THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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UrlRewrite
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Component
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Available
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as
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of
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Camel
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2.11
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The camel-urlrewrite
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component
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allows
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to
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plugin
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url
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rewrite
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functionality
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to
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,
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,
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,
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or
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components.
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This
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component
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integrates
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the
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project
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with
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Apache
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Camel.
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This
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allows
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you
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to
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use
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the
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capabilities
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from
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the
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url
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rewrite
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project
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with
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your
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Camel
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routes.
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This
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component
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requires
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that
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your
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Camel
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routes
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starts
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from
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a
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servlet
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based
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endpoint
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such
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as
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or
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.
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Options
The camel-urlrewrite
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component
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offers
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the
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following options
| Wiki Markup |
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options {div:class=confluenceTableSmall} || Name || Default Value || Description || | {{conf}} | {{null}} | To use a custom {{org.tuckey.web.filters.urlrewrite.Conf}} as the configuration for the url rewrite filter. | | {{configFile}} | {{null}} | Refers to a file name to load as the configuration file. The file should be XML file. | | {{modRewriteConfFile}} | {{null}} | Refers to a file name to load as the Apache mod_rewrite style based configuration file. This file should be a plain text file. | | {{modRewriteConfText}} | {{null}} | Is used to quickly configure a Apache mod_rewrite style based configuration without using a file. | | {{useQueryString}} | {{false}} | Whether to use query strings in the url rewrite rules. | | {{useContext}} | {{false}} | Whether to include context-path or not in the matching. Will be default remove the context-path. | | {{defaultMatchType}} | {{"regex"}} | Which match type to use. Can be either "wildcard" or "regex". | | {{decodeUsing}} | {{null}} | To use a specific encoding such as "utf-8" or "iso-8859-1". | {div} h3. Usage The following component producers supports using together with the {{camel-urlrewrite}} component: [Http], [Http4] and [Jetty]. |
Usage
The following component producers supports using together with the camel-urlrewrite component: Http, Http4 and Jetty.
| Wiki Markup |
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{div:class=confluenceTableSmall}
|| Component || Class ||
| {{camel-http}} | {{org.apache.camel.component.urlrewrite.http.HttpUrlRewrite}} |
| {{camel-jetty}} | {{org.apache.camel.component.urlrewrite.http.HttpUrlRewrite}} |
| {{camel-http4}} | {{org.apache.camel.component.urlrewrite.http4.HttpUrlRewrite}} |
{div}
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You
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setup
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the
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url
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rewrite
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as
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a
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bean
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of
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the
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type
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org.apache.camel.component.urlrewrite.http.HttpUrlRewrite
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(when
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using
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component)
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as
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shown
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below:
| Wiki Markup |
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{snippet:id=e1|lang=java|url=camel/trunk/components/camel-urlrewrite/src/test/java/org/apache/camel/component/urlrewrite/jetty/JettyUrlRewriteTest.java} |
And
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in
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XML
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DSL
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you
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can
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do:
| Code Block | ||||
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{code:xml} <bean id="myRewrite" class="org.apache.camel.component.urlrewrite.HttpUrlRewrite"> <property name="configFile" value="example/urlrewrite2.xml"/> </bean> {code} |
In
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the
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bean
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above
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we
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configure
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it
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with
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the
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configFile
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option
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which
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is
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a
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XML
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configuration
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file.
| Wiki Markup |
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{snippet:id=e1|lang=xml|url=camel/trunk/components/camel-urlrewrite/src/test/resources/example/urlrewrite2.xml} |
| Tip |
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See more details at UrlRewriteFilter for how to configure the XML rules file. |
In the Camel routes, you bridge the endpoints, and refer to the url rewrite on the producer endpoint as shown below. Notice how we refer to our url rewrite filter using the urlRewrite option in the endpoint uri.
| Wiki Markup |
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{tip} See more details at [UrlRewriteFilter|http://code.google.com/p/urlrewritefilter/] for how to configure the XML rules file. {tip} In the Camel routes, you bridge the endpoints, and refer to the url rewrite on the producer endpoint as shown below. Notice how we refer to our url rewrite filter using the {{urlRewrite}} option in the endpoint uri. {snippet:id=e2|lang=java|url=camel/trunk/components/camel-urlrewrite/src/test/java/org/apache/camel/component/urlrewrite/jetty/JettyUrlRewriteTest.java} h4. |
Using
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load
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balancing
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eip
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You
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can
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also
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use
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Camel's
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together
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with
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,
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as
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shown
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below.
