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| HostJ2ME.com Search Proxy |
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August 26, 2009 12:36 PM
Provides search results for the OSM client by aggregating results from Google, Bing, Wikipedia, and Yahoo using the respective search APIs.
Example Usage:
SearchAgent agent = new SearchAgent();
Query query = new Query();
query.addHeader("user-agent","MySearchClient"));
query.setTerm("volvo xc60");
query.setTypes(FileRecord.TYPE_ALL);
List providers = new ArrayList();
providers.add("yahoo");
providers.add("live");
providers.add("google");
providers.add("googlevideo");
providers.add("wikipedia");
BasicUIListable results = agent.find(query,5*1000,100,providers.toArray(new String[0]));
for ( SearchResult record : results.items(pn,ps) )
{
System.out.println(record.getTitle());
}
Contact me if you need the full source code
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August 26, 2009 12:40 PM
SearchAgent
/*
* Copyright (C) 2005 Astrient Labs, LLC 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.
*
* Astrient Labs, LLC.
* www.astrientlabs.com
* rashid@astrientlabs.com
* Rashid Mayes 2009
*/
package com.hostj2me.web.search;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;
import com.astrientlabs.biz.db.FileRecord;
import com.astrientlabs.cache.Cache;
import com.astrientlabs.cache.SlotCache;
import com.astrientlabs.dp.task.Task;
import com.astrientlabs.dp.task.TaskListener;
import com.astrientlabs.dp.task.TaskRunner;
import com.astrientlabs.logging.LogWriter;
import com.astrientlabs.objects.ClassMap;
import com.astrientlabs.objects.ClassRegister;
import com.astrientlabs.webui.BasicUIListable;
public class SearchAgent implements TaskListener
{
private static Cache cache = new SlotCache(100);
private static ClassMap classMap = new ClassMap("searchproviders");
private static TaskRunner taskRunner = new TaskRunner(8);
private Semaphore semaphore = new Semaphore(0);
private boolean useCaching = true;
private BasicUIListable results = new BasicUIListable();
public void setUseCaching(boolean useCaching)
{
this.useCaching = useCaching;
}
public synchronized BasicUIListable find(Query query, long timeout, int maxResults, String... providers)
{
StringBuffer buffer = new StringBuffer(query.cacheKey());
buffer.append(timeout).append('.').append(maxResults).append('.');
for ( String provider : providers )
{
buffer.append(provider).append('.');
}
BasicUIListable cachedResults = null;
if ( useCaching )
{
cachedResults = (BasicUIListable)cache.get(buffer.toString());
}
if ( cachedResults != null )
{
LogWriter.system.log(getClass(), cachedResults.size() + " results found in cache.");
return cachedResults;
}
else
{
semaphore.drainPermits();
Class clazz;
ClassRegister register;
SearchProvider searchProvider;
List searchProviders = new ArrayList(providers.length);
for ( String provider : providers )
{
register = classMap.getRegister(provider);
LogWriter.system.log(getClass(),provider + " handled by " + register);
if ( register != null )
{
try
{
clazz = register.getClassObject();
searchProvider = (SearchProvider)clazz.newInstance();
searchProvider.addListener(this);
searchProvider.setQuery(query,maxResults,results);
taskRunner.execute(searchProvider);
searchProviders.add(searchProvider);
}
catch (Exception e)
{
LogWriter.system.log(getClass(),e);
}
}
}
try
{
semaphore.tryAcquire(searchProviders.size(), timeout, TimeUnit.MILLISECONDS);
}
catch (InterruptedException e)
{
LogWriter.system.log(getClass(),e);
}
for ( SearchProvider p : searchProviders )
{
p.cancel();
}
if ( useCaching )
{
cache.put(buffer.toString(),results);
}
return results;
}
}
public void notify(Task job)
{
if ( job instanceof SearchProvider )
{
SearchProvider searchProvider = (SearchProvider)job;
LogWriter.system.log(getClass(), searchProvider.getName() + " completed");
semaphore.release();
}
}
public static void main(String[] args)
{
SearchAgent agent = new SearchAgent();
Query query = new Query();
query.setTerm("washington");
query.setTypes(FileRecord.TYPE_IMAGE);
query.setOthers(false);
query.setAdult(false);
List results = agent.find(query,5*1000,50,"livevideo");
for ( SearchResult result : results )
{
System.out.println(result.getTitle());
System.out.println(result.getURL());
}
System.exit(0);
}
}
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August 26, 2009 12:40 PM
Query:
/*
* Copyright (C) 2005 Astrient Labs, LLC 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.
