From 5ac769ad02af052ba3dbed016b178de7f35cca60 Mon Sep 17 00:00:00 2001
From: Alyson <a.leite@nextage.com.br>
Date: Fri, 6 May 2016 14:00:29 -0300
Subject: [PATCH] =?UTF-8?q?Remo=C3=A7=C3=A3o=20do=20inputStream=20para=20n?=
 =?UTF-8?q?=C3=A3o=20dar=20mais=20o=20erro=20com.sun.org.apache.xerces.int?=
 =?UTF-8?q?ernal.impl.io.MalformedByteSequenceException:=20Byte=20inv?=
 =?UTF-8?q?=C3=A1lido=202=20da=20sequ=C3=AAncia=20UTF-8=20do=20byte=203.?=
 =?UTF-8?q?=20Esse=20problema=20normalmente=20est=C3=A1=20relacionado=20a?=
 =?UTF-8?q?=20caracteres=20especiais=20ou=20acentuados=20dentro=20do=20XML?=
 =?UTF-8?q?.=20@see=20http://goo.gl/42aPOh?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../nfe310/assinatura/AssinaturaDigital.java   | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/src/main/java/com/fincatto/nfe310/assinatura/AssinaturaDigital.java b/src/main/java/com/fincatto/nfe310/assinatura/AssinaturaDigital.java
index 6121f187c..7ebc42dbd 100755
--- a/src/main/java/com/fincatto/nfe310/assinatura/AssinaturaDigital.java
+++ b/src/main/java/com/fincatto/nfe310/assinatura/AssinaturaDigital.java
@@ -1,9 +1,6 @@
 package com.fincatto.nfe310.assinatura;
 
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
+import java.io.*;
 import java.security.KeyStore;
 import java.security.Provider;
 import java.security.cert.X509Certificate;
@@ -26,6 +23,7 @@
 import javax.xml.crypto.dsig.keyinfo.X509Data;
 import javax.xml.crypto.dsig.spec.C14NMethodParameterSpec;
 import javax.xml.crypto.dsig.spec.TransformParameterSpec;
+import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.transform.OutputKeys;
 import javax.xml.transform.Transformer;
@@ -42,6 +40,7 @@
 import org.w3c.dom.NodeList;
 
 import com.fincatto.nfe310.NFeConfig;
+import org.xml.sax.InputSource;
 
 public class AssinaturaDigital {
 	private static final String C14N_TRANSFORM_METHOD = "http://www.w3.org/TR/2001/REC-xml-c14n-20010315";
@@ -96,8 +95,15 @@ public String assinarDocumento(final String conteudoXml) throws Exception {
 		final DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
 		documentBuilderFactory.setNamespaceAware(true);
 
-		try (InputStream inputStreamXml = IOUtils.toInputStream(conteudoXml)) {
-			final Document document = documentBuilderFactory.newDocumentBuilder().parse(inputStreamXml);
+		// Remoção do inputStream para não dar mais o erro
+		// com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: Byte inválido 2 da sequência UTF-8 do byte 3.
+		// Esse problema normalmente está relacionado a caracteres especiais ou acentuados dentro do XML.
+		// @see http://goo.gl/42aPOh
+		try (StringReader stringReader = new StringReader(conteudoXml)) {
+			InputSource inputSource = new InputSource(stringReader);
+			DocumentBuilder docBuilder = documentBuilderFactory.newDocumentBuilder();
+			final Document document = docBuilder.parse(inputSource);
+			//final Document document = documentBuilderFactory.newDocumentBuilder().parse(inputStreamXml);
 
 			for (final String elementoAssinavel : AssinaturaDigital.ELEMENTOS_ASSINAVEIS) {
 				final NodeList elements = document.getElementsByTagName(elementoAssinavel);