From 8987998c9dc456d586d5ee0bd31bc8e31d15158d Mon Sep 17 00:00:00 2001
From: Cleverson Sacramento <cleverson.sacramento@gmail.com>
Date: Mon, 29 Sep 2014 10:12:22 -0300
Subject: [PATCH] FWK-197: Tratar erros de parsing para retornar HTTP 400 ao invés de HTTP 500

---
 impl/extension/rest/src/main/java/br/gov/frameworkdemoiselle/internal/implementation/ParseExceptionMapper.java |  99 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 99 insertions(+), 0 deletions(-)
 create mode 100644 impl/extension/rest/src/main/java/br/gov/frameworkdemoiselle/internal/implementation/ParseExceptionMapper.java

diff --git a/impl/extension/rest/src/main/java/br/gov/frameworkdemoiselle/internal/implementation/ParseExceptionMapper.java b/impl/extension/rest/src/main/java/br/gov/frameworkdemoiselle/internal/implementation/ParseExceptionMapper.java
new file mode 100644
index 0000000..a655dd7
--- /dev/null
+++ b/impl/extension/rest/src/main/java/br/gov/frameworkdemoiselle/internal/implementation/ParseExceptionMapper.java
@@ -0,0 +1,99 @@
+package br.gov.frameworkdemoiselle.internal.implementation;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.ResourceBundle;
+import java.util.Set;
+
+import javax.ws.rs.core.Response;
+import javax.ws.rs.ext.ExceptionMapper;
+import javax.ws.rs.ext.Provider;
+
+import org.slf4j.Logger;
+
+import br.gov.frameworkdemoiselle.util.Beans;
+import br.gov.frameworkdemoiselle.util.NameQualifier;
+
+@Provider
+public class ParseExceptionMapper implements ExceptionMapper<Throwable> {
+
+	private transient ResourceBundle bundle;
+
+	private transient Logger logger;
+
+	private Set<Class<?>> getTypes(Class<?> target) {
+		Set<Class<?>> classesInterfaces = new HashSet<Class<?>>();
+		classesInterfaces.add(target);
+		classesInterfaces.addAll(Arrays.asList(target.getInterfaces()));
+
+		Class<?> superClass = target.getSuperclass();
+
+		if (superClass != null) {
+			classesInterfaces.add(superClass);
+			classesInterfaces.addAll(getTypes(superClass));
+		}
+
+		return classesInterfaces;
+	}
+
+	@Override
+	public Response toResponse(Throwable exception) {
+
+		// Throwable original = exception;
+		//
+		// while (exception != null) {
+		// System.out.println("xxxxxxxxxxxxxxxxxxxxxx : " + exception.getClass().getCanonicalName());
+		//
+		// exception = exception.getCause();
+		// }
+		//
+		// exception = original;
+		//
+		// Class<>
+		//
+		// while (exception != null) {
+		// System.out.println("xxxxxxxxxxxxxxxxxxxxxx : " + exception.getClass().getIgetCanonicalName());
+		//
+		// exception.getClass().getSuperclass();
+		//
+		// exception = exception.getP;
+		// }
+
+		for (Class<?> type : getTypes(exception.getClass())) {
+
+			System.out.println("___________________ " + type.getCanonicalName());
+
+			if (type.getCanonicalName().toLowerCase().indexOf("unrecognized") > -1) {
+				getLogger().error("XXXXXXXXXXXXXX", exception);
+				return Response.status(400).build();
+			}
+		}
+
+		// System.out.println("xxxxxxxxxxxxxx : " + getTypes(exception.getClass()));
+
+		// if (exception.getMessage().toLowerCase().indexOf("unrecognized") > -1) {
+		// getLogger().error("XXXXXXXXXXXXXX", exception);
+		// return Response.status(400).build();
+		// }
+		//
+		throw new RuntimeException(exception);
+
+		// return null;
+	}
+
+	private ResourceBundle getBundle() {
+		if (bundle == null) {
+			bundle = Beans.getReference(ResourceBundle.class, new NameQualifier("demoiselle-rest-bundle"));
+		}
+
+		return bundle;
+	}
+
+	private Logger getLogger() {
+		if (logger == null) {
+			logger = Beans.getReference(Logger.class, new NameQualifier(ParseExceptionMapper.class.getName()));
+		}
+
+		return logger;
+	}
+}
--
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