JBRULES-3633 resource encoding

drools-container/drools-spring/src/main/java/org/drools/container/spring/beans/DroolsResourceAdapter.java

@@ -30,6 +30,8 @@ public class DroolsResourceAdapter
     private Resource              resource;
     private ResourceType          resourceType;
     private ResourceConfiguration resourceConfiguration;
+    private String                resourceName;
+    private String                encoding;
 
     public DroolsResourceAdapter() {
 
@@ -45,14 +47,24 @@ public DroolsResourceAdapter(String resource,
     }
 
     public void setResource(String resource) {
+        this.resourceName = resource;
         if ( resource.trim().startsWith( "classpath:" ) ) {
             this.resource = new ClassPathResource( resource.substring( resource.indexOf( ':' ) + 1 ),
+                                                   encoding,
                                                    ClassPathResource.class.getClassLoader() );
         } else {
             this.resource = new UrlResource( resource );
         }
     }
 
+    public void setEncoding(String encoding) {
+        if ( !(resource instanceof ClassPathResource) ) {
+            throw new IllegalArgumentException( "Encoding attribute is only valid for classpath Resources" );
+        }
+        this.encoding = encoding;
+        setResource(resourceName);
+    }
+
     public void setBasicAuthenticationEnabled(Boolean enabled) {
         if ( enabled && !(this.resource instanceof UrlResource) ) {
             throw new IllegalArgumentException( "Authentication Attributes are only valid for URL Resources" );

drools-container/drools-spring/src/main/java/org/drools/container/spring/namespace/ResourceDefinitionParser.java

@@ -42,6 +42,7 @@ public class ResourceDefinitionParser extends AbstractBeanDefinitionParser {
     private static final String REF                            = "ref";
     private static final String NAME                            = "name";
     private static final String DESCRIPTION                            = "description";
+    private static final String ENCODING                       = "encoding";
 
     @SuppressWarnings("unchecked")
     @Override
@@ -84,11 +85,15 @@ protected AbstractBeanDefinition parseInternal(Element element,
             factory.addPropertyValue( "basicAuthenticationPassword",
                                       password );
         }
-
+
+        String encoding = element.getAttribute( ENCODING );
+        factory.addPropertyValue( "encoding",
+                                  org.drools.core.util.StringUtils.isEmpty(encoding) ? null : encoding);
+
         String name = element.getAttribute( NAME );
         factory.addPropertyValue( "name",
                                   org.drools.core.util.StringUtils.isEmpty(name) ? null : name);
-        
+
         String description = element.getAttribute( DESCRIPTION );
         factory.addPropertyValue( "description",
                                   org.drools.core.util.StringUtils.isEmpty(description) ? null : description);

drools-container/drools-spring/src/main/resources/org/drools/container/spring/drools-spring.xsd

@@ -395,6 +395,7 @@
     <xsd:attribute name="source" use="optional" type="xsd:string"/>
     <xsd:attribute name="type" use="optional" type="resourceTypeEnum"/>
     <xsd:attribute name="ref"  use="optional" type="xsd:string"/>
+    <xsd:attribute name="encoding"  use="optional" type="xsd:string"/>
   </xsd:complexType>
 
   <xsd:complexType name="resourceRefType">

drools-container/drools-spring/src/test/java/org/drools/container/spring/SpringDroolsTest.java

@@ -20,6 +20,8 @@
 import java.util.List;
 import java.util.Map;
 
+import org.drools.KnowledgeBase;
+import org.drools.definition.KnowledgePackage;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -62,6 +64,18 @@ public void testNoConnection() throws Exception {
         assertNotNull( node2 );
     }
 
+    @Test
+    public void testEncoding() throws Exception {
+        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext( "org/drools/container/spring/resourceWithEncoding.xml" );
+
+        KnowledgeBase kbase = (KnowledgeBase) context.getBean("kbase");
+        assertNotNull( kbase );
+        for (KnowledgePackage pkg : kbase.getKnowledgePackages()) {
+            assertEquals("sample acçéntèd rule", pkg.getRules().iterator().next().getName());
+        }
+
+    }
+
     @Test
     public void testNoNodeKSessions() throws Exception {
         ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext( "org/drools/container/spring/no-node-beans.xml" );

drools-container/drools-spring/src/test/resources/org/drools/container/spring/resourceWithEncoding.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:drools="http://drools.org/schema/drools-spring"
+       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
+                           http://drools.org/schema/drools-spring org/drools/container/spring/drools-spring.xsd">
+
+  <drools:kbase id="kbase">
+      <drools:resources>
+          <drools:resource type="DRL" source="classpath:org/drools/container/spring/sampleUTF8.drl" encoding="UTF-8" />
+          <drools:resource type="DRL" source="classpath:org/drools/container/spring/sampleISO88591.drl" encoding="ISO-8859-1" />
+    </drools:resources>
+  </drools:kbase>
+
+
+  <drools:ksession id="ksession" type="stateless" name="stateless" kbase="kbase"/>
+
+</beans>

drools-container/drools-spring/src/test/resources/org/drools/container/spring/sampleISO88591.drl

@@ -0,0 +1,8 @@
+package org.drools.container.spring.i
+
+rule "sample ac��nt�d rule"
+	@output("\"Hello world!\"")
+	when
+	then
+		System.out.println("\"Hello world!\"");
+end

drools-container/drools-spring/src/test/resources/org/drools/container/spring/sampleUTF8.drl

@@ -0,0 +1,8 @@
+package org.drools.container.spring.u
+
+rule "sample acçéntèd rule"
+	@output("\"Hello world!\"")
+	when
+	then
+		System.out.println("\"Hello world!\"");
+end