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yacy_search_server/source/de/anomic/soap/services/SearchService.java

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//httpdSoapService.java
//------------------------
//part of YaCy
//(C) by Michael Peter Christen; mc@anomic.de
//first published on http://www.anomic.de
//Frankfurt, Germany, 2005
//
//this file was contributed by Martin Thelian
//last major change: $LastChangedDate$ by $LastChangedBy$
//Revision: $LastChangedRevision$
//
//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
//
//Using this software in any meaning (reading, learning, copying, compiling,
//running) means that you agree that the Author(s) is (are) not responsible
//for cost, loss of data or any harm that may be caused directly or indirectly
//by usage of this softare or this documentation. The usage of this software
//is on your own risk. The installation and usage (starting/running) of this
//software may allow other people or application to access your computer and
//any attached devices and is highly dependent on the configuration of the
//software which must be done by the user of the software; the author(s) is
//(are) also not responsible for proper configuration and usage of the
//software, even if provoked by documentation provided together with
//the software.
//
//Any changes to this file according to the GPL as documented in the file
//gpl.txt aside this file in the shipment you received can be done to the
//lines that follows this copyright notice here, but changes must not be
//done inside the copyright notive above. A re-distribution must contain
//the intact and unchanged copyright notice.
//Contributions and changes to the program code must be marked as such.
package de.anomic.soap.services;
import org.apache.axis.AxisFault;
import org.w3c.dom.Document;
import de.anomic.index.indexURL;
import de.anomic.net.URL;
import de.anomic.plasma.plasmaSearchPreOrder;
import de.anomic.server.serverObjects;
import de.anomic.soap.AbstractService;
/**
* SOAP Service Class that will be invoked by the httpdSoapHandler
*
* @author Martin Thelian
*/
public class SearchService extends AbstractService
{
/* ================================================================
* Constants needed to set the template that should be used to
* fullfil the request
* ================================================================ */
private static final String TEMPLATE_SEARCH = "yacysearch.soap";
private static final String TEMPLATE_URLINFO = "ViewFile.soap";
private static final String TEMPLATE_SNIPPET = "xml/snippet.xml";
/**
* Constructor of this class
*/
public SearchService() {
super();
// nothing special todo here at the moment
}
/**
* Service for doing a simple search with the standard settings
*
* @param searchString the search string that should be used
* @param maxSearchCount the maximum amount of search result that should be returned
* @param searchOrder can be a combination of YBR, Date and Quality, e.g. <code>YBR-Date-Quality</code> or <code>Date-Quality-YBR</code>
* @param searchMode can be <code>global</code> or <code>local</code>
* @param searchMode the total amount of seconds to use for the search
* @param urlMask if the urlMaskfilter parameter should be used
* @param urlMaskfilter e.g. <code>.*</code>
* @param prefermaskfilter
* @param category can be <code>image</code> or <code>href</code>
*
* @return an xml document containing the search results.
*
* @throws AxisFault if the service could not be executed propery.
*/
public Document search(
String searchString,
int maxSearchCount,
String searchOrder,
String searchMode,
int maxSearchTime,
boolean urlMask,
String urlMaskfilter,
String prefermaskfilter,
String category
)
throws AxisFault {
try {
// extracting the message context
extractMessageContext(false);
if ((searchMode == null) || !(searchMode.equalsIgnoreCase("global") || searchMode.equalsIgnoreCase("locale"))) {
searchMode = "global";
}
if (maxSearchCount < 0) {
maxSearchCount = 10;
}
if (searchOrder == null || searchOrder.length() == 0) {
searchOrder = plasmaSearchPreOrder.canUseYBR() ? "YBR-Date-Quality" : "Date-Quality-YBR";
}
if (maxSearchTime < 0) {
maxSearchTime = 10;
}
if (urlMaskfilter == null) {
urlMaskfilter = ".*";
}
if (prefermaskfilter == null) {
prefermaskfilter = "";
}
if (category == null || category.length() == 0) {
category = "href";
}
// setting the searching properties
serverObjects args = new serverObjects();
args.put("search",searchString);
args.put("count",Integer.toString(maxSearchCount));
args.put("order",searchOrder);
args.put("resource",searchMode);
args.put("time",Integer.toString(maxSearchTime));
args.put("urlmask",(!urlMask)?"no":"yes");
args.put("urlmaskfilter",urlMaskfilter);
args.put("prefermaskfilter",prefermaskfilter);
args.put("cat",category);
args.put("Enter","Search");
// generating the template containing the search result
byte[] result = writeTemplate(TEMPLATE_SEARCH, args);
// sending back the result to the client
return this.convertContentToXML(result);
} catch (Exception e) {
throw new AxisFault(e.getMessage());
}
}
/**
* @param url the url
* @param viewMode one of (VIEW_MODE_AS_PLAIN_TEXT = 1,
* VIEW_MODE_AS_PARSED_TEXT = 2,
* VIEW_MODE_AS_PARSED_SENTENCES = 3) [Source: ViewFile.java]
* @return an xml document containing the url info.
*
* @throws AxisFault if the service could not be executed propery.
*/
public Document urlInfo(String urlStr, int viewMode) throws AxisFault {
try {
// getting the url hash for this url
URL url = new URL(urlStr);
String urlHash = indexURL.urlHash(url);
// fetch urlInfo
return this.urlInfoByHash(urlHash, viewMode);
} catch (Exception e) {
throw new AxisFault(e.getMessage());
}
}
/**
* @param urlHash the url hash
* @param viewMode one of (VIEW_MODE_AS_PLAIN_TEXT = 1,
* VIEW_MODE_AS_PARSED_TEXT = 2,
* VIEW_MODE_AS_PARSED_SENTENCES = 3) [Source: ViewFile.java]
* @return an xml document containing the url info.
*
* @throws AxisFault if the service could not be executed propery.
*/
public Document urlInfoByHash(String urlHash, int viewMode) throws AxisFault {
try {
// extracting the message context
extractMessageContext(true);
if (urlHash == null || urlHash.trim().equals("")) {
throw new AxisFault("No Url-hash provided.");
}
if (viewMode < 1 || viewMode > 3) {
viewMode = 2;
}
String viewModeStr = "sentences";
if (viewMode == 1) viewModeStr = "plain";
else if (viewMode == 2) viewModeStr = "parsed";
else if (viewMode == 3) viewModeStr = "sentences";
// setting the properties
final serverObjects args = new serverObjects();
args.put("urlHash",urlHash);
args.put("viewMode",viewModeStr);
// generating the template containing the url info
byte[] result = writeTemplate(TEMPLATE_URLINFO, args);
// sending back the result to the client
return this.convertContentToXML(result);
} catch (Exception e) {
throw new AxisFault(e.getMessage());
}
}
public Document snippet(String url, String searchString) throws AxisFault {
try {
if (url == null || url.trim().equals("")) throw new AxisFault("No url provided.");
if (searchString == null || searchString.trim().equals("")) throw new AxisFault("No search string provided.");
// extracting the message context
extractMessageContext(false);
// setting the properties
final serverObjects args = new serverObjects();
args.put("url",url);
args.put("search",searchString);
// generating the template containing the url info
byte[] result = writeTemplate(TEMPLATE_SNIPPET, args);
// sending back the result to the client
return this.convertContentToXML(result);
} catch (Exception e) {
throw new AxisFault(e.getMessage());
}
}
}