/*
?*?Licensed?to?the?Apache?Software?Foundation?（ASF）?under?one?or?more
?*?contributor?license?agreements.??See?the?NOTICE?file?distributed?with
?*?this?work?for?additional?information?regarding?copyright?ownership.
?*?The?ASF?licenses?this?file?to?You?under?the?Apache?License?Version?2.0
?*?（the?“License“）;?you?may?not?use?this?file?except?in?compliance?with
?*?the?License.??You?may?obtain?a?copy?of?the?License?at
?*?
?*??????http://www.apache.org/licenses/LICENSE-2.0
?*?
?*?Unless?required?by?applicable?law?or?agreed?to?in?writing?software
?*?distributed?under?the?License?is?distributed?on?an?“AS?IS“?BASIS
?*?WITHOUT?WARRANTIES?OR?CONDITIONS?OF?ANY?KIND?either?express?or?implied.
?*?See?the?License?for?the?specific?language?governing?permissions?and
?*?limitations?under?the?License.
?*/

package?org.apache.jk.status;

import?java.io.BufferedOutputStream;
import?java.io.IOException;
import?java.io.InputStream;
import?java.io.InputStreamReader;
import?java.net.HttpURLConnection;
import?java.net.MalformedURLException;
import?java.net.ProtocolException;
import?java.net.URL;
import?java.net.URLConnection;

import?org.apache.catalina.ant.AbstractCatalinaTask;
import?org.apache.catalina.util.base64;
import?org.apache.tools.ant.BuildException;
import?org.apache.tools.ant.Project;

/**
?*?Ant?task?that?implements?mod_jk?1.2.20?result?message?string
?*?
?*?@author?Peter?Rossbach
?*?@version?$Revision:?802231?$
?*?@since?mod_jk?1.2.20
?*/
public?abstract?class?AbstractJkStatusTask?extends?AbstractCatalinaTask?{

	/**
?????*?Execute?the?requested?operation.
?????*?
?????*?@exception?BuildException
?????*????????????????if?an?error?occurs
?????*/
????public?void?execute（）?throws?BuildException?{

????????super.execute（）;
????????checkParameter（）;
????????StringBuffer?sb?=?createlink（）;
????????execute（sb.toString（）?null?null?-1）;

????}
????
????protected?abstract?void?checkParameter（）?;
????protected?abstract?StringBuffer?createlink（）?;
????	?
????/**
?????*?Execute?the?specified?command?based?on?the?configured?properties.
?????*?The?input?stream?will?be?closed?upon?completion?of?this?task?whether
?????*?it?was?executed?successfully?or?not.
?????*
?????*?@param?command?Command?to?be?executed
?????*?@param?istream?InputStream?to?include?in?an?HTTP?PUT?if?any
?????*?@param?contentType?Content?type?to?specify?for?the?input?if?any
?????*?@param?contentLength?Content?length?to?specify?for?the?input?if?any
?????*
?????*?@exception?BuildException?if?an?error?occurs
?????*/
????public?void?execute（String?command?InputStream?istream
????????????????????????String?contentType?int?contentLength）
????????throws?BuildException?{

????????InputStreamReader?reader?=?null;
????????try?{

????????????HttpURLConnection?hconn?=?send（command?istream?contentType?contentLength）;

????????????//?Process?the?response?message
????????????reader?=?new?InputStreamReader（hconn.getInputStream（）?“UTF-8“）;
????????????String?error?=?null;
????????????error?=?handleRe