add support to read abnf from stream

vocabulary-format-assertion/src/main/java/io/github/sebastiantoepfer/jsonschema/vocabulary/format/assertion/abnf/reader/ABNF.java

@@ -25,6 +25,6 @@
 
 import io.github.sebastiantoepfer.jsonschema.vocabulary.format.assertion.abnf.RuleList;
 
-public interface ABNF {
+public interface ABNF extends AutoCloseable {
     RuleList rules();
 }

vocabulary-format-assertion/src/main/java/io/github/sebastiantoepfer/jsonschema/vocabulary/format/assertion/abnf/reader/ABNFs.java

@@ -0,0 +1,46 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2023 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.format.assertion.abnf.reader;
+
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.nio.charset.Charset;
+
+public final class ABNFs {
+
+    public static ABNF of(final CharSequence sequence) {
+        return TextABNF.of(sequence);
+    }
+
+    public static ABNF of(final InputStream is, final Charset cs) {
+        return of(new InputStreamReader(is, cs));
+    }
+
+    public static ABNF of(final Reader input) {
+        return StreambasedABNF.of(input);
+    }
+
+    private ABNFs() {}
+}

vocabulary-format-assertion/src/main/java/io/github/sebastiantoepfer/jsonschema/vocabulary/format/assertion/abnf/reader/StreambasedABNF.java

@@ -0,0 +1,70 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2023 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.format.assertion.abnf.reader;
+
+import io.github.sebastiantoepfer.jsonschema.vocabulary.format.assertion.abnf.RuleList;
+import java.io.IOException;
+import java.io.Reader;
+import java.util.Objects;
+import java.util.logging.Logger;
+
+final class StreambasedABNF implements ABNF {
+
+    public static ABNF of(final Reader reader) {
+        return new StreambasedABNF(reader);
+    }
+
+    private static final Logger LOG = Logger.getLogger(StreambasedABNF.class.getName());
+
+    private final Reader reader;
+
+    private StreambasedABNF(final Reader reader) {
+        this.reader = Objects.requireNonNull(reader);
+    }
+
+    @Override
+    public void close() throws IOException {
+        reader.close();
+    }
+
+    @Override
+    public RuleList rules() {
+        LOG.entering(StreambasedABNF.class.getName(), "rules");
+        final RuleList result;
+        try {
+            Extractor extractor = RuleListExtractor.of();
+            int codePoint;
+            while ((codePoint = reader.read()) != -1) {
+                extractor = extractor.append(codePoint);
+            }
+            result = extractor.finish().createAs(RuleList.class);
+        } catch (IOException ex) {
+            final IllegalArgumentException thrown = new IllegalArgumentException(ex);
+            LOG.throwing(StreambasedABNF.class.getName(), "rules", thrown);
+            throw thrown;
+        }
+        LOG.exiting(TextABNF.class.getName(), "rules", result);
+        return result;
+    }
+}

vocabulary-format-assertion/src/main/java/io/github/sebastiantoepfer/jsonschema/vocabulary/format/assertion/abnf/reader/TextABNF.java

@@ -26,7 +26,7 @@
 import io.github.sebastiantoepfer.jsonschema.vocabulary.format.assertion.abnf.RuleList;
 import java.util.logging.Logger;
 
-public final class TextABNF implements ABNF {
+final class TextABNF implements ABNF {
 
     private static final Logger LOG = Logger.getLogger(TextABNF.class.getName());
 
@@ -40,6 +40,11 @@ private TextABNF(final CharSequence rules) {
         this.rules = rules;
     }
 
+    @Override
+    public void close() {
+        //nothing to do!
+    }
+
     @Override
     public RuleList rules() {
         LOG.entering(TextABNF.class.getName(), "rules");