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PR2-Fakturama
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elifaltinisik 2024-06-12 16:19:45 +02:00
commit 539ae7107a
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Fakturama/.classpath 100644
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
<attributes>
<attribute name="module" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" path="src"/>
<classpathentry kind="output" path="bin"/>
</classpath>

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Fakturama/.gitignore vendored 100644
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/bin/

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Fakturama/.project 100644
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>Fakturama</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>

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Fakturama/.settings/org.eclipse.core.resources.prefs 100644
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eclipse.preferences.version=1
encoding/<project>=UTF-8

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Fakturama/.settings/org.eclipse.jdt.core.prefs 100644
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eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
org.eclipse.jdt.core.compiler.compliance=17
org.eclipse.jdt.core.compiler.debug.lineNumber=generate
org.eclipse.jdt.core.compiler.debug.localVariable=generate
org.eclipse.jdt.core.compiler.debug.sourceFile=generate
org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
org.eclipse.jdt.core.compiler.release=enabled
org.eclipse.jdt.core.compiler.source=17

166
Fakturama/src/Fakturama/Kunde.java 100644
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package Fakturama;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import java.io.File;
import java.io.IOException;
public class Kunde {
private String name;
private String anschrift;
private String email;
private String telefonnummer;
// Konstruktor
public Kunde(String name, String anschrift, String email, String telefonnummer) {
this.name = name;
this.anschrift = anschrift;
this.email = email;
this.telefonnummer = telefonnummer;
}
// Leerer Konstruktor
public Kunde() {
}
// Getter und Setter
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAnschrift() {
return anschrift;
}
public void setAnschrift(String anschrift) {
this.anschrift = anschrift;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getTelefonnummer() {
return telefonnummer;
}
public void setTelefonnummer(String telefonnummer) {
this.telefonnummer = telefonnummer;
}
// Methode zum Anzeigen der Kundendaten
public void anzeigen() {
System.out.println("Kunde: " + name);
System.out.println("Anschrift: " + anschrift);
System.out.println("Email: " + email);
System.out.println("Telefonnummer: " + telefonnummer);
}
// Methode zum Speichern der Kundendaten im XML-Format
public void speichereAlsXML(String dateiPfad) {
try {
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.newDocument();
// Root-Element
Element rootElement = doc.createElement("Kunde");
doc.appendChild(rootElement);
// Name-Element
Element nameElement = doc.createElement("Name");
nameElement.appendChild(doc.createTextNode(name));
rootElement.appendChild(nameElement);
// Anschrift-Element
Element anschriftElement = doc.createElement("Anschrift");
anschriftElement.appendChild(doc.createTextNode(anschrift));
rootElement.appendChild(anschriftElement);
// Email-Element
Element emailElement = doc.createElement("Email");
emailElement.appendChild(doc.createTextNode(email));
rootElement.appendChild(emailElement);
// Telefonnummer-Element
Element telefonnummerElement = doc.createElement("Telefonnummer");
telefonnummerElement.appendChild(doc.createTextNode(telefonnummer));
rootElement.appendChild(telefonnummerElement);
// Transformieren und Speichern in Datei
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
DOMSource source = new DOMSource(doc);
StreamResult result = new StreamResult(new File(dateiPfad));
transformer.transform(source, result);
System.out.println("Die XML-Datei wurde erfolgreich gespeichert.");
} catch (ParserConfigurationException | TransformerException e) {
e.printStackTrace();
}
}
// Methode zum Auslesen der Kundendaten aus einer XML-Datei
public void leseAusXML(String dateiPfad) {
try {
File xmlDatei = new File(dateiPfad);
DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
Document doc = dBuilder.parse(xmlDatei);
doc.getDocumentElement().normalize();
NodeList nList = doc.getElementsByTagName("Kunde");
for (int temp = 0; temp < nList.getLength(); temp++) {
Node nNode = nList.item(temp);
if (nNode.getNodeType() == Node.ELEMENT_NODE) {
Element eElement = (Element) nNode;
this.name = eElement.getElementsByTagName("Name").item(0).getTextContent();
this.anschrift = eElement.getElementsByTagName("Anschrift").item(0).getTextContent();
this.email = eElement.getElementsByTagName("Email").item(0).getTextContent();
this.telefonnummer = eElement.getElementsByTagName("Telefonnummer").item(0).getTextContent();
}
}
System.out.println("Die XML-Datei wurde erfolgreich gelesen.");
} catch (ParserConfigurationException | SAXException | IOException e) {
e.printStackTrace();
}
}
// Methode zum Auslesen der Kundendaten aus einer XML-Datei und in der Konsole ausgeben
public void leseUndGibAusXML(String dateiPfad) {
leseAusXML(dateiPfad);
anzeigen();
}
// Hauptprogramm zum Testen der Klasse
public static void main(String[] args) {
Kunde kunde = new Kunde("Max Mustermann", "Musterstraße 5555, 12345 Musterstadt", "max@mustermann.de", "0123456789");
kunde.speichereAlsXML("kunde.xml");
}
}

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Fakturama/src/Fakturama/Test.java 100644
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package Fakturama;
public class Test {
public static void main(String[] args) {
Kunde neuerKunde = new Kunde();
neuerKunde.leseUndGibAusXML("kunde.xml");
}
}