nadpisywanie danych w pliku
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ad31122ced
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.gitignore
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4
.gitignore
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@ -1,3 +1,5 @@
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.idea/
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.idea/
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target/
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target/
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[a-zA-Z0-9]* lista.txt
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@ -3,19 +3,52 @@ import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Files;
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import java.util.ArrayList;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.List;
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import java.util.regex.Pattern;
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public class Overwrite {
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public class Overwrite {
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public static void checkIfPeselExists(File file, String firstName, String lastName, String Pesel) {
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public static boolean checkIfPeselExists(File file, List personalData) {
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if(file.exists()) {
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if(file.exists()) {
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List<String> fileContent = new ArrayList<>();
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try {
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try {
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List<String> fileContent = new ArrayList<>(Files.readAllLines(file.toPath(), StandardCharsets.UTF_8));
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fileContent = new ArrayList<>(Files.readAllLines(file.toPath(), StandardCharsets.UTF_8));
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} catch (IOException ex) {
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} catch (IOException ex) {
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System.out.println(ex.getMessage());
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System.out.println(ex.getMessage());
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}
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}
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Pattern patternFirstName = Pattern.compile(personalData.get(1).toString());
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Pattern patternLastName = Pattern.compile(personalData.get(2).toString());
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Pattern patternPesel = Pattern.compile(personalData.get(3).toString());
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boolean peselInFile = false;
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for(int i = 0; i < fileContent.size(); i++) {
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if(patternPesel.matcher(fileContent.get(i)).find() && !patternFirstName.matcher(fileContent.get(i)).find() &&
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!patternLastName.matcher(fileContent.get(i)).find()) {
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String dataToOverwrite = personalData.get(0).toString() + " " + personalData.get(1) + " "
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+ personalData.get(2) + " " + personalData.get(3);
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fileContent.set(i, dataToOverwrite);
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peselInFile = true;
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}
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}
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if(peselInFile) {
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try {
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Files.write(file.toPath(), fileContent, StandardCharsets.UTF_8);
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} catch (IOException ex) {
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System.out.println(ex.getMessage());
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}
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System.out.println("Osoba o podanym PESEL-u została już wcześniej wprowadzona. Dane zostały nadpisane.");
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return true;
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}
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else {
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return false;
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}
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} else {
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} else {
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System.out.println("Problem z odczytaniem danych z pliku.");
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System.out.println("Problem z odczytaniem danych z pliku.");
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return false;
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}
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}
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}
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}
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}
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}
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@ -24,12 +24,10 @@ public class Read {
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System.out.println("Wprowadzony PESEL jest niepoprawny.");
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System.out.println("Wprowadzony PESEL jest niepoprawny.");
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}
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}
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else {
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else {
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boolean saved = false;
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boolean saved = Overwrite.checkIfPeselExists(file, personalInfo);
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Overwrite.checkIfPeselExists(file, personalInfo.get(1), personalInfo.get(2), personalInfo.get(3));
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if(!saved) {
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if(!saved) {
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Write.write(personalInfo, file);
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Write.write(file, personalInfo);
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System.out.println("Osoba dodana do listy.");
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System.out.println("Osoba dodana do listy.");
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}
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}
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}
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}
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@ -2,7 +2,7 @@ import java.io.*;
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import java.util.List;
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import java.util.List;
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public class Write {
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public class Write {
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public static void write(List data, File file) {
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public static void write(File file, List data) {
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if(file.exists()) {
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if(file.exists()) {
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try (BufferedWriter fileWriter = new BufferedWriter(new FileWriter(file, true))){
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try (BufferedWriter fileWriter = new BufferedWriter(new FileWriter(file, true))){
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fileWriter.write(data.get(0) + " " + data.get(1) + " " + data.get(2) + " " + data.get(3) + "\n");
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fileWriter.write(data.get(0) + " " + data.get(1) + " " + data.get(2) + " " + data.get(3) + "\n");
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@ -10,7 +10,6 @@ public class Write {
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e.printStackTrace();
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e.printStackTrace();
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return;
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return;
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}
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}
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System.out.println("Zapis danych do pliku zakończył się powodzeniem.");
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} else {
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} else {
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System.out.println("Problem z zapisem do pliku.");
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System.out.println("Problem z zapisem do pliku.");
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}
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}
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