feat(#909): move to class; read from resources

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

@@ -0,0 +1,67 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016-2024 Objectionary.com
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package org.eolang.jeo.representation;
+
+import org.cactoos.Scalar;
+import org.cactoos.io.ResourceOf;
+import org.cactoos.text.TextOf;
+
+/**
+ * Representation of project license.
+ *
+ * @since 0.6.27
+ */
+public final class License implements Scalar<String> {
+
+    /**
+     * The name of file with license.
+     */
+    private final String name;
+
+    /**
+     * Ctor with default value.
+     */
+    public License() {
+        this("LICENSE.txt");
+    }
+
+    /**
+     * Primary ctor.
+     *
+     * @param name The name of file with license.
+     */
+    public License(final String name) {
+        this.name = name;
+    }
+
+    @Override
+    public String value() {
+        return new TextOf(new ResourceOf(this.name)).toString();
+    }
+
+    @Override
+    public String toString() {
+        return this.value();
+    }
+}

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.eolang.jeo.representation.License;
 import org.xembly.Directive;
 import org.xembly.Directives;
 
@@ -117,48 +118,12 @@ public Iterator<Directive> iterator() {
             .add("listing")
             .set(this.listing)
             .up()
-            .add("license").set(DirectivesProgram.license()).up()
+            .add("license").set(new License()).up()
             .append(this.metas)
             .attr("ms", this.milliseconds)
             .add("objects");
         directives.append(this.klass);
         directives.up();
         return directives.iterator();
     }
-
-    /**
-     * Text of the license.
-     * @return License text.
-     * @todo #850 Retrieve License From The File.
-     *  We use license as a file in the project root.
-     *  See LICENSE.txt file.
-     *  It's better to read this file and return its content.
-     *  Otherwise, we have to maintain the license in two places.
-     */
-    private static String license() {
-        return String.join(
-            "\n",
-            "The MIT License (MIT)",
-            "",
-            "Copyright (c) 2016-2024 Objectionary.com",
-            "",
-            "Permission is hereby granted, free of charge, to any person obtaining a copy",
-            "of this software and associated documentation files (the \"Software\"), to deal",
-            "in the Software without restriction, including without limitation the rights",
-            "to use, copy, modify, merge, publish, distribute, sublicense, and/or sell",
-            "copies of the Software, and to permit persons to whom the Software is",
-            "furnished to do so, subject to the following conditions:",
-            "",
-            "The above copyright notice and this permission notice shall be included",
-            "in all copies or substantial portions of the Software.",
-            "",
-            "THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR",
-            "IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,",
-            "FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE",
-            "AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER",
-            "LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,",
-            "OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE",
-            "SOFTWARE."
-        );
-    }
 }

src/main/resources/LICENSE.txt

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016-2024 Objectionary.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

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

@@ -0,0 +1,50 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016-2024 Objectionary.com
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+package org.eolang.jeo.representation;
+
+import org.cactoos.text.FormattedText;
+import org.hamcrest.MatcherAssert;
+import org.hamcrest.Matchers;
+import org.junit.jupiter.api.Test;
+
+/**
+ * Test suite for {@link License}.
+ *
+ * @since 0.6.27
+ */
+final class LicenseTest {
+
+    @Test
+    void readsLicenseFileCorrectly() throws Exception {
+        final String name = "LICENSE.txt";
+        MatcherAssert.assertThat(
+            new FormattedText(
+                "Unexpected file:'%s' content",
+                name
+            ).asString(),
+            new License(name).value(),
+            Matchers.containsString("MIT")
+        );
+    }
+}