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Merge branch 'master' of https://github.com/eugenp/tutorials

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This commit is contained in:
Seun Matt
2018-01-14 06:11:35 +01:00
parent 1664413c5f a4c02d6275
commit 510e19789d
45 changed files with 833 additions and 260 deletions
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core-java-8/README.md
+3
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@@ -34,3 +34,6 @@
- [Copy a File with Java](http://www.baeldung.com/java-copy-file)
- [Generating Prime Numbers in Java](http://www.baeldung.com/java-generate-prime-numbers)
- [Static and Default Methods in Interfaces in Java](http://www.baeldung.com/java-static-default-methods)
- [Iterable to Stream in Java](http://www.baeldung.com/java-iterable-to-stream)
- [Converting String to Stream of chars](http://www.baeldung.com/java-string-to-stream)
- [How to Iterate Over a Stream With Indices](http://www.baeldung.com/java-stream-indices)
core-java-8/pom.xml
+20
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@@ -101,6 +101,23 @@
<version>1.19</version>
</dependency>
<dependency>
<groupId>com.codepoetics</groupId>
<artifactId>protonpack</artifactId>
<version>${protonpack.version}</version>
</dependency>
<dependency>
<groupId>io.vavr</groupId>
<artifactId>vavr</artifactId>
<version>${vavr.version}</version>
</dependency>
<dependency>
<groupId>one.util</groupId>
<artifactId>streamex</artifactId>
<version>${streamex.version}</version>
</dependency>
</dependencies>
<build>
@@ -267,6 +284,9 @@
<collections-generic.version>4.01</collections-generic.version>
<commons-codec.version>1.10</commons-codec.version>
<lombok.version>1.16.12</lombok.version>
<vavr.version>0.9.0</vavr.version>
<protonpack.version>1.13</protonpack.version>
<streamex.version>0.6.5</streamex.version>
<!-- testing -->
<assertj.version>3.6.1</assertj.version>
core-java-io/src/main/java/com/baeldung/stream/StreamIndices.java → core-java-8/src/main/java/com/baeldung/stream/StreamIndices.java
View File
core-java-io/src/test/java/com/baeldung/java/conversion/IterableStreamConversionUnitTest.java → core-java-8/src/test/java/com/baeldung/java/conversion/IterableStreamConversionUnitTest.java
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core-java-io/src/test/java/com/baeldung/stream/StreamIndicesTest.java → core-java-8/src/test/java/com/baeldung/stream/StreamIndicesTest.java
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core-java-io/src/test/java/com/baeldung/string/StringToCharStreamUnitTest.java → core-java-8/src/test/java/com/baeldung/string/StringToCharStreamUnitTest.java
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core-java-io/README.md
-3
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@@ -12,11 +12,8 @@
- [Java – Directory Size](http://www.baeldung.com/java-folder-size)
- [Differences Between the Java WatchService API and the Apache Commons IO Monitor Library](http://www.baeldung.com/java-watchservice-vs-apache-commons-io-monitor-library)
- [Calculate the Size of a File in Java](http://www.baeldung.com/java-file-size)
- [Iterable to Stream in Java](http://www.baeldung.com/java-iterable-to-stream)
- [Comparing getPath(), getAbsolutePath(), and getCanonicalPath() in Java](http://www.baeldung.com/java-path)
- [Using Java MappedByteBuffer](http://www.baeldung.com/java-mapped-byte-buffer)
- [Converting String to Stream of chars](http://www.baeldung.com/java-string-to-stream)
- [How to Iterate Over a Stream With Indices](http://www.baeldung.com/java-stream-indices)
- [Copy a File with Java](http://www.baeldung.com/java-copy-file)
- [Java – Append Data to a File](http://www.baeldung.com/java-append-to-file)
- [FileNotFoundException in Java](http://www.baeldung.com/java-filenotfound-exception)
jenkins/hello-world/pom.xml
+89
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@@ -0,0 +1,89 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.jenkins-ci.plugins</groupId>
<artifactId>plugin</artifactId>
<version>2.33</version>
<relativePath />
</parent>
<artifactId>jenkins-hello-world</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>hpi</packaging>
<properties>
<!-- Baseline Jenkins version you use to build the plugin. Users must have this version or newer to run. -->
<jenkins.version>2.7.3</jenkins.version>
</properties>
<name>Hello World Plugin</name>
