Some Metadata.xml fixes for binding "Java WebSockets" (https://github.com/TooTallNate/Java-WebSocket/) in Xamarin.Android

Metadata.xml

<metadata>
    <!-- Some Metadata.xml fixes for binding "Java WebSockets" (https://github.com/TooTallNate/Java-WebSocket/) in Xamarin.Android -->

    <!-- This is a case of http://docs.xamarin.com/guides/android/advanced_topics/java_integration_overview/binding_a_java_library_(.jar)/#Problem_Duplicate_custom_EventArgs_types

         Error CS0102: The type `Org.Java_websocket.WebsocketMessageEventArgs'
         already contains a definition for `p0' -->
    <attr path="/api/package[@name='org.java_websocket']/interface[@name='WebSocketListener']/method[@name='onWebsocketMessage' and count(parameter)=2 and parameter[1][@type='org.java_websocket.WebSocket'] and parameter[2][@type='java.nio.ByteBuffer']]" name="argsType">WebsocketMessageByteBufferEventArgs</attr>


    <!-- The automatically generated event handlers cause some trouble
         here because there are two overloads of `onWebsocketMessage`.

         Let's just rename one of the methods. That way the event handler
         will have a different name too, and there won't be a conflict.

         Error CS0102: The type `Org.Java_websocket.IWebSocketListenerImplementor'
         already contains a definition for `OnWebsocketMessageHandler' -->
    <attr path="/api/package[@name='org.java_websocket']/interface[@name='WebSocketListener']/method[@name='onWebsocketMessage' and count(parameter)=2 and parameter[1][@type='org.java_websocket.WebSocket'] and parameter[2][@type='java.nio.ByteBuffer']]" name="managedName">OnWebsocketMessageByteBuffer</attr>

    <!--- Error CS0115: `Org.Java_websocket.Client.WebSocketClient.OnWebsocketMessage(Org.Java_websocket.IWebSocket, Java.Nio.ByteBuffer)'
          is marked as an override but no suitable method found to override -->
    <attr path="/api/package[@name='org.java_websocket.client']/class[@name='WebSocketClient']/method[@name='onWebsocketMessage' and count(parameter)=2 and parameter[1][@type='org.java_websocket.WebSocket'] and parameter[2][@type='java.nio.ByteBuffer']]" name="managedName">OnWebsocketMessageByteBuffer</attr>-->

    <!-- Error CS0115: `Org.Java_websocket.Server.WebSocketServer.OnWebsocketMessage(Org.Java_websocket.IWebSocket, Java.Nio.ByteBuffer)'
         is marked as an override but no suitable method found to override -->
    <attr path="/api/package[@name='org.java_websocket.server']/class[@name='WebSocketServer']/method[@name='onWebsocketMessage' and count(parameter)=2 and parameter[1][@type='org.java_websocket.WebSocket'] and parameter[2][@type='java.nio.ByteBuffer']]" name="managedName">OnWebsocketMessageByteBuffer</attr>


    <!--- C# does not support covariant return types, but Java does. So
          we must return the base class type from the interface here instead
          of a subclass.

          Error CS0738: `Org.Java_websocket.Client.DefaultSSLWebSocketClientFactory'
          does not implement interface member `Org.Java_websocket.IWebSocketFactory.CreateWebSocket(Org.Java_websocket.WebSocketAdapter, System.Collections.Generic.IList<Org.Java_websocket.Drafts.Draft>, Java.Net.Socket)'
          and the best implementing candidate `Org.Java_websocket.Client.DefaultSSLWebSocketClientFactory.CreateWebSocket(Org.Java_websocket.WebSocketAdapter, System.Collections.Generic.IList<Org.Java_websocket.Drafts.Draft>, Java.Net.Socket)'
          return type `Org.Java_websocket.WebSocketImpl' does not match
          interface member return type `Org.Java_websocket.IWebSocket' -->
    <attr path="/api/package[@name='org.java_websocket.client']/class[@name='DefaultSSLWebSocketClientFactory']/method[@name='createWebSocket' and count(parameter)=3 and parameter[1][@type='org.java_websocket.WebSocketAdapter'] and parameter[2][@type='java.util.List&lt;org.java_websocket.drafts.Draft&gt;'] and parameter[3][@type='java.net.Socket']]" name="managedReturn">Org.Java_websocket.IWebSocket</attr>


