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Merge pull request #12231 from apeterlic/get-domain-name 

Get domain name
This commit is contained in:
davidmartinezbarua 2022-05-22 22:05:19 -03:00 committed by GitHub
parent 296b77b909 c3d957205a
commit 505d918fa5
3 changed files with 92 additions and 0 deletions
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7
core-java-modules/core-java-networking-3/pom.xml
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@ -52,6 +52,12 @@
<artifactId>java-ipv6</artifactId>
<version>${googlecode.ipv6.version}</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.google.guava/guava -->
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>${guava.version}</version>
</dependency>
</dependencies>
<build>
@ -84,6 +90,7 @@
<jgonian.commons-ip-math.version>1.32</jgonian.commons-ip-math.version>
<googlecode.ipv6.version>0.17</googlecode.ipv6.version>
<javax.mail.version>1.6.2</javax.mail.version>
<guava.version>31.0-jre</guava.version>
</properties>
</project>

34
core-java-modules/core-java-networking-3/src/main/java/com/baeldung/domain_name/DomainNameClient.java Normal file
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@ -0,0 +1,34 @@
package com.baeldung.domain_name;
import com.google.common.net.InternetDomainName;
import java.net.URI;
import java.net.URISyntaxException;
public class DomainNameClient {
public String getHost(String url) throws URISyntaxException {
URI uri = new URI(url);
return uri.getHost();
}
public String getTopPrivateDomain(String url) {
InternetDomainName internetDomainName = InternetDomainName.from(url)
.topPrivateDomain();
return internetDomainName.toString();
}
public String getName(String url) {
InternetDomainName internetDomainName = InternetDomainName.from(url)
.topPrivateDomain();
String publicSuffix = internetDomainName.publicSuffix()
.toString();
String domainName = internetDomainName.toString();
return domainName.substring(0, domainName.lastIndexOf("." + publicSuffix));
}
public String getDomainName(String url) {
String regex = "http(s)?://|www\\.|/.*";
return url.replaceAll(regex, "");
}
}

51
core-java-modules/core-java-networking-3/src/test/java/com/baeldung/domain_name/DomainNameClientUnitTest.java Normal file
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@ -0,0 +1,51 @@
package com.baeldung.domain_name;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
class DomainNameClientUnitTest {
DomainNameClient domainNameClient = new DomainNameClient();
@Test
void givenUrl_whenGetHost_thenReturnSubdomainAndDomainName() {
Assertions.assertAll(() -> {
assertEquals("www.baeldung.com", domainNameClient.getHost("https://www.baeldung.com/domain"));
assertEquals("www.google.co.uk", domainNameClient.getHost("https://www.google.co.uk/domain"));
assertEquals("jira.baeldung.com", domainNameClient.getHost("https://jira.baeldung.com/secure"));
});
}
@Test
void givenUrl_whenGetTopPrivateDomain_thenReturnDomainName() {
assertEquals("baeldung.com", domainNameClient.getTopPrivateDomain("www.baeldung.com"));
}
@Test
void givenUrlWithPublicSuffix_whenGetTopPrivateDomain_thenReturnDomainName() {
assertEquals("google.co.uk", domainNameClient.getTopPrivateDomain("www.google.co.uk"));
assertEquals("baeldung.blogspot.com", domainNameClient.getTopPrivateDomain("www.baeldung.blogspot.com"));
}
@Test
void givenUrlWithPublicSuffix_whenGetName_thenReturnSecondLevelDomain() {
assertEquals("baeldung", domainNameClient.getName("jira.baeldung.com"));
}
@Test
void givenUrlWithPublicSuffix_whenGetName_thenReturnThirdLevelDomain() {
assertEquals("baeldung", domainNameClient.getName("www.baeldung.co.uk"));
assertEquals("google", domainNameClient.getName("www.google.co.uk"));
}
@Test
void givenUrl_whenGetDomainNameRegex_thenReturnDomainName() {
assertEquals("google.com", domainNameClient.getDomainName("www.google.com"));
assertEquals("google.co.uk", domainNameClient.getDomainName("www.google.co.uk"));
assertEquals("jira.baeldung.com", domainNameClient.getDomainName("jira.baeldung.com"));
assertEquals("baeldung.com", domainNameClient.getDomainName("www.baeldung.com/test"));
}
}