How to use

org.apache.commons.digester.CallParamRule

constructor

/**
 * {@inheritDoc}
 */
public CallParamRule get() {
  return new CallParamRule(this.paramIndex, this.stackIndex);
}

/**
 * {@inheritDoc}
 */
public CallParamRule get() {
  return new CallParamRule(this.index);
}

/**
 * {@inheritDoc}
 */
public CallParamRule get() {
  return new CallParamRule(this.index, this.attribute);
}

/**
 * Add a "call parameter" rule for the specified parameters.
 *
 * @param pattern Element matching pattern
 * @param paramIndex Zero-relative parameter index to set
 *  (from the body of this element)
 * @see CallParamRule
 */
public void addCallParam(String pattern, int paramIndex) {
  addRule(pattern,
      new CallParamRule(paramIndex));
}

/**
 * Add a "call parameter" rule.
 * This will either take a parameter from the stack 
 * or from the current element body text. 
 *
 * @param paramIndex The zero-relative parameter number
 * @param fromStack Should the call parameter be taken from the top of the stack?
 * @see CallParamRule
 */    
public void addCallParam(String pattern, int paramIndex, boolean fromStack) {

  addRule(pattern,
      new CallParamRule(paramIndex, fromStack));
 
}

/**
 * Add a "call parameter" rule that sets a parameter from the stack.
 * This takes a parameter from the given position on the stack.
 *
 * @param paramIndex The zero-relative parameter number
 * @param stackIndex set the call parameter to the stackIndex'th object down the stack,
 * where 0 is the top of the stack, 1 the next element down and so on
 * @see CallMethodRule
 */    
public void addCallParam(String pattern, int paramIndex, int stackIndex) {

  addRule(pattern,
      new CallParamRule(paramIndex, stackIndex));
 
}

/**
 * Add a "call parameter" rule for the specified parameters.
 *
 * @param pattern Element matching pattern
 * @param paramIndex Zero-relative parameter index to set
 *  (from the specified attribute)
 * @param attributeName Attribute whose value is used as the
 *  parameter value
 * @see CallParamRule
 */
public void addCallParam(String pattern, int paramIndex,
             String attributeName) {
  addRule(pattern,
      new CallParamRule(paramIndex, attributeName));
}

  @Override
  public Object createObject(Attributes attributes) {
    // create callparamrule
    int paramIndex = Integer.parseInt(attributes.getValue("paramnumber"));
    String attributeName = attributes.getValue("attrname");
    String fromStack = attributes.getValue("from-stack");
    String stackIndex = attributes.getValue("stack-index");
    Rule callParamRule = null;
    if (attributeName == null) {
      if (stackIndex != null) {                    
        callParamRule = new CallParamRule(
          paramIndex, Integer.parseInt(stackIndex));                
      } else if (fromStack != null) {                
        callParamRule = new CallParamRule(
          paramIndex, Boolean.valueOf(fromStack).booleanValue());                
      } else {
        callParamRule = new CallParamRule(paramIndex);     
      }
    } else {
      if (fromStack == null) {
        callParamRule = new CallParamRule(paramIndex, attributeName);                    
      } else {
        // specifying both from-stack and attribute name is not allowed
        throw new RuntimeException(
          "Attributes from-stack and attrname cannot both be present.");
      }
    }
    return callParamRule;
  }
}

/**
 * Add a "call parameter" rule that sets a parameter from the stack.
 * This takes a parameter from the given position on the stack.
 *
 * @param paramIndex The zero-relative parameter number
 * @param stackIndex set the call parameter to the stackIndex'th object down the stack,
 * where 0 is the top of the stack, 1 the next element down and so on
 * @see CallMethodRule
 */    
public void addCallParam(String pattern, int paramIndex, int stackIndex) {

  addRule(pattern,
      new CallParamRule(paramIndex, stackIndex));
 
}
 

/**
 * Add a "call parameter" rule for the specified parameters.
 *
 * @param pattern Element matching pattern
 * @param paramIndex Zero-relative parameter index to set
 *  (from the body of this element)
 * @see CallParamRule
 */
public void addCallParam(String pattern, int paramIndex) {
  addRule(pattern,
      new CallParamRule(paramIndex));
}

/**
 * Add a "call parameter" rule.
 * This will either take a parameter from the stack 
 * or from the current element body text. 
 *
 * @param paramIndex The zero-relative parameter number
 * @param fromStack Should the call parameter be taken from the top of the stack?
 * @see CallParamRule
 */    
public void addCallParam(String pattern, int paramIndex, boolean fromStack) {

  addRule(pattern,
      new CallParamRule(paramIndex, fromStack));
 
}

  public Object createObject(Attributes attributes) {
    // create callparamrule
    int paramIndex = Integer.parseInt(attributes.getValue("paramnumber"));
    String attributeName = attributes.getValue("attrname");
    String fromStack = attributes.getValue("from-stack");
    String stackIndex = attributes.getValue("stack-index");
    Rule callParamRule = null;
    if (attributeName == null) {
      if (stackIndex != null) {                    
        callParamRule = new CallParamRule(
          paramIndex, Integer.parseInt(stackIndex));                
      } else if (fromStack != null) {                
        callParamRule = new CallParamRule(
          paramIndex, Boolean.valueOf(fromStack).booleanValue());                
      } else {
        callParamRule = new CallParamRule(paramIndex);     
      }
    } else {
      if (fromStack == null) {
        callParamRule = new CallParamRule(paramIndex, attributeName);                    
      } else {
        // specifying both from-stack and attribute name is not allowed
        throw new RuntimeException(
          "Attributes from-stack and attrname cannot both be present.");
      }
    }
    return callParamRule;
  }
}

/**
 * Add a "call parameter" rule for the specified parameters.
 *
 * @param pattern Element matching pattern
 * @param paramIndex Zero-relative parameter index to set
 *  (from the specified attribute)
 * @param attributeName Attribute whose value is used as the
 *  parameter value
 * @see CallParamRule
 */
public void addCallParam(String pattern, int paramIndex,
             String attributeName) {
  addRule(pattern,
      new CallParamRule(paramIndex, attributeName));
}