*
* Astrient Labs, LLC.
* www.astrientlabs.com
* rashid@astrientlabs.com
* Rashid Mayes 2009
*/
package com.hostj2me.web.search;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Map;
public class Query
{
private Map headers = new HashMap();
private String term;
private int types;
private boolean others;
private boolean adult;
public void addHeader(String key, String value)
{
headers.put(key, value);
}
protected Map getHeaderMap()
{
return headers;
}
public String cacheKey()
{
return new StringBuffer(term).append('.')
.append(types).append('.')
.append(others).append('.')
.append(adult).toString();
}
public boolean isAdult()
{
return adult;
}
public void setAdult(boolean adult)
{
this.adult = adult;
}
public String getTerm()
{
return term;
}
public String getTermEncoded()
{
return URLEncoder.encode(term);
}
public void setTerm(String term)
{
this.term = term;
}
public int getTypes()
{
return types;
}
public void setTypes(int types)
{
this.types = types;
}
public boolean isOthers()
{
return others;
}
public void setOthers(boolean others)
{
this.others = others;
}
}
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August 26, 2009 12:41 PM
SearchProvider:
/*
* Copyright (C) 2005 Astrient Labs, LLC 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.
*
* Astrient Labs, LLC.
* www.astrientlabs.com
* rashid@astrientlabs.com
* Rashid Mayes 2009
*/
package com.hostj2me.web.search;
import java.io.UnsupportedEncodingException;
import java.net.URLConnection;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import javax.crypto.BadPaddingException;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import com.astrientlabs.biz.web.util.Base32;
import com.astrientlabs.dp.task.Task;
import com.astrientlabs.webui.BasicUIListable;
public abstract class SearchProvider extends Task
{
protected String name;
protected Query query;
protected int maxResults;
protected BasicUIListable results;
public String getName()
{
return name;
}
public void setQuery(Query query, int maxResults, BasicUIListable results)
{
this.query = query;
this.maxResults = maxResults;
this.results = results;
}
protected void prepareConnection(URLConnection connection)
{
for (String key : query.getHeaderMap().keySet())
{
connection.setRequestProperty(key, query.getHeaderMap().get(key));
}
}
public void _execute()
{
_query();
}
public static String obfuscateURL(String url) throws InvalidKeyException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException, NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeySpecException, UnsupportedEncodingException
{
return new String(Base32.encode(url.getBytes("UTF8")));
}
public static String unobfuscateURL(String obfuscatedURL) throws InvalidKeyException, UnsupportedEncodingException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException, NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeySpecException
{
return new String(Base32.decode(obfuscatedURL),"UTF8");
}
public abstract void _query();
public abstract void cancel();
}
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August 26, 2009 12:42 PM
SearchResult:
/*
* Copyright (C) 2005 Astrient Labs, LLC 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.
*
* Astrient Labs, LLC.
* www.astrientlabs.com
* rashid@astrientlabs.com
* Rashid Mayes 2009
*/
package com.hostj2me.web.search;
public interface SearchResult
{
public String getTitle();
public String getMagic();
public int getMediaType();
public String getURL();
public String getId();
public long getSize();
public String getDescription();
public String getAuthor();
public SearchProvider getSearchProvider();
public String getMimeType();
public long getModified();
public int getIntID();
}
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August 26, 2009 12:43 PM
Google:
/*
* Copyright (C) 2005 Astrient Labs, LLC 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.
*
* Astrient Labs, LLC.
