Merge pull request #185 from sebastian-toepfer/format_assertion_ipv4

add support for ipv4 format

vocabulary/format-assertion/src/main/java/io/github/sebastiantoepfer/jsonschema/vocabulary/formatassertion/Formats.java

@@ -24,6 +24,7 @@
 package io.github.sebastiantoepfer.jsonschema.vocabulary.formatassertion;
 
 import io.github.sebastiantoepfer.jsonschema.vocabulary.formatassertion.rfc.Rfc;
+import io.github.sebastiantoepfer.jsonschema.vocabulary.formatassertion.rfc.Rfc2673;
 import io.github.sebastiantoepfer.jsonschema.vocabulary.formatassertion.rfc.Rfc3339;
 import io.github.sebastiantoepfer.jsonschema.vocabulary.formatassertion.rfc.Rfc5321;
 import java.util.List;
@@ -43,7 +44,10 @@ final class Formats {
             .entrySet()
             .stream()
             .map(entry -> new RfcBasedFormat(entry.getKey(), new Rfc3339(), entry.getValue())),
-        Stream.of(new RfcBasedFormat("email", new Rfc5321(), "mailbox"))
+        Stream.of(
+            new RfcBasedFormat("email", new Rfc5321(), "mailbox"),
+            new RfcBasedFormat("ipv4", new Rfc2673(), "dotted-quad")
+        )
     )
         .map(Format.class::cast)
         .toList();

vocabulary/format-assertion/src/main/java/io/github/sebastiantoepfer/jsonschema/vocabulary/formatassertion/rfc/Rfc2673.java

@@ -0,0 +1,41 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2024 sebastian.
+ *
+ * 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 NONINFRINGEMENT. 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 io.github.sebastiantoepfer.jsonschema.vocabulary.formatassertion.rfc;
+
+import java.util.Map;
+import java.util.Optional;
+import java.util.regex.Pattern;
+
+public final class Rfc2673 implements Rfc {
+
+    private static final Map<String, Pattern> RULES = Map.of(
+        "dotted-quad",
+        Pattern.compile("^\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}$")
+    );
+
+    @Override
+    public Optional<Rule> findRuleByName(final String ruleName) {
+        return Optional.ofNullable(RULES.get(ruleName)).map(RegExRule::new);
+    }
+}

vocabulary/format-assertion/src/main/resources/rfc/rfc2673

@@ -0,0 +1,20 @@
+bit-string-label =  "\[" bit-spec "]"
+
+bit-spec         =  bit-data [ "/" length ]
+                  / dotted-quad [ "/" slength ]
+
+bit-data         =  "x" 1*64HEXDIG
+                  / "o" 1*86OCTDIG
+                  / "b" 1*256BIT
+
+dotted-quad      =  decbyte "." decbyte "." decbyte "." decbyte
+
+decbyte          =  1*3DIGIT
+
+length           =  NZDIGIT *2DIGIT
+
+slength          =  NZDIGIT [ DIGIT ]
+
+OCTDIG           =  %x30-37
+
+NZDIGIT          =  %x31-39

vocabulary/format-assertion/src/test/java/io/github/sebastiantoepfer/jsonschema/vocabulary/formatassertion/FormatsTest.java

@@ -68,4 +68,10 @@ void should_found_emailFormat() {
         );
         assertThat(new Formats().findByName("email").applyTo("noEmail"), is(false));
     }
+
+    @Test
+    void should_found_ipv4Format() {
+        assertThat(new Formats().findByName("ipv4").applyTo("161.111.26.9"), is(true));
+        assertThat(new Formats().findByName("ipv4").applyTo("125.158.4589.1"), is(false));
+    }
 }