/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.nutch.util;
import java.io.IOException;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.nutch.crawl.URLWebPage;
import org.apache.nutch.storage.Mark;
import org.apache.nutch.storage.WebPage;
import org.apache.gora.query.Query;
import org.apache.gora.query.Result;
import org.apache.gora.store.DataStore;
import org.mortbay.jetty.Handler;
import org.mortbay.jetty.Server;
import org.mortbay.jetty.handler.DefaultHandler;
import org.mortbay.jetty.handler.HandlerList;
import org.mortbay.jetty.handler.ResourceHandler;
public class CrawlTestUtil {
private static final Logger LOG = LoggerFactory.getLogger(CrawlTestUtil.class);
/**
* For now we need to manually construct our Configuration, because we need to
* override the default one and it is currently not possible to use
* dynamically set values.
*
* @return
* @deprecated Use {@link #createConfiguration()} instead
*/
@Deprecated
public static Configuration create() {
return createConfiguration();
}
/**
* For now we need to manually construct our Configuration, because we need to
* override the default one and it is currently not possible to use
* dynamically set values.
*
* @return
*/
public static Configuration createConfiguration() {
Configuration conf = new Configuration();
conf.addResource("nutch-default.xml");
conf.addResource("nutch-site.xml");
conf.addResource("crawl-tests.xml");
return conf;
}
/**
* Generate seedlist
*
* @see TestInjector
* @throws IOException
*/
public static void generateSeedList(FileSystem fs, Path urlPath,
List<String> contents) throws IOException {
FSDataOutputStream out;
Path file = new Path(urlPath, "urls.txt");
fs.mkdirs(urlPath);
out = fs.create(file);
Iterator<String> iterator = contents.iterator();
while (iterator.hasNext()) {
String url = iterator.next();
out.writeBytes(url);
out.writeBytes("\n");
}
out.flush();
out.close();
}
/**
* Read entries from a data store
*
* @return list of matching {@link URLWebPage} objects
* @throws IOException
*/
public static ArrayList<URLWebPage> readContents(DataStore<String,WebPage> store,
Mark requiredMark, String... fields) throws IOException {
ArrayList<URLWebPage> l = new ArrayList<URLWebPage>();
Query<String, WebPage> query = store.newQuery();
if (fields != null) {
query.setFields(fields);
}
Result<String, WebPage> results = store.execute(query);
while (results.next()) {
WebPage page = results.get();
String url = results.getKey();
if (page == null)
continue;
if (requiredMark != null && requiredMark.checkMark(page) == null)
continue;
l.add(new URLWebPage(TableUtil.unreverseUrl(url), (WebPage)page.clone()));
}
return l;
}
/**
* Creates a new JettyServer with one static root context
*
* @param port
* port to listen to
* @param staticContent
* folder where static content lives
* @throws UnknownHostException
*/
public static Server getServer(int port, String staticContent)
throws UnknownHostException {
Server webServer = new org.mortbay.jetty.Server(port);
ResourceHandler handler = new ResourceHandler();
handler.setResourceBase(staticContent);
HandlerList handlers = new HandlerList();
handlers.setHandlers(new Handler[]{handler, new DefaultHandler()});
webServer.setHandler(handlers);
return webServer;
}
}