public void setExtensionList(ArrayList extensionList) {
		this.extensionList = extensionList;
		
		// Check extensionList for wildcard character.
		anyExtensionWillDo = false;
		for (int i = 0; i < extensionList.size(); i++) {
			String extension = (String) extensionList.get(i);
			if (extension.equals(WILDCARD_CHARACTER)) {
				anyExtensionWillDo = true;
				break;
			}
		}		
	}