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 public interface PageRequest {
29 * Gets a page as an XML document.
30 * @param aUrl Url of the page.
31 * @param aParams Additional parameters to supply.
32 * @param aClient Http client to use.
34 * @throws PageException In case of problems retrieving the page.
36 Document execute(String aUrl, NameValuePair[] aParams, HttpClient aClient) throws PageException;
39 * Overrides the Xslt to use. This is used when the transformed page specifies
40 * the page type explicitly for an action.
41 * @param aXslt Xslt to use.
43 void overrideXslt(String aXslt);