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<h2><span class="refentrytitle"><a name="CamelDataWrapper.top_of_page"></a>CamelDataWrapper</span></h2>
<p>CamelDataWrapper</p>
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<div class="refsynopsisdiv">
<a name="CamelDataWrapper.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">struct <a class="link" href="CamelDataWrapper.html#CamelDataWrapper-struct" title="struct CamelDataWrapper">CamelDataWrapper</a>;
<a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="returnvalue">CamelDataWrapper</span></a> * <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-new" title="camel_data_wrapper_new ()">camel_data_wrapper_new</a> (<em class="parameter"><code><span class="type">void</span></code></em>);
<span class="returnvalue">GByteArray</span> * <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-get-byte-array" title="camel_data_wrapper_get_byte_array ()">camel_data_wrapper_get_byte_array</a> (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-set-mime-type" title="camel_data_wrapper_set_mime_type ()">camel_data_wrapper_set_mime_type</a> (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *mime_type</code></em>);
<span class="returnvalue">gchar</span> * <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-get-mime-type" title="camel_data_wrapper_get_mime_type ()">camel_data_wrapper_get_mime_type</a> (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>);
<a class="link" href="camel-camel-mime-utils.html#CamelContentType" title="CamelContentType"><span class="returnvalue">CamelContentType</span></a> * <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-get-mime-type-field" title="camel_data_wrapper_get_mime_type_field ()">camel_data_wrapper_get_mime_type_field</a>
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-set-mime-type-field" title="camel_data_wrapper_set_mime_type_field ()">camel_data_wrapper_set_mime_type_field</a>
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="camel-camel-mime-utils.html#CamelContentType" title="CamelContentType"><span class="type">CamelContentType</span></a> *mime_type</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-is-offline" title="camel_data_wrapper_is_offline ()">camel_data_wrapper_is_offline</a> (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>);
<span class="returnvalue">gssize</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-write-to-stream-sync" title="camel_data_wrapper_write_to_stream_sync ()">camel_data_wrapper_write_to_stream_sync</a>
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> *stream</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-write-to-stream" title="camel_data_wrapper_write_to_stream ()">camel_data_wrapper_write_to_stream</a> (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> *stream</code></em>,
<em class="parameter"><code><span class="type">gint</span> io_priority</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GAsyncReadyCallback</span> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);
<span class="returnvalue">gssize</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-write-to-stream-finish" title="camel_data_wrapper_write_to_stream_finish ()">camel_data_wrapper_write_to_stream_finish</a>
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><span class="type">GAsyncResult</span> *result</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);
<span class="returnvalue">gssize</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-decode-to-stream-sync" title="camel_data_wrapper_decode_to_stream_sync ()">camel_data_wrapper_decode_to_stream_sync</a>
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> *stream</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-decode-to-stream" title="camel_data_wrapper_decode_to_stream ()">camel_data_wrapper_decode_to_stream</a> (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> *stream</code></em>,
<em class="parameter"><code><span class="type">gint</span> io_priority</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GAsyncReadyCallback</span> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);
<span class="returnvalue">gssize</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-decode-to-stream-finish" title="camel_data_wrapper_decode_to_stream_finish ()">camel_data_wrapper_decode_to_stream_finish</a>
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><span class="type">GAsyncResult</span> *result</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-construct-from-stream-sync" title="camel_data_wrapper_construct_from_stream_sync ()">camel_data_wrapper_construct_from_stream_sync</a>
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> *stream</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-construct-from-stream" title="camel_data_wrapper_construct_from_stream ()">camel_data_wrapper_construct_from_stream</a>
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> *stream</code></em>,
<em class="parameter"><code><span class="type">gint</span> io_priority</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GAsyncReadyCallback</span> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-construct-from-stream-finish" title="camel_data_wrapper_construct_from_stream_finish ()">camel_data_wrapper_construct_from_stream_finish</a>
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><span class="type">GAsyncResult</span> *result</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);
enum <a class="link" href="CamelDataWrapper.html#CamelDataWrapperLock" title="enum CamelDataWrapperLock">CamelDataWrapperLock</a>;
<span class="returnvalue">void</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-lock" title="camel_data_wrapper_lock ()">camel_data_wrapper_lock</a> (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelDataWrapper.html#CamelDataWrapperLock" title="enum CamelDataWrapperLock"><span class="type">CamelDataWrapperLock</span></a> lock</code></em>);
<span class="returnvalue">void</span> <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-unlock" title="camel_data_wrapper_unlock ()">camel_data_wrapper_unlock</a> (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelDataWrapper.html#CamelDataWrapperLock" title="enum CamelDataWrapperLock"><span class="type">CamelDataWrapperLock</span></a> lock</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="CamelDataWrapper.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GObject
+----<a class="link" href="CamelObject.html" title="CamelObject">CamelObject</a>
+----CamelDataWrapper
+----<a class="link" href="CamelMedium.html" title="CamelMedium">CamelMedium</a>
+----<a class="link" href="CamelMultipart.html" title="CamelMultipart">CamelMultipart</a>
</pre>
</div>
<div class="refsect1">
<a name="CamelDataWrapper.description"></a><h2>Description</h2>
<p>
</p>
</div>
<div class="refsect1">
<a name="CamelDataWrapper.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="CamelDataWrapper-struct"></a><h3>struct CamelDataWrapper</h3>
<pre class="programlisting">struct CamelDataWrapper;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-new"></a><h3>camel_data_wrapper_new ()</h3>
<pre class="programlisting"><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="returnvalue">CamelDataWrapper</span></a> * camel_data_wrapper_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>
Create a new <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> object.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> object</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-get-byte-array"></a><h3>camel_data_wrapper_get_byte_array ()</h3>
<pre class="programlisting"><span class="returnvalue">GByteArray</span> * camel_data_wrapper_get_byte_array (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>);</pre>
<p>
Returns the <span class="type">GByteArray</span> being used to hold the contents of <em class="parameter"><code>data_wrapper</code></em>.