* www.astrientlabs.com
* rashid@astrientlabs.com
* Rashid Mayes 2009
*/
package com.hostj2me.web.search;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.XML;
import com.astrientlabs.biz.db.FileRecord;
import com.astrientlabs.logging.LogWriter;
import com.astrientlabs.prefs.Preferences;
public class GoogleImageSearchProvider extends SearchProvider
{
Preferences preferences = Preferences.getPreferences("googlesearch");
private boolean cancel;
public String getName()
{
return "Google Image Search";
}
public void _query()
{
int pageSize = 8;
int max = Math.min(maxResults,24);//64);
for (int start = 0; start max; start+=pageSize)
{
getResults(start);
}
}
private void getResults(int start)
{
StringBuffer buffer = new StringBuffer("http://ajax.googleapis.com/ajax/services/search/images?v=1.0")
.append("&appid=").append(preferences.get("key", "ENTER YOUR API KEY FROM GOOGLE"))
.append("&q=").append(query.getTermEncoded())
.append("&rsz=").append("large")
.append("&safe=").append(query.isAdult()?"off":"moderate")
.append("&start=").append(start);
if ( cancel )
{
return;
}
HttpURLConnection uc = null;
try
{
URL u = new URL(buffer.toString());
uc = (HttpURLConnection) u.openConnection();
uc.addRequestProperty("Referer", "http://m.hostj2me.com");
prepareConnection(uc);
String line;
StringBuilder builder = new StringBuilder();
BufferedReader reader = new BufferedReader(new InputStreamReader(uc.getInputStream()));
while((line = reader.readLine()) != null) {
builder.append(line);
}
JSONObject json = new JSONObject(builder.toString());
JSONArray results = json.getJSONObject("responseData").getJSONArray("results");
GoogleSearchResult current;
JSONObject result;
for ( int i = 0, stop = results.length(); i stop && !cancel; i++ )
{
result = results.getJSONObject(i);
current = new GoogleSearchResult();
current.setSearchProvider(this);
current.setMediaType(FileRecord.TYPE_IMAGE);
current.setMimeType("image/jpeg");
current.setThumbnailURL(result.get("tbUrl").toString());
current.setTitle(result.get("titleNoFormatting").toString());
current.setURL(result.get("url").toString());
current.setSize(4096);
this.results.add(current);
}
}
catch (Exception e)
{
LogWriter.system.log(getClass(),e);
}
finally
{
try
{
if ( uc != null )
{
uc.disconnect();
}
}
catch (Exception ignore){}
}
}
public void cancel()
{
cancel = true;
}
public static void main (String[] args)
{
try
{
URL url = new URL("http://ajax.googleapis.com/ajax/services/search/images?v=1.0&q=Paris%20Hilton");
URLConnection connection = url.openConnection();
connection.addRequestProperty("Referer", "http://www.mysite.com/index.html");
String line;
StringBuilder builder = new StringBuilder();
BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
while((line = reader.readLine()) != null) {
builder.append(line);
}
JSONObject json = new JSONObject(builder.toString());
String xml = XML.toString(json);
System.out.println(xml);
}
catch (MalformedURLException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
catch (JSONException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
System.exit(0);
}
}
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August 26, 2009 12:44 PM
Bing/MSN Live:
/*
* Copyright (C) 2005 Astrient Labs, LLC 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.
*
* Astrient Labs, LLC.
* www.astrientlabs.com
* rashid@astrientlabs.com
* Rashid Mayes 2009
*/
package com.hostj2me.web.search;
import java.beans.XMLDecoder;
import java.net.HttpURLConnection;
import java.net.URL;
import org.apache.axis.utils.XMLUtils;
import org.apache.commons.lang.StringEscapeUtils;
import a.javax.swing.text.html.HTML;
import com.astrientlabs.biz.db.FileRecord;
import com.astrientlabs.logging.LogWriter;
import com.astrientlabs.prefs.Preferences;
import com.hostj2me.xml.MiniPushHandler;
import com.hostj2me.xml.MiniPushParser;
public class MSLiveSearchProvider extends SearchProvider implements MiniPushHandler
{
Preferences preferences = Preferences.getPreferences("livesearch");
private boolean cancel;
private MiniPushParser parser = new MiniPushParser();
private MSLiveSearchResult current;
public String getName()
{
return "MS Live Image Search";
}
public void _query()
{
StringBuffer buffer = new StringBuffer("http://api.search.live.net/xml.aspx?")
