Added RSAKey::isValid() and URL::isEmpty()

modules/juce_core/network/juce_URL.cpp

@@ -179,6 +179,11 @@ String URL::toString (const bool includeGetParameters) const
     return url;
 }
 
+bool URL::isEmpty() const noexcept
+{
+    return url.isEmpty();
+}
+
 bool URL::isWellFormed() const
 {
     //xxx TODO

modules/juce_core/network/juce_URL.h

@@ -76,6 +76,9 @@ public:
     */
     String toString (bool includeGetParameters) const;
 
+    /** Returns true if the URL is an empty string. */
+    bool isEmpty() const noexcept;
+
     /** True if it seems to be valid. */
     bool isWellFormed() const;
 

modules/juce_cryptography/encryption/juce_RSAKey.cpp

@@ -54,6 +54,11 @@ bool RSAKey::operator!= (const RSAKey& other) const noexcept
     return ! operator== (other);
 }
 
+bool RSAKey::isValid() const noexcept
+{
+    return operator!= (RSAKey());
+}
+
 String RSAKey::toString() const
 {
     return part1.toString (16) + "," + part2.toString (16);

modules/juce_cryptography/encryption/juce_RSAKey.h

@@ -113,11 +113,15 @@ public:
 
     //==============================================================================
     /** Turns the key into a string representation.
-
         This can be reloaded using the constructor that takes a string.
     */
     String toString() const;
 
+    /** Returns true if the object is a valid key, or false if it was created by
+        the default constructor.
+    */
+    bool isValid() const noexcept;
+
     //==============================================================================
     /** Encodes or decodes a value.