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/***************************************************************************************************
* Copyright (c) 2006, 2016 IBM Corporation and others.
*
* This program and the
* accompanying materials are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors: IBM Corporation - initial API and implementation
**************************************************************************************************/
package org.eclipse.help.internal.base.remote;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.help.internal.base.HelpBasePlugin;
import org.eclipse.help.internal.base.util.ProxyUtil;
import org.eclipse.help.internal.search.ISearchHitCollector;
import org.eclipse.help.internal.search.ISearchQuery;
import org.eclipse.help.internal.search.QueryTooComplexException;
import org.eclipse.help.internal.search.SearchHit;
import org.eclipse.help.internal.util.URLCoder;
/*
* Manages indexing and searching for all remote help content.
*/
public class RemoteSearchManager {
private static final String PATH_SEARCH = "/search"; //$NON-NLS-1$
private static final String PARAM_PHRASE = "phrase"; //$NON-NLS-1$
private static final String PARAM_LANG = "lang"; //$NON-NLS-1$
private static final String PROTOCOL_HTTP = "http"; //$NON-NLS-1$
/*
* Performs a search for remote content.
*/
public void search(ISearchQuery searchQuery, ISearchHitCollector collector, IProgressMonitor pm)
throws QueryTooComplexException {
SubMonitor subMonitor = SubMonitor.convert(pm, 100);
PreferenceFileHandler prefHandler = new PreferenceFileHandler();
String host[] = prefHandler.getHostEntries();
String port[] = prefHandler.getPortEntries();
String path[] = prefHandler.getPathEntries();
String [] protocols = prefHandler.getProtocolEntries();
String isEnabled[] = prefHandler.isEnabled();
try {
// InfoCenters ignore remote content
if (RemoteHelp.isEnabled()) {
int numICs = host.length; // Total number of hosts
for (int i = 0; i < numICs; i++) {
if (isEnabled[i].equals("true")) { //$NON-NLS-1$
InputStream in = null;
try {
URL url;
if(protocols[i].equals(PROTOCOL_HTTP))
{
url = new URL("http", host[i], Integer.valueOf(port[i]).intValue(), path[i] + PATH_SEARCH + '?' + PARAM_PHRASE + '=' + URLCoder.encode(searchQuery.getSearchWord()) + '&' + PARAM_LANG + '=' + searchQuery.getLocale()); //$NON-NLS-1$
in = ProxyUtil.getStream(url);
}
else
{
url = HttpsUtility.getHttpsURL(protocols[i], host[i], port[i], path[i]+ PATH_SEARCH + '?' + PARAM_PHRASE + '=' + URLCoder.encode(searchQuery.getSearchWord()) + '&' + PARAM_LANG + '=' + searchQuery.getLocale());
in = HttpsUtility.getHttpsStream(url);
}
RemoteSearchParser parser = new RemoteSearchParser();
// parse the XML-serialized search results
List<SearchHit> hits = parser.parse(in, subMonitor.split(100));
collector.addHits(hits, null);
} catch (IOException e) {
String msg = "I/O error while trying to contact the remote help server"; //$NON-NLS-1$
HelpBasePlugin.logError(msg, e);
} catch (Throwable t) {
String msg = "Internal error while reading search results from remote server"; //$NON-NLS-1$
HelpBasePlugin.logError(msg, t);
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
// nothing more we can do
}
}
}
}
}
}
} finally {
pm.done();
}
}
}
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