From 60b6410ef54f289e8db1cf90503ccd6ed7d51975 Mon Sep 17 00:00:00 2001
From: Danny van Bruggen <hexagonaal@gmail.com>
Date: Tue, 19 Feb 2019 18:35:04 +0100
Subject: [PATCH] Support {@systemProperty <name>} tag

---
 .../javaparser/javadoc/JavadocTest.java       | 29 +++++++++++++++----
 .../javadoc/description/JavadocInlineTag.java |  1 +
 2 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/javaparser-core-testing/src/test/java/com/github/javaparser/javadoc/JavadocTest.java b/javaparser-core-testing/src/test/java/com/github/javaparser/javadoc/JavadocTest.java
index 82641ab636..857f0ae76b 100644
--- a/javaparser-core-testing/src/test/java/com/github/javaparser/javadoc/JavadocTest.java
+++ b/javaparser-core-testing/src/test/java/com/github/javaparser/javadoc/JavadocTest.java
@@ -33,7 +33,9 @@
 
 import static com.github.javaparser.StaticJavaParser.parse;
 import static com.github.javaparser.StaticJavaParser.parseJavadoc;
+import static com.github.javaparser.javadoc.description.JavadocInlineTag.Type.*;
 import static com.github.javaparser.utils.Utils.EOL;
+import static java.util.stream.Collectors.toList;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
@@ -88,13 +90,30 @@ void descriptionAndBlockTagsAreRetrievable() {
     void inlineTagsAreParsable() {
         String docText =
                 "Returns the {@link TOFilename}s of all files that existed during the requested" + EOL +
-                        "{@link TOVersion}." + EOL +
+                        "{@link TOVersion}. Set {@systemProperty JAVA_HOME} correctly." + EOL +
                         "" + EOL +
                         "@param versionID the id of the {@link TOVersion}." + EOL +
                         "@return the filenames" + EOL +
                         "@throws InvalidIDException if the {@link IPersistence} doesn't recognize the given versionID." + EOL;
-        String javadoc = parseJavadoc(docText).toText();
-        assertTrue(javadoc.contains("{@link TOVersion}"));
+        Javadoc javadoc = parseJavadoc(docText);
+
+        List<JavadocInlineTag> inlineTags = javadoc.getDescription().getElements().stream()
+                .filter(element -> element instanceof JavadocInlineTag)
+                .map(element -> (JavadocInlineTag) element)
+                .collect(toList());
+
+        assertEquals("link", inlineTags.get(0).getName());
+        assertEquals(" TOFilename", inlineTags.get(0).getContent());
+        assertEquals(LINK, inlineTags.get(0).getType());
+        assertEquals("link", inlineTags.get(1).getName());
+        assertEquals(" TOVersion", inlineTags.get(1).getContent());
+        assertEquals(LINK, inlineTags.get(1).getType());
+        assertEquals("systemProperty", inlineTags.get(2).getName());
+        assertEquals(" JAVA_HOME", inlineTags.get(2).getContent());
+        assertEquals(SYSTEM_PROPERTY, inlineTags.get(2).getType());
+        
+        String javadocText = javadoc.toText();
+        assertTrue(javadocText.contains("{@link TOVersion}"));
     }
 
     @Test
@@ -131,7 +150,7 @@ void descriptionModificationWorks() {
 
         assertEquals(0, description.getElements().size());
 
-        JavadocDescriptionElement inlineTag = new JavadocInlineTag("inheritDoc", JavadocInlineTag.Type.INHERIT_DOC, "");
+        JavadocDescriptionElement inlineTag = new JavadocInlineTag("inheritDoc", INHERIT_DOC, "");
         assertTrue(description.addElement(inlineTag));
 
         assertEquals(1, description.getElements().size());
@@ -147,7 +166,7 @@ void issue1533() {
         List<JavadocDescriptionElement> elements = compilationUnit.getType(0).getJavadoc().get().getDescription().getElements();
         assertEquals(3, elements.size());
         assertEquals(new JavadocSnippet("hallo "), elements.get(0));
-        assertEquals(new JavadocInlineTag("link", JavadocInlineTag.Type.LINK, " Foo"), elements.get(1));
+        assertEquals(new JavadocInlineTag("link", LINK, " Foo"), elements.get(1));
         assertEquals(new JavadocSnippet(" welt"), elements.get(2));
     }
 }
diff --git a/javaparser-core/src/main/java/com/github/javaparser/javadoc/description/JavadocInlineTag.java b/javaparser-core/src/main/java/com/github/javaparser/javadoc/description/JavadocInlineTag.java
index 4c9bc50903..d503041bbe 100644
--- a/javaparser-core/src/main/java/com/github/javaparser/javadoc/description/JavadocInlineTag.java
+++ b/javaparser-core/src/main/java/com/github/javaparser/javadoc/description/JavadocInlineTag.java
@@ -57,6 +57,7 @@ public enum Type {
         LINKPLAIN,
         LITERAL,
         VALUE,
+        SYSTEM_PROPERTY,
         UNKNOWN;
 
         Type() {