/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* http://www.opensource.org/licenses/cddl1.php
* See the License for the specific language governing
* permissions and limitations under the License.
*/
/*
* UriInfo.java
*
* Created on April 13, 2007, 2:55 PM
*
*/
package javax.ws.rs.core;
import java.net.URI;
import java.util.List;
/**
* An injectable interface that provides access to application and request
* URI information. Relative URIs are relative to the base URI of the
* application, see {@link #getBaseUri}.
*
* <p>All methods throw <code>java.lang.IllegalStateException</code>
* if called outside the scope of a request (e.g. from a provider constructor).</p>
*
* @see Context
*/
public interface UriInfo {
/**
* Get the path of the current request relative to the base URI as
* a string. All sequences of escaped octets are decoded, equivalent to
* <code>getPath(true)</code>.
*
* @return the relative URI path
* @throws java.lang.IllegalStateException if called outside the scope of a request
*/
public String getPath();
/**
* Get the path of the current request relative to the base URI as
* a string.
*
* @param decode controls whether sequences of escaped octets are decoded
* (true) or not (false).
* @return the relative URI path
* @throws java.lang.IllegalStateException if called outside the scope of a request
*/
public String getPath(boolean decode);
/**
* Get the path of the current request relative to the base URI as a
* list of {@link PathSegment}. This method is useful when the
* path needs to be parsed, particularly when matrix parameters may be
* present in the path. All sequences of escaped octets in path segments
* and matrix parameter values are decoded,
* equivalent to <code>getPathSegments(true)</code>.
* @return an unmodifiable list of {@link PathSegment}. The matrix parameter
* map of each path segment is also unmodifiable.
* @throws java.lang.IllegalStateException if called outside the scope of a request
* @see PathSegment
* @see <a href="http://www.w3.org/DesignIssues/MatrixURIs.html">Matrix URIs</a>
*/
public List<PathSegment> getPathSegments();
/**
* Get the path of the current request relative to the base URI as a
* list of {@link PathSegment}. This method is useful when the
* path needs to be parsed, particularly when matrix parameters may be
* present in the path.
* @param decode controls whether sequences of escaped octets in path segments
* and matrix parameter values are decoded (true) or not (false).
* @return an unmodifiable list of {@link PathSegment}. The matrix parameter
* map of each path segment is also unmodifiable.
* @throws java.lang.IllegalStateException if called outside the scope of a request
* @see PathSegment
* @see <a href="http://www.w3.org/DesignIssues/MatrixURIs.html">Matrix URIs</a>
*/
public List<PathSegment> getPathSegments(boolean decode);
/**
* Get the absolute request URI including any query parameters.
* @return the absolute request URI
* @throws java.lang.IllegalStateException if called outside the scope of a request
*/
public URI getRequestUri();
/**
* Get the absolute request URI in the form of a UriBuilder.
* @return a UriBuilder initialized with the absolute request URI
* @throws java.lang.IllegalStateException if called outside the scope of a request
*/
public UriBuilder getRequestUriBuilder();
/**
* Get the absolute path of the request. This includes everything preceding
* the path (host, port etc) but excludes query parameters.
* This is a shortcut for
* <code>uriInfo.getBase().resolve(uriInfo.getPath()).</code>
* @return the absolute path of the request
* @throws java.lang.IllegalStateException if called outside the scope of a request
*/
public URI getAbsolutePath();
/**
* Get the absolute path of the request in the form of a UriBuilder.
* This includes everything preceding the path (host, port etc) but excludes
* query parameters.
* @return a UriBuilder initialized with the absolute path of the request
* @throws java.lang.IllegalStateException if called outside the scope of a request
*/
public UriBuilder getAbsolutePathBuilder();
/**
* Get the base URI of the application. URIs of root resource classes
* are all relative to this base URI.
* @return the base URI of the application
*/
public URI getBaseUri();
/**
* Get the base URI of the application in the form of a UriBuilder.
* @return a UriBuilder initialized with the base URI of the application.
*/
public UriBuilder getBaseUriBuilder();
/**
* Get the values of any embedded URI template parameters.
* All sequences of escaped octets are decoded,
* equivalent to <code>getPathParameters(true)</code>.
* @return an unmodifiable map of parameter names and values
* @throws java.lang.IllegalStateException if called outside the scope of a request
* @see javax.ws.rs.Path
* @see javax.ws.rs.PathParam
*/
public MultivaluedMap<String, String> getPathParameters();
/**
* Get the values of any embedded URI template parameters.
