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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<a href="#camel-CamelDataWrapper.synopsis" class="shortcut">Top</a>
                 | 
                <a href="#camel-CamelDataWrapper.description" class="shortcut">Description</a>
</td></tr>
</table>
<div class="refentry" lang="en">
<a name="camel-CamelDataWrapper"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="camel-CamelDataWrapper.top_of_page"></a>CamelDataWrapper</span></h2>
<p>CamelDataWrapper</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="camel-CamelDataWrapper.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
struct              <a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a>;
<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a>*   <a class="link" href="camel-CamelDataWrapper.html#camel-data-wrapper-new" title="camel_data_wrapper_new ()">camel_data_wrapper_new</a>              (void);
ssize_t             <a class="link" href="camel-CamelDataWrapper.html#camel-data-wrapper-write-to-stream" title="camel_data_wrapper_write_to_stream ()">camel_data_wrapper_write_to_stream</a>  (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper,
                                                         <a class="link" href="camel-CamelStream.html#CamelStream" title="struct CamelStream">CamelStream</a> *stream);
ssize_t             <a class="link" href="camel-CamelDataWrapper.html#camel-data-wrapper-decode-to-stream" title="camel_data_wrapper_decode_to_stream ()">camel_data_wrapper_decode_to_stream</a> (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper,
                                                         <a class="link" href="camel-CamelStream.html#CamelStream" title="struct CamelStream">CamelStream</a> *stream);
void                <a class="link" href="camel-CamelDataWrapper.html#camel-data-wrapper-set-mime-type" title="camel_data_wrapper_set_mime_type ()">camel_data_wrapper_set_mime_type</a>    (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper,
                                                         const char *mime_type);
char*               <a class="link" href="camel-CamelDataWrapper.html#camel-data-wrapper-get-mime-type" title="camel_data_wrapper_get_mime_type ()">camel_data_wrapper_get_mime_type</a>    (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper);
CamelContentType*   <a class="link" href="camel-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>
                                                        (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper);
void                <a class="link" href="camel-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>
                                                        (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper,
                                                         CamelContentType *mime_type);
int                 <a class="link" href="camel-CamelDataWrapper.html#camel-data-wrapper-construct-from-stream" title="camel_data_wrapper_construct_from_stream ()">camel_data_wrapper_construct_from_stream</a>
                                                        (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper,
                                                         <a class="link" href="camel-CamelStream.html#CamelStream" title="struct CamelStream">CamelStream</a> *stream);
gboolean            <a class="link" href="camel-CamelDataWrapper.html#camel-data-wrapper-is-offline" title="camel_data_wrapper_is_offline ()">camel_data_wrapper_is_offline</a>       (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper);
</pre>
</div>
<div class="refsect1" lang="en">
<a name="camel-CamelDataWrapper.description"></a><h2>Description</h2>
<p>

</p>
</div>
<div class="refsect1" lang="en">
<a name="camel-CamelDataWrapper.details"></a><h2>Details</h2>
<div class="refsect2" lang="en">
<a name="CamelDataWrapper"></a><h3>struct CamelDataWrapper</h3>
<pre class="programlisting">struct CamelDataWrapper {
	CamelObject parent_object;
	struct _CamelDataWrapperPrivate *priv;

	CamelTransferEncoding encoding;

	CamelContentType *mime_type;
	CamelStream *stream;

	unsigned int offline:1;
};
</pre>
<p>

</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="camel-data-wrapper-new"></a><h3>camel_data_wrapper_new ()</h3>
<pre class="programlisting"><a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a>*   camel_data_wrapper_new              (void);</pre>
<p>
Create a new <a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> object.</p>
<p>

