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package org.asteriskjava.pbx.agi.config;

import org.asteriskjava.fastagi.AgiChannel;
import org.asteriskjava.fastagi.AgiException;
import org.asteriskjava.fastagi.AgiRequest;
import org.asteriskjava.fastagi.BaseAgiScript;
import org.asteriskjava.util.Log;
import org.asteriskjava.util.LogFactory;

/**
 * Allows for auto configuration of the AGI script.
*
* Provides a getParameter(..) method which verifies the existence of the * parameter.
*
* Requires an implementing agi to provide it's name and parameter list via * getScriptName() and getParameters. * * @author rsutton */ abstract public class ServiceAgiScriptImpl extends BaseAgiScript implements ServiceAgiScript { static transient Log logger = LogFactory.getLog(ServiceAgiScriptImpl.class); protected AgiRequest request; protected AgiChannel channel; public synchronized void service(AgiRequest request, AgiChannel channel) throws AgiException { this.request = request; this.channel = channel; service(); } /** * field variables request and channel will be set prior to calling * service() AgiRequest request AgiChannel channel * * @throws AgiException */ public abstract void service() throws AgiException; protected String required(String name, String parameter) throws AgiException { if (parameter == null || parameter.length() == 0) throw new AgiException("Required parameter " + name + " missing."); return parameter; } protected String getParameter(String name) throws AgiException { return required(name, request.getParameter(name)); } public abstract String getScriptName(); public abstract String[] getParameters(); }




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