package com.baidu.ueditor;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import com.baidu.ueditor.define.ActionMap;
import com.baidu.ueditor.define.AppInfo;
import com.baidu.ueditor.define.BaseState;
import com.baidu.ueditor.define.State;
import com.baidu.ueditor.hunter.FileManager;
import com.baidu.ueditor.hunter.ImageHunter;
import com.baidu.ueditor.upload.Uploader;
public class ActionEnter {
private HttpServletRequest request = null;
private String rootPath = null;
private String contextPath = null;
private String actionType = null;
private ConfigManager configManager = null;
public ActionEnter ( HttpServletRequest request, String rootPath ) {
this.request = request;
this.rootPath = rootPath;
this.actionType = request.getParameter( "action" );
this.contextPath = request.getContextPath();
this.configManager = ConfigManager.getInstance( this.rootPath, this.contextPath, request.getRequestURI() );
}
public String exec () {
String callbackName = this.request.getParameter("callback");
if ( callbackName != null ) {
if ( !validCallbackName( callbackName ) ) {
return new BaseState( false, AppInfo.ILLEGAL ).toJSONString();
}
return callbackName+"("+this.invoke()+");";
} else {
return this.invoke();
}
}
public String invoke() {
if ( actionType == null || !ActionMap.mapping.containsKey( actionType ) ) {
return new BaseState( false, AppInfo.INVALID_ACTION ).toJSONString();
}
if ( this.configManager == null || !this.configManager.valid() ) {
return new BaseState( false, AppInfo.CONFIG_ERROR ).toJSONString();
}
State state = null;
int actionCode = ActionMap.getType( this.actionType );
Map<String, Object> conf = null;
switch ( actionCode ) {
case ActionMap.CONFIG:
return this.configManager.getAllConfig().toString();
case ActionMap.UPLOAD_IMAGE:
case ActionMap.UPLOAD_SCRAWL:
case ActionMap.UPLOAD_VIDEO:
case ActionMap.UPLOAD_FILE:
conf = this.configManager.getConfig( actionCode );
state = new Uploader( request, conf ).doExec();
break;
case ActionMap.CATCH_IMAGE:
conf = configManager.getConfig( actionCode );
String[] list = this.request.getParameterValues( (String)conf.get( "fieldName" ) );
state = new ImageHunter( conf ).capture( list );
break;
case ActionMap.LIST_IMAGE:
case ActionMap.LIST_FILE:
conf = configManager.getConfig( actionCode );
int start = this.getStartIndex();
state = new FileManager( conf ).listFile( start );
break;
}
return state.toJSONString();
}
public int getStartIndex () {
String start = this.request.getParameter( "start" );
try {
return Integer.parseInt( start );
} catch ( Exception e ) {
return 0;
}
}
/**
* callback参数验证
*/
public boolean validCallbackName ( String name ) {
if ( name.matches( "^[a-zA-Z_]+[\\w0-9_]*$" ) ) {
return true;
}
return false;
}
}