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JUCE/examples/Demo/Source/Demos/NetworkingDemo.cpp

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3.7 KiB
C++

/*
==============================================================================
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.
By using JUCE, you agree to the terms of both the JUCE 5 End-User License
Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
27th April 2017).
End User License Agreement: www.juce.com/juce-5-licence
Privacy Policy: www.juce.com/juce-5-privacy-policy
Or: You may also use this code under the terms of the GPL v3 (see
www.gnu.org/licenses).
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
#include "../JuceDemoHeader.h"
//==============================================================================
class NetworkingDemo : public Component,
private Thread
{
public:
NetworkingDemo()
: Thread ("Network Demo"),
resultsBox (resultsDocument, nullptr)
{
setOpaque (true);
addAndMakeVisible (urlBox);
urlBox.setText ("https://www.google.com");
urlBox.onReturnKey = [this]() { fetchButton.triggerClick(); };
addAndMakeVisible (fetchButton);
fetchButton.setButtonText ("Download URL Contents");
fetchButton.onClick = [this]() { startThread(); };
addAndMakeVisible (resultsBox);
}
void paint (Graphics& g) override
{
g.fillAll (getUIColourIfAvailable (LookAndFeel_V4::ColourScheme::UIColour::windowBackground));
}
void resized() override
{
auto area = getLocalBounds();
{
auto 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 lookAndFeelChanged() override
{
urlBox.applyFontToAllText (urlBox.getFont());
}
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");