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Posted to commits@camel.apache.org by bu...@apache.org on 2015/05/29 14:18:40 UTC
svn commit: r953085 - in /websites/production/camel/content:
cache/main.pageCache grape.html
Author: buildbot
Date: Fri May 29 12:18:40 2015
New Revision: 953085
Log:
Production update by buildbot for camel
Added:
websites/production/camel/content/grape.html
Modified:
websites/production/camel/content/cache/main.pageCache
Modified: websites/production/camel/content/cache/main.pageCache
==============================================================================
Binary files - no diff available.
Added: websites/production/camel/content/grape.html
==============================================================================
--- websites/production/camel/content/grape.html (added)
+++ websites/production/camel/content/grape.html Fri May 29 12:18:40 2015
@@ -0,0 +1,198 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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+ Apache Camel: Grape
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+<a href="index.html">Apache Camel</a> > <a href="documentation.html">Documentation</a> > <a href="components.html">Components</a> > <a href="grape.html">Grape</a>
+ </div>
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+<div id="site-quicklinks"><p><a shape="rect" href="download.html">Download</a> | <a shape="rect" href="javadoc.html">JavaDoc</a> | <a shape="rect" href="source.html">Source</a> | <a shape="rect" href="discussion-forums.html">Forums</a> | <a shape="rect" href="support.html">Support</a></p></div>
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+<div class="wiki-content maincontent"><h2 id="Grape-GrapeComponent">Grape Component</h2><p> </p> <div class="aui-message hint shadowed information-macro">
+ <span class="aui-icon icon-hint">Icon</span>
+ <div class="message-content">
+ <p>Available as of Camel 2.16<span style="line-height: 1.4285715;"> </span></p>
+ </div>
+ </div>
+<p><a shape="rect" class="external-link" href="http://docs.groovy-lang.org/latest/html/documentation/grape.html" rel="nofollow">Grape</a> component allows you to fetch, load and manage additional jars when <code>CamelContext</code> is running. In practice with Camel Grape component you can add new components, data formats and beans to your <code>CamelContext</code> without the restart of the router. Grape component supports only producer endpoints.</p><h3 id="Grape-Settingupclassloader">Setting up class loader</h3><p>Grape requires using Groovy class loader with CamelContext. You can enable Groovy class loading on the existing Camel Context using the <code>GrapeComponent#grapeCamelContext()</code> method:</p><p> </p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+<script class="theme: Default; brush: java; gutter: false" type="syntaxhighlighter"><![CDATA[CamelContext camelContext = grapeCamelContext(new DefaultCamelContext());]]></script>
+</div></div><p> You can also set up the Groovy class loader by yourself:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+<script class="theme: Default; brush: java; gutter: false" type="syntaxhighlighter"><![CDATA[camelContext.setApplicationContextClassLoader(new GroovyClassLoader(myClassLoader));]]></script>
+</div></div><h3 id="Grape-URIformat"><span>URI format</span></h3><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+<script class="theme: Default; brush: java; gutter: false" type="syntaxhighlighter"><![CDATA[grape:defaultMavenCoordinates[?options]
+]]></script>
+</div></div><p><span style="line-height: 1.4285715;">For example the following snippet loads Camel FTP component:</span></p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+<script class="theme: Default; brush: java; gutter: false" type="syntaxhighlighter"><![CDATA[from("direct:loadCamelFTP").
+ to("grape:org.apache.camel/camel-ftp/2.15.2");]]></script>
+</div></div><p>You can also specify the Maven coordinates by sending them to the endpoint as the exchange body:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+<script class="theme: Default; brush: java; gutter: false" type="syntaxhighlighter"><![CDATA[from("direct:loadCamelFTP").
+ setBody().constant("org.apache.camel/camel-ftp/2.15.2").
