51 lines
1.6 KiB
Java
51 lines
1.6 KiB
Java
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// See README.txt for information and build instructions.
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import com.example.tutorial.AddressBookProtos.AddressBook;
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import com.example.tutorial.AddressBookProtos.Person;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.PrintStream;
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class ListPeople {
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// Iterates though all people in the AddressBook and prints info about them.
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static void Print(AddressBook addressBook) {
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for (Person person: addressBook.getPersonList()) {
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System.out.println("Person ID: " + person.getId());
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System.out.println(" Name: " + person.getName());
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if (person.hasEmail()) {
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System.out.println(" E-mail address: " + person.getEmail());
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}
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for (Person.PhoneNumber phoneNumber : person.getPhoneList()) {
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switch (phoneNumber.getType()) {
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case MOBILE:
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System.out.print(" Mobile phone #: ");
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break;
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case HOME:
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System.out.print(" Home phone #: ");
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break;
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case WORK:
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System.out.print(" Work phone #: ");
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break;
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}
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System.out.println(phoneNumber.getNumber());
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}
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}
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}
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// Main function: Reads the entire address book from a file and prints all
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// the information inside.
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public static void main(String[] args) throws Exception {
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if (args.length != 1) {
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System.err.println("Usage: ListPeople ADDRESS_BOOK_FILE");
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System.exit(-1);
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}
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// Read the existing address book.
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AddressBook addressBook =
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AddressBook.parseFrom(new FileInputStream(args[0]));
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Print(addressBook);
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}
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}
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