first commit

src/main/java/com/baidu/ueditor/ActionEnter.java

@@ -0,0 +1,127 @@
+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;
+		
+	}
+	
+}