+ to("grape:defaultMavenCoordinates");]]></script>
+</div></div><h3 id="Grape-AddingtheGrapecomponenttotheproject">Adding the Grape component to the project</h3><p>Maven users will need to add the following dependency to their <code>pom.xml</code> for this component:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+<script class="theme: Default; brush: xml; gutter: false" type="syntaxhighlighter"><![CDATA[<dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-grape</artifactId>
+ <version>x.y.z</version>
+ <!-- use the same version as your Camel core version -->
+</dependency>]]></script>
+</div></div><h3 id="Grape-Defaultpayloadtype"><span style="line-height: 1.5625;font-size: 16.0px;">Default payload type</span></h3><p><span style="line-height: 1.4285715;">By default Camel Grape component operates on the String payloads:</span></p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+<script class="theme: Default; brush: java; gutter: false" type="syntaxhighlighter"><![CDATA[producerTemplate.sendBody("grape:defaultMavenCoordinates", "org.apache.camel/camel-ftp/2.15.2");]]></script>
+</div></div><p>But of course Camel build-in <a shape="rect" href="type-converter.html">type conversion API</a> can perform the automatic data type transformations for you. In the example below Camel automatically converts binary payload into String:</p><p><span style="line-height: 1.4285715;"> </span></p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+<script class="theme: Default; brush: java; gutter: false" type="syntaxhighlighter"><![CDATA[producerTemplate.sendBody("grape:defaultMavenCoordinates", "org.apache.camel/camel-ftp/2.15.2".getBytes());]]></script>
+</div></div><h3 id="Grape-Headers">Headers</h3><p>The following headers are recognized by the Grape component:</p><div class="confluenceTableSmall"><div class="table-wrap"><table class="confluenceTable"><tbody><tr><th colspan="1" rowspan="1" class="confluenceTh"><p>Header</p></th><th colspan="1" rowspan="1" class="confluenceTh"><p>Java constant</p></th><th colspan="1" rowspan="1" class="confluenceTh">Endpoint type</th><th colspan="1" rowspan="1" class="confluenceTh">Value type</th><th colspan="1" rowspan="1" class="confluenceTh"><p>Description</p></th></tr><tr><td colspan="1" rowspan="1" class="confluenceTd"><code>CamelGrapeCommand</code></td><td colspan="1" rowspan="1" class="confluenceTd"><code><span>GrapeConstants.</span><span>GRAPE_COMMAND</span></code></td><td colspan="1" rowspan="1" class="confluenceTd">Producer</td><td colspan="1" rowspan="1" class="confluenceTd"><code>org.apache.camel.component.grape.GrapeCommand</code></td><td colspan="1" rowspan="1" class="confluenceTd">Th
e command to be performed by the Grape endpoint. Default to <code>grab</code>.</td></tr></tbody></table></div></div><p> </p><h3 id="Grape-Loadingcomponentsatruntime">Loading components at runtime</h3><p>In order to load the new component at the router runtime, just grab the jar containing the component:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+<script class="theme: Default; brush: java; gutter: false" type="syntaxhighlighter"><![CDATA[ProducerTemplate template = camelContext.createProducerTemplate();
+template.sendBody("grape:grape", "org.apache.camel/camel-stream/2.15.2");
+template.sendBody("stream:out", "msg");]]></script>
+</div></div><h3 id="Grape-Loadingprocessorsbeanatruntime">Loading processors <span style="line-height: 1.5625;">bean</span><span style="line-height: 1.5625;"> at runtime</span></h3><p>In order to load the new processor bean  with your custom business login at the router runtime, just grab the jar containing the bean:</p><div class="code panel pdl" style="border-width: 1px;"><div class="codeContent panelContent pdl">
+<script class="theme: Default; brush: java; gutter: false" type="syntaxhighlighter"><![CDATA[ProducerTemplate template = camelContext.createProducerTemplate();
+template.sendBody("grape:grape", "com.example/my-business-processors/1.0");
+int productId = 1;
+int price = template.requestBody("bean:com.example.PricingBean?method=currentProductPrice', productId, int.class)]]></script>
+</div></div><p> </p><p></p><h3 id="Grape-SeeAlso">See Also</h3>
+<ul><li><a shape="rect" href="configuring-camel.html">Configuring Camel</a></li><li><a shape="rect" href="component.html">Component</a></li><li><a shape="rect" href="endpoint.html">Endpoint</a></li><li><a shape="rect" href="getting-started.html">Getting Started</a></li></ul></div>
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