    <!---Error CS0738: `Org.Java_websocket.Client.DefaultSSLWebSocketClientFactory'
         does not implement interface member `Org.Java_websocket.IWebSocketFactory.CreateWebSocket(Org.Java_websocket.WebSocketAdapter, Org.Java_websocket.Drafts.Draft, Java.Net.Socket)'
         and the best implementing candidate `Org.Java_websocket.Client.DefaultSSLWebSocketClientFactory.CreateWebSocket(Org.Java_websocket.WebSocketAdapter, Org.Java_websocket.Drafts.Draft, Java.Net.Socket)'
         return type `Org.Java_websocket.WebSocketImpl' does not match
         interface member return type `Org.Java_websocket.IWebSocket' -->
    <attr path="/api/package[@name='org.java_websocket.client']/class[@name='DefaultSSLWebSocketClientFactory']/method[@name='createWebSocket' and count(parameter)=3 and parameter[1][@type='org.java_websocket.WebSocketAdapter'] and parameter[2][@type='org.java_websocket.drafts.Draft'] and parameter[3][@type='java.net.Socket']]" name="managedReturn">Org.Java_websocket.IWebSocket</attr>


    <!-- Same thing for all of these methods too -->
    <attr path="/api/package[@name='org.java_websocket.server']/class[@name='DefaultSSLWebSocketServerFactory']/method[@name='createWebSocket' and count(parameter)=3 and parameter[1][@type='org.java_websocket.WebSocketAdapter'] and parameter[2][@type='java.util.List&lt;org.java_websocket.drafts.Draft&gt;'] and parameter[3][@type='java.net.Socket']]" name="managedReturn">Org.Java_websocket.IWebSocket</attr>
    <attr path="/api/package[@name='org.java_websocket.server']/class[@name='DefaultSSLWebSocketServerFactory']/method[@name='createWebSocket' and count(parameter)=3 and parameter[1][@type='org.java_websocket.WebSocketAdapter'] and parameter[2][@type='org.java_websocket.drafts.Draft'] and parameter[3][@type='java.net.Socket']]" name="managedReturn">Org.Java_websocket.IWebSocket</attr>

    <attr path="/api/package[@name='org.java_websocket.server']/class[@name='DefaultWebSocketServerFactory']/method[@name='createWebSocket' and count(parameter)=3 and parameter[1][@type='org.java_websocket.WebSocketAdapter'] and parameter[2][@type='java.util.List&lt;org.java_websocket.drafts.Draft&gt;'] and parameter[3][@type='java.net.Socket']]" name="managedReturn">Org.Java_websocket.IWebSocket</attr>
    <attr path="/api/package[@name='org.java_websocket.server']/class[@name='DefaultWebSocketServerFactory']/method[@name='createWebSocket' and count(parameter)=3 and parameter[1][@type='org.java_websocket.WebSocketAdapter'] and parameter[2][@type='org.java_websocket.drafts.Draft'] and parameter[3][@type='java.net.Socket']]" name="managedReturn">Org.Java_websocket.IWebSocket</attr>

    <attr path="/api/package[@name='org.java_websocket.server']/class[@name='DefaultWebSocketServerFactory']/method[@name='wrapChannel' and count(parameter)=2 and parameter[1][@type='java.nio.channels.SocketChannel'] and parameter[2][@type='java.nio.channels.SelectionKey']]" name="managedReturn">Java.Nio.Channels.IByteChannel</attr>


    <!-- There's no need to have these methods in this interface at all.
         They are only present to enforce the covariant return types, and
         we can't use covariant return types in C#, so the parent
         interface versions will suffice.

