private void enhanceConfigurationParameter()

in uimafit-maven-plugin/src/main/java/org/apache/uima/fit/maven/EnhanceMojo.java [471:557]
61 lines of code
13 McCabe index (conditional complexity)

  private void enhanceConfigurationParameter(JavaSource aAST, Class<?> aClazz, CtClass aCtClazz,
          Multimap<String, String> aReportData) throws MojoExecutionException {
    // Get the parameter name constants
    Map<String, String> parameterNameFields = getParameterConstants(aClazz,
            parameterNameConstantPrefixes);
    Map<String, String> resourceNameFields = getParameterConstants(aClazz,
            externalResourceNameConstantPrefixes);

    // Fetch configuration parameters from the @ConfigurationParameter annotations in the
    // compiled class. We only need the fields in the class itself. Superclasses should be
    // enhanced by themselves.
    for (Field field : aClazz.getDeclaredFields()) {
      final String pname;
      final String type;
      final String pdesc;

      // Is this a configuration parameter?
      if (ConfigurationParameterFactory.isConfigurationParameterField(field)) {
        type = "parameter";
        // Extract configuration parameter information from the uimaFIT annotation
        pname = ConfigurationParameterFactory.createPrimitiveParameter(field).getName();
        // Extract JavaDoc for this resource from the source file
        pdesc = Util.getParameterDocumentation(aAST, field.getName(),
                parameterNameFields.get(pname));
      }

      // Is this an external resource?
      else if (ExternalResourceFactory.isExternalResourceField(field)) {
        type = "external resource";
        // Extract resource key from the uimaFIT annotation
        pname = ExternalResourceFactory.createResourceDependency(field).getKey();
        // Extract JavaDoc for this resource from the source file
        pdesc = Util.getParameterDocumentation(aAST, field.getName(),
                resourceNameFields.get(pname));
      } else {
        continue;
      }

      if (pdesc == null) {
        String msg = "No description found for " + type + " [" + pname + "]";
        getLog().debug(msg);
        aReportData.put(aClazz.getName(), msg);
        continue;
      }

      // Update the "description" field of the annotation
      try {
        CtField ctField = aCtClazz.getField(field.getName());
        AnnotationsAttribute annoAttr = (AnnotationsAttribute) ctField.getFieldInfo()
                .getAttribute(AnnotationsAttribute.visibleTag);

        // Locate and update annotation
        if (annoAttr != null) {
          Annotation[] annotations = annoAttr.getAnnotations();

          // Update existing annotation
          for (Annotation a : annotations) {
            if (a.getTypeName()
                    .equals(org.apache.uima.fit.descriptor.ConfigurationParameter.class.getName())
                    || a.getTypeName()
                            .equals(org.apache.uima.fit.descriptor.ExternalResource.class.getName())
                    || a.getTypeName().equals("org.uimafit.descriptor.ConfigurationParameter")
                    || a.getTypeName().equals("org.uimafit.descriptor.ExternalResource")) {
              if (a.getMemberValue("description") == null) {
                a.addMemberValue("description",
                        new StringMemberValue(pdesc, aCtClazz.getClassFile().getConstPool()));
                getLog().debug("Enhanced description of " + type + " [" + pname + "]");
                // Replace updated annotation
                annoAttr.addAnnotation(a);
              } else {
                // Extract configuration parameter information from the uimaFIT
                // annotation
                // We only want to override if the description is not set yet.
                getLog().debug("Not overwriting description of " + type + " [" + pname + "] ");
              }
            }
          }
        }

        // Replace annotations
        ctField.getFieldInfo().addAttribute(annoAttr);
      } catch (NotFoundException e) {
        throw new MojoExecutionException("Field [" + field.getName() + "] not found in byte code: "
                + ExceptionUtils.getRootCauseMessage(e), e);
      }
    }
  }