Command.java

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package jada.ngeditor.controller;

/**
 * 
 * @author cris
 */
public interface Command {
    
    void perform() throws Exception;
    /**
     * A command will return false if in any case it can't perform his operation 
     * with its current data.
     * @return 
     */
    boolean isActive();
    
    public String getName();
    
}