2 * Copyright 2005 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.wamblee.crawler;
19 import org.apache.commons.httpclient.HttpClient;
20 import org.apache.commons.httpclient.NameValuePair;
21 import org.w3c.dom.Document;
24 * Represents a specific request to obtain and transform a page.
26 * @author Erik Brakkee
28 public interface PageRequest {
31 * Gets a page as an XML document.
32 * @param aUrl Url of the page.
33 * @param aParams Additional parameters to supply.
34 * @param aClient Http client to use.
36 * @throws PageException In case of problems retrieving the page.
38 Document execute(String aUrl, NameValuePair[] aParams, HttpClient aClient) throws PageException;
41 * Overrides the Xslt to use. This is used when the transformed page specifies
42 * the page type explicitly for an action.
43 * @param aXslt Xslt to use.
45 void overrideXslt(String aXslt);