You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
262 lines
12 KiB
262 lines
12 KiB
//vcfParser.java
|
|
//------------------------
|
|
//part of YaCy
|
|
//(C) by Michael Peter Christen; mc@yacy.net
|
|
//first published on http://www.anomic.de
|
|
//Frankfurt, Germany, 2005
|
|
//
|
|
//this file is contributed by Martin Thelian
|
|
//
|
|
// $LastChangedDate$
|
|
// $LastChangedRevision$
|
|
// $LastChangedBy$
|
|
//
|
|
//This program is free software; you can redistribute it and/or modify
|
|
//it under the terms of the GNU General Public License as published by
|
|
//the Free Software Foundation; either version 2 of the License, or
|
|
//(at your option) any later version.
|
|
//
|
|
//This program is distributed in the hope that it will be useful,
|
|
//but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
//GNU General Public License for more details.
|
|
//
|
|
//You should have received a copy of the GNU General Public License
|
|
//along with this program; if not, write to the Free Software
|
|
//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
package net.yacy.document.parser;
|
|
|
|
import java.io.BufferedReader;
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.io.InputStreamReader;
|
|
import java.net.MalformedURLException;
|
|
import java.util.ArrayList;
|
|
import java.util.Date;
|
|
import java.util.HashMap;
|
|
import java.util.Iterator;
|
|
import java.util.LinkedList;
|
|
import java.util.List;
|
|
|
|
import net.yacy.cora.document.encoding.UTF8;
|
|
import net.yacy.cora.document.id.AnchorURL;
|
|
import net.yacy.cora.order.Base64Order;
|
|
import net.yacy.document.AbstractParser;
|
|
import net.yacy.document.Document;
|
|
import net.yacy.document.Parser;
|
|
|
|
/**
|
|
* Vcard specification: http://www.imc.org/pdi/vcard-21.txt
|
|
* @author theli
|
|
*
|
|
*/
|
|
public class vcfParser extends AbstractParser implements Parser {
|
|
|
|
public vcfParser() {
|
|
super("vCard Parser");
|
|
this.SUPPORTED_EXTENSIONS.add("vcf");
|
|
this.SUPPORTED_MIME_TYPES.add("text/x-vcard");
|
|
this.SUPPORTED_MIME_TYPES.add("application/vcard");
|
|
this.SUPPORTED_MIME_TYPES.add("application/x-versit");
|
|
this.SUPPORTED_MIME_TYPES.add("text/x-versit");
|
|
this.SUPPORTED_MIME_TYPES.add("text/x-vcalendar");
|
|
}
|
|
|
|
@Override
|
|
public Document[] parse(final AnchorURL url, final String mimeType, final String charset, final InputStream source)
|
|
throws Parser.Failure, InterruptedException {
|
|
|
|
try {
|
|
final StringBuilder parsedTitle = new StringBuilder();
|
|
final StringBuilder parsedDataText = new StringBuilder();
|
|
final HashMap<String, String> parsedData = new HashMap<String, String>();
|
|
final List<AnchorURL> anchors = new ArrayList<AnchorURL>();
|
|
final LinkedList<String> parsedNames = new LinkedList<String>();
|
|
|
|
boolean useLastLine = false;
|
|
int lineNr = 0;
|
|
String line = null;
|
|
final BufferedReader inputReader = (charset!=null)
|
|
? new BufferedReader(new InputStreamReader(source,charset))
|
|
: new BufferedReader(new InputStreamReader(source));
|
|
while (true) {
|
|
|
|
// get the next line
|
|
if (!useLastLine) {
|
|
line = inputReader.readLine();
|
|
} else {
|
|
useLastLine = false;
|
|
}
|
|
|
|
if (line == null) break;
|
|
else if (line.isEmpty()) continue;
|
|
|
|
lineNr++;
|
|
final int pos = line.indexOf(':',0);
|
|
if (pos != -1) {
|
|
final String key = line.substring(0,pos).trim().toUpperCase();
|
|
String value = line.substring(pos+1).trim();
|
|
|
|
String encoding = null;
|
|
final String[] keyParts = key.split(";");
|
|
if (keyParts.length > 1) {
|
|
for (final String keyPart : keyParts) {
|
|
if (keyPart.toUpperCase().startsWith("ENCODING")) {
|
|
encoding = keyPart.substring("ENCODING".length()+1);
|
|
} else if (keyPart.toUpperCase().startsWith("QUOTED-PRINTABLE")) {
|
|
encoding = "QUOTED-PRINTABLE";
|
|
} else if (keyPart.toUpperCase().startsWith("BASE64")) {
|
|
encoding = "BASE64";
|
|
}
|
|
|
|
}
|
|
if (encoding != null) {
|
|
try {
|
|
if (encoding.equalsIgnoreCase("QUOTED-PRINTABLE")) {
|
|
// if the value has multiple lines ...
|
|
if (line.endsWith("=")) {
|
|
do {
|
|
value = value.substring(0,value.length()-1);
|
|
line = inputReader.readLine();
|
|
if (line == null) break;
|
|
value += line;
|
|
} while (line.endsWith("="));
|
|
}
|
|
value = decodeQuotedPrintable(value);
|
|
} else if (encoding.equalsIgnoreCase("base64")) {
|
|
do {
|
|
line = inputReader.readLine();
|
|
if (line == null) break;
|
|
if (line.indexOf(':',0)!= -1) {
|
|
// we have detected an illegal block end of the base64 data
|
|
useLastLine = true;
|
|
}
|
|
if (!useLastLine) value += line.trim();
|
|
else break;
|
|
} while (line.length()!=0);
|
|
value = Base64Order.standardCoder.decodeString(value);
|
|
}
|
|
} catch (final Exception ey) {
|
|
// Encoding error: This could occure e.g. if the base64 doesn't
|
|
// end with an empty newline
|
|
//
|
|
// We can simply ignore it.
