/*
* Copyright 2010 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.
* 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.eclipse;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.drools.core.RuleBaseConfiguration;
import org.drools.eclipse.util.ProjectClassLoader;
import org.drools.core.process.core.ParameterDefinition;
import org.drools.core.process.core.WorkDefinition;
import org.drools.core.process.core.datatype.DataType;
import org.drools.core.process.core.impl.ParameterDefinitionImpl;
import org.drools.core.process.core.impl.WorkDefinitionExtensionImpl;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
public final class WorkItemDefinitions {
private WorkItemDefinitions() {
}
public static Map<String, WorkDefinition> getWorkDefinitions(IResource resource) {
IProject project = resource.getProject();
if (project != null) {
try {
if (project.getNature("org.eclipse.jdt.core.javanature") != null) {
IJavaProject javaProject = JavaCore.create(project);
if (javaProject != null && javaProject.exists()) {
return getWorkDefinitions(javaProject);
}
}
} catch (CoreException e) {
DroolsEclipsePlugin.log(e);
}
}
return null;
}
public static Map<String, WorkDefinition> getWorkDefinitions(IJavaProject project) {
if (project != null) {
ClassLoader oldLoader = Thread.currentThread().getContextClassLoader();
ClassLoader newLoader = ProjectClassLoader.getProjectClassLoader(project);
try {
Map<String, WorkDefinition> workDefinitions = new HashMap<String, WorkDefinition>();
Thread.currentThread().setContextClassLoader(newLoader);
List<Map<String, Object>> workDefinitionsMaps = new RuleBaseConfiguration().getWorkDefinitions();
for ( Map<String, Object> workDefinitionMap : workDefinitionsMaps ) {
if ( workDefinitionMap != null ) {
WorkDefinitionExtensionImpl workDefinition = new WorkDefinitionExtensionImpl();
workDefinition.setName( (String) workDefinitionMap.get( "name" ) );
workDefinition.setDisplayName( (String) workDefinitionMap.get( "displayName" ) );
workDefinition.setIcon( (String) workDefinitionMap.get( "icon" ) );
String customEditor = (String) workDefinitionMap.get( "eclipse:customEditor" );
if (customEditor == null) {
customEditor = (String) workDefinitionMap.get( "customEditor" );
}
if (customEditor == null) {
customEditor = "org.drools.eclipse.flow.common.editor.editpart.work.SampleCustomEditor";
}
workDefinition.setCustomEditor( customEditor );
Set<ParameterDefinition> parameters = new HashSet<ParameterDefinition>();
Map<String, DataType> parameterMap = (Map<String, DataType>) workDefinitionMap.get( "parameters" );
if ( parameterMap != null ) {
for ( Map.Entry<String, DataType> entry : parameterMap.entrySet() ) {
parameters.add( new ParameterDefinitionImpl( entry.getKey(),
entry.getValue() ) );
}
}
workDefinition.setParameters( parameters );
Set<ParameterDefinition> results = new HashSet<ParameterDefinition>();
Map<String, DataType> resultMap = (Map<String, DataType>) workDefinitionMap.get( "results" );
if ( resultMap != null ) {
for ( Map.Entry<String, DataType> entry : resultMap.entrySet() ) {
results.add( new ParameterDefinitionImpl( entry.getKey(),
entry.getValue() ) );
}
}
workDefinition.setResults( results );
workDefinitions.put( workDefinition.getName(),
workDefinition );
}
}
return workDefinitions;
} finally {
Thread.currentThread().setContextClassLoader(oldLoader);
}
}
return new HashMap<String, WorkDefinition>();
}
}