/**
  * Snoops through the declaring class and all parents looking for methods
  *
  * <ul>
  *   <li><code>public String getMessage(java.lang.String)</code>
  *   <li><code>public String getMessage(java.lang.String, java.util.Locale)</code>
  *   <li><code>public String getMessage(java.lang.String, java.lang.Object[])</code>
  *   <li><code>public String getMessage(java.lang.String, java.lang.Object[], java.util.Locale)
  *       </code>
  *   <li><code>public String getMessage(java.lang.String, java.util.List)</code>
  *   <li><code>public String getMessage(java.lang.String, java.util.List, java.util.Locale)</code>
  *   <li><code>public String getMessage(java.lang.String, java.util.Map)</code>
  *   <li><code>public String getMessage(java.lang.String, java.util.Map, java.util.Locale)</code>
  *   <li><code>public String getMessage(java.lang.String, java.lang.String)</code>
  *   <li><code>public String getMessage(java.lang.String, java.lang.String, java.util.Locale)
  *       </code>
  *   <li><code>public String getMessage(java.lang.String, java.lang.Object[], java.lang.String)
  *       </code>
  *   <li><code>
  *       public String getMessage(java.lang.String, java.lang.Object[], java.lang.String, java.util.Locale)
  *       </code>
  *   <li><code>public String getMessage(java.lang.String, java.util.List, java.lang.String)</code>
  *   <li><code>
  *       public String getMessage(java.lang.String, java.util.List, java.lang.String, java.util.Locale)
  *       </code>
  *   <li><code>public String getMessage(java.lang.String, java.util.Map, java.lang.String)</code>
  *   <li><code>
  *       public String getMessage(java.lang.String, java.util.Map, java.lang.String, java.util.Locale)
  *       </code>
  * </ul>
  *
  * If any are defined all must be defined or a compilation error results.
  *
  * @param declaringClass the class to search
  * @param sourceUnit the source unit, for error reporting. {@code @NotNull}.
  * @return true if property change support should be added
  */
 protected static boolean needsMessageSource(ClassNode declaringClass, SourceUnit sourceUnit) {
   boolean found = false;
   ClassNode consideredClass = declaringClass;
   while (consideredClass != null) {
     for (MethodNode method : consideredClass.getMethods()) {
       // just check length, MOP will match it up
       found = method.getName().equals(METHOD_GET_MESSAGE) && method.getParameters().length == 1;
       found |= method.getName().equals(METHOD_GET_MESSAGE) && method.getParameters().length == 2;
       found |= method.getName().equals(METHOD_GET_MESSAGE) && method.getParameters().length == 3;
       found |= method.getName().equals(METHOD_GET_MESSAGE) && method.getParameters().length == 4;
       if (found) return false;
     }
     consideredClass = consideredClass.getSuperClass();
   }
   if (found) {
     sourceUnit
         .getErrorCollector()
         .addErrorAndContinue(
             new SimpleMessage(
                 "@MessageSourceAware cannot be processed on "
                     + declaringClass.getName()
                     + " because some but not all of variants of getMessage() were declared in the current class or super classes.",
                 sourceUnit));
     return false;
   }
   return true;
 }
 public static void addResourceLocatorIfNeeded(SourceUnit source, ClassNode classNode) {
   if (needsMessageSource(classNode, source)) {
     if (LOG.isDebugEnabled()) {
       LOG.debug("Injecting " + ResourceLocator.class.getName() + " into " + classNode.getName());
     }
     apply(classNode);
   }
 }
 public static void addMybatisContributionIfNeeded(SourceUnit source, ClassNode classNode) {
   if (needsMybatisContribution(classNode, source)) {
     if (LOG.isDebugEnabled()) {
       LOG.debug(
           "Injecting "
               + MybatisContributionHandler.class.getName()
               + " into "
               + classNode.getName());
     }
     apply(classNode);
   }
 }
 protected static boolean needsMybatisContribution(
     ClassNode declaringClass, SourceUnit sourceUnit) {
   boolean found1 = false, found2 = false, found3 = false, found4 = false;
   ClassNode consideredClass = declaringClass;
   while (consideredClass != null) {
     for (MethodNode method : consideredClass.getMethods()) {
       // just check length, MOP will match it up
       found1 =
           method.getName().equals(METHOD_WITH_SQL_SESSION) && method.getParameters().length == 1;
       found2 =
           method.getName().equals(METHOD_WITH_SQL_SESSION) && method.getParameters().length == 2;
       found3 =
           method.getName().equals(METHOD_SET_MYBATIS_PROVIDER)
               && method.getParameters().length == 1;
       found4 =
           method.getName().equals(METHOD_GET_MYBATIS_PROVIDER)
               && method.getParameters().length == 0;
       if (found1 && found2 && found3 && found4) {
         return false;
       }
     }
     consideredClass = consideredClass.getSuperClass();
   }
   if (found1 || found2 || found3 || found4) {
     sourceUnit
         .getErrorCollector()
         .addErrorAndContinue(
             new SimpleMessage(
                 "@MybatisAware cannot be processed on "
                     + declaringClass.getName()
                     + " because some but not all of methods from "
                     + MybatisContributionHandler.class.getName()
                     + " were declared in the current class or super classes.",
                 sourceUnit));
     return false;
   }
   return true;
 }