<description>A sample Jenkins Hello World plugin</description>
<url>https://wiki.jenkins-ci.org/display/JENKINS/TODO+Plugin</url>
<licenses>
<license>
<name>MIT License</name>
<url>http://opensource.org/licenses/MIT</url>
</license>
</licenses>
<dependencies>
<dependency>
<groupId>org.jenkins-ci.plugins</groupId>
<artifactId>structs</artifactId>
<version>1.7</version>
</dependency>
<dependency>
<groupId>org.jenkins-ci.plugins.workflow</groupId>
<artifactId>workflow-step-api</artifactId>
<version>2.12</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jenkins-ci.plugins.workflow</groupId>
<artifactId>workflow-cps</artifactId>
<version>2.39</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jenkins-ci.plugins.workflow</groupId>
<artifactId>workflow-job</artifactId>
<version>2.11.2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jenkins-ci.plugins.workflow</groupId>
<artifactId>workflow-basic-steps</artifactId>
<version>2.6</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jenkins-ci.plugins.workflow</groupId>
<artifactId>workflow-durable-task-step</artifactId>
<version>2.13</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jenkins-ci.plugins.workflow</groupId>
<artifactId>workflow-api</artifactId>
<version>2.20</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.jenkins-ci.plugins.workflow</groupId>
<artifactId>workflow-support</artifactId>
<version>2.14</version>
<scope>test</scope>
</dependency>
</dependencies>
<repositories>
<repository>
<id>repo.jenkins-ci.org</id>
<url>https://repo.jenkins-ci.org/public/</url>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>repo.jenkins-ci.org</id>
<url>https://repo.jenkins-ci.org/public/</url>
</pluginRepository>
</pluginRepositories>
</project>
jenkins/hello-world/src/main/java/com/baeldung/jenkins/helloworld/ProjectStats.java
+20
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@@ -0,0 +1,20 @@
package com.baeldung.jenkins.helloworld;
public class ProjectStats {
private final int classesNumber;
private final int linesNumber;
public ProjectStats(int classesNumber, int linesNumber) {
this.classesNumber = classesNumber;
this.linesNumber = linesNumber;
}
public int getClassesNumber() {
return classesNumber;
}
public int getLinesNumber() {
return linesNumber;
}
}
jenkins/hello-world/src/main/java/com/baeldung/jenkins/helloworld/ProjectStatsBuildWrapper.java
+123
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@@ -0,0 +1,123 @@
package com.baeldung.jenkins.helloworld;
import hudson.Extension;
import hudson.FilePath;
import hudson.Launcher;
import hudson.model.AbstractBuild;
import hudson.model.AbstractProject;
import hudson.model.BuildListener;
import hudson.tasks.BuildWrapper;
import hudson.tasks.BuildWrapperDescriptor;
import org.kohsuke.stapler.DataBoundConstructor;
import javax.annotation.Nonnull;
import java.io.*;
import java.nio.charset.StandardCharsets;
import java.util.Stack;
public class ProjectStatsBuildWrapper extends BuildWrapper {
private static final String REPORT_TEMPLATE_PATH = "/stats.html";
private static final String PROJECT_NAME_VAR = "$PROJECT_NAME$";
private static final String CLASSES_NUMBER_VAR = "$CLASSES_NUMBER$";
private static final String LINES_NUMBER_VAR = "$LINES_NUMBER$";
@DataBoundConstructor
public ProjectStatsBuildWrapper() {
}
@Override
public Environment setUp(AbstractBuild build, final Launcher launcher, BuildListener listener) {
return new Environment() {
@Override
public boolean tearDown(AbstractBuild build, BuildListener listener)
throws IOException, InterruptedException
{
ProjectStats stats = buildStats(build.getWorkspace());
String report = generateReport(build.getProject().getDisplayName(), stats);
File artifactsDir = build.getArtifactsDir();
if (!artifactsDir.isDirectory()) {
boolean success = artifactsDir.mkdirs();
if (!success) {
listener.getLogger().println("Can't create artifacts directory at "
+ artifactsDir.getAbsolutePath());
}
}
String path = artifactsDir.getCanonicalPath() + REPORT_TEMPLATE_PATH;
try (BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(path),
StandardCharsets.UTF_8))) {
writer.write(report);
}
return super.tearDown(build, listener);
}
};
}
private static ProjectStats buildStats(FilePath root) throws IOException, InterruptedException {
int classesNumber = 0;
int linesNumber = 0;
Stack<FilePath> toProcess = new Stack<>();
toProcess.push(root);
while (!toProcess.isEmpty()) {