*
* @param decode controls whether sequences of escaped octets are decoded
* (true) or not (false).
* @return an unmodifiable map of parameter names and values
* @throws java.lang.IllegalStateException if called outside the scope of a request
* @see javax.ws.rs.Path
* @see javax.ws.rs.PathParam
*/
public MultivaluedMap<String, String> getPathParameters(boolean decode);
/**
* Get the URI query parameters of the current request.
* The map keys are the names of the query parameters with any
* escaped characters decoded.
* All sequences of escaped octets in parameter values are decoded,
* equivalent to <code>getQueryParameters(true)</code>.
* @return an unmodifiable map of query parameter names and values
* @throws java.lang.IllegalStateException if called outside the scope of a request
*/
public MultivaluedMap<String, String> getQueryParameters();
/**
* Get the URI query parameters of the current request.
* The map keys are the names of the query parameters with any
* escaped characters decoded.
* @param decode controls whether sequences of escaped octets in parameter
* values are decoded (true) or not (false).
* @return an unmodifiable map of query parameter names and values
* @throws java.lang.IllegalStateException if called outside the scope of a request
*/
public MultivaluedMap<String, String> getQueryParameters(boolean decode);
/**
* Get a read-only list of URIs for matched resources. Each entry is a
* relative URI that matched a resource class, a
* sub-resource method or a sub-resource locator. All sequences of escaped
* octets are decoded, equivalent to {@code getMatchedURIs(true)}.
* Entries do not include query parameters but do include matrix parameters
* if present in the request URI. Entries are ordered in reverse request
* URI matching order, with the current resource URI first. E.g. given the
* following resource classes:
*
* <pre>@Path("foo")
*public class FooResource {
* @GET
* public String getFoo() {...}
*
* @Path("bar")
* public BarResource getBarResource() {...}
*}
*
*public class BarResource {
* @GET
* public String getBar() {...}
*}
* </pre>
*
* <p>The values returned by this method based on request uri and where
* the method is called from are:</p>
*
* <table border="1">
* <tr>
* <th>Request</th>
* <th>Called from</th>
* <th>Value(s)</th>
* </tr>
* <tr>
* <td>GET /foo</td>
* <td>FooResource.getFoo</td>
* <td>foo</td>
* </tr>
* <tr>
* <td>GET /foo/bar</td>
* <td>FooResource.getBarResource</td>
* <td>foo/bar, foo</td>
* </tr>
* <tr>
* <td>GET /foo/bar</td>
* <td>BarResource.getBar</td>
* <td>foo/bar, foo</td>
* </tr>
* </table>
*
*
* @return a read-only list of URI paths for matched resources.
*/
public List<String> getMatchedURIs();
/**
* Get a read-only list of URIs for matched resources. Each entry is a
* relative URI that matched a resource class, a sub-resource
* method or a sub-resource locator. Entries do not include query
* parameters but do include matrix parameters if present in the request URI.
* Entries are ordered in reverse request URI matching order, with the
* current resource URI first. See {@link #getMatchedURIs()} for an
* example.
*
* @param decode controls whether sequences of escaped octets are decoded
* (true) or not (false).
* @return a read-only list of URI paths for matched resources.
*/
public List<String> getMatchedURIs(boolean decode);
/**
* Get a read-only list of the currently matched resource class instances.
* Each entry is a resource class instance that matched the request URI
* either directly or via a sub-resource method or a sub-resource locator.
* Entries are ordered according to reverse request URI matching order,
* with the current resource first. E.g. given the following resource
* classes:
*
* <pre>@Path("foo")
*public class FooResource {
* @GET
* public String getFoo() {...}
*
* @Path("bar")
* public BarResource getBarResource() {...}
*}
*
*public class BarResource {
* @GET
* public String getBar() {...}
*}
* </pre>
*
* <p>The values returned by this method based on request uri and where
* the method is called from are:</p>
*
* <table border="1">
* <tr>
* <th>Request</th>
* <th>Called from</th>
* <th>Value(s)</th>
* </tr>
* <tr>
* <td>GET /foo</td>
* <td>FooResource.getFoo</td>
* <td>FooResource</td>
* </tr>
* <tr>
* <td>GET /foo/bar</td>
* <td>FooResource.getBarResource</td>
* <td>FooResource</td>
* </tr>
* <tr>
* <td>GET /foo/bar</td>
* <td>BarResource.getBar</td>
* <td>BarResource, FooResource</td>
* </tr>
* </table>
*
* @return a read-only list of matched resource class instances.
*/
public List<Object> getMatchedResources();
}
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