Example usage for java.lang System clearProperty

Introduction

In this page you can find the example usage for java.lang System clearProperty.

Prototype

public static String clearProperty(String key)

Source Link

Document

Removes the system property indicated by the specified key.

Usage

From source file:Main.java

public static void main(String[] args) {

    String s = System.clearProperty("java.class.path");

    System.setProperty("user.dir", "C:/java2s.com");

    System.out.println(System.getProperty("user.dir"));
}

From source file:MainClass.java

public static void main(String[] a) {
    String oldValue = System.clearProperty("java.class.path");
    System.setProperty("user.dir", "C:/MyProg");
    System.out.println(System.getProperty("user.dir"));
}

From source file:Main.java

public static void main(String[] args) {
    String key = "user.dir";
    System.clearProperty(key);
}

From source file:Main.java

@SuppressLint("NewApi")
@SuppressWarnings("all")
private static boolean setProxyKK(WebView webView, String host, int port, String applicationClassName) {
    Context appContext = webView.getContext().getApplicationContext();
    if (null == host) {
        System.clearProperty("http.proxyHost");
        System.clearProperty("http.proxyPort");
        System.clearProperty("https.proxyHost");
        System.clearProperty("https.proxyPort");
    } else {// w  ww  . j a  v a2s  . com
        System.setProperty("http.proxyHost", host);
        System.setProperty("http.proxyPort", port + "");
        System.setProperty("https.proxyHost", host);
        System.setProperty("https.proxyPort", port + "");
    }
    try {
        Class applictionCls = Class.forName(applicationClassName);
        Field loadedApkField = applictionCls.getField("mLoadedApk");
        loadedApkField.setAccessible(true);
        Object loadedApk = loadedApkField.get(appContext);
        Class loadedApkCls = Class.forName("android.app.LoadedApk");
        Field receiversField = loadedApkCls.getDeclaredField("mReceivers");
        receiversField.setAccessible(true);
        Map receivers = (Map) receiversField.get(loadedApk);
        for (Object receiverMap : receivers.values()) {
            for (Object rec : ((Map) receiverMap).keySet()) {
                Class clazz = rec.getClass();
                if (clazz.getName().contains("ProxyChangeListener")) {
                    Method onReceiveMethod = clazz.getDeclaredMethod("onReceive", Context.class, Intent.class);
                    Intent intent = new Intent(Proxy.PROXY_CHANGE_ACTION);

                    /*********** optional, may be need in future *************/
                    final String CLASS_NAME = "android.net.ProxyProperties";
                    Class cls = Class.forName(CLASS_NAME);
                    Constructor constructor = cls.getConstructor(String.class, Integer.TYPE, String.class);
                    constructor.setAccessible(true);
                    Object proxyProperties = constructor.newInstance(host, port, null);
                    intent.putExtra("proxy", (Parcelable) proxyProperties);
                    /*********** optional, may be need in future *************/

                    onReceiveMethod.invoke(rec, appContext, intent);
                }
            }
        }
        Log.d(LOG_TAG, "Setting proxy with >= 4.4 API successful!");
        return true;
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    } catch (NoSuchFieldException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    } catch (IllegalArgumentException e) {
        e.printStackTrace();
    } catch (NoSuchMethodException e) {
        e.printStackTrace();
    } catch (InvocationTargetException e) {
        e.printStackTrace();
    } catch (InstantiationException e) {
        e.printStackTrace();
    }
    return false;
}

From source file:org.wgrus.ServletConfigurationTests.java

@AfterClass
public static void close() {
    System.clearProperty("spring.profiles.default");
}

From source file:Main.java

private static XPathFactory getXPathFactory() throws XPathFactoryConfigurationException {
    if (_xPathFactory == null) {
        String magicValue = System
                .getProperty("javax.xml.xpath.XPathFactory:http://java.sun.com/jaxp/xpath/dom");
        System.setProperty("javax.xml.xpath.XPathFactory:http://java.sun.com/jaxp/xpath/dom",
                "net.sf.saxon.xpath.XPathFactoryImpl");
        //          System.setProperty("javax.xml.xpath.XPathFactory:http://java.sun.com/jaxp/xpath/dom","org.apache.xpath.jaxp.XPathFactoryImpl");
        //          System.setProperty("jaxp.debug","yes");
        _xPathFactory = XPathFactory.newInstance(XPathConstants.DOM_OBJECT_MODEL);
        if (magicValue == null)
            System.clearProperty("javax.xml.xpath.XPathFactory:http://java.sun.com/jaxp/xpath/dom");
        else/*from   ww  w .j a v a2s  .  c  o  m*/
            System.setProperty("javax.xml.xpath.XPathFactory:http://java.sun.com/jaxp/xpath/dom", magicValue);
    }
    return _xPathFactory;
}

From source file:org.artificer.test.client.AbstractClientTest.java

@AfterClass
public static void resetAuditing() {
    System.clearProperty(ArtificerConstants.ARTIFICER_CONFIG_AUDITING);
}

From source file:org.apache.logging.log4j.core.util.ClockFactoryTest.java

public static void resetClock(final Class<?> clazz) throws IllegalAccessException {
    System.clearProperty(ClockFactory.PROPERTY_NAME);
    final Field field = FieldUtils.getField(clazz, "CLOCK", true);
    FieldUtils.removeFinalModifier(field, true);
    FieldUtils.writeStaticField(field, ClockFactory.getClock(), false);
}

From source file:org.constretto.spring.configuration.ConstrettoNameSpaceTest.java

@BeforeClass
public static void setupTags() {
    System.setProperty(DefaultConfigurationContextResolver.TAGS, "test");
    System.clearProperty("key7");
}

From source file:com.redhat.victims.mock.MockEnvironment.java

public static void tearDown() {
    MockService.stop();/*  w ww . j  a  va 2s. c  o m*/
    System.clearProperty(VictimsConfig.Key.DB_PURGE);
    System.clearProperty(VictimsConfig.Key.URI);
    System.clearProperty(VictimsConfig.Key.HOME);
    deleteCache();
}