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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}.
*
* All methods throw {@code java.lang.IllegalStateException}
* if called outside the scope of a request (e.g. from a provider constructor).
*
* @author Paul Sandoz
* @author Marc Hadley
* @see Context
* @since 1.0
*/
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
* {@link #getPath(boolean) getPath(true)}.
*
* @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
* ({@code true}) or not ({@code 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)}.
*
* @return an unmodifiable list of {@link PathSegment}. The matrix parameter
* map of each path segment is also unmodifiable.
* @throws IllegalStateException if called outside the scope of a request
* @see PathSegment
* @see Matrix URIs
*/
public List 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 ({@code true}) or not ({@code 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 Matrix URIs
*/
public List 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.getBaseUri().resolve(uriInfo.getPath(false))}.
*
* @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
* {@link #getPathParameters(boolean) getPathParameters(true)}.
*
* @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 getPathParameters();
/**
* Get the values of any embedded URI template parameters.
*
* @param decode controls whether sequences of escaped octets are decoded
* ({@code true}) or not ({@code 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 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 names and values are decoded, equivalent to
* {@link #getQueryParameters(boolean) getQueryParameters(true)}.
*
* @return an unmodifiable map of query parameter names and values.
* @throws java.lang.IllegalStateException
* if called outside the scope of a
* request.
*/
public MultivaluedMap 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
* names and values are decoded ({@code true}) or not ({@code 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 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:
*
* @Path("foo")
* public class FooResource {
* @GET
* public String getFoo() {...}
*
* @Path("bar")
* public BarResource getBarResource() {...}
* }
*
* public class BarResource {
* @GET
* public String getBar() {...}
* }
*
*
* The values returned by this method based on request uri and where
* the method is called from are:
*
*
*
* Request
* Called from
* Value(s)
*
*
* GET /foo
* FooResource.getFoo
* foo
*
*
* GET /foo/bar
* FooResource.getBarResource
* foo/bar, foo
*
*
* GET /foo/bar
* BarResource.getBar
* foo/bar, foo
*
*
*
* In case the method is invoked prior to the request matching (e.g. from a
* pre-matching filter), the method returns an empty list.
*
* @return a read-only list of URI paths for matched resources.
*/
public List 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.
*
* In case the method is invoked prior to the request matching (e.g. from a
* pre-matching filter), the method returns an empty list.
*
* @param decode controls whether sequences of escaped octets are decoded
* ({@code true}) or not ({@code false}).
* @return a read-only list of URI paths for matched resources.
*/
public List 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:
*
* @Path("foo")
* public class FooResource {
* @GET
* public String getFoo() {...}
*
* @Path("bar")
* public BarResource getBarResource() {...}
* }
*
* public class BarResource {
* @GET
* public String getBar() {...}
* }
*
*
* The values returned by this method based on request uri and where
* the method is called from are:
*
*
*
* Request
* Called from
* Value(s)
*
*
* GET /foo
* FooResource.getFoo
* FooResource
*
*
* GET /foo/bar
* FooResource.getBarResource
* FooResource
*
*
* GET /foo/bar
* BarResource.getBar
* BarResource, FooResource
*
*
*
* In case the method is invoked prior to the request matching (e.g. from a
* pre-matching filter), the method returns an empty list.
*
* @return a read-only list of matched resource class instances.
*/
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