|
|
}
|
|
}
|
|
}
|
|
|
|
if (key.equalsIgnoreCase("END")) {
|
|
String name = null, title = null;
|
|
|
|
// using the name of the current version as section headline
|
|
if (parsedData.containsKey("FN")) {
|
|
parsedNames.add(name = parsedData.get("FN"));
|
|
} else if (parsedData.containsKey("N")) {
|
|
parsedNames.add(name = parsedData.get("N"));
|
|
} else {
|
|
parsedNames.add(name = "unknown name");
|
|
}
|
|
|
|
// getting the vcard title
|
|
if (parsedData.containsKey("TITLE")) {
|
|
parsedNames.add(title = parsedData.get("TITLE"));
|
|
}
|
|
|
|
if (parsedTitle.length() > 0) parsedTitle.append(", ");
|
|
parsedTitle.append((title==null)?name:name + " - " + title);
|
|
|
|
|
|
// looping through the properties and add there values to
|
|
// the text representation of the vCard
|
|
final Iterator<String> iter = parsedData.values().iterator();
|
|
while (iter.hasNext()) {
|
|
value = iter.next();
|
|
parsedDataText.append(value).append("\r\n");
|
|
}
|
|
parsedDataText.append("\r\n");
|
|
parsedData.clear();
|
|
} else if (key.toUpperCase().startsWith("URL")) {
|
|
try {
|
|
final AnchorURL newURL = new AnchorURL(value);
|
|
newURL.setNameProperty(newURL.toNormalform(false));
|
|
anchors.add(newURL);
|
|
//parsedData.put(key,value);
|
|
} catch (final MalformedURLException ex) {/* ignore this */}
|
|
} else if (
|
|
!key.equalsIgnoreCase("BEGIN") &&
|
|
!key.equalsIgnoreCase("END") &&
|
|
!key.equalsIgnoreCase("VERSION") &&
|
|
!key.toUpperCase().startsWith("LOGO") &&
|
|
!key.toUpperCase().startsWith("PHOTO") &&
|
|
!key.toUpperCase().startsWith("SOUND") &&
|
|
!key.toUpperCase().startsWith("KEY") &&
|
|
!key.toUpperCase().startsWith("X-")
|
|
) {
|
|
// value = value.replaceAll(";","\t");
|
|
if ((value.length() > 0)) parsedData.put(key, value);
|
|
}
|
|
|
|
} else {
|
|
if (AbstractParser.log.isFinest()) AbstractParser.log.finest("Invalid data in vcf file" +
|
|
"\n\tURL: " + url +
|
|
"\n\tLine: " + line +
|
|
"\n\tLine-Nr: " + lineNr);
|
|
}
|
|
}
|
|
try {inputReader.close();} catch (final IOException e) {}
|
|
|
|
final String[] sections = parsedNames.toArray(new String[parsedNames.size()]);
|
|
final byte[] text = UTF8.getBytes(parsedDataText.toString());
|
|
final List<String> descriptions = new ArrayList<String>(1); descriptions.add("vCard");
|
|
return new Document[]{new Document(
|
|
url, // url of the source document
|
|
mimeType, // the documents mime type
|
|
null, // charset
|
|
this,
|
|
null, // set of languages
|
|
null, // a list of extracted keywords
|
|
singleList(parsedTitle.toString()), // a long document title
|
|
"", // TODO: AUTHOR
|
|
"", // the publisher
|
|
sections, // an array of section headlines
|
|
descriptions, // an abstract
|
|
0.0f, 0.0f,
|
|
text, // the parsed document text
|
|
anchors, // a map of extracted anchors
|
|
null,
|
|
null, // a treeset of image URLs
|
|
false,
|
|
new Date())};
|
|
} catch (final Exception e) {
|
|
if (e instanceof InterruptedException) throw (InterruptedException) e;
|
|
if (e instanceof Parser.Failure) throw (Parser.Failure) e;
|
|
|
|
throw new Parser.Failure("Unexpected error while parsing vcf resource. " + e.getMessage(),url);
|
|
}
|
|
}
|
|
|
|
private String decodeQuotedPrintable(final String s) {
|
|
if (s == null) return null;
|
|
final byte[] b = UTF8.getBytes(s);
|
|
final StringBuilder sb = new StringBuilder();
|
|
for (int i = 0; i < b.length; i++) {
|
|
final int c = b[i];
|
|
if (c == '=') {
|
|
try {
|
|
final int u = Character.digit((char) b[++i], 16);
|
|
final int l = Character.digit((char) b[++i], 16);
|
|
if (u == -1 || l == -1) throw new RuntimeException("bad quoted-printable encoding");
|
|
sb.append((char) ((u << 4) + l));
|
|
} catch (final ArrayIndexOutOfBoundsException e) {
|
|
throw new RuntimeException("bad quoted-printable encoding");
|
|
}
|
|
} else {
|
|
sb.append((char) c);
|
|
}
|
|
}
|
|
return sb.toString();
|
|
}
|
|
|
|
}
|