private JPanel createHTTPSamplerPanel()

in src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/proxy/gui/ProxyControlGui.java [921:1023]
84 lines of code
2 McCabe index (conditional complexity)

    private JPanel createHTTPSamplerPanel() {
        DefaultComboBoxModel<String> m = new DefaultComboBoxModel<>();
        for (String s : HTTPSamplerFactory.getImplementations()){
            m.addElement(s);
        }
        m.addElement(USE_DEFAULT_HTTP_IMPL);
        samplerTypeName = new JComboBox<>(m);
        samplerTypeName.setSelectedItem(USE_DEFAULT_HTTP_IMPL);
        samplerTypeName.addItemListener(this);

        JLabel labelSamplerType = new JLabel(JMeterUtils.getResString("proxy_sampler_type")); // $NON-NLS-1$
        labelSamplerType.setLabelFor(samplerTypeName);

        samplerRedirectAutomatically = new JCheckBox(JMeterUtils.getResString("follow_redirects_auto")); // $NON-NLS-1$
        samplerRedirectAutomatically.setSelected(false);
        samplerRedirectAutomatically.addActionListener(this);
        samplerRedirectAutomatically.setActionCommand(ENABLE_RESTART);

        samplerFollowRedirects = new JCheckBox(JMeterUtils.getResString("follow_redirects")); // $NON-NLS-1$
        samplerFollowRedirects.setSelected(true);
        samplerFollowRedirects.addActionListener(this);
        samplerFollowRedirects.setActionCommand(ENABLE_RESTART);

        useKeepAlive = new JCheckBox(JMeterUtils.getResString("use_keepalive")); // $NON-NLS-1$
        useKeepAlive.setSelected(true);
        useKeepAlive.addActionListener(this);
        useKeepAlive.setActionCommand(ENABLE_RESTART);

        samplerDownloadImages = new JCheckBox(JMeterUtils.getResString("web_testing_retrieve_images")); // $NON-NLS-1$
        samplerDownloadImages.setSelected(false);
        samplerDownloadImages.addActionListener(this);
        samplerDownloadImages.setActionCommand(ENABLE_RESTART);

        DefaultComboBoxModel<String> choice = new DefaultComboBoxModel<>();
        choice.addElement(JMeterUtils.getResString("sample_name_prefix")); // $NON-NLS-1$
        choice.addElement(JMeterUtils.getResString("sample_name_transaction")); // $NON-NLS-1$
        choice.addElement(JMeterUtils.getResString("sample_name_suffix")); // $NON-NLS-1$
        choice.addElement(JMeterUtils.getResString("sample_name_formatter")); // $NON-NLS-1$
        httpSampleNamingMode = new JComboBox<>(choice);
        httpSampleNamingMode.setName(HTTP_SAMPLER_NAMING_MODE);
        httpSampleNamingMode.addItemListener(this);

        defaultEncoding = new JTextField(15);

        prefixHTTPSampleName = new JTextField(20);
        prefixHTTPSampleName.addKeyListener(this);
        prefixHTTPSampleName.setName(PREFIX_HTTP_SAMPLER_NAME);

        httpSampleNameFormat = new JTextField(20);
        httpSampleNameFormat.addKeyListener(this);
        httpSampleNameFormat.setName(HTTP_SAMPLER_NAME_FORMAT);

        proxyPauseHTTPSample = new JTextField(10);
        proxyPauseHTTPSample.addKeyListener(this);
        proxyPauseHTTPSample.setName(PROXY_PAUSE_HTTP_SAMPLER);
        proxyPauseHTTPSample.setActionCommand(ENABLE_RESTART);
        JLabel labelProxyPause = new JLabel(JMeterUtils.getResString("proxy_pause_http_sampler")); // $NON-NLS-1$
        labelProxyPause.setLabelFor(proxyPauseHTTPSample);

        JLabel labelDefaultEncoding = new JLabel(JMeterUtils.getResString("proxy_default_encoding")); // $NON-NLS-1$
        labelDefaultEncoding.setLabelFor(defaultEncoding);

        JPanel panel = new JPanel(new MigLayout("fillx, wrap 3"));
        panel.setBorder(BorderFactory.createTitledBorder(
                JMeterUtils.getResString("proxy_sampler_settings"))); // $NON-NLS-1$
        JLabel labelSampleTransactionName = new JLabel(JMeterUtils.getResString("sample_name_transaction"));
        labelSampleTransactionName.setLabelFor(prefixHTTPSampleName);
        panel.add(labelSampleTransactionName);
        panel.add(prefixHTTPSampleName, "growx, span");

        JLabel labelNamingScheme = new JLabel(JMeterUtils.getResString("sample_naming_scheme"));
        labelNamingScheme.setLabelFor(httpSampleNamingMode);
        panel.add(labelNamingScheme, "split 2");
        panel.add(httpSampleNamingMode);
        panel.add(httpSampleNameFormat, "growx, span");
        httpSampleNameFormat.setToolTipText(JMeterUtils.getResString("sample_naming_format_help"));

        JLabel labelSetCounter = new JLabel(JMeterUtils.getResString("sample_creator_counter_value"));
        counterValue = new JTextField(10);
        labelSetCounter.setLabelFor(counterValue);
        JButton buttonSetCounter = new JButton(JMeterUtils.getResString("sample_creator_set_counter"));
        buttonSetCounter.setActionCommand(SET_COUNTERS);
        buttonSetCounter.addActionListener(this);
        panel.add(labelSetCounter);
        panel.add(counterValue);
        panel.add(buttonSetCounter);

        panel.add(labelProxyPause);
        panel.add(proxyPauseHTTPSample, "growx, span");

        panel.add(labelDefaultEncoding);
        panel.add(defaultEncoding, "growx, span");

        panel.add(samplerDownloadImages);
        panel.add(samplerRedirectAutomatically);
        panel.add(samplerFollowRedirects);
        panel.add(useKeepAlive, "wrap");

        panel.add(labelSamplerType);
        panel.add(samplerTypeName, "growx, span");

        return panel;
    }