com.ruiyun.jvppeteer.util

类 Helper

java.lang.Object

com.ruiyun.jvppeteer.util.Helper

public class Helper
extends Object

一些公共方法

构造器概要

构造器

构造器和说明
Helper()

方法概要

限定符和类型	方法和说明
static <T> BrowserListenerWrapper<T>	addEventListener(EventEmitter emitter, String eventName, DefaultBrowserListener<T> handler)
static void	chmod(String path, String perms)
static ExecutorService	commonExecutor()
static CompletionService	completionService()
static void	copyProperties(Object src, Object dest)
static String	createProtocolError(com.fasterxml.jackson.databind.JsonNode node)
static String	evaluationString(String fun, PageEvaluateType type, Object... args)
static Set<DefaultBrowserListener>	getConcurrentSet()
static String	getExceptionMessage(ExceptionDetails exceptionDetails)
static boolean	isFunction(String pageFunction) 判断js字符串是否是一个函数
static boolean	isLinux() Returns true if the operating system is a form of Linux.
static boolean	isMac() Returns true if the operating system is a form of Mac OS.
static boolean	isNumber(String s)
static boolean	isString(Object value)
static boolean	isWin64() 是否是win64
static boolean	isWindows() Returns true if the operating system is a form of Windows.
static String	join(String root, String... args)
static String	paltform()
static Object	readProtocolStream(CDPSession client, String handler, String path, boolean isSync) read stream from protocol : example for tracing file
static void	releaseObject(CDPSession client, RemoteObject remoteObject, boolean isBlock)
static void	removeEventListeners(List<BrowserListenerWrapper> eventListeners)
static Object	valueFromRemoteObject(RemoteObject remoteObject)
static Object	waitForEvent(EventEmitter eventEmitter, String eventName, Predicate predicate, int timeout, String abortPromise)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

Helper

public Helper()

方法详细资料

createProtocolError

public static String createProtocolError(com.fasterxml.jackson.databind.JsonNode node)

isWindows

public static boolean isWindows()

Returns true if the operating system is a form of Windows.

返回:

windows return true

isMac

public static boolean isMac()

Returns true if the operating system is a form of Mac OS.

返回:

mac return true

isLinux

public static boolean isLinux()

Returns true if the operating system is a form of Linux.

返回:

linux return true

isWin64

public static final boolean isWin64()

是否是win64

返回:

true is win64

paltform

public static final String paltform()

chmod

public static final void chmod(String path,
                               String perms)
                        throws IOException

抛出:

IOException

join

public static final String join(String root,
                                String... args)

readProtocolStream

public static final Object readProtocolStream(CDPSession client,
                                              String handler,
                                              String path,
                                              boolean isSync)
                                       throws IOException

read stream from protocol : example for tracing file

参数:

client - CDPSession

handler - 发送给websocket的参数

path - 文件存放的路径

isSync - 是否是在新的线程中执行

抛出:

IOException - 操作文件的异常

getExceptionMessage

public static String getExceptionMessage(ExceptionDetails exceptionDetails)

getConcurrentSet

public static final Set<DefaultBrowserListener> getConcurrentSet()

addEventListener

public static final <T> BrowserListenerWrapper<T> addEventListener(EventEmitter emitter,
                                                                   String eventName,
                                                                   DefaultBrowserListener<T> handler)

removeEventListeners

public static final void removeEventListeners(List<BrowserListenerWrapper> eventListeners)

isString

public static final boolean isString(Object value)

isNumber

public static final boolean isNumber(String s)

valueFromRemoteObject

public static Object valueFromRemoteObject(RemoteObject remoteObject)

releaseObject

public static void releaseObject(CDPSession client,
                                 RemoteObject remoteObject,
                                 boolean isBlock)

copyProperties

public static final void copyProperties(Object src,
                                        Object dest)
                                 throws IntrospectionException,
                                        InvocationTargetException,
                                        IllegalAccessException

抛出:

IntrospectionException

InvocationTargetException

IllegalAccessException

waitForEvent

public static Object waitForEvent(EventEmitter eventEmitter,
                                  String eventName,
                                  Predicate predicate,
                                  int timeout,
                                  String abortPromise)
                           throws InterruptedException

抛出:

InterruptedException

evaluationString

public static final String evaluationString(String fun,
                                            PageEvaluateType type,
                                            Object... args)

commonExecutor

public static final ExecutorService commonExecutor()

completionService

public static final CompletionService completionService()

isFunction

public static final boolean isFunction(String pageFunction)

判断js字符串是否是一个函数

参数:

pageFunction -