40 lines
1.2 KiB
Java
40 lines
1.2 KiB
Java
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public class Q1Model{
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public final static int NBIMAGE = 10000;
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public final static int PAS = 100;
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public final static int NBCHIFFREIMAGE = 7;
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public final static String CHEMIN = "Images/";
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public static String next(String nomImage) {
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int numImage;
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try {
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numImage = Integer.parseInt(nomImage.substring(Q1Model.CHEMIN.length(), Q1Model.CHEMIN.length() + Q1Model.NBCHIFFREIMAGE));
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numImage = (numImage+Q1Model.PAS)%Q1Model.NBIMAGE;
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return Q1Model.CHEMIN + Q1Model.add0(numImage) + ".png";
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}
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catch (NumberFormatException e) {
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return null;
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}
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}
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public static String previous(String nomImage) {
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int numImage;
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try {
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numImage = Integer.parseInt(nomImage.substring(Q1Model.CHEMIN.length(), Q1Model.CHEMIN.length() + Q1Model.NBCHIFFREIMAGE));
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numImage = (numImage+Q1Model.NBIMAGE-Q1Model.PAS)%Q1Model.NBIMAGE;
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return Q1Model.CHEMIN +Q1Model.add0(numImage) + ".png";
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}
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catch (NumberFormatException e) {
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return null;
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}
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}
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public static String add0(int number){
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int zeroAAjouter = Q1Model.NBCHIFFREIMAGE - Integer.toString(number).length();
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String resultat = "";
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for (int i=0; i < zeroAAjouter; i++){
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resultat += "0";
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}
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resultat += Integer.toString(number);
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return resultat;
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}
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}
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