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Apache License
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/* * Copyright (C) 2013 the diamond:dogs|group *//from ww w .j a v a2s .c o m * 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 at.diamonddogs.example.http.processor; import java.util.ArrayList; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.w3c.dom.Document; import org.w3c.dom.NodeList; import at.diamonddogs.example.http.dataobject.WebComic; import at.diamonddogs.service.processor.XMLProcessor; /** * Parses the RSS feed of a webcomic and returns an instance of {@link WebComic} * containing all image urls */ public class WebComicProcessor extends XMLProcessor<WebComic> { private static final Logger LOGGER = LoggerFactory.getLogger(WebComicProcessor.class.getSimpleName()); public static final int ID = 12581751; private static final String IMAGE_URL_REGEX = ".*<img src=\"(.*?)\".*"; private static final Pattern IMAGE_URL_PATTERN = Pattern.compile(IMAGE_URL_REGEX); /** * Parses news post titles only */ @Override protected WebComic parse(Document inputObject) { NodeList nodeList = inputObject.getElementsByTagName("content:encoded"); WebComic ret = new WebComic(); ArrayList<String> urls = new ArrayList<String>(); for (int i = 0; i < nodeList.getLength(); i++) { String content = nodeList.item(i).getTextContent(); Matcher m = IMAGE_URL_PATTERN.matcher(content); if (m.find()) { String url = m.group(1); LOGGER.error("Adding url " + url); urls.add(url); } } ret.setImagePaths(urls); return ret; } /** * {@inheritDoc} */ @Override public int getProcessorID() { return ID; } }