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JUCE/examples/Demo/Source/Demos/NetworkingDemo.cpp
2015-07-22 15:59:34 +01:00

122 lines
3.8 KiB
C++

/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2015 - ROLI Ltd.
Permission is granted to use this software under the terms of either:
a) the GPL v2 (or any later version)
b) the Affero GPL v3
Details of these licenses can be found at: www.gnu.org/licenses
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
------------------------------------------------------------------------------
To release a closed-source product which uses JUCE, commercial licenses are
available: visit www.juce.com for more information.
==============================================================================
*/
#include "../JuceDemoHeader.h"
//==============================================================================
class NetworkingDemo : public Component,
private Button::Listener,
private Thread
{
public:
NetworkingDemo()
: Thread ("Network Demo"),
resultsBox (resultsDocument, nullptr)
{
setOpaque (true);
addAndMakeVisible (urlBox);
urlBox.setText ("http://www.google.com");
addAndMakeVisible (fetchButton);
fetchButton.setButtonText ("Download URL Contents");
fetchButton.addListener (this);
addAndMakeVisible (resultsBox);
}
~NetworkingDemo()
{
fetchButton.removeListener (this);
}
void paint (Graphics& g) override
{
fillTiledBackground (g);
}
void resized() override
{
Rectangle<int> area (getLocalBounds());
{
Rectangle<int> topArea (area.removeFromTop (40));
fetchButton.setBounds (topArea.removeFromRight (180).reduced (8));
urlBox.setBounds (topArea.reduced (8));
}
resultsBox.setBounds (area.reduced (8));
}
void run() override
{
String result (getResultText (urlBox.getText()));
MessageManagerLock mml (this);
if (mml.lockWasGained())
resultsBox.loadContent (result);
}
String getResultText (const URL& url)
{
StringPairArray responseHeaders;
int statusCode = 0;
ScopedPointer<InputStream> stream (url.createInputStream (false, nullptr, nullptr, String(),
10000, // timeout in millisecs
&responseHeaders, &statusCode));
if (stream != nullptr)
return (statusCode != 0 ? "Status code: " + String (statusCode) + newLine : String())
+ "Response headers: " + newLine
+ responseHeaders.getDescription() + newLine
+ "----------------------------------------------------" + newLine
+ stream->readEntireStreamAsString();
if (statusCode != 0)
return "Failed to connect, status code = " + String (statusCode);
return "Failed to connect!";
}
private:
TextEditor urlBox;
TextButton fetchButton;
CodeDocument resultsDocument;
CodeEditorComponent resultsBox;
void buttonClicked (Button* button) override
{
if (button == &fetchButton)
startThread();
}
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (NetworkingDemo)
};
// This static object will register this demo type in a global list of demos..
static JuceDemoType<NetworkingDemo> demo ("40 HTTP");