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Java

Read URL Connection result

/* 
The method "openStream()" is the responsible of 
opening a connection with the URL and returning a result to read.
*/

private String readURL(URL url) throws IOException {
   ByteArrayOutputStream baos = new ByteArrayOutputStream();
   InputStream is = null;
   try {
      is = url.openStream();
   } catch (Exception e) {
      e.printStackTrace();
   }
   int r;
   while ((r = is.read()) != -1) {
      baos.write(r);
   }
   return new String(baos.toByteArray());
}
https://snipt.net/embed/73b78b7a6b0e122b9158caf2a058fa8f/
/raw/73b78b7a6b0e122b9158caf2a058fa8f/
73b78b7a6b0e122b9158caf2a058fa8f
java
Java
19
2019-05-25T09:09:28
True
False
False
Oct 05, 2012 at 01:20 PM
/api/public/snipt/48136/
read-url-connection-result
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a> <a href="#L-15">15</a> <a href="#L-16">16</a> <a href="#L-17">17</a> <a href="#L-18">18</a> <a href="#L-19">19</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span id="L-1"><a name="L-1"></a><span class="cm">/* </span> </span><span id="L-2"><a name="L-2"></a><span class="cm">The method &quot;openStream()&quot; is the responsible of </span> </span><span id="L-3"><a name="L-3"></a><span class="cm">opening a connection with the URL and returning a result to read.</span> </span><span id="L-4"><a name="L-4"></a><span class="cm">*/</span> </span><span id="L-5"><a name="L-5"></a> </span><span id="L-6"><a name="L-6"></a><span class="kd">private</span> <span class="n">String</span> <span class="nf">readURL</span><span class="o">(</span><span class="n">URL</span> <span class="n">url</span><span class="o">)</span> <span class="kd">throws</span> <span class="n">IOException</span> <span class="o">{</span> </span><span id="L-7"><a name="L-7"></a> <span class="n">ByteArrayOutputStream</span> <span class="n">baos</span> <span class="o">=</span> <span class="k">new</span> <span class="n">ByteArrayOutputStream</span><span class="o">();</span> </span><span id="L-8"><a name="L-8"></a> <span class="n">InputStream</span> <span class="n">is</span> <span class="o">=</span> <span class="kc">null</span><span class="o">;</span> </span><span id="L-9"><a name="L-9"></a> <span class="k">try</span> <span class="o">{</span> </span><span id="L-10"><a name="L-10"></a> <span class="n">is</span> <span class="o">=</span> <span class="n">url</span><span class="o">.</span><span class="na">openStream</span><span class="o">();</span> </span><span id="L-11"><a name="L-11"></a> <span class="o">}</span> <span class="k">catch</span> <span class="o">(</span><span class="n">Exception</span> <span class="n">e</span><span class="o">)</span> <span class="o">{</span> </span><span id="L-12"><a name="L-12"></a> <span class="n">e</span><span class="o">.</span><span class="na">printStackTrace</span><span class="o">();</span> </span><span id="L-13"><a name="L-13"></a> <span class="o">}</span> </span><span id="L-14"><a name="L-14"></a> <span class="kt">int</span> <span class="n">r</span><span class="o">;</span> </span><span id="L-15"><a name="L-15"></a> <span class="k">while</span> <span class="o">((</span><span class="n">r</span> <span class="o">=</span> <span class="n">is</span><span class="o">.</span><span class="na">read</span><span class="o">())</span> <span class="o">!=</span> <span class="o">-</span><span class="mi">1</span><span class="o">)</span> <span class="o">{</span> </span><span id="L-16"><a name="L-16"></a> <span class="n">baos</span><span class="o">.</span><span class="na">write</span><span class="o">(</span><span class="n">r</span><span class="o">);</span> </span><span id="L-17"><a name="L-17"></a> <span class="o">}</span> </span><span id="L-18"><a name="L-18"></a> <span class="k">return</span> <span class="k">new</span> <span class="n">String</span><span class="o">(</span><span class="n">baos</span><span class="o">.</span><span class="na">toByteArray</span><span class="o">());</span> </span><span id="L-19"><a name="L-19"></a><span class="o">}</span> </span></pre></div> </td></tr></table>
"HTTP Response", Java, URL