<div class="cnblogs_code">
</span><span style="color: #0000ff;">if</span>(destination==<span style="color: #0000ff;">null</span>||destination.trim().equals(""<span style="color: #000000;">)){
</span><span style="color: #0000ff;">return</span> ""<span style="color: #000000;">;
}
String domain </span>= ""<span style="color: #000000;">;
URL url </span>=<span style="color: #0000ff;">null</span><span style="color: #000000;">;
</span><span style="color: #0000ff;">try</span><span style="color: #000000;"> {
url</span>= <span style="color: #0000ff;">new</span><span style="color: #000000;"> URL(destination);
domain </span>=url.getProtocol()+"://"+<span style="color: #000000;">url.getHost();
} </span><span style="color: #0000ff;">catch</span><span style="color: #000000;"> (MalformedURLException e) {
LOG.info(</span>"url=["+destination+"] not correct! "<span style="color: #000000;">);;
}
</span><span style="color: #0000ff;">return</span><span style="color: #000000;"> domain;
}</span></pre>
(编辑:李大同)
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