title: How to add a message to a specific component from JSF backing bean
body: <p>I have an h:inputText and an h:message connected to it:</p>
  
  <pre><code>&lt;h:inputText id="myText" value="#{myController.myText}" /&gt;
  &lt;a4j:outputPanel&gt;
      &lt;h:message for="myText" .../&gt;
  &lt;/a4j:outputPanel&gt;
  </code></pre>
  
  <p>I want to send a message to it from java, in a manner like:</p>
  
  <pre><code>FacesContext.getCurrentInstance().addMessage(arg0, arg1);
  </code></pre>
  
  <p>which is sent to h:messages, but to a specific id in a specific form.
  How can I do this? (Without implementing validation bean or validation method - meaning without throwing validation exception).</p>