脚本实现类根据你的 Java 版本预先指定在以下位置:
Java5 - js-engine.jar, jython-engine.jar, groovy-engine.jar Java6 - resources.jar
* Java 实现类
<bean id="web.handler" class="org.red5.server.webapp.oflaDemo.MultiThreadedApplicationAdapter" />
* Javascript 实现
<bean id="web.handler" class="org.red5.server.script.rhino.RhinoScriptFactory"> <constructor-arg index="0" value="classpath:applications/main.js"/> <constructor-arg index="1"> <list> <value>org.red5.server.api.IScopeHandler</value> <value>org.red5.server.adapter.IApplication</value> </list> </constructor-arg> <constructor-arg index="2"> <value>org.red5.server.adapter.ApplicationAdapter</value> </constructor-arg> </bean>
* Ruby 实现
<bean id="web.handler" class="org.springframework.scripting.jruby.JRubyScriptFactory"> <constructor-arg index="0" value="classpath:applications/main.rb"/> <constructor-arg index="1"> <list> <value>org.red5.server.api.IScopeHandler</value> <value>org.red5.server.adapter.IApplication</value> </list> </constructor-arg> </bean>
* Groovy 实现
<bean id="web.handler" class="org.red5.server.script.groovy.GroovyScriptFactory"> <constructor-arg index="0" value="classpath:applications/main.groovy"/> <constructor-arg index="1"> <list> <value>org.red5.server.api.IScopeHandler</value> <value>org.red5.server.adapter.IApplication</value> </list> </constructor-arg> </bean>
* Python 实现
Red5 Open Source Flash Server (0.7.1) 51 <bean id="web.handler" class="org.red5.server.script.jython.JythonScriptFactory"> <constructor-arg index="0" value="classpath:applications/main.py"/> <constructor-arg index="1"> <list> <value>org.red5.server.api.IScopeHandler</value> <value>org.red5.server.adapter.IApplication</value> Scripting Implementations </list> </constructor-arg> <constructor-arg index="2"> <list> <value>One</value> <value>2</value> <value>III</value> </list> </constructor-arg> </bean>
i. JRuby 应用适配器实现
# JRuby require 'java' module RedFive include_package "org.red5.server.api" include_package "org.red5.server.api.stream" include_package "org.red5.server.api.stream.support" include_package "org.red5.server.adapter" include_package "org.red5.server.stream" end # # application.rb - a translation into Ruby of the ofla demo application, a red5 example. # # @author Paul Gregoire # class Application < RedFive::ApplicationAdapter attr_reader :appScope, :serverStream attr_writer :appScope, :serverStream def initialize #call super to init the superclass, in this case a Java class super puts "Initializing ruby application" end def appStart(app) puts "Ruby appStart" @appScope = app return true end def appConnect(conn, params) puts "Ruby appConnect" measureBandwidth(conn) puts "Ruby appConnect 2" if conn.instance_of?(RedFive::IStreamCapableConnection) puts "Got stream capable connection" sbc = RedFive::SimpleBandwidthConfigure.new sbc.setMaxBurst(8388608) sbc.setBurst(8388608) sbc.setOverallBandwidth(8388608) conn.setBandwidthConfigure(sbc) end return super end def appDisconnect(conn) puts "Ruby appDisconnect" if appScope == conn.getScope && @serverStream != nil @serverStream.close end super end def toString return "Ruby toString" end def setScriptContext(scriptContext) puts "Ruby application setScriptContext" end def method_missing(m, *args) super unless @value.respond_to?(m) return @value.send(m, *args) end end
i. 由脚本执行简单的 Java 接口
package org.red5.server.webapp.oflaDemo; import java.util.Map; public interface IDemoService { /** * Getter for property 'listOfAvailableFLVs'. * * @return Value for property 'listOfAvailableFLVs'. */ public Map getListOfAvailableFLVs(); public Map getListOfAvailableFLVs(String string); }
ii. Spring bean 关于脚本实现的接口的定义
<bean id="demoService.service" class="org.springframework.scripting.jruby.JRubyScriptFactory"> <constructor-arg index="0" value="classpath:applications/demoservice.rb"/> <constructor-arg index="1"> <list> <value>org.red5.server.webapp.oflaDemo.IDemoService</value> </list> </constructor-arg> </bean>
iii. JRuby 脚本实现接口
