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| <h2 title="Annotation Type PathParam" class="title">Annotation Type PathParam</h2> |
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| <pre>@Target(value={PARAMETER,METHOD,FIELD}) |
| @Retention(value=RUNTIME) |
| @Documented |
| public @interface <span class="memberNameLabel">PathParam</span></pre> |
| <div class="block">Binds the value of a URI template parameter or a path segment containing the template parameter to a resource method |
| parameter, resource class field, or resource class bean property. The value is URL decoded unless this is disabled |
| using the <a href="../../../jakarta/ws/rs/Encoded.html" title="annotation in jakarta.ws.rs"><code>@Encoded</code></a> annotation. A default value can be specified using the <a href="../../../jakarta/ws/rs/DefaultValue.html" title="annotation in jakarta.ws.rs"><code>@DefaultValue</code></a> annotation. |
| |
| The type of the annotated parameter, field or property must either: |
| <ul> |
| <li>Be <a href="../../../jakarta/ws/rs/core/PathSegment.html" title="interface in jakarta.ws.rs.core"><code>PathSegment</code></a>, the value will be the final segment of the matching part of the path. |
| See <a href="../../../jakarta/ws/rs/core/UriInfo.html" title="interface in jakarta.ws.rs.core"><code>UriInfo</code></a> for a means of retrieving all request path segments.</li> |
| <li>Be <code>List<jakarta.ws.rs.core.PathSegment></code>, the value will be a list of <code>PathSegment</code> corresponding to |
| the path segment(s) that matched the named template parameter. See <a href="../../../jakarta/ws/rs/core/UriInfo.html" title="interface in jakarta.ws.rs.core"><code>UriInfo</code></a> for a means of |
| retrieving all request path segments.</li> |
| <li>Be a primitive type.</li> |
| <li>Have a constructor that accepts a single String argument.</li> |
| <li>Have a static method named <code>valueOf</code> or <code>fromString</code> that accepts a single String argument (see, for |
| example, <code>Integer.valueOf(String)</code>).</li> |
| <li>Have a registered implementation of <a href="../../../jakarta/ws/rs/ext/ParamConverterProvider.html" title="interface in jakarta.ws.rs.ext"><code>ParamConverterProvider</code></a> JAX-RS extension SPI that |
| returns a <a href="../../../jakarta/ws/rs/ext/ParamConverter.html" title="interface in jakarta.ws.rs.ext"><code>ParamConverter</code></a> instance capable of a "from string" conversion for the type.</li> |
| </ul> |
| |
| <p> |
| The injected value corresponds to the latest use (in terms of scope) of the path parameter. E.g. if a class and a |
| sub-resource method are both annotated with a <a href="../../../jakarta/ws/rs/Path.html" title="annotation in jakarta.ws.rs"><code>@Path</code></a> containing the same URI template parameter, use |
| of <code>@PathParam</code> on a sub-resource method parameter will bind the value matching URI template parameter in the |
| method's <code>@Path</code> annotation. |
| </p> |
| |
| <p> |
| Because injection occurs at object creation time, use of this annotation on resource class fields and bean properties |
| is only supported for the default per-request resource class lifecycle. Resource classes using other lifecycles |
| should only use this annotation on resource method parameters. |
| </p></div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>1.0</dd> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../jakarta/ws/rs/Encoded.html" title="annotation in jakarta.ws.rs"><code>@Encoded</code></a>, |
| <a href="../../../jakarta/ws/rs/DefaultValue.html" title="annotation in jakarta.ws.rs"><code>@DefaultValue</code></a>, |
| <a href="../../../jakarta/ws/rs/core/PathSegment.html" title="interface in jakarta.ws.rs.core"><code>PathSegment</code></a>, |
| <a href="../../../jakarta/ws/rs/core/UriInfo.html" title="interface in jakarta.ws.rs.core"><code>UriInfo</code></a></dd> |
| <dt><span class="simpleTagLabel">Examples (en):</span></dt> |
| <dd><a href="../../../../../../tomee-9.0/examples/tomee-jersey-eclipselink.html">tomee-jersey-eclipselink</a>, <a href="../../../../../../tomee-9.0/examples/security-tomcat-user-identitystore.html">security-tomcat-user-identitystore</a>, <a href="../../../../../../tomee-9.0/examples/rest-on-ejb.html">rest-on-ejb</a>, <a href="../../../../../../tomee-9.0/examples/rest-example.html">rest-example</a>, <a href="../../../../../../tomee-9.0/examples/polling-parent.html">polling-parent</a>, <a href="../../../../../../tomee-9.0/examples/mvc-cxf.html">mvc-cxf</a>, <a href="../../../../../../tomee-9.0/examples/mvc-cxf-hibernate.html">mvc-cxf-hibernate</a>, <a href="../../../../../../tomee-9.0/examples/mp-jwt-bean-validation.html">mp-jwt-bean-validation</a>, <a href="../../../../../../tomee-9.0/examples/moviefun-rest.html">moviefun-rest</a>, <a href="../../../../../../tomee-9.0/examples/jaxrs-filter.html">jaxrs-filter</a>, <a href="../../../../../../tomee-9.0/examples/cloud-tomee-azure.html">cloud-tomee-azure</a></dd> |
| <dt><span class="simpleTagLabel">Examples (es):</span></dt> |
| <dd><a href="../../../../../../tomee-9.0/es/examples/polling-parent.html">polling-parent</a>, <a href="../../../../../../tomee-9.0/es/examples/mp-jwt-bean-validation.html">mp-jwt-bean-validation</a></dd> |
| <dt><span class="simpleTagLabel">Examples (pt):</span></dt> |
| <dd><a href="../../../../../../tomee-9.0/pt/examples/tomee-jersey-eclipselink.html">tomee-jersey-eclipselink</a>, <a href="../../../../../../tomee-9.0/pt/examples/polling-parent.html">polling-parent</a>, <a href="../../../../../../tomee-9.0/pt/examples/mvc-cxf-hibernate.html">mvc-cxf-hibernate</a>, <a href="../../../../../../tomee-9.0/pt/examples/mp-jwt-bean-validation.html">mp-jwt-bean-validation</a>, <a href="../../../../../../tomee-9.0/pt/examples/moviefun-rest.html">moviefun-rest</a>, <a href="../../../../../../tomee-9.0/pt/examples/jaxrs-filter.html">jaxrs-filter</a>, <a href="../../../../../../tomee-9.0/pt/examples/cloud-tomee-azure.html">cloud-tomee-azure</a></dd> |
| </dl> |
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| <h3>Required Element Summary</h3> |
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| <caption><span>Required Elements</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Required Element and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>java.lang.String</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../jakarta/ws/rs/PathParam.html#value--">value</a></span></code> |
| <div class="block">Defines the name of the URI template parameter whose value will be used to initialize the value of the annotated |
| method parameter, class field or property.</div> |
| </td> |
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| <h4>value</h4> |
| <pre>public abstract java.lang.String value</pre> |
| <div class="block">Defines the name of the URI template parameter whose value will be used to initialize the value of the annotated |
| method parameter, class field or property. See <a href="../../../jakarta/ws/rs/Path.html#value--"><code>Path.value()</code></a> for a description of the syntax of template |
| parameters. |
| |
| <p> |
| E.g. a class annotated with: <code>@Path("widgets/{id}")</code> can have methods annotated whose arguments are annotated |
| with <code>@PathParam("id")</code>.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>resource URI template parameter name.</dd> |
| </dl> |
| </li> |
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