Add URLInputSource class

modules/juce_core/juce_core.cpp

@@ -226,6 +226,7 @@
 #include "threads/juce_HighResolutionTimer.cpp"
 #include "network/juce_URL.cpp"
 #include "network/juce_WebInputStream.cpp"
+#include "streams/juce_URLInputSource.cpp"
 
 //==============================================================================
 #if JUCE_UNIT_TESTS

modules/juce_core/juce_core.h

@@ -302,6 +302,7 @@ namespace juce
 #include "network/juce_Socket.h"
 #include "network/juce_URL.h"
 #include "network/juce_WebInputStream.h"
+#include "streams/juce_URLInputSource.h"
 #include "system/juce_SystemStats.h"
 #include "time/juce_PerformanceCounter.h"
 #include "unit_tests/juce_UnitTest.h"

modules/juce_core/streams/juce_URLInputSource.cpp

@@ -0,0 +1,59 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2017 - ROLI Ltd.
+
+   JUCE is an open source library subject to commercial or open-source
+   licensing.
+
+   The code included in this file is provided under the terms of the ISC license
+   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
+   To use, copy, modify, and/or distribute this software for any purpose with or
+   without fee is hereby granted provided that the above copyright notice and
+   this permission notice appear in all copies.
+
+   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+
+URLInputSource::URLInputSource (const URL& url)
+    : u (url)
+{
+}
+
+URLInputSource::URLInputSource (URL&& url)
+    : u (static_cast<URL&&> (url))
+{
+}
+
+URLInputSource::~URLInputSource()
+{
+}
+
+InputStream* URLInputSource::createInputStream()
+{
+    return u.createInputStream (false);
+}
+
+InputStream* URLInputSource::createInputStreamFor (const String& relatedItemPath)
+{
+    auto sub = u.getSubPath();
+    auto parent = sub.containsChar (L'/') ? sub.upToLastOccurrenceOf ("/", false, false)
+                                          : String ();
+
+    return u.withNewSubPath (parent).getChildURL (relatedItemPath).createInputStream (false);
+}
+
+int64 URLInputSource::hashCode() const
+{
+    return u.toString (true).hashCode64();
+}
+
+} // namespace juce

modules/juce_core/streams/juce_URLInputSource.h

@@ -0,0 +1,59 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2017 - ROLI Ltd.
+
+   JUCE is an open source library subject to commercial or open-source
+   licensing.
+
+   The code included in this file is provided under the terms of the ISC license
+   http://www.isc.org/downloads/software-support-policy/isc-license. Permission
+   To use, copy, modify, and/or distribute this software for any purpose with or
+   without fee is hereby granted provided that the above copyright notice and
+   this permission notice appear in all copies.
+
+   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
+   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
+   DISCLAIMED.
+
+  ==============================================================================
+*/
+
+namespace juce
+{
+
+//==============================================================================
+/**
+    A type of InputSource that represents a URL.
+
+    @see InputSource
+*/
+class JUCE_API  URLInputSource     : public InputSource
+{
+public:
+    //==============================================================================
+    /** Creates a URLInputSource for a url. */
+    URLInputSource (const URL& url);
+
+    /** Move constructor which will move the URL into the InputSource.
+
+        This is useful when the url carries any security credentials.
+    */
+    URLInputSource (URL&& url);
+
+    /** Destructor. */
+    ~URLInputSource();
+
+    InputStream* createInputStream();
+    InputStream* createInputStreamFor (const String& relatedItemPath);
+    int64 hashCode() const;
+
+private:
+    //==============================================================================
+    const URL u;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (URLInputSource)
+};
+
+}