1 files changed, 72 insertions, 0 deletions
diff --git a/library/Toplevelview/Config/ConfigEmitter.php b/library/Toplevelview/Config/ConfigEmitter.php
new file mode 100644
index 0000000..b8caff9
--- /dev/null
+++ b/library/Toplevelview/Config/ConfigEmitter.php
@@ -0,0 +1,72 @@
+<?php
+/* TopLevelView module for Icingaweb2 - Copyright (c) 2017 Icinga Development Team <info@icinga.com> */
+
+namespace Icinga\Module\Toplevelview\Config;
+
+use Icinga\Exception\NotImplementedError;
+use stdClass;
+
+class ConfigEmitter
+{
+    /** @var array */
+    protected $config;
+
+    public function __construct($config)
+    {
+        $this->config = $config;
+    }
+
+    public static function classToArray($obj)
+    {
+        $arr = array();
+        foreach (get_object_vars($obj) as $k => $v) {
+            if ($k !== 'children') {
+                $arr[$k] = $v;
+            }
+        }
+
+        // handle children last for visibility
+        if (property_exists($obj, 'children')) {
+            $arr['children'] = array();
+            foreach ($obj->children as $child) {
+                // convert each child to an array
+                $arr['children'][] = static::classToArray($child);
+            }
+        }
+
+        return $arr;
+    }
+
+    public static function fromLegacyTree(stdClass $tree)
+    {
+        return new static(static::classToArray($tree));
+    }
+
+    public function emitJSON(&$contentType = null)
+    {
+        $contentType = 'application/json';
+        return json_encode($this->config);
+    }
+
+    public function emitYAML(&$contentType = null)
+    {
+        $contentType = 'application/yaml';
+        return yaml_emit($this->config, YAML_UTF8_ENCODING, YAML_LN_BREAK);
+    }
+
+    public function emitEXPORT(&$contentType = null)
+    {
+        $contentType = 'text/plain';
+        return var_export($this->config, true);
+    }
+
+    public function emit($format, &$contentType = null)
+    {
+        $funcName = 'emit' . strtoupper($format);
+        if (method_exists($this, $funcName)) {
+            return $this->$funcName($contentType);
+        } else {
+            throw new NotImplementedError('format "%s" is not implemented to emit!', $format);
+        }
+    }
+}