *
+ * @param num the number to be aligned
+ * @param totalLen the total length of the padded string
+ * @return the padded number
+ */
+ public String padNumZero(long num, int totalLen) {
+ String numStr = Long.toString(num);
+ int len = totalLen - numStr.length();
+ String pads = "";
+ for (int i = 0; i < len; i++) {
+ pads += "0";
+ }
+ return pads + numStr;
+ }
+
+ /**
+ * Right aligns an integer number with spaces for printing
+ *
+ * @param num the number to be aligned
+ * @param totalLen the total length of the padded string
+ * @return the padded number
+ */
+ public String padNum(int num, int totalLen) {
+ String numStr = Integer.toString(num);
+ int len = totalLen - numStr.length();
+ String pads = "";
+ for (int i = 0; i < len; i++) {
+ pads += " ";
+ }
+ return pads + numStr;
+ }
+
+ /**
+ * Right aligns an integer number with zeros for printing
+ *
+ * @param num the number to be aligned
+ * @param totalLen the total length of the padded string
+ * @return the padded number
+ */
+ public String padNumZero(int num, int totalLen) {
+ String numStr = Integer.toString(num);
+ int len = totalLen - numStr.length();
+ String pads = "";
+ for (int i = 0; i < len; i++) {
+ pads += "0";
+ }
+ return pads + numStr;
+ }
+
+ /**
+ * Right aligns a double number with spaces for printing
+ *
+ * @param num the number to be aligned
+ * @param wholeLen the total length of the padded string
+ * @return the padded number
+ */
+ public String padNum(double num, int wholeLen, int decimalPlaces) {
+ String numStr = Double.toString(num);
+ int dpLoc = numStr.indexOf(".");
+
+ int len = wholeLen - dpLoc;
+ String pads = "";
+ for (int i = 0; i < len; i++) {
+ pads += " ";
+ }
+
+ numStr = pads + numStr;
+
+ dpLoc = numStr.indexOf(".");
+
+ if (dpLoc + 1 + decimalPlaces > numStr.substring(dpLoc).length()) {
+ return numStr;
+ }
+ return numStr.substring(0, dpLoc + 1 + decimalPlaces);
+ }
+
+ /**
+ * Right aligns a double number with zeros for printing
+ *
+ * @param num the number to be aligned
+ * @param wholeLen the total length of the padded string
+ * @return the padded number
+ */
+ public String padNumZero(double num, int wholeLen, int decimalPlaces) {
+ String numStr = Double.toString(num);
+ int dpLoc = numStr.indexOf(".");
+
+ int len = wholeLen - dpLoc;
+ String pads = "";
+ for (int i = 0; i < len; i++) {
+ pads += "0";
+ }
+
+ numStr = pads + numStr;
+
+ dpLoc = numStr.indexOf(".");
+
+ if (dpLoc + 1 + decimalPlaces > numStr.substring(dpLoc).length()) {
+ return numStr;
+ }
+ return numStr.substring(0, dpLoc + 1 + decimalPlaces);
+ }
+
+ /**
+ * Right aligns a float number with spaces for printing
+ *
+ * @param num the number to be aligned
+ * @param wholeLen the total length of the padded string
+ * @return the padded number
+ */
+ public String padNum(float num, int wholeLen, int decimalPlaces) {
+ String numStr = Float.toString(num);
+ int dpLoc = numStr.indexOf(".");
+
+ int len = wholeLen - dpLoc;
+ String pads = "";
+ for (int i = 0; i < len; i++) {
+ pads += " ";
+ }
+
+ numStr = pads + numStr;
+
+ dpLoc = numStr.indexOf(".");
+
+ if (dpLoc + 1 + decimalPlaces > numStr.substring(dpLoc).length()) {
+ return numStr;
+ }
+ return numStr.substring(0, dpLoc + 1 + decimalPlaces);
+ }
+
+ /**
+ * Right aligns a float number with zeros for printing
+ *
+ * @param num the number to be aligned
+ * @param wholeLen the total length of the padded string
+ * @return the padded number
+ */
+ public String padNumZero(float num, int wholeLen, int decimalPlaces) {
+ String numStr = Float.toString(num);
+ int dpLoc = numStr.indexOf(".");
+
+ int len = wholeLen - dpLoc;
+ String pads = "";
+
+ if (numStr.charAt(0) == '-') {
+ len += 1;
+ for (int i = 0; i < len; i++) {
+ pads += "0";
+ }
+ pads = "-" + pads;
+ numStr = pads + numStr.substring(1);
+ } else {
+ for (int i = 0; i < len; i++) {
+ pads += "0";
+ }
+ numStr = pads + numStr;
+ }
+
+ dpLoc = numStr.indexOf(".");
+ int length = numStr.substring(dpLoc).length();
+ while (length < decimalPlaces) {
+ numStr += "0";
+ }
+ return numStr;
+
+ }
+
+ /**
+ * Right aligns a float number with zeros for printing
+ *
+ * @param num the number to be aligned
+ * @param wholeLen the total length of the padded string
+ * @return the padded number
+ */
+ public String padStringRight(String input, int wholeLen) {
+ for (int i = input.length(); i < wholeLen; i++) {
+ input += " ";
+ }
+ return input;
+ }
+
+ /**
+ * @param arr a boolean array to be represented as a string
+ * @return the array as a string
+ */
+ public String boolArrToStr(boolean[] arr) {
+ String output = "";
+ for (int i = 0; i < arr.length; i++) {
+ if (arr[i]) {
+ output += "1";
+ } else {
+ output += "0";
+ }
+ }
+ return output;
+ }
+
+ /**
+ * Formats a double nicely for printing: THIS DOES NOT ROUND!!!!
+ * @param num the double to be turned into a pretty string
+ * @return the pretty string
+ */
+ public String prettyNum(double num) {
+ String numStr = (new Double(num)).toString();
+
+ while (numStr.length() < 4) {
+ numStr += "0";
+ }
+
+ numStr = numStr.substring(0, numStr.indexOf(".") + 3);
+ return numStr;
+ }
+}
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