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47 lines
2.3 KiB
47 lines
2.3 KiB
This project represents an effort to provide an implementation of Apache HttpClient, which can be
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deployed on Google Android in parallel to the outdated version shipped with platform while
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remaining partially API compatible with Apache HttpClient 4.3.
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Background
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Google Android 1.0 was released with a pre-BETA snapshot of Apache HttpClient 4.0. To coincide with
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the first Android release Apache HttpClient 4.0 APIs had to be frozen prematurely, while many of
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interfaces and internal structures were still not fully worked out. As Apache HttpClient 4.0 was
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maturing the project was expecting Google to incorporate the latest code improvements into their
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code tree. Unfortunately it did not happen. Version of Apache HttpClient shipped with Android has
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effectively became a fork. Eventually Google decided to discontinue further development of their
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fork while refusing to upgrade to the stock version of Apache HttpClient citing compatibility
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concerns as a reason for such decision. As a result those Android developers who would like to
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continue using Apache HttpClient APIs on Android cannot take advantage of newer features, performance
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improvements and bug fixes.
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Apache HttpClient 4.3 port for Android is intended to remedy the situation by providing
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official releases compatible with Google Android.
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Differences with the stock version of Apache HttpClient
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(1) Compiled against HttpClient 4.0 APIs.
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(2) Commons Logging replaced with Android Logging.
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(3) Base64 implementation from Commons Codec replaced with Android Base64.
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(4) Android default SSLSocketFactory used by for SSL/TLS connections.
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Compatibility notes
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(1) HttpClient port for Android is compiled against the official Android SDK and is expected
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to be fully compatible with any code consuming HttpClient services through its interface
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(HttpClient) rather than the default implementation (DefaultHttpClient).
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(2) Code compiled against stock versions of Apache HttpClient 4.3 is not fully compatible with
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the HttpClient port for Android. Some of the implementation classes had to be copied (or shaded)
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with different names in order to avoid conflicts with the older versions of the same classes
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included in the Android runtime. One can increase compatibility with the stock version of
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HttpClient by avoiding 'org.apache.http.**.*HC4' classes.
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