Examples with MVEL org.mvel2.MVEL used on opensource projects

Example 26 with MVEL

use of org.mvel2.MVEL in project drools-wb by kiegroup.

the class WorkDefinitionsParser method parse.

/**
 * Parse a MVEL String into WorkDefinitions
 * @param workItemDefinitions
 * @return
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public static Map<String, WorkDefinition> parse(final List<String> workItemDefinitions) {
    final Map<String, WorkDefinition> workDefinitions = new HashMap<String, WorkDefinition>();
    // Add Data-type imports, in-case they are missing from definition
    final ParserContext context = new ParserContext();
    // Compile expression and convert String
    for (String workItemDefinition : workItemDefinitions) {
        final List<Map<String, Object>> workDefinitionsMap = (List<Map<String, Object>>) WidMVELEvaluator.eval(workItemDefinition);
        // Populate model
        if (workDefinitionsMap != null) {
            for (Map<String, Object> workDefinitionMap : workDefinitionsMap) {
                if (workDefinitionMap != null) {
                    final WorkDefinitionImpl workDefinition = new WorkDefinitionImpl();
                    workDefinition.setName((String) workDefinitionMap.get("name"));
                    workDefinition.setDisplayName((String) workDefinitionMap.get("displayName"));
                    workDefinition.setIcon((String) workDefinitionMap.get("icon"));
                    workDefinition.setCustomEditor((String) workDefinitionMap.get("customEditor"));
                    final Set<ParameterDefinition> parameters = new HashSet<ParameterDefinition>();
                    if (workDefinitionMap.get("parameters") != null) {
                        final 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);
                    }
                    if (workDefinitionMap.get("parameterValues") != null) {
                        workDefinition.setParameterValues((Map<String, Object>) workDefinitionMap.get("parameterValues"));
                    }
                    if (workDefinitionMap.get("results") != null) {
                        final Set<ParameterDefinition> results = new HashSet<ParameterDefinition>();
                        final 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);
                    }
                    if (workDefinitionMap.get("defaultHandler") != null) {
                        workDefinition.setDefaultHandler((String) workDefinitionMap.get("defaultHandler"));
                    }
                    if (workDefinitionMap.get("dependencies") != null) {
                        workDefinition.setDependencies(((List<String>) workDefinitionMap.get("dependencies")).toArray(new String[0]));
                    }
                    if (workDefinitionMap.get("documentation") != null) {
                        workDefinition.setDocumentation((String) workDefinitionMap.get("documentation"));
                    }
                    if (workDefinitionMap.get("version") != null) {
                        workDefinition.setVersion((String) workDefinitionMap.get("version"));
                    }
                    if (workDefinitionMap.get("description") != null) {
                        workDefinition.setDescription((String) workDefinitionMap.get("description"));
                    }
                    if (workDefinitionMap.get("mavenDependencies") != null) {
                        workDefinition.setMavenDependencies(((List<String>) workDefinitionMap.get("mavenDependencies")).toArray(new String[0]));
                    }
                    workDefinitions.put(workDefinition.getName(), workDefinition);
                }
            }
        }
    }
    return workDefinitions;
}