         Warning CS0108: `Org.Java_websocket.Server.WebSocketServer.IWebSocketServerFactory.CreateWebSocket(Org.Java_websocket.WebSocketAdapter, System.Collections.Generic.IList<Org.Java_websocket.Drafts.Draft>, Java.Net.Socket)'
         hides inherited member `Org.Java_websocket.IWebSocketFactory.CreateWebSocket(Org.Java_websocket.WebSocketAdapter, System.Collections.Generic.IList<Org.Java_websocket.Drafts.Draft>, Java.Net.Socket)'.
         Use the new keyword if hiding was intended -->
    <remove-node path="/api/package[@name='org.java_websocket.server']/interface[@name='WebSocketServer.WebSocketServerFactory']/method[@name='createWebSocket' and count(parameter)=3 and parameter[1][@type='org.java_websocket.WebSocketAdapter'] and parameter[2][@type='java.util.List&lt;org.java_websocket.drafts.Draft&gt;'] and parameter[3][@type='java.net.Socket']]" />
    <remove-node path="/api/package[@name='org.java_websocket.server']/interface[@name='WebSocketServer.WebSocketServerFactory']/method[@name='createWebSocket' and count(parameter)=3 and parameter[1][@type='org.java_websocket.WebSocketAdapter'] and parameter[2][@type='org.java_websocket.drafts.Draft'] and parameter[3][@type='java.net.Socket']]" />


    <!--- The `IClientHandshakeBuilder` interface only requires a setter.
          Since setter-only properties are discouraged, we will instead
          switch the automatically generated properties on
          `HandshakeImpl1Client` to be plain methods.

          Error CS0535: `Org.Java_websocket.Handshake.HandshakeImpl1Client'
          does not implement interface member `Org.Java_websocket.Handshake.IClientHandshakeBuilder.SetResourceDescriptor(string)' -->
    <attr path="/api/package[@name='org.java_websocket.handshake']/class[@name='HandshakeImpl1Client']/method[@name='setResourceDescriptor' and count(parameter)=1 and parameter[1][@type='java.lang.String']]" name="propertyName"></attr>
    <attr path="/api/package[@name='org.java_websocket.handshake']/class[@name='HandshakeImpl1Client']/method[@name='getResourceDescriptor' and count(parameter)=0]" name="propertyName"></attr>


    <!-- The the `IClientHandshake` interface must now also use plain
         methods to match.

         Error CS0535: `Org.Java_websocket.Handshake.HandshakeImpl1Client'
         does not implement interface member `Org.Java_websocket.Handshake.IClientHandshake.ResourceDescriptor.get' -->
    <attr path="/api/package[@name='org.java_websocket.handshake']/interface[@name='ClientHandshake']/method[@name='getResourceDescriptor' and count(parameter)=0]" name="propertyName"></attr>


    <!--- Same property vs. method issue here -->
    <attr path="/api/package[@name='org.java_websocket.handshake']/class[@name='HandshakeImpl1Server']/method[@name='getHttpStatus' and count(parameter)=0]" name="propertyName"></attr>
    <attr path="/api/package[@name='org.java_websocket.handshake']/class[@name='HandshakeImpl1Server']/method[@name='setHttpStatus' and count(parameter)=1 and parameter[1][@type='short']]" name="propertyName"></attr>
    <attr path="/api/package[@name='org.java_websocket.handshake']/class[@name='HandshakeImpl1Server']/method[@name='getHttpStatusMessage' and count(parameter)=0]" name="propertyName"></attr>
    <attr path="/api/package[@name='org.java_websocket.handshake']/class[@name='HandshakeImpl1Server']/method[@name='setHttpStatusMessage' and count(parameter)=1 and parameter[1][@type='java.lang.String']]" name="propertyName"></attr>

    <attr path="/api/package[@name='org.java_websocket.handshake']/interface[@name='ServerHandshake']/method[@name='getHttpStatus' and count(parameter)=0]" name="propertyName"></attr>
    <attr path="/api/package[@name='org.java_websocket.handshake']/interface[@name='ServerHandshake']/method[@name='getHttpStatusMessage' and count(parameter)=0]" name="propertyName"></attr>
</metadata>