UriResponse.java

/* 
 * 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 org.esigate.test.conn;

import java.util.HashMap;
import java.util.Map;

import org.apache.http.HttpRequest;
import org.apache.http.HttpResponse;

/**
 * 
 * A response handler, which returns different HTTP reponses according to the requested URI.
 * 
 * Sends IllegalStateException if no reponse has been defined for the requested uri.
 * 
 * @author Nicolas Richeton
 * 
 */
public class UriResponse implements IResponseHandler {
    private Map<String, HttpResponse> responses = new HashMap<>();

    @Override
    public HttpResponse execute(HttpRequest request) {
        String uri = request.getRequestLine().getUri();
        HttpResponse result = this.responses.get(uri);
        if (result == null) {
            throw new IllegalStateException("No response for uri: " + uri);
        }
        return result;
    }

    /**
     * Add a Http reponse.
     * 
     * <p>
     * 
     * <pre>
     * response("http://host/path1", httpResponse)
     * </pre>
     * 
     * @param uri
     *            Full uri including protocol, host, port if any, path and query params.
     * 
     * 
     * @param response
     * @return this object
     */
    public UriResponse response(String uri, HttpResponse response) {
        this.responses.put(uri, response);
        return this;
    }

}