FilePath path = toProcess.pop();
if (path.isDirectory()) {
toProcess.addAll(path.list());
} else if (path.getName().endsWith(".java")) {
classesNumber++;
linesNumber += countLines(path);
}
}
return new ProjectStats(classesNumber, linesNumber);
}
private static int countLines(FilePath path) throws IOException, InterruptedException {
byte[] buffer = new byte[1024];
int result = 1;
try (InputStream in = path.read()) {
while (true) {
int read = in.read(buffer);
if (read < 0) {
return result;
}
for (int i = 0; i < read; i++) {
if (buffer[i] == '\n') {
result++;
}
}
}
}
}
private static String generateReport(String projectName, ProjectStats stats) throws IOException {
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
try (InputStream in = ProjectStatsBuildWrapper.class.getResourceAsStream(REPORT_TEMPLATE_PATH)) {
byte[] buffer = new byte[1024];
int read;
while ((read = in.read(buffer)) >= 0) {
bOut.write(buffer, 0, read);
}
}
String content = new String(bOut.toByteArray(), StandardCharsets.UTF_8);
content = content.replace(PROJECT_NAME_VAR, projectName);
content = content.replace(CLASSES_NUMBER_VAR, String.valueOf(stats.getClassesNumber()));
content = content.replace(LINES_NUMBER_VAR, String.valueOf(stats.getLinesNumber()));
return content;
}
@Extension
public static final class DescriptorImpl extends BuildWrapperDescriptor {
@Override
public boolean isApplicable(AbstractProject<?, ?> item) {
return true;
}
@Nonnull
@Override
public String getDisplayName() {
return "Construct project stats during build";
}
}
}
jenkins/hello-world/src/main/resources/stats.html
+20
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@@ -0,0 +1,20 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>$PROJECT_NAME$</title>
</head>
<body>
Project $PROJECT_NAME$:
<table border="1">
<tr>
<th>Classes number</th>
<th>Lines number</th>
</tr>
<tr>
<td>$CLASSES_NUMBER$</td>
<td>$LINES_NUMBER$</td>
</tr>
</table>
</body>
</html>
spring-5-reactive/pom.xml
+5
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@@ -43,6 +43,10 @@
<groupId>javax.json.bind</groupId>
<artifactId>javax.json.bind-api</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<!-- Dependencies for Yasson -->
<!-- <dependency> -->
@@ -198,4 +202,5 @@
<geronimo-json_1.1_spec.version>1.0</geronimo-json_1.1_spec.version>
</properties>
</project>
spring-5/src/main/java/com/baeldung/actuator/DownstreamServiceReactiveHealthIndicator.java → spring-5-reactive/src/main/java/com/baeldung/reactive/actuator/DownstreamServiceReactiveHealthIndicator.java
+1 -1
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@@ -1,4 +1,4 @@
package com.baeldung.actuator;
package com.baeldung.reactive.actuator;
import org.springframework.boot.actuate.health.Health;
import org.springframework.boot.actuate.health.ReactiveHealthIndicator;
spring-5/src/main/java/com/baeldung/actuator/FeaturesEndpoint.java → spring-5-reactive/src/main/java/com/baeldung/reactive/actuator/FeaturesEndpoint.java
+1 -1
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@@ -1,4 +1,4 @@
package com.baeldung.actuator;
package com.baeldung.reactive.actuator;
import org.springframework.boot.actuate.endpoint.annotation.*;
import org.springframework.stereotype.Component;
spring-5/src/main/java/com/baeldung/actuator/InfoWebEndpointExtension.java → spring-5-reactive/src/main/java/com/baeldung/reactive/actuator/InfoWebEndpointExtension.java
+1 -1
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@@ -1,4 +1,4 @@
package com.baeldung.actuator;
package com.baeldung.reactive.actuator;
import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
import org.springframework.boot.actuate.endpoint.web.WebEndpointResponse;
spring-5-reactive/src/main/resources/application.properties
+4 -1
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@@ -1 +1,4 @@
logging.level.root=INFO
logging.level.root=INFO
management.endpoints.web.expose=*
info.app.name=Spring Boot 2 actuator Application
spring-5/src/test/java/com/baeldung/actuator/ActuatorInfoIntegrationTest.java → spring-5-reactive/src/test/java/com/baeldung/reactive/actuator/ActuatorInfoIntegrationTest.java
+4 -3
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@@ -1,6 +1,5 @@
package com.baeldung.actuator;
package com.baeldung.reactive.actuator;
import com.baeldung.jsonb.Spring5Application;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
