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[JAVA-47895] Moved code from core-java-networking-5 to core-java-networking-6 (#18657)
1 parent 14a44e1 commit 62dc048

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4 files changed

+96
-94
lines changed

4 files changed

+96
-94
lines changed

‎core-java-modules/core-java-networking-5/pom.xml

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<artifactId>jsoup</artifactId>
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<version>${jsoup.version}</version>
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</dependency>
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<dependency>
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<groupId>commons-net</groupId>
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<artifactId>commons-net</artifactId>
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<version>${net.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.httpcomponents</groupId>
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<artifactId>httpclient</artifactId>
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<properties>
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<commons-validator.version>1.7</commons-validator.version>
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<net.version>3.8.0</net.version>
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<httpclient.version>4.5.2</httpclient.version>
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<javax.ws.rs-api.version>2.1.1</javax.ws.rs-api.version>
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<jersey-common.version>2.22.2</jersey-common.version>

‎core-java-modules/core-java-networking-6/pom.xml

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<version>${okhttp.version}</version>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>commons-net</groupId>
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<artifactId>commons-net</artifactId>
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<version>${commons-net.version}</version>
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</dependency>
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</dependencies>
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<build>
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<apache.httpclient5.version>5.4.2</apache.httpclient5.version>
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<okhttp.version>4.12.0</okhttp.version>
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<webflux.version>3.4.3</webflux.version>
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<commons-net.version>3.8.0</commons-net.version>
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</properties>
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</project>

‎core-java-modules/core-java-networking-5/src/test/java/com/baeldung/getwebfilesize/GetWebFileSizeLiveTest.java renamed to ‎core-java-modules/core-java-networking-6/src/test/java/com/baeldung/getwebfilesize/GetWebFileSizeLiveTest.java

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package com.baeldung.getwebfilesize;
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import org.junit.jupiter.api.Test;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.fail;
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import java.io.IOException;
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import java.net.URL;
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import java.net.URLConnection;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.fail;
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import org.junit.jupiter.api.Test;
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class GetWebFileSizeLiveTest {
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‎core-java-modules/core-java-networking-5/src/test/java/com/baeldung/ipaddresses/SubnetScannerUnitTest.java renamed to ‎core-java-modules/core-java-networking-6/src/test/java/com/baeldung/ipaddresses/SubnetScannerUnitTest.java

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package com.baeldung.ipaddresses;
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import org.apache.commons.net.telnet.TelnetClient;
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import org.apache.commons.net.util.SubnetUtils;
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import org.junit.jupiter.api.Test;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.stream.IntStream;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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public class SubnetScannerUnitTest {
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@Test
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public void givenSubnet_whenScanningForDevices_thenReturnConnectedIPs() throws Exception {
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String subnet = getSubnet();
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List<String> connectedIPs = new ArrayList<>();
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for (int i = 1; i <= 254; i++) {
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String ip = subnet + "." + i;
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if (InetAddress.getByName(ip).isReachable(100)) {
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connectedIPs.add(ip);
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}
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}
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assertFalse(connectedIPs.isEmpty());
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}
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@Test
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public void givenSubnet_whenUsingStream_thenReturnConnectedIPs() throws UnknownHostException {
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String subnet = getSubnet();
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List<String> connectedIPs = IntStream.rangeClosed(1, 254)
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.mapToObj(i -> subnet + "." + i)
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.filter(ip -> {
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try {
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return InetAddress.getByName(ip).isReachable(100);
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} catch (Exception e) {
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return false;
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}
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})
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.toList();
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assertFalse(connectedIPs.isEmpty());
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}
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@Test
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public void givenSubnet_whenCheckingForOpenPorts_thenReturnDevicesWithOpenPort() throws UnknownHostException {
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SubnetUtils utils = new SubnetUtils(getSubnet() + ".0/24");
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int port = 80;
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List<String> devicesWithOpenPort = Arrays.stream(utils.getInfo().getAllAddresses())
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.filter(ip -> {
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TelnetClient telnetClient = new TelnetClient();
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try {
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telnetClient.setConnectTimeout(100);
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telnetClient.connect(ip, port);
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return telnetClient.isConnected();
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} catch (Exception e) {
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return false;
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} finally {
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try {
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if (telnetClient.isConnected()) {
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telnetClient.disconnect();
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}
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} catch (IOException ex) {
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System.err.println(ex.getMessage());
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}
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}
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})
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.toList();
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assertFalse(devicesWithOpenPort.isEmpty());
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}
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private String getSubnet() throws UnknownHostException {
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InetAddress localHost = InetAddress.getLocalHost();
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byte[] ipAddr = localHost.getAddress();
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return String.format("%d.%d.%d", (ipAddr[0] & 0xFF), (ipAddr[1] & 0xFF), (ipAddr[2] & 0xFF));
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}
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}
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package com.baeldung.ipaddresses;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.stream.IntStream;
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import org.apache.commons.net.telnet.TelnetClient;
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import org.apache.commons.net.util.SubnetUtils;
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import org.junit.jupiter.api.Test;
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public class SubnetScannerUnitTest {
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@Test
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public void givenSubnet_whenScanningForDevices_thenReturnConnectedIPs() throws Exception {
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String subnet = getSubnet();
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List<String> connectedIPs = new ArrayList<>();
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for (int i = 1; i <= 254; i++) {
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String ip = subnet + "." + i;
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if (InetAddress.getByName(ip).isReachable(100)) {
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connectedIPs.add(ip);
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}
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}
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assertFalse(connectedIPs.isEmpty());
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}
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@Test
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public void givenSubnet_whenUsingStream_thenReturnConnectedIPs() throws UnknownHostException {
36+
String subnet = getSubnet();
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38+
List<String> connectedIPs = IntStream.rangeClosed(1, 254)
39+
.mapToObj(i -> subnet + "." + i)
40+
.filter(ip -> {
41+
try {
42+
return InetAddress.getByName(ip).isReachable(100);
43+
} catch (Exception e) {
44+
return false;
45+
}
46+
})
47+
.toList();
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49+
assertFalse(connectedIPs.isEmpty());
50+
}
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52+
@Test
53+
public void givenSubnet_whenCheckingForOpenPorts_thenReturnDevicesWithOpenPort() throws UnknownHostException {
54+
SubnetUtils utils = new SubnetUtils(getSubnet() + ".0/24");
55+
int port = 80;
56+
List<String> devicesWithOpenPort = Arrays.stream(utils.getInfo().getAllAddresses())
57+
.filter(ip -> {
58+
TelnetClient telnetClient = new TelnetClient();
59+
try {
60+
telnetClient.setConnectTimeout(100);
61+
telnetClient.connect(ip, port);
62+
return telnetClient.isConnected();
63+
} catch (Exception e) {
64+
return false;
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} finally {
66+
try {
67+
if (telnetClient.isConnected()) {
68+
telnetClient.disconnect();
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}
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} catch (IOException ex) {
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System.err.println(ex.getMessage());
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}
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}
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})
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.toList();
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assertFalse(devicesWithOpenPort.isEmpty());
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}
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80+
private String getSubnet() throws UnknownHostException {
81+
InetAddress localHost = InetAddress.getLocalHost();
82+
byte[] ipAddr = localHost.getAddress();
83+
return String.format("%d.%d.%d", (ipAddr[0] & 0xFF), (ipAddr[1] & 0xFF), (ipAddr[2] & 0xFF));
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}
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}

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