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Copyright 2010 JBoss Inc Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
package org.drools.guvnor.server.contenthandler;
 * Copyright 2005 JBoss Inc
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
import  org.drools.guvnor.client.rpc.RuleAsset;

This is for handling XLS content (classic decision tables).

Michael Neale
public class DecisionTableXLSHandler extends ContentHandler
    IRuleAsset {
    public void retrieveAssetContent(RuleAsset asset,
                                     PackageItem pkg,
                                     AssetItem itemthrows SerializationException {
        //do nothing, as we have an attachment
    public void storeAssetContent(RuleAsset asset,
                                  AssetItem repoAssetthrows SerializationException {
        //do nothing, as we have an attachment
    public void assembleDRL(BRMSPackageBuilder builder,
                            AssetItem asset,
                            StringBuffer buf) {
        buf.append( getRawDRL( asset ) );
    public void compile(BRMSPackageBuilder builder,
                        AssetItem asset,
                        ErrorLogger loggerthrows DroolsParserException,
                                           IOException {
        StringBuffer buf = new StringBuffer();
        assembleDRL( builder,
                     buf );
        builder.addPackageFromDrl( new StringReader( buf.toString() ) );
    public String getRawDRL(AssetItem asset) {
        SpreadsheetCompiler comp = new SpreadsheetCompiler();
        String drl = comp.compile( false,
                                   InputType.XLS );
        return drl;
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