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SecurityRuleProducer.java
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SecurityRuleProducer.java
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package org.jboss.seam.security.permission;
import java.io.InputStream;
import javax.enterprise.context.ApplicationScoped;
import javax.enterprise.inject.Produces;
import javax.inject.Inject;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseConfiguration;
import org.drools.KnowledgeBaseFactory;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderConfiguration;
import org.drools.builder.KnowledgeBuilderError;
import org.drools.builder.KnowledgeBuilderErrors;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.io.ResourceFactory;
import org.jboss.logging.Logger;
import org.jboss.seam.security.qualifiers.Security;
import org.jboss.seam.solder.resourceLoader.Resource;
/**
* Workaround until we have a seam-drools release
*
* @author Shane Bryzak
*/
public class SecurityRuleProducer {
private static final Logger log = Logger.getLogger(SecurityRuleProducer.class);
@Inject
@Resource("security.drl")
InputStream securityRules;
@Inject
@Resource("WEB-INF/security.drl")
InputStream webInfSecurityRules;
@Produces
@ApplicationScoped
@Security
public KnowledgeBase createSecurityKnowledgeBase() {
KnowledgeBuilderConfiguration config = KnowledgeBuilderFactory.newKnowledgeBuilderConfiguration();
KnowledgeBaseConfiguration kBaseConfig = KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder(config);
org.drools.io.Resource resource = ResourceFactory.newInputStreamResource(
securityRules != null ? securityRules : webInfSecurityRules);
kbuilder.add(resource, ResourceType.DRL);
KnowledgeBuilderErrors kbuildererrors = kbuilder.getErrors();
if (kbuildererrors.size() > 0) {
for (KnowledgeBuilderError kbuildererror : kbuildererrors) {
log.error(kbuildererror.getMessage());
}
}
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase(kBaseConfig);
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
return kbase;
}
}