Example usage for java.nio.channels.spi SelectorProvider openSelector

Introduction

In this page you can find the example usage for java.nio.channels.spi SelectorProvider openSelector.

Prototype

public abstract AbstractSelector openSelector() throws IOException;

Source Link

Document

Opens a selector.

Usage

From source file:SystemUtils.java

public static final Selector openSelector() throws IOException {
    Selector result = null;/*from  ww w  . j a v  a2  s  . c  om*/
    // check if it is linux os
    if (SystemUtils.isLinuxPlatform()) {
        try {
            Class<?> providerClazz = Class.forName("sun.nio.ch.EPollSelectorProvider");
            if (providerClazz != null) {
                try {
                    Method method = providerClazz.getMethod("provider");
                    if (method != null) {
                        SelectorProvider selectorProvider = (SelectorProvider) method.invoke(null);
                        if (selectorProvider != null) {
                            result = selectorProvider.openSelector();
                        }
                    }
                } catch (Exception e) {
                    // ignore
                }
            }
        } catch (Exception e) {
            // ignore
        }
    }
    if (result == null) {
        result = Selector.open();
    }
    return result;

}

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