</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="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> object
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="camel-data-wrapper-write-to-stream"></a><h3>camel_data_wrapper_write_to_stream ()</h3>
<pre class="programlisting">ssize_t             camel_data_wrapper_write_to_stream  (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper,
                                                         <a class="link" href="camel-CamelStream.html#CamelStream" title="struct CamelStream">CamelStream</a> *stream);</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="camel-CamelDataWrapper.html#camel-data-wrapper-construct-from-stream" title="camel_data_wrapper_construct_from_stream ()"><span class="type">camel_data_wrapper_construct_from_stream</span></a>.</p>
<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="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> object
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>stream</code></em> :</span></p></td>
<td> a <a class="link" href="camel-CamelStream.html#CamelStream" title="struct CamelStream"><span class="type">CamelStream</span></a> for output
</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 fail
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="camel-data-wrapper-decode-to-stream"></a><h3>camel_data_wrapper_decode_to_stream ()</h3>
<pre class="programlisting">ssize_t             camel_data_wrapper_decode_to_stream (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper,
                                                         <a class="link" href="camel-CamelStream.html#CamelStream" title="struct CamelStream">CamelStream</a> *stream);</pre>
<p>
Writes the decoded data content to <em class="parameter"><code>stream</code></em>.</p>
<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="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> object
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>stream</code></em> :</span></p></td>
<td> a <a class="link" href="camel-CamelStream.html#CamelStream" title="struct CamelStream"><span class="type">CamelStream</span></a> for decoded data to be written to
</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 fail
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="camel-data-wrapper-set-mime-type"></a><h3>camel_data_wrapper_set_mime_type ()</h3>
<pre class="programlisting">void                camel_data_wrapper_set_mime_type    (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper,
                                                         const char *mime_type);</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>
<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="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> object
</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" lang="en">
<a name="camel-data-wrapper-get-mime-type"></a><h3>camel_data_wrapper_get_mime_type ()</h3>
<pre class="programlisting">char*               camel_data_wrapper_get_mime_type    (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper);</pre>
<p>
</p>
<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="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> object
</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" lang="en">
<a name="camel-data-wrapper-get-mime-type-field"></a><h3>camel_data_wrapper_get_mime_type_field ()</h3>
<pre class="programlisting">CamelContentType*   camel_data_wrapper_get_mime_type_field
                                                        (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper);</pre>
<p>
</p>
<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="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> object
</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" lang="en">
<a name="camel-data-wrapper-set-mime-type-field"></a><h3>camel_data_wrapper_set_mime_type_field ()</h3>
<pre class="programlisting">void                camel_data_wrapper_set_mime_type_field
                                                        (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper,
                                                         CamelContentType *mime_type);</pre>
<p>
This sets the data wrapper's MIME type. It suffers from the same
flaws as <a class="link" href="camel-CamelDataWrapper.html#camel-data-wrapper-set-mime-type" title="camel_data_wrapper_set_mime_type ()"><span class="type">camel_data_wrapper_set_mime_type</span></a>.</p>
<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="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> object
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>mime_type</code></em> :</span></p></td>
<td> a <span class="type">CamelContentType</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="camel-data-wrapper-construct-from-stream"></a><h3>camel_data_wrapper_construct_from_stream ()</h3>
<pre class="programlisting">int                 camel_data_wrapper_construct_from_stream
                                                        (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper,
                                                         <a class="link" href="camel-CamelStream.html#CamelStream" title="struct CamelStream">CamelStream</a> *stream);</pre>
<p>
Constructs the content of <em class="parameter"><code>data_wrapper</code></em> from the supplied <em class="parameter"><code>stream</code></em>.</p>
<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="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> object
</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="camel-CamelStream.html#CamelStream" title="struct CamelStream"><span class="type">CamelStream</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>%0 on success or <code class="literal">-1</code> on fail
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="camel-data-wrapper-is-offline"></a><h3>camel_data_wrapper_is_offline ()</h3>
<pre class="programlisting">gboolean            camel_data_wrapper_is_offline       (<a class="link" href="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper">CamelDataWrapper</a> *data_wrapper);</pre>
<p>
</p>
<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="camel-CamelDataWrapper.html#CamelDataWrapper" title="struct CamelDataWrapper"><span class="type">CamelDataWrapper</span></a> object
</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>
</div>
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