@@ -10,12 +9,14 @@ import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.test.context.junit4.SpringRunner;
import com.baeldung.reactive.Spring5ReactiveApplication;
import java.io.IOException;
import static org.junit.Assert.assertEquals;
@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = Spring5Application.class)
@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = Spring5ReactiveApplication.class)
public class ActuatorInfoIntegrationTest {
@Autowired
spring-5/pom.xml
-4
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@@ -43,10 +43,6 @@
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-hateoas</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.projectreactor</groupId>
<artifactId>reactor-spring</artifactId>
spring-5/src/main/java/com/baeldung/security/SecurityConfig.java
-1
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@@ -17,7 +17,6 @@ public class SecurityConfig {
public SecurityWebFilterChain securitygWebFilterChain(ServerHttpSecurity http) {
return http.authorizeExchange()
.pathMatchers("/admin").hasAuthority("ROLE_ADMIN")
.pathMatchers("/actuator/**").permitAll()
.anyExchange().authenticated()
.and().formLogin()
.and().build();
spring-5/src/main/resources/application.properties
-2
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@@ -1,5 +1,3 @@
server.port=8081
management.endpoints.web.expose=*
info.app.name=Spring Boot 2 actuator Application
logging.level.root=INFO
spring-mvc-xml/pom.xml
+2 -2
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@@ -110,7 +110,7 @@
<properties>
<!-- Spring -->
<org.springframework.version>4.3.4.RELEASE</org.springframework.version>
<org.springframework.version>5.0.2.RELEASE</org.springframework.version>
<org.springframework.security.version>4.2.0.RELEASE</org.springframework.security.version>
<!-- persistence -->
@@ -142,4 +142,4 @@
</properties>
</project>
</project>
spring-mvc-xml/src/main/java/com/baeldung/jsp/ExampleOne.java
+10 -20
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@@ -8,24 +8,14 @@ import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class ExampleOne extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println(
"<!DOCTYPE html><html>" +
"<head>" +
"<meta charset=\"UTF-8\" />" +
"<title>HTML Rendered by Servlet</title>" +
"</head>" +
"<body>" +
"<h1>HTML Rendered by Servlet</h1></br>" +
"<p>This page was rendered by the ExampleOne Servlet!</p>" +
"</body>" +
"</html>"
);
}
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE html><html>" + "<head>" + "<meta charset=\"UTF-8\" />" + "<title>HTML Rendered by Servlet</title>" + "</head>" + "<body>" + "<h1>HTML Rendered by Servlet</h1></br>" + "<p>This page was rendered by the ExampleOne Servlet!</p>"
+ "</body>" + "</html>");
}
}
spring-mvc-xml/src/main/java/com/baeldung/jsp/ExampleThree.java
+9 -13
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@@ -7,18 +7,14 @@ import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@WebServlet(
name = "ExampleThree",
description = "JSP Servlet With Annotations",
urlPatterns = {"/ExampleThree"}
)
@WebServlet(name = "ExampleThree", description = "JSP Servlet With Annotations", urlPatterns = { "/ExampleThree" })
public class ExampleThree extends HttpServlet {
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String message = request.getParameter("message");
request.setAttribute("text", message);
request.getRequestDispatcher("/jsp/ExampleThree.jsp").forward(request, response);
}
private static final long serialVersionUID = 1L;
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String message = request.getParameter("message");
request.setAttribute("text", message);
request.getRequestDispatcher("/jsp/ExampleThree.jsp").forward(request, response);
}
}
spring-mvc-xml/src/main/java/com/baeldung/spring/controller/ErrorController.java
+4 -5
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@@ -9,7 +9,7 @@ import org.springframework.web.servlet.ModelAndView;
@Controller
public class ErrorController {
@RequestMapping(value = "500Error", method = RequestMethod.GET)
public void throwRuntimeException() {
throw new NullPointerException("Throwing a null pointer exception");
@@ -34,19 +34,18 @@ public class ErrorController {
errorMsg = "Http Error Code : 404. Resource not found";
break;
}
// Handle other 4xx error codes.
// Handle other 4xx error codes.
case 500: {
errorMsg = "Http Error Code : 500. Internal Server Error";
break;
}
// Handle other 5xx error codes.