</p>
<p>
Note, it's up to the caller to use this in a thread-safe manner.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the <span class="type">GByteArray</span> for <em class="parameter"><code>data_wrapper</code></em>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 3.2</p>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-set-mime-type"></a><h3>camel_data_wrapper_set_mime_type ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> camel_data_wrapper_set_mime_type (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *mime_type</code></em>);</pre>
<p>
This sets the data wrapper's MIME type.
</p>
<p>
It might fail, but you won't know. It will allow you to set
Content-Type parameters on the data wrapper, which are meaningless.
You should not be allowed to change the MIME type of a data wrapper
that contains data, or at least, if you do, it should invalidate the
data.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mime_type</code></em> :</span></p></td>
<td>a MIME type</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-get-mime-type"></a><h3>camel_data_wrapper_get_mime_type ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span> * camel_data_wrapper_get_mime_type (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>);</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the MIME type which must be freed by the caller</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-get-mime-type-field"></a><h3>camel_data_wrapper_get_mime_type_field ()</h3>
<pre class="programlisting"><a class="link" href="camel-camel-mime-utils.html#CamelContentType" title="CamelContentType"><span class="returnvalue">CamelContentType</span></a> * camel_data_wrapper_get_mime_type_field
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>);</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the parsed form of the data wrapper's MIME type</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-set-mime-type-field"></a><h3>camel_data_wrapper_set_mime_type_field ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> camel_data_wrapper_set_mime_type_field
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="camel-camel-mime-utils.html#CamelContentType" title="CamelContentType"><span class="type">CamelContentType</span></a> *mime_type</code></em>);</pre>
<p>
This sets the data wrapper's MIME type. It suffers from the same
flaws as <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-set-mime-type" title="camel_data_wrapper_set_mime_type ()"><code class="function">camel_data_wrapper_set_mime_type()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mime_type</code></em> :</span></p></td>
<td>a <a class="link" href="camel-camel-mime-utils.html#CamelContentType" title="CamelContentType"><span class="type">CamelContentType</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-is-offline"></a><h3>camel_data_wrapper_is_offline ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> camel_data_wrapper_is_offline (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>);</pre>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>whether <em class="parameter"><code>data_wrapper</code></em> is "offline" (data stored
remotely) or not. Some optional code paths may choose to not
operate on offline data.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-write-to-stream-sync"></a><h3>camel_data_wrapper_write_to_stream_sync ()</h3>
<pre class="programlisting"><span class="returnvalue">gssize</span> camel_data_wrapper_write_to_stream_sync
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> *stream</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Writes the content of <em class="parameter"><code>data_wrapper</code></em> to <em class="parameter"><code>stream</code></em> in a machine-independent
format appropriate for the data. It should be possible to construct an
equivalent data wrapper object later by passing this stream to
<a class="link" href="CamelDataWrapper.html#camel-data-wrapper-construct-from-stream-sync" title="camel_data_wrapper_construct_from_stream_sync ()"><code class="function">camel_data_wrapper_construct_from_stream_sync()</code></a>.
</p>
<p>
</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p>
This function may block even if the given output stream does not.
For example, the content may have to be fetched across a network
before it can be written to <em class="parameter"><code>stream</code></em>.
