package org.argeo.slc.core.execution;
+import java.util.ArrayList;
import java.util.HashMap;
+import java.util.List;
import java.util.Map;
-import java.util.Stack;
import java.util.UUID;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
-import org.argeo.slc.SlcException;
-import org.argeo.slc.execution.ExecutionFlow;
import org.argeo.slc.execution.ExecutionSpec;
import org.argeo.slc.execution.ExecutionSpecAttribute;
import org.springframework.beans.factory.BeanNameAware;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.beans.factory.NoSuchBeanDefinitionException;
+import org.springframework.beans.factory.config.BeanDefinition;
+import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.context.ConfigurableApplicationContext;
-public class DefaultExecutionSpec implements ExecutionSpec, BeanNameAware {
+public class DefaultExecutionSpec implements ExecutionSpec, BeanNameAware,
+ ApplicationContextAware, InitializingBean {
private final static Log log = LogFactory
.getLog(DefaultExecutionSpec.class);
-
-// private final static ThreadLocal<Stack<ExecutionFlow> > flowStack = new ThreadLocal<Stack<ExecutionFlow> >();
+ private ApplicationContext applicationContext;
+ private String description;
private Map<String, ExecutionSpecAttribute> attributes = new HashMap<String, ExecutionSpecAttribute>();
private String name = getClass().getName() + "#" + UUID.randomUUID();
return ((ExecutionSpec) obj).getName().equals(name);
}
+ public String getDescription() {
+ return description;
+ }
+
+ private ConfigurableListableBeanFactory getBeanFactory() {
+ return ((ConfigurableApplicationContext) applicationContext)
+ .getBeanFactory();
+ }
+
+ public void setApplicationContext(ApplicationContext applicationContext) {
+ this.applicationContext = applicationContext;
+ }
+
+ public void afterPropertiesSet() throws Exception {
+ if (description == null) {
+ try {
+ description = getBeanFactory().getBeanDefinition(name)
+ .getDescription();
+ } catch (NoSuchBeanDefinitionException e) {
+ // silent
+ }
+ }
+
+ for (String key : attributes.keySet()) {
+ ExecutionSpecAttribute attr = attributes.get(key);
+ if (attr instanceof RefSpecAttribute) {
+ RefSpecAttribute rsa = (RefSpecAttribute) attr;
+ if (rsa.getChoices() == null) {
+ List<RefValueChoice> choices = buildRefValueChoices(rsa);
+ if (log.isDebugEnabled())
+ log.debug("Found " + choices.size() + " choices for "
+ + rsa + " in spec " + name);
+
+ rsa.setChoices(choices);
+ }
+ }
+ }
+ }
+
+ protected List<RefValueChoice> buildRefValueChoices(RefSpecAttribute rsa) {
+ List<RefValueChoice> choices = new ArrayList<RefValueChoice>();
+ if (applicationContext == null) {
+ log.warn("No application context declared,"
+ + " cannot scan ref value choices.");
+ return choices;
+ }
+
+ for (String beanName : getBeanFactory().getBeanNamesForType(
+ rsa.getTargetClass(), true, false)) {
+ BeanDefinition bd = getBeanFactory().getBeanDefinition(beanName);
+ RefValueChoice choice = new RefValueChoice();
+ choice.setName(beanName);
+ choice.setDescription(bd.getDescription());
+ if (log.isTraceEnabled())
+ log.debug("Found choice " + beanName + " for " + rsa);
+
+ choices.add(choice);
+
+ }
+ return choices;
+ }
+
}