/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* 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.kie.server.services.jbpm.ui.img;
import java.io.File;
import org.drools.compiler.kie.builder.impl.InternalKieModule;
import org.drools.compiler.kie.builder.impl.KieContainerImpl;
import org.kie.api.builder.model.KieBaseModel;
import org.kie.api.definition.process.*;
import org.kie.api.runtime.KieContainer;
public class ImageReference {
private static final String SVG_SUFFIX = "-svg.svg";
private static final String DEFAULT_KBASE_NAME = "defaultKieBase";
private InternalKieModule kieModule;
private KieContainer kieContainer;
private String kieBaseName;
public ImageReference(KieContainer kieContainer, String kieBaseName) {
this.kieContainer = kieContainer;
if (kieBaseName == null || kieBaseName.isEmpty()) {
KieBaseModel defaultKBaseModel = ((KieContainerImpl)kieContainer).getKieProject().getDefaultKieBaseModel();
if (defaultKBaseModel != null) {
kieBaseName = defaultKBaseModel.getName();
} else {
kieBaseName = DEFAULT_KBASE_NAME;
}
}
kieModule = (InternalKieModule) ((KieContainerImpl)kieContainer).getKieModuleForKBase(kieBaseName);
this.kieBaseName = kieBaseName;
}
public byte[] getImageContent(String location, String name) {
org.kie.api.definition.process.Process process = kieContainer.getKieBase(kieBaseName).getProcess(name);
if (process != null) {
String sourcePath = process.getResource().getSourcePath();
if (sourcePath != null) {
String processDirectory = "";
if (sourcePath.indexOf("/") != -1) {
processDirectory = sourcePath.substring(0, sourcePath.lastIndexOf("/") + 1);
}
byte[] data = seek(processDirectory, name, kieModule);
if (data != null) {
return data;
}
// set process directory as location in case the main search mechanism did not find the image
location = processDirectory;
}
}
byte[] data = seek(location, name, kieModule);
if (data == null && kieModule.getKieDependencies() != null) {
for (InternalKieModule depKieModule : kieModule.getKieDependencies().values()) {
data = seek(location, name, depKieModule);
if (data != null) {
break;
}
}
}
return data;
}
protected byte[] seek(String location, String name, InternalKieModule kieModule) {
byte[] data = kieModule.getBytes(location + name + SVG_SUFFIX);
if (data == null) {
data = kieModule.getBytes(name + SVG_SUFFIX);
}
return data;
}
}