From 9e4e78ac49284297dbdf6c7c079317e78b9636fb Mon Sep 17 00:00:00 2001
From: Yegor Bugayenko <yegor256@gmail.com>
Date: Tue, 19 Nov 2024 07:28:07 +0300
Subject: [PATCH] #8 .rule()

---
 src/main/java/org/eolang/lints/Defect.java    | 22 ++++++++++++++++++-
 src/main/java/org/eolang/lints/LintByXsl.java | 14 ++++++++++--
 2 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/src/main/java/org/eolang/lints/Defect.java b/src/main/java/org/eolang/lints/Defect.java
index 6815dcae..c3d6e642 100644
--- a/src/main/java/org/eolang/lints/Defect.java
+++ b/src/main/java/org/eolang/lints/Defect.java
@@ -30,6 +30,12 @@
  */
 public interface Defect {
 
+    /**
+     * Rule.
+     * @return Unique name of the rule
+     */
+    String rule();
+
     /**
      * Severity.
      * @return Severity
@@ -54,6 +60,11 @@ public interface Defect {
      * @since 0.0.1
      */
     final class Default implements Defect {
+        /**
+         * Rule.
+         */
+        private final String rle;
+
         /**
          * Severity.
          */
@@ -71,16 +82,25 @@ final class Default implements Defect {
 
         /**
          * Ctor.
+         * @param rule Rule
          * @param severity Severity
          * @param line Line number
          * @param text Description of the defect
+         * @checkstyle ParameterNumberCheck (5 lines)
          */
-        Default(final Severity severity, final int line, final String text) {
+        Default(final String rule, final Severity severity,
+            final int line, final String text) {
+            this.rle = rule;
             this.sev = severity;
             this.lineno = line;
             this.txt = text;
         }
 
+        @Override
+        public String rule() {
+            return this.rle;
+        }
+
         @Override
         public Severity severity() {
             return this.sev;
diff --git a/src/main/java/org/eolang/lints/LintByXsl.java b/src/main/java/org/eolang/lints/LintByXsl.java
index 4e2e1d24..59238884 100644
--- a/src/main/java/org/eolang/lints/LintByXsl.java
+++ b/src/main/java/org/eolang/lints/LintByXsl.java
@@ -25,6 +25,7 @@
 
 import com.jcabi.xml.ClasspathSources;
 import com.jcabi.xml.XML;
+import com.jcabi.xml.XMLDocument;
 import com.jcabi.xml.XSL;
 import com.jcabi.xml.XSLDocument;
 import java.io.IOException;
@@ -42,6 +43,11 @@
  */
 final class LintByXsl implements Lint {
 
+    /**
+     * The name of the rule.
+     */
+    private final String rule;
+
     /**
      * The stylesheet.
      */
@@ -52,12 +58,15 @@ final class LintByXsl implements Lint {
      * @param xsl Relative path of XSL
      * @throws IOException If fails
      */
+    @SuppressWarnings("PMD.ConstructorOnlyInitializesOrCallOtherConstructors")
     LintByXsl(final Input xsl) throws IOException {
-        this.sheet = new XSLDocument(
+        final XML xml = new XMLDocument(
             new IoCheckedText(
                 new TextOf(xsl)
             ).asString()
-        ).with(new ClasspathSources());
+        );
+        this.rule = xml.xpath("/xsl:stylesheet/@id").get(0);
+        this.sheet = new XSLDocument(xml).with(new ClasspathSources());
     }
 
     /**
@@ -80,6 +89,7 @@ public Collection<Defect> defects(final XML xmir) {
         for (final XML defect : report.nodes("/defects/defect")) {
             defects.add(
                 new Defect.Default(
+                    this.rule,
                     Severity.parsed(defect.xpath("@severity").get(0)),
                     Integer.parseInt(defect.xpath("@line").get(0)),
                     defect.xpath("text()").get(0)