#1246 add Home.load() function

eo-maven-plugin/src/main/java/org/eolang/maven/CopyMojo.java

@@ -65,6 +65,7 @@ public final class CopyMojo extends SafeMojo {
 
     /**
      * Directory in which .eo files are located.
+     *
      * @checkstyle MemberNameCheck (7 lines)
      */
     @Parameter(
@@ -76,6 +77,7 @@ public final class CopyMojo extends SafeMojo {
 
     /**
      * Target directory with resources to be packaged in JAR.
+     *
      * @checkstyle MemberNameCheck (7 lines)
      */
     @Parameter(
@@ -87,6 +89,7 @@ public final class CopyMojo extends SafeMojo {
 
     /**
      * The version to use for 0.0.0 replacements.
+     *
      * @checkstyle MemberNameCheck (7 lines)
      */
     @Parameter(property = "eo.version", required = true, defaultValue = "${project.version}")

eo-maven-plugin/src/main/java/org/eolang/maven/Home.java

@@ -31,8 +31,10 @@
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import org.cactoos.Bytes;
 import org.cactoos.Input;
 import org.cactoos.Text;
+import org.cactoos.bytes.BytesOf;
 import org.cactoos.io.InputOf;
 import org.cactoos.io.OutputTo;
 import org.cactoos.io.TeeInput;
@@ -43,9 +45,6 @@
  * Class for saving and loading files.
  *
  * @since 0.27
- * @todo #1105:30min create load function (it has to be able read by path)
- *  It should be able to load data from file
- *  We also need to add new unit test
  */
 @SuppressWarnings("PMD.TooManyMethods")
 public class Home {
@@ -63,6 +62,7 @@ public class Home {
 
     /**
      * Ctor.
+     *
      * @param path Path
      */
     Home(final Path path) {
@@ -71,6 +71,7 @@ public class Home {
 
     /**
      * Saving input.
+     *
      * @param input Input
      * @param path Path to file
      * @throws IOException If fails
@@ -109,6 +110,7 @@ public void save(final Input input, final Path path) throws IOException {
 
     /**
      * Saving string.
+     *
      * @param str String
      * @param path Path to file
      * @throws IOException If fails
@@ -119,6 +121,7 @@ public void save(final String str, final Path path) throws IOException {
 
     /**
      * Saving text.
+     *
      * @param txt Text
      * @param path Path to file
      * @throws IOException If fails
@@ -129,6 +132,7 @@ public void save(final Text txt, final Path path) throws IOException {
 
     /**
      * Saving stream.
+     *
      * @param stream Input stream
      * @param path Path to file
      * @throws IOException If fails
@@ -139,6 +143,7 @@ public void save(final InputStream stream, final Path path) throws IOException {
 
     /**
      * Saving bytes.
+     *
      * @param bytes Byte array
      * @param path Path to file
      * @throws IOException If fails
@@ -149,6 +154,7 @@ public void save(final byte[] bytes, final Path path) throws IOException {
 
     /**
      * Make relative name from path.
+     *
      * @param file The path of the file or dir
      * @return Relative name to CWD
      */
@@ -167,21 +173,34 @@ public String rel(final Path file) {
 
     /**
      * Check if exists.
+     *
      * @param path Path
      * @return True if exists
      */
     public boolean exists(final Path path) {
         return Files.exists(this.path(path));
     }
 
+    /**
+     * Load bytes from file by path.
+     *
+     * @param path Path to the file
+     * @return Bytes of file
+     * @throws IOException if method can't find the file by path or
+     *  if some exception happens during reading the file
+     */
+    public Bytes load(final Path path) throws IOException {
+        return new BytesOf(Files.readAllBytes(this.path(path)));
+    }
+
     /**
      * Path modification.
+     *
      * @param path Path
      * @return Modified path (without bad symbols)
      */
     private static Path path(final Path path) {
         final byte[] bytes = path.toString().getBytes(StandardCharsets.UTF_8);
         return Paths.get(new String(bytes, StandardCharsets.UTF_8));
     }
-
 }

eo-maven-plugin/src/test/java/org/eolang/maven/CopyMojoTest.java

@@ -23,9 +23,8 @@
  */
 package org.eolang.maven;
 
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
 import java.nio.file.Path;
+import org.cactoos.text.TextOf;
 import org.hamcrest.MatcherAssert;
 import org.hamcrest.Matchers;
 import org.junit.jupiter.api.Test;
@@ -58,7 +57,7 @@ void copiesSources(@TempDir final Path temp) throws Exception {
             Matchers.is(true)
         );
         MatcherAssert.assertThat(
-            new String(Files.readAllBytes(out), StandardCharsets.UTF_8),
+            new TextOf(new Home().load(out)).asString(),
             Matchers.allOf(
                 Matchers.containsString("+rt foo:"),
                 Matchers.containsString("0.0.0"),

eo-maven-plugin/src/test/java/org/eolang/maven/HomeTest.java

@@ -25,13 +25,16 @@
 
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.NoSuchFileException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import org.cactoos.Bytes;
 import org.cactoos.text.Randomized;
 import org.cactoos.text.TextOf;
 import org.cactoos.text.UncheckedText;
 import org.hamcrest.MatcherAssert;
 import org.hamcrest.Matchers;
+import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
 import org.junit.jupiter.params.ParameterizedTest;
@@ -105,4 +108,23 @@ void existsInDirWithSpecialSymbolsTest(@TempDir final Path temp) throws IOExcept
             Matchers.is(true)
         );
     }
+
+    @Test
+    void loadBytesFromExistingFile(@TempDir final Path temp) throws IOException {
+        final Home home = new Home();
+        final String filename = "foo";
+        final String content = "bar";
+        final Path subfolder = temp.resolve("subfolder").resolve(filename);
+        home.save(content, subfolder);
+        final Bytes bytes = home.load(subfolder);
+        final TextOf text = new TextOf(bytes);
+        MatcherAssert.assertThat(text, Matchers.equalTo(new TextOf(content)));
+    }
+
+    @Test
+    void loadFromAbsentFile(@TempDir final Path temp) {
+        final Home home = new Home();
+        final Path absent = temp.resolve("nonexistent");
+        Assertions.assertThrows(NoSuchFileException.class, () -> home.load(absent));
+    }
 }