Improve jaxrs usability and clean generated class

pom.xml

@@ -386,7 +386,7 @@
 			<dependency>
 				<groupId>io.github.unknow0.model</groupId>
 				<artifactId>unknow-model-bom</artifactId>
-				<version>1.0.1</version>
+				<version>1.1.0</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>

unknow-server-jaxrs/src/main/java/unknow/server/http/jaxrs/JaxrsContext.java

@@ -116,19 +116,23 @@ public static <T> ParamConverter<T> converter(Class<T> clazz, Type type, Annotat
 	}
 
 	@SuppressWarnings("unchecked")
-	public static void sendError(JaxrsReq r, Throwable t, HttpServletResponse res) throws IOException {
-		Class<?> c = t.getClass();
-		do {
-			ExceptionMapper<Throwable> m = exceptions.get(c);
-			if (m != null) {
-				try (Response response = m.toResponse(t)) {
-					JaxrsEntityWriter.RESPONSE.write(r, response, res);
+	public static void sendError(JaxrsReq r, Throwable t, HttpServletResponse res) {
+		try {
+			Class<?> c = t.getClass();
+			do {
+				ExceptionMapper<Throwable> m = exceptions.get(c);
+				if (m != null) {
+					try (Response response = m.toResponse(t)) {
+						JaxrsEntityWriter.RESPONSE.write(r, response, res);
+					}
+					return;
 				}
-				return;
-			}
-		} while ((c = c.getSuperclass()) != Object.class);
-		logger.error("No exception mapping found", t);
-		res.sendError(500);
+			} while ((c = c.getSuperclass()) != Object.class);
+			logger.error("No exception mapping found", t);
+			res.sendError(500);
+		} catch (IOException | IllegalStateException e) {
+			logger.warn("Failed to send error", e);
+		}
 	}
 
 	@SuppressWarnings("unchecked")

unknow-server-jaxrs/src/main/java/unknow/server/http/jaxrs/JaxrsEntityWriter.java

@@ -99,6 +99,8 @@ public void write(JaxrsReq r, Response e, HttpServletResponse res) throws WebApp
 				MediaType mediaType = e.getMediaType();
 				if (mediaType == null)
 					mediaType = r.getAccept();
+				if (mediaType == null)
+					mediaType = MediaType.TEXT_PLAIN_TYPE;
 				res.setContentType(mediaType.toString());
 
 				Class<?> clazz = o.getClass();

unknow-server-jaxrs/src/main/java/unknow/server/http/jaxrs/JaxrsReq.java

@@ -72,10 +72,9 @@ public MediaType getContentType() {
 	}
 
 	public MediaType getAccepted(MTPredicate allowed, MediaType def) {
-		accept = def;
 		String a = r.getHeader("accept");
 		if (a == null)
-			return accept;
+			return accept = def;
 		int i;
 		int l = 0;
 		double lq = -1;

unknow-server-jaxrs/src/main/java/unknow/server/http/jaxrs/MTPredicate.java

@@ -11,7 +11,66 @@
 public interface MTPredicate {
 	MediaType getMatching(MediaType t);
 
-	public static MTPredicate ANY = t -> t;
+	boolean isCompatible(MediaType t);
+
+	public static MTPredicate ANY = new MTPredicate() {
+
+		@Override
+		public MediaType getMatching(MediaType t) {
+			return t;
+		}
+
+		@Override
+		public boolean isCompatible(MediaType t) {
+			return true;
+		}
+	};
+	public static MTPredicate NONE = new MTPredicate() {
+
+		@Override
+		public MediaType getMatching(MediaType t) {
+			return null;
+		}
+
+		@Override
+		public boolean isCompatible(MediaType t) {
+			return false;
+		}
+	};
+
+	public static class Single implements MTPredicate {
+		private final MediaType mt;
+
+		public Single(MediaType mt) {
+			this.mt = mt;
+		}
+
+		@Override
+		public MediaType getMatching(MediaType t) {
+			String charset = t.getParameters().get(MediaType.CHARSET_PARAMETER);
+			if (t.isWildcardType()) {
+				if (t.isWildcardSubtype() || t.getSubtype().equals(mt.getSubtype())) {
+					if (charset == null)
+						return mt;
+					return new MediaType(mt.getType(), mt.getSubtype(), charset);
+				}
+			} else if (t.getType().equals(mt.getType())) {
+				if (t.isWildcardSubtype()) {
+					if (charset == null)
+						return mt;
+					return new MediaType(mt.getType(), mt.getSubtype(), charset);
+				}
+				if (t.getSubtype().equals(mt.getSubtype()))
+					return t;
+			}
+			return null;
+		}
+
+		@Override
+		public boolean isCompatible(MediaType t) {
+			return t != null && t.isCompatible(mt);
+		}
+	}
 
 	public static class OneOf implements MTPredicate {
 		private final MediaType[] mts;
@@ -43,5 +102,16 @@ public MediaType getMatching(MediaType t) {
 			}
 			return null;
 		}
+
+		@Override
+		public boolean isCompatible(MediaType t) {
+			if (t == null)
+				return false;
+			for (int i = 0; i < mts.length; i++) {
+				if (t.isCompatible(mts[i]))
+					return true;
+			}
+			return false;
+		}
 	}
 }

unknow-server-jaxrs/src/test/java/unknow/server/http/jaxrs/JaxrsReqTest.java

@@ -54,7 +54,7 @@ void matrix(String expected, String path, String def) {
 	public static final Stream<Arguments> accept() {
 		//@formatter:off
 		return Stream.of(
-				Arguments.of(MediaType.WILDCARD_TYPE, "*/*", (MTPredicate) m -> null),
+				Arguments.of(null, "*/*", MTPredicate.NONE),
 				Arguments.of(MediaType.WILDCARD_TYPE, "*/*", MTPredicate.ANY),
 				Arguments.of(MediaType.TEXT_XML_TYPE, "text/plain,text/xml", new MTPredicate.OneOf(MediaType.TEXT_XML_TYPE)),
 				Arguments.of(MediaType.WILDCARD_TYPE, null, new MTPredicate.OneOf(MediaType.TEXT_XML_TYPE)),

unknow-server-maven/src/main/java/unknow/server/maven/jaxb/JaxbGeneratorMojo.java

@@ -22,7 +22,6 @@
 import org.apache.maven.plugin.MojoFailureException;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
 import org.apache.maven.plugins.annotations.Mojo;
-import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.plugins.annotations.ResolutionScope;
 
 import com.github.javaparser.ast.CompilationUnit;
@@ -75,9 +74,6 @@ public class JaxbGeneratorMojo extends AbstractGeneratorMojo {
 	private final Map<XmlType, String> handlers = new HashMap<>();
 	private final XmlLoader xmlLoader = new XmlLoader();
 
-	@Parameter(name = "graalvm", defaultValue = "true")
-	protected boolean graalvm;
-
 	public JaxbGeneratorMojo() {
 		handlers.put(XmlLoader.BOOLEAN, BooleanHandler.class.getName());
 		handlers.put(XmlLoader.BYTE, ByteHandler.class.getName());
@@ -179,7 +175,7 @@ private void writeXmlLoader() throws MojoExecutionException {
 	}
 
 	private void generateGraalVmResources() throws MojoFailureException {
-		if (!graalvm)
+		if (!codegen.graalvm)
 			return;
 
 		try {