/*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.drools;
import com.google.gwt.user.client.rpc.SerializationException;
import org.drools.compiler.DroolsParserException;
import org.drools.decisiontable.InputType;
import org.drools.decisiontable.SpreadsheetCompiler;
import org.drools.guvnor.client.rpc.Asset;
import org.drools.guvnor.server.builder.AssemblyErrorLogger;
import org.drools.guvnor.server.builder.BRMSPackageBuilder;
import org.drools.guvnor.server.contenthandler.ContentHandler;
import org.drools.guvnor.server.contenthandler.IRuleAsset;
import org.drools.repository.AssetItem;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
/**
* This is for handling XLS content (classic decision tables).
*/
public class DecisionTableXLSHandler extends ContentHandler
implements
IRuleAsset {
public void retrieveAssetContent(Asset asset,
AssetItem item) throws SerializationException {
//do nothing, as we have an attachment
}
public void storeAssetContent(Asset asset,
AssetItem repoAsset) throws SerializationException {
//do nothing, as we have an attachment
}
public void assembleDRL(BRMSPackageBuilder builder,
Asset asset,
StringBuilder stringBuilder) {
}
public void assembleDRL(BRMSPackageBuilder builder,
AssetItem asset,
StringBuilder stringBuilder) {
stringBuilder.append(getRawDRL(asset));
}
public void compile(BRMSPackageBuilder builder,
AssetItem asset,
AssemblyErrorLogger logger) throws DroolsParserException,
IOException {
StringBuilder stringBuilder = new StringBuilder();
assembleDRL(builder,
asset,
stringBuilder);
builder.addPackageFromDrl(new StringReader(stringBuilder.toString()));
}
public String getRawDRL(AssetItem asset) {
return getDRL(asset.getBinaryContentAttachment());
}
private String getDRL(InputStream stream) {
SpreadsheetCompiler comp = new SpreadsheetCompiler();
return comp.compile(false,
stream,
InputType.XLS);
}
}