</p>
</div>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>stream</code></em> :</span></p></td>
<td>a <a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> for output</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cancellable</code></em> :</span></p></td>
<td>optional <span class="type">GCancellable</span> object, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for a <span class="type">GError</span>, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the number of bytes written, or <code class="literal">-1</code> on error</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-write-to-stream"></a><h3>camel_data_wrapper_write_to_stream ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> camel_data_wrapper_write_to_stream (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> *stream</code></em>,
<em class="parameter"><code><span class="type">gint</span> io_priority</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GAsyncReadyCallback</span> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
<p>
Asynchronously writes the content of <em class="parameter"><code>data_wrapper</code></em> to <em class="parameter"><code>stream</code></em> in a
machine-independent format appropriate for the data. It should be
possible to construct an equivalent data wrapper object later by
passing this stream to <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-construct-from-stream" title="camel_data_wrapper_construct_from_stream ()"><code class="function">camel_data_wrapper_construct_from_stream()</code></a>.
</p>
<p>
When the operation is finished, <em class="parameter"><code>callback</code></em> will be called. You can then
call <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-write-to-stream-finish" title="camel_data_wrapper_write_to_stream_finish ()"><code class="function">camel_data_wrapper_write_to_stream_finish()</code></a> to get the result of
the operation.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>stream</code></em> :</span></p></td>
<td>a <a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> for writed data to be written to</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>io_priority</code></em> :</span></p></td>
<td>the I/O priority of the request</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cancellable</code></em> :</span></p></td>
<td>optional <span class="type">GCancellable</span> object, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>a <span class="type">GAsyncReadyCallback</span> to call when the request is satisfied</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>data to pass to the callback function</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-write-to-stream-finish"></a><h3>camel_data_wrapper_write_to_stream_finish ()</h3>
<pre class="programlisting"><span class="returnvalue">gssize</span> camel_data_wrapper_write_to_stream_finish
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><span class="type">GAsyncResult</span> *result</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Finishes the operation started with <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-write-to-stream" title="camel_data_wrapper_write_to_stream ()"><code class="function">camel_data_wrapper_write_to_stream()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>a <span class="type">GAsyncResult</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for a <span class="type">GError</span>, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the number of bytes written, or <code class="literal">-1</code> or error</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-decode-to-stream-sync"></a><h3>camel_data_wrapper_decode_to_stream_sync ()</h3>
<pre class="programlisting"><span class="returnvalue">gssize</span> camel_data_wrapper_decode_to_stream_sync
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> *stream</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Writes the decoded data content to <em class="parameter"><code>stream</code></em>.
</p>
<p>
</p>
<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Note</h3>
<p>
This function may block even if the given output stream does not.
For example, the content may have to be fetched across a network
before it can be written to <em class="parameter"><code>stream</code></em>.
</p>
</div>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>stream</code></em> :</span></p></td>
<td>a <a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> for decoded data to be written to</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cancellable</code></em> :</span></p></td>
<td>optional <span class="type">GCancellable</span> object, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for a <span class="type">GError</span>, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the number of bytes written, or <code class="literal">-1</code> on error</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-decode-to-stream"></a><h3>camel_data_wrapper_decode_to_stream ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> camel_data_wrapper_decode_to_stream (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> *stream</code></em>,
<em class="parameter"><code><span class="type">gint</span> io_priority</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GAsyncReadyCallback</span> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
<p>
Asynchronously writes the decoded data content to <em class="parameter"><code>stream</code></em>.
</p>
<p>
When the operation is finished, <em class="parameter"><code>callback</code></em> will be called. You can then
call <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-decode-to-stream-finish" title="camel_data_wrapper_decode_to_stream_finish ()"><code class="function">camel_data_wrapper_decode_to_stream_finish()</code></a> to get the result of
the operation.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>stream</code></em> :</span></p></td>
<td>a <a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> for decoded data to be written to</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>io_priority</code></em> :</span></p></td>
<td>the I/O priority of the request</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cancellable</code></em> :</span></p></td>
<td>optional <span class="type">GCancellable</span> object, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>a <span class="type">GAsyncReadyCallback</span> to call when the request is satisfied</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>data to pass to the callback function</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-decode-to-stream-finish"></a><h3>camel_data_wrapper_decode_to_stream_finish ()</h3>
<pre class="programlisting"><span class="returnvalue">gssize</span> camel_data_wrapper_decode_to_stream_finish
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><span class="type">GAsyncResult</span> *result</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Finishes the operation started with <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-decode-to-stream" title="camel_data_wrapper_decode_to_stream ()"><code class="function">camel_data_wrapper_decode_to_stream()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>a <span class="type">GAsyncResult</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for a <span class="type">GError</span>, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the number of bytes written, or <code class="literal">-1</code> on error</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-construct-from-stream-sync"></a><h3>camel_data_wrapper_construct_from_stream_sync ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> camel_data_wrapper_construct_from_stream_sync
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> *stream</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Constructs the content of <em class="parameter"><code>data_wrapper</code></em> from the given <em class="parameter"><code>stream</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>stream</code></em> :</span></p></td>
<td>an input <a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cancellable</code></em> :</span></p></td>
<td>optional <span class="type">GCancellable</span> object, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for a <span class="type">GError</span>, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> on error</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-construct-from-stream"></a><h3>camel_data_wrapper_construct_from_stream ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> camel_data_wrapper_construct_from_stream
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a> *stream</code></em>,
<em class="parameter"><code><span class="type">gint</span> io_priority</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GAsyncReadyCallback</span> callback</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
<p>
Asynchronously constructs the content of <em class="parameter"><code>data_wrapper</code></em> from the given
<em class="parameter"><code>stream</code></em>.
