LinkGrabberManager.java

package polly.linkexpander.core;

import java.util.LinkedList;
import java.util.List;
import java.util.regex.Matcher;

import de.skuzzle.polly.sdk.eventlistener.MessageEvent;

import polly.linkexpander.core.grabbers.LinkGrabber;


public class LinkGrabberManager {

    private List<LinkGrabber> grabbers;
    private boolean enabled;
    
    
    
    public LinkGrabberManager() {
        this.grabbers = new LinkedList<LinkGrabber>();
        this.enabled = true;
    }
    
    
    
    public void addLinkGrabber(LinkGrabber grabber) {
        this.grabbers.add(grabber);
    }
    
    
    
    public boolean isEnabled() {
        return this.enabled;
    }
    
    
    
    public void setEnabled(boolean enabled) {
        this.enabled = enabled;
    }
    
    
    
    public void processMessageEvent(MessageEvent e) {
        if (!this.enabled) {
            return;
        }
        
        for (LinkGrabber grabber : this.grabbers) {
            final Matcher m = grabber.getLinkPattern().matcher(e.getMessage());
            if (m.find()) {
                final String r = grabber.processMatch(e, m);
                if (r != null) {
                    e.getSource().sendMessage(e.getChannel(), r + 
                        " (" + grabber.getLink(e.getMessage(), m) + ")", this); //$NON-NLS-1$ //$NON-NLS-2$
                }
            }
        }
    }
}