// Handle other 5xx error codes.
}
errorPage.addObject("errorMsg", errorMsg);
return errorPage;
}
private int getErrorCode(HttpServletRequest httpRequest) {
return (Integer) httpRequest
.getAttribute("javax.servlet.error.status_code");
return (Integer) httpRequest.getAttribute("javax.servlet.error.status_code");
}
}
spring-mvc-xml/src/main/java/com/baeldung/spring/controller/GeoIPTestController.java
+6 -6
View File
@@ -14,15 +14,15 @@ import com.baeldung.spring.service.RawDBDemoGeoIPLocationService;
@Controller
public class GeoIPTestController {
private RawDBDemoGeoIPLocationService locationService;
public GeoIPTestController() throws IOException {
locationService
= new RawDBDemoGeoIPLocationService();
locationService = new RawDBDemoGeoIPLocationService();
}
@RequestMapping(value="/GeoIPTest", method = RequestMethod.POST)
@RequestMapping(value = "/GeoIPTest", method = RequestMethod.POST)
@ResponseBody
public GeoIP getLocation(
@RequestParam(value="ipAddress", required=true) String ipAddress) throws Exception {
public GeoIP getLocation(@RequestParam(value = "ipAddress", required = true) String ipAddress) throws Exception {
return locationService.getLocation(ipAddress);
}
}
spring-mvc-xml/src/main/java/com/baeldung/spring/controller/ImageController.java
-1
View File
@@ -12,7 +12,6 @@ import org.springframework.web.context.support.ServletContextResource;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletResponse;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
spring-mvc-xml/src/main/java/com/baeldung/spring/form/GeoIP.java
+5 -5
View File
@@ -5,15 +5,15 @@ public class GeoIP {
private String city;
private String latitude;
private String longitude;
public GeoIP() {
}
public GeoIP(String ipAddress) {
this.ipAddress = ipAddress;
}
public GeoIP(String ipAddress, String city, String latitude, String longitude) {
this.ipAddress = ipAddress;
this.city = city;
@@ -52,5 +52,5 @@ public class GeoIP {
public void setLongitude(String longitude) {
this.longitude = longitude;
}
}
spring-mvc-xml/src/main/java/com/baeldung/spring/service/RawDBDemoGeoIPLocationService.java
+4 -4
View File
@@ -9,18 +9,18 @@ import com.maxmind.geoip2.DatabaseReader;
import com.maxmind.geoip2.exception.GeoIp2Exception;
import com.maxmind.geoip2.model.CityResponse;
public class RawDBDemoGeoIPLocationService{
public class RawDBDemoGeoIPLocationService {
private DatabaseReader dbReader;
public RawDBDemoGeoIPLocationService() throws IOException {
File database = new File("your-path-to-db-file");
dbReader = new DatabaseReader.Builder(database).build();
}
public GeoIP getLocation(String ip) throws IOException, GeoIp2Exception {
InetAddress ipAddress = InetAddress.getByName(ip);
CityResponse response = dbReader.city(ipAddress);
String cityName = response.getCity().getName();
String latitude = response.getLocation().getLatitude().toString();
String longitude = response.getLocation().getLongitude().toString();
spring-mvc-xml/src/test/java/com/baeldung/geoip/GeoIpIntegrationTest.java
+5 -6
View File
@@ -10,22 +10,21 @@ import com.maxmind.geoip2.DatabaseReader;
import com.maxmind.geoip2.exception.GeoIp2Exception;
import com.maxmind.geoip2.model.CityResponse;
public class GeoIpIntegrationTest {
@Test
public void givenIP_whenFetchingCity_thenReturnsCityData() throws IOException, GeoIp2Exception {
File database = new File("your-path-to-db-file");
DatabaseReader dbReader = new DatabaseReader.Builder(database).build();
InetAddress ipAddress = InetAddress.getByName("your-public-ip");
CityResponse response = dbReader.city(ipAddress);
String countryName = response.getCountry().getName();
String cityName = response.getCity().getName();
String postal = response.getPostal().getCode();
String state = response.getLeastSpecificSubdivision().getName();
}
}
spring-security-core/src/main/java/org/baeldung/methodsecurity/annotation/IsViewer.java
+14
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@@ -0,0 +1,14 @@
package org.baeldung.methodsecurity.annotation;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.springframework.security.access.prepost.PreAuthorize;
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@PreAuthorize("hasRole('VIEWER')")
public @interface IsViewer {
}

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