/**
  * Filters the caller methods.
  *
  * @param method the method to filter
  * @return boolean true if the method should be filtered away
  */
 private boolean methodFilterCaller(final CtBehavior method) {
   if (Modifier.isNative(method.getModifiers())
       || Modifier.isInterface(method.getModifiers())
       || method.getName().equals(TransformationUtil.GET_META_DATA_METHOD)
       || method.getName().equals(TransformationUtil.SET_META_DATA_METHOD)
       || method.getName().equals(TransformationUtil.CLASS_LOOKUP_METHOD)
       || method.getName().equals(TransformationUtil.GET_UUID_METHOD)) {
     return true;
   } else {
     return false;
   }
 }
예제 #2
0
 private String from(Expr expr) {
   CtBehavior source = expr.where();
   return " in "
       + source.getName()
       + "("
       + expr.getFileName()
       + ":"
       + expr.getLineNumber()
       + ")";
 }
예제 #3
0
  /**
   * Return javaassist source snippet which lists all the parameters and their values. If available
   * the source names are extracted from the debug information and used, otherwise just a number is
   * shown.
   *
   * @param method
   * @return
   * @throws NotFoundException
   */
  public static String getSignature(CtBehavior method) throws NotFoundException {

    CtClass[] parameterTypes = method.getParameterTypes();

    CodeAttribute codeAttribute = method.getMethodInfo().getCodeAttribute();

    LocalVariableAttribute locals = null;

    if (codeAttribute != null) {
      AttributeInfo attribute;
      attribute = codeAttribute.getAttribute("LocalVariableTable");
      locals = (LocalVariableAttribute) attribute;
    }

    String methodName = method.getName();

    StringBuilder sb = new StringBuilder(methodName).append("(\" ");
    for (int i = 0; i < parameterTypes.length; i++) {
      if (i > 0) {
        // add a comma and a space between printed values
        sb.append(" + \", \" ");
      }

      CtClass parameterType = parameterTypes[i];
      boolean isArray = parameterType.isArray();
      CtClass arrayType = parameterType.getComponentType();
      if (isArray) {
        while (arrayType.isArray()) {
          arrayType = arrayType.getComponentType();
        }
      }

      sb.append(" + \"");
      try {
        sb.append(parameterNameFor(method, locals, i));
      } catch (Exception e) {
        sb.append(i + 1);
      }
      sb.append("\" + \"=");

      if (parameterType.isPrimitive()) {
        // let the compiler handle primitive -> string
        sb.append("\"+ $").append(i + 1);
      } else {
        String s = "org.slf4j.instrumentation.ToStringHelper.render";
        sb.append("\"+ ").append(s).append("($").append(i + 1).append(')');
      }
    }
    sb.append("+\")");

    String signature = sb.toString();
    return signature;
  }