<?xml version='1.0' encoding='iso-8859-1' ?>
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.hwapi-object">
 <refnamediv>
  <refname>hw_api->object</refname>
  <refpurpose>Retrieve attribute information</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <classsynopsis>
   <ooclass><classname>hw_api</classname></ooclass>
   <methodsynopsis>
    <type>hw_api_object</type><methodname>object</methodname>
    <methodparam><type>array</type><parameter>parameter</parameter></methodparam>
   </methodsynopsis>
  </classsynopsis>
  <para>
   This function retrieves the attribute information of an object of any
   version. It will not return the document content. 
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>parameter</parameter></term>
     <listitem>
      <para>
       The parameter array contains the required elements 'objectIdentifier'
       and the optional elements 'attributeSelector' and 'version'.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   The returned object is an instance of class
   <classname>HW_API_Object</classname> on success or
   <classname>HW_API_Error</classname> if an error occurred.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   This simple example retrieves an object and checks for errors.
   <example>
    <title>Retrieve an object</title>
    <programlisting role="php">
<![CDATA[
<?php
function handle_error($error)
{
  $reason = $error->reason(0);
  echo "Type: <b>";
  switch ($reason->type()) {
    case 0:
      echo "Error";
      break;
    case 1:
      echo "Warning";
      break;
    case 2:
      echo "Message";
      break;
  }
  echo "</b><br />\n";
  echo "Description: " . $reason->description("en") . "<br />\n";
}

function list_attr($obj)
{
  echo "<table>\n";
  $count = $obj->count();
  for ($i=0; $i<$count; $i++) {
    $attr = $obj->attribute($i);
    printf("<tr><td align=\"right\" bgcolor=\"#c0c0c0\"><b>%s</b></td><td bgcolor=\"#F0F0F0\">%s</td></tr>\n",
             $attr->key(), $attr->value());
  }
  echo "</table>\n";
}

$hwapi = hwapi_hgcsp($g_config[HOSTNAME]);
$parms = array("objectIdentifier"=>"rootcollection", "attributeSelector"=>array("Title", "Name", "DocumentType"));
$root = $hwapi->object($parms);
if (get_class($root) == "HW_API_Error") {
  handle_error($root);
  exit;
}
list_attr($root);
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><xref linkend="function.hwapi-content" /></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>

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