feat(#909): fetch license from github

pom.xml

@@ -196,6 +196,17 @@ SOFTWARE.
       <artifactId>jhome</artifactId>
       <version>0.0.5</version>
     </dependency>
+    <dependency>
+      <groupId>com.jcabi</groupId>
+      <artifactId>jcabi-http</artifactId>
+      <version>2.0.0</version>
+    </dependency>
+    <dependency>
+      <groupId>com.yegor256</groupId>
+      <artifactId>jping</artifactId>
+      <version>0.0.3</version>
+      <scope>test</scope>
+    </dependency>
     <dependency>
       <groupId>org.hamcrest</groupId>
       <artifactId>hamcrest</artifactId>

src/main/java/org/eolang/jeo/representation/License.java

@@ -23,9 +23,12 @@
  */
 package org.eolang.jeo.representation;
 
+import com.jcabi.http.request.JdkRequest;
+import jakarta.ws.rs.HttpMethod;
+import jakarta.ws.rs.core.HttpHeaders;
+import java.io.IOException;
 import org.cactoos.Scalar;
-import org.cactoos.io.ResourceOf;
-import org.cactoos.text.TextOf;
+import org.cactoos.text.FormattedText;
 
 /**
  * Representation of project license.
@@ -35,29 +38,44 @@
 public final class License implements Scalar<String> {
 
     /**
-     * The name of file with license.
+     * Request url.
      */
-    private final String name;
+    private final String url;
 
     /**
      * Ctor with default value.
      */
     public License() {
-        this("LICENSE.txt");
+        this(
+            new FormattedText(
+                "%s://%s%s",
+                "https",
+                "raw.githubusercontent.com",
+                "/objectionary/jeo-maven-plugin/refs/heads/master/LICENSE.txt"
+            ).toString()
+        );
     }
 
     /**
      * Primary ctor.
      *
-     * @param name The name of file with license.
+     * @param url The url to fetch the license.
      */
-    public License(final String name) {
-        this.name = name;
+    public License(final String url) {
+        this.url = url;
     }
 
     @Override
     public String value() {
-        return new TextOf(new ResourceOf(this.name)).toString();
+        try {
+            return new JdkRequest(this.url)
+                .method(HttpMethod.GET)
+                .header(HttpHeaders.ACCEPT, "text/html")
+                .fetch()
+                .body();
+        } catch (final IOException exc) {
+            throw new IllegalStateException("Can't fetch the license", exc);
+        }
     }
 
     @Override

src/main/java/org/eolang/jeo/representation/directives/DirectivesProgram.java

@@ -28,6 +28,7 @@
 import java.time.ZonedDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.Iterator;
+import org.cactoos.scalar.Sticky;
 import org.eolang.jeo.representation.License;
 import org.xembly.Directive;
 import org.xembly.Directives;
@@ -118,7 +119,7 @@ public Iterator<Directive> iterator() {
             .add("listing")
             .set(this.listing)
             .up()
-            .add("license").set(new License()).up()
+            .add("license").set(new Sticky<>(new License())).up()
             .append(this.metas)
             .attr("ms", this.milliseconds)
             .add("objects");

src/test/java/org/eolang/jeo/representation/LicenseTest.java

@@ -23,27 +23,30 @@
  */
 package org.eolang.jeo.representation;
 
+import com.yegor256.WeAreOnline;
 import org.cactoos.text.FormattedText;
 import org.hamcrest.MatcherAssert;
 import org.hamcrest.Matchers;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
 
 /**
  * Test suite for {@link License}.
  *
  * @since 0.6.27
  */
+@ExtendWith(WeAreOnline.class)
 final class LicenseTest {
 
     @Test
     void readsLicenseFileCorrectly() throws Exception {
         final String name = "LICENSE.txt";
         MatcherAssert.assertThat(
             new FormattedText(
-                "Unexpected file:'%s' content",
+                "Unexpected license content",
                 name
             ).asString(),
-            new License(name).value(),
+            new License().value(),
             Matchers.containsString("MIT")
         );
     }