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
*
* 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.
*/
import java.io.IOException;
import java.io.StringReader;
import org.drools.compiler.DroolsParserException;
import org.drools.guvnor.client.modeldriven.brl.RuleModel;
import org.drools.guvnor.client.rpc.RuleAsset;
import org.drools.guvnor.server.builder.BRMSPackageBuilder;
import org.drools.guvnor.server.builder.ContentPackageAssembler;
import org.drools.guvnor.server.util.BRDRLPersistence;
import org.drools.guvnor.server.util.BRXMLPersistence;
import org.drools.repository.AssetItem;
import org.drools.repository.PackageItem;
import com.google.gwt.user.client.rpc.SerializableException;
public class BRLContentHandler extends ContentHandler implements IRuleAsset {
public void retrieveAssetContent(RuleAsset asset, PackageItem pkg,
AssetItem item) throws SerializableException {
RuleModel model = BRXMLPersistence.getInstance().unmarshal(
item.getContent());
asset.content = model;
}
public void storeAssetContent(RuleAsset asset, AssetItem repoAsset)
throws SerializableException {
RuleModel data = (RuleModel) asset.content;
if (data.name == null) {
data.name = repoAsset.getName();
}
repoAsset.updateContent(BRXMLPersistence.getInstance().marshal(data));
}
public void compile(BRMSPackageBuilder builder, AssetItem asset,
ContentPackageAssembler.ErrorLogger logger)
throws DroolsParserException, IOException {
builder
.addPackageFromDrl(new StringReader(
getSourceDRL(asset, builder)));
}
public void assembleDRL(BRMSPackageBuilder builder, AssetItem asset,
StringBuffer buf) {
String drl = getSourceDRL(asset, builder);
buf.append(drl);
}
private String getSourceDRL(AssetItem asset, BRMSPackageBuilder builder) {
RuleModel model = BRXMLPersistence.getInstance().unmarshal(
asset.getContent());
model.name = asset.getName();
model.parentName = this.parentNameFromCategory(asset, model.parentName);
String drl = BRDRLPersistence.getInstance().marshal(model);
if (builder.hasDSL() && model.hasDSLSentences()) {
drl = builder.getDSLExpander().expand(drl);
}
return drl;
}
}