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| package org.essilab.exercices.bases.string;
import org.essilab.exercices.bases.string.interfaces.IStringUtil;
import org.essilab.exercices.bases.string.interfaces.IStringUtil.IReplacementCallback;
public abstract class StringUtil implements IStringUtil {
private String String retour;
/**
* <p>Suppress invisible character placed before of after the given string</p>
* <p>for example : " a test " will return "a test"</p>
* @param string the string to trim
* @return the trimed string.
*/
public String trim(String string){
string = string.trim();
return string;
}
/**
* <p>Turn to lowercase the given string.</p>
* <p>for example : "AdCvD,de" will return "adcvd,de"
* </p><p>you can not use Character.is* method</p>
* @param string lowercased string
* @return
*/
public String toLowercase(String string){
String a = new String();
a = string.toLowerCase();
return a ;
}
/**
* <p>Turn to uppercase the given string.</p>
* <p>for example : "AdCvD,de" will return "ADCVD,DE" </p>
* <p>you can not use Character.is* method</p>
* @param string uppercased string
* @return
*/
public String toUppercase(String string){
String b = new String();
b = string.toUpperCase();
return b;
}
/**
* <p>Capitalize the given string</p>
* <p>for example, "aDc bbb,ddd?e:fgh" will return "Adc Bbb,Ddd?E:Fgh"
* </p><p>you can use Character.is* method</p>
* @param string the string to capitalize
* @return
*/
public String capitalize (String string) {
boolean flag;
String charSpecials = ";\":? ,";
StringBuffer buffer = new StringBuffer("");
for (int i = 0; i < string.length(); i++) {
flag = false;
buffer.append(string.charAt(i));
for (int j = 0; j < charSpecials.length(); j++) {
if (string.charAt(i) == charSpecials.charAt(j)) {
flag = true;
break;
}
}
if (flag == true) {
if (i < string.length() - 1) {
i++;
}
buffer.append(Character.toUpperCase(string.charAt(i)));
}
}
buffer.deleteCharAt(buffer.length() - 1);
String retour = buffer.toString();
return retour;
}
/**
* <p>return the camelized upper representation of the given string</p>
* <p>for example, "abg Def.ghi, bla" will return AbaDefGhiBla</p>
* @param string
* @return
*/
public String camelizeUpper(String string){
boolean flag;
String charSpecials = ";\":? ,";
StringBuffer buffer = new StringBuffer("");
for (int i = 0; i < string.length(); i++) {
flag = false;
buffer.append(string.charAt(i));
for (int j = 0; j < charSpecials.length(); j++) {
if (string.charAt(i) == charSpecials.charAt(j)) {
flag = true;
break;
}
}
if (flag == true) {
if (i < string.length() - 1) {
i++;
}
buffer.append(Character.toUpperCase(string.charAt(i)));
}
}
buffer.deleteCharAt(buffer.length() - 1);
String retour = buffer.toString();
String rendu = retour.replaceAll("[\\s\\p{Punct}]","");
return rendu;
}
/**
* <p>return the camelized lower representation of the given string</p>
* <p>for example, "aba Def.ghi, bla" will return abaDefGhiBla</p>
* @param string
* @return
*/
public String camelizeLower(String string){
boolean flag;
String charSpecials = ";\":? ,";
StringBuffer buffer = new StringBuffer("");
for (int i = 0; i < string.length(); i++) {
flag = false;
buffer.append(string.charAt(i));
for (int j = 0; j < charSpecials.length(); j++) {
if (string.charAt(i) == charSpecials.charAt(j)) {
flag = true;
break;
}
}
if (flag == true) {
if (i < string.length() - 1) {
i++;
}
buffer.append(Character.toUpperCase(string.charAt(i)));
}
}
buffer.deleteCharAt(buffer.length() - 1);
String retour = buffer.toString();
//suppression de toute ponctuation
String rendu = retour.replaceAll("[\\s\\p{Punct}]","");
String nouveau= rendu.substring(0,1).toLowerCase();
return nouveau;
}
/**
* <p>Revert the given string</p>
* <p>for example, "abc" will return "cba"
* @param string
* @return
*/
public String revert(String string){
StringBuilder lettersBuff = new StringBuilder(string);
String inverse = lettersBuff.reverse().toString();
return inverse ;
}
/**
* </p><p>Replace in the given input the founded patterns by the replacement.</p>
* <p>You can't use any replace method or any regexp</p>
* <p>for example</p>
* <p>"hello world, hello" with pattern "hello" and replacement "goodbye" will produce</p>
* <p>goodbye world, goodbye</p>
* @param input to input to analyse
* @param pattern the pattern to look for.
* @param replacement the replacement to apply for the matched occurence
* @param all applied replacement to all occurence ?
* @return
*/
/*
* public String replace(String input, String pattern, String replacement, boolean all){
if (StringUtils.isNotBlank(input)){
if (all){
return input.replaceAll(pattern, replacement);
}else{
return input.replaceFirst(pattern, replacement);
}
}
return null;
}*/
/*public String replace(String input, String pattern, String replacement, boolean all){
all = false;
int tab [] = new int [6];
int a = 0;
if(input.contains(pattern)){
for(int i =0; i<6;i++){
a = input.indexOf(pattern, a+1);
tab[i] = a;
}
all = true;
}
if (all == true){
for(int j = 0; j<6;j++){
int e = 0;
if(input.indexOf(a + 1) == tab[e]))
}
}
}
*/
/**
* <p>Search for pattern in the given string and call the callback for each replacement</p>
* <p>You can't use any replace method or any regexp</p>
* <p>for example</p>
* <pre> * public class HrefReplacement implements IReplacementCallback {
* public String replace(String pattern) {
* return "<a href=\"/tags/"+pattern+".html\">"+pattern+"";
* }
* }
* </pre>
* <p>will produce for given string : "hello world" with given pattern "world" : hello <a href="http://10.50.126.57:8181/tags/hello.html">world&lgt;/a>
* @param input to input to analyse
* @param pattern the pattern to look for.
* @param replacement the replacement to apply for the matched occurence
* @param all applied replacement to all occurence ?
* @return
*/
//public String replace(String input, String pattern, IReplacementCallback callback, boolean all);
public interface IReplacementCallback{
public String replace(String pattern);
}
} |
