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/*
 * Copyright 2004-2005 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package grails.web.mapping;

import java.util.List;
import java.util.Map;
import java.util.Set;

import org.springframework.http.HttpMethod;

/**
 * Main entry point of Grails URL mapping mechanism. This interface defines methods to match
 * URLs and create reverse mappings based on the UrlMapping instances the implementer contains.
 *
 * @author Graeme Rocher
 * @since 0.5
 */
public interface UrlMappingsHolder {

    String BEAN_ID = "grailsUrlMappingsHolder";

    /**
     * Retrieves the held UrlMapping instances as an array
     *
     * @return An array of UrlMapping instances
     */
    UrlMapping[] getUrlMappings();

    /**
     * Retrieves the held Exclude Pattern instances as a list, could be null if there is no exclude
     *
     * @return An list of String
     */
    @SuppressWarnings("rawtypes")
    List getExcludePatterns();

    /**
     * Retrieves the best guess of a URI for the given controller, action and parameters
     *
     * @param controller The name of the controller
     * @param action The name of the action or null
     * @param pluginName the name of the plugin which provides the controller
     * @param params The parameters or null
     * @return A URI for the given arguments
     */
    @SuppressWarnings("rawtypes")
    UrlCreator getReverseMapping(String controller, String action, String pluginName, Map params);

    /**
     * Retrieves the best guess of a URI for the given controller, action and parameters
     *
     * @param controller The name of the controller
     * @param action The name of the action or null
     * @param namespace The controller namespace
     * @param pluginName the name of the plugin which provides the controller
     * @param httpMethod The HTTP method to reverse map
     * @param params The parameters or null
     * @return A URI for the given arguments
     */
    @SuppressWarnings("rawtypes")
    UrlCreator getReverseMapping(String controller, String action, String namespace, String pluginName, String httpMethod, Map params);

    /**
     * Retrieves the best guess of a URI for the given controller, action and parameters
     *
     * @param controller The name of the controller
     * @param action The name of the action or null
     * @param namespace The controller namespace
     * @param pluginName the name of the plugin which provides the controller
     * @param httpMethod The HTTP method to reverse map
     * @param version The version of the mapping
     * @param params The parameters or null
     * @return A URI for the given arguments
     */
    @SuppressWarnings("rawtypes")
    UrlCreator getReverseMapping(String controller, String action, String namespace, String pluginName, String httpMethod, String version, Map params);

    /**
     * Retrieves the best guess of a URI for the given controller, action and parameters
     *
     * @param controller The name of the controller
     * @param action The name of the action or null
     * @param namespace The controller namespace or null
     * @param pluginName the name of the plugin which provides the controller
     * @param params The parameters or null
     * @return A URI for the given arguments
     */
    @SuppressWarnings("rawtypes")
    UrlCreator getReverseMapping(String controller, String action, String namespace, String pluginName, Map params);

    /**
     * Retrieves the best guess of a URI for the given controller, action and parameters
     *
     * @param controller The name of the controller
     * @param action The name of the action or null
     * @param params The parameters or null
     * @return A URI for the given arguments
     */
    @SuppressWarnings("rawtypes")
    UrlCreator getReverseMapping(String controller, String action, Map params);

    /**
     * Retrieves the best guess of a URI for the given controller, action and parameters or null if non could be found.
     *
     * @param controller The name of the controller
     * @param action The name of the action or null
     * @param params The parameters or null
     * @return A URI for the given arguments
     */
    @SuppressWarnings("rawtypes")
    UrlCreator getReverseMappingNoDefault(String controller, String action, Map params);

    /**
     * Retrieves the best guess of a URI for the given controller, action and parameters or null if non could be found.
     *
     * @param controller The name of the controller
     * @param action The name of the action or null
     * @param namespace The controller namespace or null
     * @param pluginName the name of the plugin which provides the controller
     * @param httpMethod the HTTP method
     * @param params The parameters or null
     * @return A URI for the given arguments
     */
    @SuppressWarnings("rawtypes")
    UrlCreator getReverseMappingNoDefault(String controller, String action, String namespace, String pluginName, String httpMethod, Map params);

    /**
     * Retrieves the best guess of a URI for the given controller, action and parameters or null if non could be found.
     *
     * @param controller The name of the controller
     * @param action The name of the action or null
     * @param namespace The controller namespace or null
     * @param pluginName the name of the plugin which provides the controller
     * @param httpMethod the HTTP method
     * @param params The parameters or null
     * @return A URI for the given arguments
     */
    @SuppressWarnings("rawtypes")
    UrlCreator getReverseMappingNoDefault(String controller, String action, String namespace, String pluginName, String httpMethod, String version, Map params);
    /**
     * Match and return the first UrlMappingInfo instance possible
     *
     * @param uri The URI to match
     * @return A UrlMappingInfo or null
     */
    UrlMappingInfo match(String uri);

    /**
     * Matches all possible UrlMappingInfo instances to the given URI and returns them all
     *
     * @param uri The URI to match
     * @return An array of 0 or many UrlMappngInfo instances
     */
    UrlMappingInfo[] matchAll(String uri);

    /**
     * Match all possible UrlMappingInfo instances to the given URI and HTTP method
     *
     * @param uri The URI to match
     * @param httpMethod The HTTP method (GET,POST,PUT,DELETE etc.)
     * @return An array of 0 or many UrlMappingInfo instances
     */
    UrlMappingInfo[] matchAll(String uri, String httpMethod);

    /**
     * Match all possible UrlMappingInfo instances to the given URI and HTTP method
     *
     * @param uri The URI to match
     * @param httpMethod The HTTP method (GET,POST,PUT,DELETE etc.)
     * @param version The version of the API
     * @return An array of 0 or many UrlMappingInfo instances
     *
     */
    UrlMappingInfo[] matchAll(String uri, String httpMethod, String version);


    /**
     * Match all possible UrlMappingInfo instances to the given URI and HTTP method
     *
     * @param uri The URI to match
     * @param httpMethod The HTTP method (GET,POST,PUT,DELETE etc.)
     * @return An array of 0 or many UrlMappingInfo instances
     */
    UrlMappingInfo[] matchAll(String uri, HttpMethod httpMethod);

    /**
     * Match all possible UrlMappingInfo instances to the given URI and HTTP method
     *
     * @param uri The URI to match
     * @param httpMethod The HTTP method (GET,POST,PUT,DELETE etc.)
     * @param version The version
     * @return An array of 0 or many UrlMappingInfo instances
     */
    UrlMappingInfo[] matchAll(String uri, HttpMethod httpMethod, String version);

    /**
     * Match and return the first UrlMappingInfo instance possible
     *
     * @param responseCode The responseCode to match
     * @return A UrlMappingInfo or null
     */
    UrlMappingInfo matchStatusCode(int responseCode);

    /**
     * Return the allowed HTTP methods for the given URI
     * @param uri The URI
     * @return The allowed methods
     */
    Set allowedMethods(String uri);

    /**
     * Match and return for first UrlMappingInfo for the give response code and exception
     *
     * @param responseCode The response code
     * @param e The exception
     * @return The UrlMappingInfo instance
     */
    UrlMappingInfo matchStatusCode(int responseCode, Throwable e);
}