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POExec'ing CURL from Java - whats the proper way?
 

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  1. POExec'ing CURL from Java - whats the proper way?
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    <p>I am executing curl via the following code:</p> <pre><code> // execute process Process pr = null; Runtime run = Runtime.getRuntime(); try { pr = run.exec(cmdline.split(" ")); A ret = f.f(pr); pr.waitFor(); return ret; } catch (Exception ex) { throw new RuntimeException("Executing " + cmdline, ex); } finally { try { // close all those bloody streams pr.getErrorStream().close(); pr.getInputStream().close(); pr.getOutputStream().close(); } catch (IOException ex) { Log.get().exception(Log.Level.Error, "Closing stream: ", ex); } } </code></pre> <p>However, when I add the following into the exec string:</p> <p>I am building the curl string as I go, before I pass it to the method seen above:</p> <pre><code> if (userAgent.contains(" ")) { userAgent = " --user-agent '" + Exec.escapeShellString(userAgent) + "' "; } </code></pre> <p>With the extra single quotes I get this:</p> <pre><code>113.30.31.137 - - [03/Feb/2012:05:26:39 +0000] "GET / HTTP/1.1" 200 6781 "-" "'Mozilla/5.0(iPad;U;CPUOS3_2_1)'" </code></pre> <p>Without the single quotes, I get this:</p> <pre><code>107.21.172.36 - - [03/Feb/2012:05:33:38 +0000] "GET / HTTP/1.1" 200 6781 "-" "'Mozilla/5.0(iPad;U;CPUOS3_2_1)" </code></pre> <p>There is a leading single quote, but not a finishing one. I believe that there should be no single quotes.. anyhow, there is magic somewhere between java and curl...</p> <p>All I would like to do is pass a string like this: Opera/9.25 (Windows NT 6.0; U; en)</p> <p>and expect this:</p> <pre><code>107.21.172.36 - - [03/Feb/2012:05:33:38 +0000] "GET / HTTP/1.1" 200 6781 "-" "Opera/9.25 (Windows NT 6.0; U; en)" </code></pre> <p>Edit:</p> <p>The reason I am using curl is because curl seems to be the only option that retrieves the content on any response other than 200.301 or 302.</p>
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