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java - HttpClient 重定向到带有空格抛出异常的 URL

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我正在访问一个 URL,该 URL 将我重定向到其中包含空格的 URL。 (使用 HttpClient 4.x)如何防止它引发错误(将空格替换为 %20 而不是 +)

08-06 02:45:56.486: WARN/System.err(655): org.apache.http.client.ClientProtocolException
08-06 02:45:56.493: WARN/System.err(655): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:557)
08-06 02:45:56.534: WARN/System.err(655): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:509)
08-06 02:45:56.603: WARN/System.err(655): at com.romcessed.romsearch.searchproviders.DopeRomsConnector$DownloadROMTask.doInBackground(DopeRomsConnector.java:636)
08-06 02:45:56.623: WARN/System.err(655): at com.romcessed.romsearch.searchproviders.DopeRomsConnector$DownloadROMTask.doInBackground(DopeRomsConnector.java:1)
08-06 02:45:56.643: WARN/System.err(655): at android.os.AsyncTask$2.call(AsyncTask.java:185)
08-06 02:45:56.663: WARN/System.err(655): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
08-06 02:45:56.683: WARN/System.err(655): at java.util.concurrent.FutureTask.run(FutureTask.java:137)
08-06 02:45:56.693: WARN/System.err(655): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1068)
08-06 02:45:56.713: WARN/System.err(655): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:561)
08-06 02:45:56.713: WARN/System.err(655): at java.lang.Thread.run(Thread.java:1096)
08-06 02:45:56.743: WARN/System.err(655): Caused by: org.apache.http.ProtocolException: Invalid redirect URI: http://somewebsite.com/some file with spaces.zip
08-06 02:45:56.787: WARN/System.err(655): at org.apache.http.impl.client.DefaultRedirectHandler.getLocationURI(DefaultRedirectHandler.java:116)
08-06 02:45:56.803: WARN/System.err(655): at org.apache.http.impl.client.DefaultRequestDirector.handleResponse(DefaultRequestDirector.java:892)
08-06 02:45:56.813: WARN/System.err(655): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:457)
08-06 02:45:56.843: WARN/System.err(655): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
08-06 02:45:56.843: WARN/System.err(655): ... 9 more
08-06 02:45:56.873: WARN/System.err(655): Caused by: java.net.URISyntaxException: Illegal character in path at index #: http://somewebsite.com/some file with spaces.zip
08-06 02:45:56.913: WARN/System.err(655): at java.net.URI$Helper.validatePath(URI.java:448)
08-06 02:45:56.923: WARN/System.err(655): at java.net.URI$Helper.parseURI(URI.java:398)
08-06 02:45:56.953: WARN/System.err(655): at java.net.URI$Helper.access$100(URI.java:302)
08-06 02:45:56.963: WARN/System.err(655): at java.net.URI.<init>(URI.java:87)
08-06 02:45:56.993: WARN/System.err(655): at org.apache.http.impl.client.DefaultRedirectHandler.getLocationURI(DefaultRedirectHandler.java:114)
08-06 02:45:57.013: WARN/System.err(655): ... 12 more

最佳答案

Apache HTTP 库允许您注册一个 RedirectHandler 对象,只要发生重定向,该对象就会被调用。您可以使用它来拦截重定向并修复它。

(也就是说,向您发送此重定向的网站已损坏。您应该联系他们并告知他们。)

class CustomRedirectHandler extends DefaultRedirectHandler {
public URI getLocationURI(HttpResponse response, HttpContext context) {
// Extract the Location: header and manually convert spaces to %20's
// Return the corrected URI
}
}

DefaultHttpClient httpClient = new DefaultHttpClient();
RedirectHandler customRedirectHandler = new CustomRedirectHandler();
//...
httpClient.setRedirectHandler(customRedirectHandler);

关于java - HttpClient 重定向到带有空格抛出异常的 URL,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/3420767/

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