001: //rssDetector.java
002: //------------------------
003: //part of YaCy
004: //(C) by Michael Peter Christen; mc@anomic.de
005: //first published on http://www.anomic.de
006: //Frankfurt, Germany, 2005
007: //
008: //this file is contributed by Martin Thelian
009: //last major change: 16.05.2005
010: //
011: //This program is free software; you can redistribute it and/or modify
012: //it under the terms of the GNU General Public License as published by
013: //the Free Software Foundation; either version 2 of the License, or
014: //(at your option) any later version.
015: //
016: //This program is distributed in the hope that it will be useful,
017: //but WITHOUT ANY WARRANTY; without even the implied warranty of
018: //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
019: //GNU General Public License for more details.
020: //
021: //You should have received a copy of the GNU General Public License
022: //along with this program; if not, write to the Free Software
023: //Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024: //
025: //Using this software in any meaning (reading, learning, copying, compiling,
026: //running) means that you agree that the Author(s) is (are) not responsible
027: //for cost, loss of data or any harm that may be caused directly or indirectly
028: //by usage of this softare or this documentation. The usage of this software
029: //is on your own risk. The installation and usage (starting/running) of this
030: //software may allow other people or application to access your computer and
031: //any attached devices and is highly dependent on the configuration of the
032: //software which must be done by the user of the software; the author(s) is
033: //(are) also not responsible for proper configuration and usage of the
034: //software, even if provoked by documentation provided together with
035: //the software.
036: //
037: //Any changes to this file according to the GPL as documented in the file
038: //gpl.txt aside this file in the shipment you received can be done to the
039: //lines that follows this copyright notice here, but changes must not be
040: //done inside the copyright notive above. A re-distribution must contain
041: //the intact and unchanged copyright notice.
042: //Contributions and changes to the program code must be marked as such.
043:
044: package de.anomic.plasma.parser.mimeType;
045:
046: import java.io.ByteArrayInputStream;
047: import java.io.File;
048: import java.io.FileInputStream;
049: import java.io.InputStream;
050: import java.util.Map;
051:
052: import net.sf.jmimemagic.MagicDetector;
053:
054: public class rssDetector implements MagicDetector {
055:
056: public String getDisplayName() {
057: return "RSS MimeType Detector";
058: }
059:
060: public String[] getHandledExtensions() {
061: return new String[] { "xml", "rss", "rdf", "atom" };
062: }
063:
064: public String[] getHandledTypes() {
065: return new String[] { "text/rss", "application/rdf+xml",
066: "application/rss+xml", "application/atom+xml" };
067: }
068:
069: public String getName() {
070: return "rssfiledetector";
071: }
072:
073: public String getVersion() {
074: return "0.1";
075: }
076:
077: @SuppressWarnings("unchecked")
078: public String[] process(File file, int offset, int length,
079: long bitmask, char comparator, String mimeType, Map params) {
080: FileInputStream fileInput = null;
081: try {
082: fileInput = new FileInputStream(file);
083: return detect(fileInput);
084: } catch (Exception e) {
085: return null;
086: } finally {
087: if (fileInput != null)
088: try {
089: fileInput.close();
090: } catch (Exception e) { /* ignore this */
091: }
092: }
093: }
094:
095: @SuppressWarnings("unchecked")
096: public String[] process(byte[] data, int offset, int length,
097: long bitmask, char comparator, String mimeType, Map params) {
098: ByteArrayInputStream input = new ByteArrayInputStream(data);
099: return detect(input);
100: }
101:
102: private String[] detect(InputStream input) {
103: return new String[] { "application/rss+xml" };
104: }
105:
106: }
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