Throw IllegalArgumentException when url is null in LinkHandlerFactory
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@ -43,6 +43,7 @@ public abstract class LinkHandlerFactory {
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///////////////////////////////////
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public LinkHandler fromUrl(String url) throws ParsingException {
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if (url == null) throw new IllegalArgumentException("url can not be null");
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final String baseUrl = Utils.getBaseUrl(url);
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return fromUrl(url, baseUrl);
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}
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