# JRuby - style require 'java' module RedFive include_package "org.springframework.core.io" include_package "org.red5.server.webapp.oflaDemo" end include_class "org.red5.server.api.Red5" include_class "java.util.HashMap" # # demoservice.rb - a translation into Ruby of the ofla demo application, a red5 example. # # @author Paul Gregoire # class DemoService < RedFive::DemoServiceImpl attr_reader :filesMap attr_writer :filesMap def initialize puts "Initializing ruby demoservice" super @filesMap = HashMap.new end def getListOfAvailableFLVs puts "Getting the FLV files" begin dirname = File.expand_path('webapps/oflaDemo/streams').to_s Dir.open(dirname).entries.grep(/\.flv$/) do |dir| dir.each do |flvName| fileInfo = HashMap.new stats = File.stat(dirname+'/'+flvName) fileInfo["name"] = flvName fileInfo["lastModified"] = stats.mtime fileInfo["size"] = stats.size || 0 @filesMap[flvName] = fileInfo print 'FLV Name:', flvName print 'Last modified date:', stats.mtime print 'Size:', stats.size || 0 print '-------' end end rescue Exception => ex puts "Error in getListOfAvailableFLVs #{errorType} \n" puts "Exception: #{ex} \n" puts caller.join("\n"); end return filesMap end def formatDate(date) return date.strftime("%d/%m/%Y %I:%M:%S") end def method_missing(m, *args) super unless @value.respond_to?(m) return @value.send(m, *args) end end
iv. Java 应用实现接口,基于 Ruby 代码(在不需要使用脚本时的代码)
package org.red5.server.webapp.oflaDemo; import java.io.File; import java.io.IOException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import java.util.Locale; import java.util.Map; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.red5.server.api.IScope; import org.red5.server.api.Red5; import org.springframework.core.io.Resource; public class DemoService { protected static Log log = LogFactory.getLog(DemoService.class.getName()); /** * Getter for property 'listOfAvailableFLVs'. Scripting Implementations * * @return Value for property 'listOfAvailableFLVs'. */ public Map getListOfAvailableFLVs() { IScope scope = Red5.getConnectionLocal().getScope(); Map<String, Map> filesMap = new HashMap<String, Map>(); Map<String, Object> fileInfo; try { log.debug("getting the FLV files"); Resource[] flvs = scope.getResources("streams/*.flv"); if (flvs != null) { for (Resource flv : flvs) { File file = flv.getFile(); Date lastModifiedDate = new Date(file.lastModified()); String lastModified = formatDate(lastModifiedDate); String flvName = flv.getFile().getName(); String flvBytes = Long.toString(file.length()); if (log.isDebugEnabled()) { log.debug("flvName: " + flvName); log.debug("lastModified date: " + lastModified); log.debug("flvBytes: " + flvBytes); log.debug("-------"); } fileInfo = new HashMap<String, Object>(); fileInfo.put("name", flvName); fileInfo.put("lastModified", lastModified); fileInfo.put("size", flvBytes); filesMap.put(flvName, fileInfo); } } Resource[] mp3s = scope.getResources("streams/*.mp3"); if (mp3s != null) { for (Resource mp3 : mp3s) { File file = mp3.getFile(); Date lastModifiedDate = new Date(file.lastModified()); String lastModified = formatDate(lastModifiedDate); String flvName = mp3.getFile().getName(); String flvBytes = Long.toString(file.length()); if (log.isDebugEnabled()) { log.debug("flvName: " + flvName); log.debug("lastModified date: " + lastModified); log.debug("flvBytes: " + flvBytes); log.debug("-------"); } fileInfo = new HashMap<String, Object>(); fileInfo.put("name", flvName); fileInfo.put("lastModified", lastModified); fileInfo.put("size", flvBytes); filesMap.put(flvName, fileInfo); } } } catch (IOException e) { log.error(e); } return filesMap; } private String formatDate(Date date) { SimpleDateFormat formatter; String pattern = "dd/MM/yy H:mm:ss"; Locale locale = new Locale("en", "US"); formatter = new SimpleDateFormat(pattern, locale); return formatter.format(date); } }
a.Flex AS3 方法调用服务
[Bindable] public var videoList:ArrayCollection; public function catchVideos():void{ // call server-side method // create a responder and set it to getMediaList var nc_responder:Responder = new Responder(getMediaList, null); // call the server side method to get list of FLV's nc.call("demoService.getListOfAvailableFLVs", nc_responder); } public function getMediaList(list:Object):void{ // this is the result of the server side getListOfAvailableFLVs var mediaList:Array = new Array(); for(var items:String in list){ mediaList.push({label:items, size:list[items].size, dateModified:list[items].lastModifi } // videoList is bindable and the datagrid is set to use this for it's dataprovider // wrap it in an ArrayCollection first videoList = new ArrayCollection(mediaList); }