.append("appid=").append(preferences.get("appid", "ENTER YOUR API KEY FROM BING"))
.append("&sources=").append("image")
.append("&query=").append(query.getTermEncoded())
.append("&image.count=").append(Math.min(maxResults,50))
.append("&adult=").append(query.isAdult()?"off":"moderate")
.append("&start=").append(0);
if ( cancel )
{
return;
}
HttpURLConnection uc = null;
try
{
URL u = new URL(buffer.toString());
uc = (HttpURLConnection) u.openConnection();
parser.parse(uc.getInputStream(),this,1024);
}
catch (Exception e)
{
LogWriter.system.log(getClass(),e);
}
finally
{
try
{
if ( uc != null )
{
uc.disconnect();
}
}
catch (Exception ignore){}
}
}
public void handleAttribute(String tag, String attribute, String value)
{
}
public void handleEndTag(String tag)
{
if ( tag.equalsIgnoreCase("mms:ImageResult") )
{
if ( current != null )
{
results.add(current);
}
}
}
public void handleStartTag(String tag)
{
if ( tag.equalsIgnoreCase("mms:ImageResult") )
{
current = new MSLiveSearchResult();
current.setSearchProvider(this);
current.setMediaType(FileRecord.TYPE_IMAGE);
current.setMimeType("image/jpeg");
}
}
public void handleText(String tag, String text)
{
text = text.trim();
if ( tag.equalsIgnoreCase("mms:MediaUrl") )
{
current.setURL(text);
}
if ( tag.equalsIgnoreCase("mms:Url") )
{
current.setThumbnailURL(StringEscapeUtils.unescapeXml(text));
}
else if ( tag.equalsIgnoreCase("mms:title") )
{
current.setTitle(text);
}
else if ( tag.equalsIgnoreCase("mms:filesize") )
{
current.setSize(Long.parseLong(text));
}
else if ( tag.equalsIgnoreCase("mms:ContentType") )
{
current.setMimeType(text);
}
}
public void discard(char c) {}
public void handleEndOfLineChar(char c){};
public void cancel()
{
cancel = true;
parser.cancel();
}
}
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August 26, 2009 12:45 PM
Yahoo:
/*
* Copyright (C) 2005 Astrient Labs, LLC 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.
*
* Astrient Labs, LLC.
* www.astrientlabs.com
* rashid@astrientlabs.com
* Rashid Mayes 2009
*/
package com.hostj2me.web.search;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;
import com.astrientlabs.biz.db.FileRecord;
import com.astrientlabs.logging.LogWriter;
import com.astrientlabs.prefs.Preferences;
import com.hostj2me.xml.MiniPushHandler;
import com.hostj2me.xml.MiniPushParser;
public class YahooSearchProvider extends SearchProvider implements MiniPushHandler
{
Preferences preferences = Preferences.getPreferences("yahoosearch");
private boolean cancel;
private MiniPushParser parser = new MiniPushParser();
private YahooSearchResult current;
private boolean thumbnail;
public String getName()
{
return "Yahoo Image Search";
}
public void _query()
{
StringBuffer buffer = new StringBuffer("http://search.yahooapis.com/ImageSearchService/V1/imageSearch?")
