Author: norman.richards(a)jboss.com Date: 2009-06-24 16:51:19 -0400 (Wed, 24 Jun 2009) New Revision: 11203 Added: branches/community/Seam_2_2/src/main/org/jboss/seam/drools/SpreadsheetCompiler.java Modified: branches/community/Seam_2_2/src/main/org/jboss/seam/drools/RuleBase.java Log: JBSEAM-4266 Modified: branches/community/Seam_2_2/src/main/org/jboss/seam/drools/RuleBase.java =================================================================== --- branches/community/Seam_2_2/src/main/org/jboss/seam/drools/RuleBase.java 2009-06-24 18:25:59 UTC (rev 11202) +++ branches/community/Seam_2_2/src/main/org/jboss/seam/drools/RuleBase.java 2009-06-24 20:51:19 UTC (rev 11203) @@ -11,8 +11,6 @@ import org.drools.compiler.PackageBuilder; import org.drools.compiler.PackageBuilderConfiguration; import org.drools.compiler.RuleBuildError; -import org.drools.decisiontable.InputType; -import org.drools.decisiontable.SpreadsheetCompiler; import org.drools.spi.ConsequenceExceptionHandler; import org.jboss.seam.ScopeType; import org.jboss.seam.annotations.Create; @@ -61,16 +59,13 @@ if(isDecisionTable(ruleFile)) { - log.debug("compiling decision table"); - SpreadsheetCompiler compiler = new SpreadsheetCompiler(); - String drl = compiler.compile(stream, InputType.XLS); - - log.debug("creating source"); - byte currentXMLBytes[] = drl.getBytes(); - InputStreamReader source = new InputStreamReader(new ByteArrayInputStream(currentXMLBytes)); - - builder.addPackageFromDrl(source); - } + if (SpreadsheetCompiler.instance() != null) { + builder.addPackageFromDrl(SpreadsheetCompiler.instance().compile(stream)); + } else { + throw new UnsupportedOperationException("Unable to compile decision table. You need drools-decisiontables.jar in your classpath"); + + } + } else if(isRuleFlow(ruleFile)) { log.debug("adding ruleflow: " + ruleFile); Added: branches/community/Seam_2_2/src/main/org/jboss/seam/drools/SpreadsheetCompiler.java =================================================================== --- branches/community/Seam_2_2/src/main/org/jboss/seam/drools/SpreadsheetCompiler.java (rev 0) +++ branches/community/Seam_2_2/src/main/org/jboss/seam/drools/SpreadsheetCompiler.java 2009-06-24 20:51:19 UTC (rev 11203) @@ -0,0 +1,53 @@ +package org.jboss.seam.drools; + +import static org.jboss.seam.ScopeType.APPLICATION; +import static org.jboss.seam.annotations.Install.BUILT_IN; + +import java.io.ByteArrayInputStream; +import java.io.InputStream; +import java.io.InputStreamReader; + +import org.drools.decisiontable.InputType; +import org.jboss.seam.Component; +import org.jboss.seam.ScopeType; +import org.jboss.seam.annotations.Install; +import org.jboss.seam.annotations.Name; +import org.jboss.seam.annotations.Scope; +import org.jboss.seam.annotations.intercept.BypassInterceptors; +import org.jboss.seam.contexts.Contexts; +import org.jboss.seam.log.LogProvider; +import org.jboss.seam.log.Logging; + +/** + * Compiles Drools DecisionTable. + * + * @author Tihomir Surdilovic + * + */ + +(a)Name("org.jboss.seam.drools.spreadsheetComponent") +@BypassInterceptors +@Scope(APPLICATION) +@Install(precedence = BUILT_IN, classDependencies = "org.drools.decisiontable.SpreadsheetCompiler") +public class SpreadsheetCompiler +{ + private static final LogProvider log = Logging.getLogProvider(SpreadsheetCompiler.class); + + public InputStreamReader compile(InputStream stream) { + org.drools.decisiontable.SpreadsheetCompiler compiler = new org.drools.decisiontable.SpreadsheetCompiler(); + String drl = compiler.compile(stream, InputType.XLS); + + byte currentXMLBytes[] = drl.getBytes(); + InputStreamReader source = new InputStreamReader(new ByteArrayInputStream(currentXMLBytes)); + return source; + } + + public static SpreadsheetCompiler instance() + { + if (!Contexts.isApplicationContextActive()) { + return new SpreadsheetCompiler(); + } else { + return (SpreadsheetCompiler) Component.getInstance(SpreadsheetCompiler.class, ScopeType.APPLICATION); + } + } +} \ No newline at end of file