[jira] [Created] (HTTPCORE-438) Got a java.nio.charset.UnsupportedCharsetException error while the header value consist a charset binary

["Nhan Thuan Nguyen (JIRA)" <ji...@apache.org>]

Nhan Thuan Nguyen created HTTPCORE-438:
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             Summary: Got a java.nio.charset.UnsupportedCharsetException error while the header value consist a charset binary
                 Key: HTTPCORE-438
                 URL: https://issues.apache.org/jira/browse/HTTPCORE-438
             Project: HttpComponents HttpCore
          Issue Type: Bug
          Components: HttpCore
    Affects Versions: 4.4.5
            Reporter: Nhan Thuan Nguyen


Got a java.nio.charset.UnsupportedCharsetException error while the header value consist a charset binary (see below). Since the method in org.apache.http.entity.ContentType.get() is hard coded boolean value true for strict param, the method in org.apache.http.entity.ContentType.create() throw the UnsupportedCharsetException.

Can strict param be pass in from a system property, -Dorg.apache.http.entity.contenttype.strict=false? If not set, then set it to true as default.

Content-Type: image/jpeg; charset=binary; name="image_42Colk06m1oO0xfC"

Caused by: java.nio.charset.UnsupportedCharsetException: binary
        at java.nio.charset.Charset.forName(Charset.java:531)
        at org.apache.http.entity.ContentType.create(ContentType.java:224)
        at org.apache.http.entity.ContentType.create(ContentType.java:214)
        at org.apache.http.entity.ContentType.get(ContentType.java:299)
        at org.apache.http.entity.ContentType.getOrDefault(ContentType.java:346)
        at org.apache.http.nio.protocol.AbstractAsyncResponseConsumer.responseReceived(AbstractAsyncResponseConsumer.java:130)
        at org.apache.http.impl.nio.client.MainClientExec.responseReceived(MainClientExec.java:315)
        at org.apache.http.impl.nio.client.DefaultClientExchangeHandlerImpl.responseReceived(DefaultClientExchangeHandlerImpl.java:147)
        at org.apache.http.nio.protocol.HttpAsyncRequestExecutor.responseReceived(HttpAsyncRequestExecutor.java:303)
        at org.apache.http.impl.nio.client.InternalRequestExecutor.responseReceived(InternalRequestExecutor.java:108)
        at org.apache.http.impl.nio.DefaultNHttpClientConnection.consumeInput(DefaultNHttpClientConnection.java:255)
        at org.apache.http.impl.nio.client.InternalIODispatch.onInputReady(InternalIODispatch.java:81)
        at org.apache.http.impl.nio.client.InternalIODispatch.onInputReady(InternalIODispatch.java:39)
        at org.apache.http.impl.nio.reactor.AbstractIODispatch.inputReady(AbstractIODispatch.java:121)
        at org.apache.http.impl.nio.reactor.BaseIOReactor.readable(BaseIOReactor.java:162)
        at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvent(AbstractIOReactor.java:337)
        at org.apache.http.impl.nio.reactor.AbstractIOReactor.processEvents(AbstractIOReactor.java:315)
        at org.apache.http.impl.nio.reactor.AbstractIOReactor.execute(AbstractIOReactor.java:276)
        at org.apache.http.impl.nio.reactor.BaseIOReactor.execute(BaseIOReactor.java:104)
        at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor$Worker.run(AbstractMultiworkerIOReactor.java:588)

public static ContentType get(
            final HttpEntity entity) throws ParseException, UnsupportedCharsetException {
        if (entity == null) {
            return null;
        }
        final Header header = entity.getContentType();
        if (header != null) {
            final HeaderElement[] elements = header.getElements();
            if (elements.length > 0) {
                return create(elements[0], true);
            }
        }
        return null;
    }


private static ContentType create(final String mimeType, final NameValuePair[] params, final boolean strict) {
        Charset charset = null;
        for (final NameValuePair param: params) {
            if (param.getName().equalsIgnoreCase("charset")) {
                final String s = param.getValue();
                if (!TextUtils.isBlank(s)) {
                    try {
                        charset =  Charset.forName(s);
                    } catch (final UnsupportedCharsetException ex) {
                        if (strict) {
                            throw ex;
                        }
                    }
                }
                break;
            }
        }
        return new ContentType(mimeType, charset, params != null && params.length > 0 ? params : null);
    }





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