.append("appid=").append(preferences.get("appid", "ENTER YOUR API KEY FROM YAHOO"))
.append("&query=").append(URLEncoder.encode(query.getTerm()))
.append("&results=").append(Math.min(maxResults,50))
.append("&adult_ok=").append(query.isAdult()?1:0)
.append("&start=").append(0);
if ( cancel )
{
return;
}
HttpURLConnection uc = null;
try
{
URL u = new URL(buffer.toString());
uc = (HttpURLConnection) u.openConnection();
parser.parse(uc.getInputStream(),this,1024);
}
catch (Exception e)
{
LogWriter.system.log(getClass(),e);
}
finally
{
try
{
if ( uc != null )
{
uc.disconnect();
}
}
catch (Exception ignore){}
}
}
public void handleAttribute(String tag, String attribute, String value)
{
}
public void handleEndTag(String tag)
{
if ( tag.equalsIgnoreCase("result") )
{
if ( current != null )
{
results.add(current);
}
}
else if ( tag.equalsIgnoreCase("thumbnail") )
{
thumbnail = false;
}
}
public void handleStartTag(String tag)
{
if ( tag.equalsIgnoreCase("result") )
{
current = new YahooSearchResult();
current.setSearchProvider(this);
current.setMediaType(FileRecord.TYPE_IMAGE);
current.setMimeType("image/jpeg");
}
else if ( tag.equalsIgnoreCase("thumbnail") )
{
thumbnail = true;
}
}
public void handleText(String tag, String text)
{
text = text.trim();
if ( tag.equalsIgnoreCase("Url") )
{
if ( thumbnail )
{
current.setThumbnailURL(text);
}
else
{
current.setURL(text);
}
}
else if ( tag.equalsIgnoreCase("title") )
{
current.setTitle(text);
}
else if ( tag.equalsIgnoreCase("filesize") )
{
current.setSize(Long.parseLong(text));
}
}
public void discard(char c) {}
public void handleEndOfLineChar(char c){};
public void cancel()
{
cancel = true;
parser.cancel();
}
}
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August 26, 2009 12:46 PM
Wikipedia:
/*
* Copyright (C) 2005 Astrient Labs, LLC 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.
*
* Astrient Labs, LLC.
* www.astrientlabs.com
* rashid@astrientlabs.com
* Rashid Mayes 2009
*/
package com.hostj2me.web.search;
import java.net.HttpURLConnection;
import java.net.URL;
import com.astrientlabs.biz.db.FileRecord;
import com.astrientlabs.logging.LogWriter;
import com.astrientlabs.prefs.Preferences;
import com.hostj2me.xml.MiniPushHandler;
import com.hostj2me.xml.MiniPushParser;
public class WikipediaSearchProvider extends SearchProvider implements MiniPushHandler
{
Preferences preferences = Preferences.getPreferences("yahoosearch");
private boolean cancel;
private MiniPushParser parser = new MiniPushParser();
private WikipediaSearchResult current;
public String getName()
{
return "Wikipedia Search";
}
public void _query()
{
if ( (query.getTypes() & FileRecord.TYPE_DOCUMENT) == FileRecord.TYPE_DOCUMENT )
{
StringBuffer buffer = new StringBuffer("http://en.wikipedia.org/w/api.php?action=opensearch&format=xml")
.append("&search=").append(query.getTermEncoded())
.append("&limit=").append(Math.min(maxResults,100));
if ( cancel )
{
return;
}
HttpURLConnection uc = null;
try
{
URL u = new URL(buffer.toString());
uc = (HttpURLConnection) u.openConnection();
parser.parse(uc.getInputStream(),this,1024);
}
catch (Exception e)
{
LogWriter.system.log(getClass(),e);
}
finally
{
try
{
if ( uc != null )
{
uc.disconnect();
}
}
catch (Exception ignore){}
}
}
}
public void handleAttribute(String tag, String attribute, String value)
{
}
public void handleEndTag(String tag)
{
if ( tag.equalsIgnoreCase("item") )
{
if ( current != null )
{
results.add(current);
}
}
}
public void handleStartTag(String tag)
{
if ( tag.equalsIgnoreCase("item") )
{
current = new WikipediaSearchResult();
current.setSearchProvider(this);
current.setMediaType(FileRecord.TYPE_DOCUMENT);
current.setMimeType("text/html");
current.setMagic("w");
current.setSize(4096);
current.setThumbnailURL("https://hostj2me.com/images/mimes/48/doc.png");
}
}
public void handleText(String tag, String text)
{
text = text.trim();
if ( tag.equalsIgnoreCase("Url") )
{
current.setURL(text);
}
else if ( tag.equalsIgnoreCase("text") )
{
current.setTitle(text);
}
else if ( tag.equalsIgnoreCase("description") )
{
current.setDescription(text);
}
}
public void discard(char c) {}
public void handleEndOfLineChar(char c){};
public void cancel()
{
cancel = true;
parser.cancel();
}
}
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