</p>
<p>
When the operation is finished, <em class="parameter"><code>callback</code></em> will be called. You can then
call <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-construct-from-stream-finish" title="camel_data_wrapper_construct_from_stream_finish ()"><code class="function">camel_data_wrapper_construct_from_stream_finish()</code></a> to get the result
of the operation.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>stream</code></em> :</span></p></td>
<td>an input <a class="link" href="CamelStream.html" title="CamelStream"><span class="type">CamelStream</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>io_priority</code></em> :</span></p></td>
<td>the I/O priority of the request</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>cancellable</code></em> :</span></p></td>
<td>optional <span class="type">GCancellable</span> object, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>callback</code></em> :</span></p></td>
<td>a <span class="type">GAsyncReadyCallback</span> to call when the request is satisfied</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>data to pass to the callback function</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-construct-from-stream-finish"></a><h3>camel_data_wrapper_construct_from_stream_finish ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> camel_data_wrapper_construct_from_stream_finish
(<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><span class="type">GAsyncResult</span> *result</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>
Finishes the operation started with
<a class="link" href="CamelDataWrapper.html#camel-data-wrapper-construct-from-stream" title="camel_data_wrapper_construct_from_stream ()"><code class="function">camel_data_wrapper_construct_from_stream()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>result</code></em> :</span></p></td>
<td>a <span class="type">GAsyncResult</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>error</code></em> :</span></p></td>
<td>return location for a <span class="type">GError</span>, or <code class="literal">NULL</code>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> on error</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 3.0</p>
</div>
<hr>
<div class="refsect2">
<a name="CamelDataWrapperLock"></a><h3>enum CamelDataWrapperLock</h3>
<pre class="programlisting">typedef enum {
CAMEL_DATA_WRAPPER_STREAM_LOCK
} CamelDataWrapperLock;
</pre>
<p class="since">Since 2.32</p>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-lock"></a><h3>camel_data_wrapper_lock ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> camel_data_wrapper_lock (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelDataWrapper.html#CamelDataWrapperLock" title="enum CamelDataWrapperLock"><span class="type">CamelDataWrapperLock</span></a> lock</code></em>);</pre>
<p>
Locks <em class="parameter"><code>data_wrapper</code></em>'s <em class="parameter"><code>lock</code></em>. Unlock it with <a class="link" href="CamelDataWrapper.html#camel-data-wrapper-unlock" title="camel_data_wrapper_unlock ()"><code class="function">camel_data_wrapper_unlock()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>lock</code></em> :</span></p></td>
<td>lock type to lock</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.32</p>
</div>
<hr>
<div class="refsect2">
<a name="camel-data-wrapper-unlock"></a><h3>camel_data_wrapper_unlock ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> camel_data_wrapper_unlock (<em class="parameter"><code><a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> *data_wrapper</code></em>,
<em class="parameter"><code><a class="link" href="CamelDataWrapper.html#CamelDataWrapperLock" title="enum CamelDataWrapperLock"><span class="type">CamelDataWrapperLock</span></a> lock</code></em>);</pre>
<p>
Unlocks <em class="parameter"><code>data_wrapper</code></em>'s <em class="parameter"><code>lock</code></em>, previously locked with
<a class="link" href="CamelDataWrapper.html#camel-data-wrapper-lock" title="camel_data_wrapper_lock ()"><code class="function">camel_data_wrapper_lock()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>data_wrapper</code></em> :</span></p></td>
<td>a <a class="link" href="CamelDataWrapper.html" title="CamelDataWrapper"><span class="type">CamelDataWrapper</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>lock</code></em> :</span></p></td>
<td>lock type to unlock</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.32</p>
</div>
</div>
</div>
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