Add parameter map accessor from QgsServerRequest

Author: dmarteau

python/server/qgsserverrequest.sip

@@ -30,7 +30,8 @@ class QgsServerRequest
 %End
   public:
 
-    enum Method {
+    enum Method
+    {
       HeadMethod, PutMethod, GetMethod, PostMethod, DeleteMethod
     };
 
@@ -61,12 +62,17 @@ class QgsServerRequest
     /**
      * @return the request url
      */
-    virtual QUrl url() const;
+    QUrl url() const;
 
     /**
      * @return the request method
      */
-    virtual Method method() const;
+    Method method() const;
+
+    /**
+     *      * @return query params
+     *           */
+    QMap<QString, QString> parameters() const;
 
     /**
      * Return post/put data

src/server/qgsserverrequest.cpp

@@ -18,7 +18,7 @@
  ***************************************************************************/
 
 #include "qgsserverrequest.h"
-
+#include <QUrlQuery>
 
 QgsServerRequest::QgsServerRequest( const QString& url, Method method )
     : mUrl( url )
@@ -56,6 +56,23 @@ QgsServerRequest::Method QgsServerRequest::method() const
   return mMethod;
 }
 
+QMap<QString, QString> QgsServerRequest::parameters() const
+{
+  // Lazy build of the parameter map
+  if ( mParams.isEmpty() && mUrl.hasQuery() )
+  {
+    typedef QPair<QString, QString> pair_t;
+
+    QUrlQuery query( mUrl );
+    QList<pair_t> items = query.queryItems();
+    Q_FOREACH ( const pair_t& pair, items )
+    {
+      mParams.insert( pair.first.toUpper(), pair.second );
+    }
+  }
+  return mParams;
+}
+
 QByteArray QgsServerRequest::data() const
 {
   return QByteArray();

src/server/qgsserverrequest.h

@@ -20,6 +20,7 @@
 #define QGSSERVERREQUEST_H
 
 #include <QUrl>
+#include <QMap>
 
 /**
  * \ingroup server
@@ -58,20 +59,21 @@ class SERVER_EXPORT QgsServerRequest
     //! destructor
     virtual ~QgsServerRequest();
 
-    /**
-     * @return the value of the header field for that request
-     */
-    virtual QString getHeader( const QString& name ) const;
-
     /**
      * @return  the request url
      */
-    virtual QUrl url() const;
+    QUrl url() const;
 
     /**
      * @return the request method
       */
-    virtual Method method() const;
+    Method method() const;
+
+    /**
+     * Return a map of query parameters with keys converted
+     * to uppercase
+     */
+    QMap<QString, QString> parameters() const;
 
     /**
      * Return post/put data
@@ -80,10 +82,19 @@ class SERVER_EXPORT QgsServerRequest
      */
     virtual QByteArray data() const;
 
-  protected:
-    QUrl   mUrl;
-    Method mMethod;
+    /**
+     * @return the value of the header field for that request
+     */
+    virtual QString getHeader( const QString& name ) const;
 
+  private:
+    QUrl       mUrl;
+    Method     mMethod;
+    // We mark as mutable in order
+    // to support lazy initialization
+    // Use QMap here because it will be faster for small
+    // number of elements
+    mutable QMap<QString, QString> mParams;
 };
 
 #endif

src/server/qgsserviceregistry.h

@@ -98,6 +98,8 @@ class SERVER_EXPORT QgsServiceRegistry
     void cleanUp();
 
   private:
+    // XXX consider using QMap because of the few numbers of
+    // elements to handle
     typedef QHash<QString, std::shared_ptr<QgsService> > ServiceTable;
     typedef QHash<QString, QPair<QString, QString> > VersionTable;