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In
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this
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code
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we
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use
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the
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failover
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load
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balancer,
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to
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failover
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to
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the
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2nd
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endpoint
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(which
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goes
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to
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myapp3)
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in
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case
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of
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any
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exception
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thrown.
| Wiki Markup |
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{snippet:id=e1|lang=java|url=camel/trunk/components/camel-urlrewrite/src/test/java/org/apache/camel/component/urlrewrite/jetty/JettyUrlRewriteLoadBalanceFailoverTest.java} h4. Using Apache |
Using Apache mod_rewrite
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style
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configuration
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The
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project
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also
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supports
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Apache
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mod_rewrite
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style
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configuration.
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For
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example
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to
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configure
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the
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bean
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using
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the
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modRewriteConfFile
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property
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to
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refer
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to
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a
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mod
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configuration
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file:
| Code Block | ||||
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{code:xml} <bean id="myRewrite" class="org.apache.camel.component.urlrewrite.HttpUrlRewrite"> <property name="modRewriteConfFile" value="example/modrewrite.cxf"/> </bean> {code} |
Which
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then
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can
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contain
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mod
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rewrite
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rules
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and
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the
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likes:
| Wiki Markup |
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{snippet:e1|lang=none|url=camel/trunk/components/camel-urlrewrite/src/test/resources/example/modrewrite.cfg} |
You
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can
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have
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multiple
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RewriteRule
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rules
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and
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other
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configurations.
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See
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more
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details
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at
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project.
Writing custom url rewriters
You can implement your custom url rewriters by implementing either of the following interfaces from the component of choice:
Component(s):
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camel-http
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/
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camel-jetty
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org.apache.camel.component.http.UrlRewrite
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org.apache.camel.component.http.HttpServletUrlRewrite
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Component(s):
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camel-http4
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org.apache.camel.component.http4.UrlRewrite
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org.apache.camel.component.http4.HttpServletUrlRewrite
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The
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former
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is
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a
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simple
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and
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generic
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interface,
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which
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is
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not
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dependent
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on
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the
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Servlet
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API.
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The
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later
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is
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servlet
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based
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which
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requires
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the
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Camel
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route
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to
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start
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from
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a
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servlet
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based
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component
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such
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as
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...
or
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.
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The
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servlet
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based
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is
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more
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feature
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rich
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and
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that's
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the
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API
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we
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use
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to
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integrate
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with
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the
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project
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in
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this
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camel-urlrewrite
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component.
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A
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simple
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url
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rewrite
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filter
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In
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this
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example
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we
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implement
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a
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custom
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org.apache.camel.component.http.UrlRewrite
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that
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just
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replaces
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yahoo
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with
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google.
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Mind
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this
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example
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is
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based
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on
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a
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unit
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test,
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and
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only
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for
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demonstration
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purposes.
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As
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its
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java
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code
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you
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have
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full
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power
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to
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implement
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more
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complex
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logic.
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The
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url
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parameter
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contains
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the
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full
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url
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including
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scheme://hostname:port/path?query.
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The
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relativeUrl
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parameter
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is
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the
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url
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without
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the
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endpoint
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configured
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path.
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Notice
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this
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option
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may
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be
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null
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if
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the
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url
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doesn't
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start
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with
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the
...
endpoint
...
configured
...
path.
| Wiki Markup |
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{snippet:id=e1|lang=java|url=camel/trunk/components/camel-http/src/test/java/org/apache/camel/component/http/GoogleUrlRewrite.java} {include:Endpoint See Also} - [Jetty] - [Http4] - [Http] - [AHC] |
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