/**
* 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.parse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.nutch.util.NutchConfiguration;
import org.apache.nutch.crawl.CrawlDatum;
import org.apache.hadoop.io.Text;
import org.apache.nutch.parse.ParseUtil;
import org.apache.nutch.protocol.ProtocolFactory;
import org.apache.nutch.protocol.Protocol;
import org.apache.nutch.protocol.Content;
/**
* Parser checker, useful for testing parser.
*
* @author John Xing
*/
public class ParserChecker {
public static final Log LOG = LogFactory.getLog(ParserChecker.class);
public ParserChecker() {}
public static void main(String[] args) throws Exception {
boolean dumpText = false;
boolean force = false;
String contentType = null;
String url = null;
String usage = "Usage: ParserChecker [-dumpText] [-forceAs mimeType] url";
if (args.length == 0) {
System.err.println(usage);
System.exit(-1);
}
for (int i = 0; i < args.length; i++) {
if (args[i].equals("-forceAs")) {
force = true;
contentType = args[++i];
} else if (args[i].equals("-dumpText")) {
dumpText = true;
} else if (i != args.length-1) {
System.err.println(usage);
System.exit(-1);
} else {
url = args[i];
}
}
if (LOG.isInfoEnabled()) { LOG.info("fetching: "+url); }
Configuration conf = NutchConfiguration.create();
ProtocolFactory factory = new ProtocolFactory(conf);
Protocol protocol = factory.getProtocol(url);
Content content = protocol.getProtocolOutput(new Text(url), new CrawlDatum()).getContent();
if (force) {
content.setContentType(contentType);
} else {
contentType = content.getContentType();
}
if (contentType == null) {
System.err.println("");
System.exit(-1);
}
if (LOG.isInfoEnabled()) {
LOG.info("parsing: "+url);
LOG.info("contentType: "+contentType);
}
Parse parse = new ParseUtil(conf).parse(content);
System.out.print("---------\nParseData\n---------\n");
System.out.print(parse.getData().toString());
if (dumpText) {
System.out.print("---------\nParseText\n---------\n");
System.out.print(parse.getText());
}
System.exit(0);
}
}