1 files changed, 41 insertions, 0 deletions
diff --git a/src/cz/crcs/ectester/standalone/consts/Ident.java b/src/cz/crcs/ectester/standalone/consts/Ident.java
new file mode 100644
index 0000000..3228c37
--- /dev/null
+++ b/src/cz/crcs/ectester/standalone/consts/Ident.java
@@ -0,0 +1,41 @@
+package cz.crcs.ectester.standalone.consts;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Set;
+import java.util.TreeSet;
+
+public abstract class Ident {
+    private Set<String> idents;
+
+    public Ident(String... names) {
+        this.idents = new TreeSet<>(String.CASE_INSENSITIVE_ORDER);
+        this.idents.addAll(Arrays.asList(names));
+    }
+
+    public Set<String> getIdents() {
+        return Collections.unmodifiableSet(idents);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (!(obj instanceof Ident)) {
+            return false;
+        }
+        Ident other = (Ident) obj;
+        return idents.equals(other.getIdents());
+    }
+
+    @Override
+    public int hashCode() {
+        return idents.hashCode() + 37;
+    }
+
+    @Override
+    public String toString() {
+        return "(" + String.join("|", idents) + ")";
+    }
+}