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GetProjectTransUnitListsHandler.java
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GetProjectTransUnitListsHandler.java
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/*
* Copyright 2012, Red Hat, Inc. and individual contributors as indicated by the
* @author tags. See the copyright.txt file in the distribution for a full
* listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This software 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this software; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA, or see the FSF
* site: http://www.fsf.org.
*/
package org.zanata.webtrans.server.rpc;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.jboss.seam.ScopeType;
import org.jboss.seam.annotations.In;
import org.jboss.seam.annotations.Logger;
import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.Scope;
import org.jboss.seam.log.Log;
import org.zanata.exception.ZanataServiceException;
import org.zanata.model.HLocale;
import org.zanata.model.HTextFlow;
import org.zanata.search.FilterConstraints;
import org.zanata.security.ZanataIdentity;
import org.zanata.service.LocaleService;
import org.zanata.service.TextFlowSearchService;
import org.zanata.webtrans.server.ActionHandlerFor;
import org.zanata.webtrans.shared.model.TransUnit;
import org.zanata.webtrans.shared.rpc.GetProjectTransUnitLists;
import org.zanata.webtrans.shared.rpc.GetProjectTransUnitListsResult;
import com.google.common.base.Strings;
import com.ibm.icu.lang.UCharacter;
import lombok.extern.slf4j.Slf4j;
import net.customware.gwt.dispatch.server.ExecutionContext;
import net.customware.gwt.dispatch.shared.ActionException;
/**
* @see GetProjectTransUnitLists
* @author David Mason, damason@redhat.com
*/
@Name("webtrans.gwt.GetProjectTransUnitListsHandler")
@Scope(ScopeType.STATELESS)
@ActionHandlerFor(GetProjectTransUnitLists.class)
@Slf4j
public class GetProjectTransUnitListsHandler extends AbstractActionHandler<GetProjectTransUnitLists, GetProjectTransUnitListsResult>
{
@In
private LocaleService localeServiceImpl;
@In
private TextFlowSearchService textFlowSearchServiceImpl;
@In
private TransUnitTransformer transUnitTransformer;
@In
private ZanataIdentity identity;
@Override
public GetProjectTransUnitListsResult execute(GetProjectTransUnitLists action, ExecutionContext context) throws ActionException
{
identity.checkLoggedIn();
log.info("Searching all targets for workspace {}", action.getWorkspaceId());
HashMap<Long, List<TransUnit>> matchingTUs = new HashMap<Long, List<TransUnit>>();
HashMap<Long, String> docPaths = new HashMap<Long, String>();
if (Strings.isNullOrEmpty(action.getSearchString()))
{
// TODO empty searches shouldn't be requested, consider replacing this
// with an error, or making behaviour return all targets for the
// project (consider performance).
return new GetProjectTransUnitListsResult(action, docPaths, matchingTUs);
}
FilterConstraints filterConstraints = FilterConstraints.filterBy(action.getSearchString()).excludeNew().caseSensitive(action.isCaseSensitive());
if (!action.isSearchInSource())
{
filterConstraints.ignoreSource();
}
if (!action.isSearchInTarget())
{
filterConstraints.ignoreTarget();
}
// TODO handle exception thrown by search service
List<HTextFlow> matchingFlows = textFlowSearchServiceImpl.findTextFlows(action.getWorkspaceId(), action.getDocumentPaths(), filterConstraints);
log.info("Returned {} results for search", matchingFlows.size());
HLocale hLocale;
try
{
hLocale = localeServiceImpl.validateLocaleByProjectIteration(action.getWorkspaceId().getLocaleId(), action.getWorkspaceId().getProjectIterationId().getProjectSlug(), action.getWorkspaceId().getProjectIterationId().getIterationSlug());
}
catch (ZanataServiceException e)
{
throw new ActionException(e);
}
//FIXME remove when analyzer handles leading & trailing whitespace
boolean needsWhitespaceCheck = !action.getSearchString().equals(action.getSearchString().trim());
String searchString = action.getSearchString();
if (!action.isCaseSensitive())
{
searchString = foldCase(searchString);
}
for (HTextFlow textFlow : matchingFlows)
{
// FIXME temporary check for leading and trailing whitespace to compensate
// for NGramAnalyzer trimming strings before tokenization. This should
// be removed when updating to a lucene version with the whitespace
// issue resolved.
if (needsWhitespaceCheck)
{
boolean whitespaceMatch = false;
if (action.isSearchInSource())
{
for (String content : textFlow.getContents())
{
String contentStr = content;
if (!action.isCaseSensitive())
{
contentStr = foldCase(contentStr);
}
if (contentStr.contains(searchString))
{
whitespaceMatch = true;
break;
}
}
}
if (!whitespaceMatch && action.isSearchInTarget())
{
// FIXME hibernate n + 1 select happening here
List<String> targetContents = textFlow.getTargets().get(hLocale.getId()).getContents();
for (String content : targetContents)
{
String contentStr = content;
if (!action.isCaseSensitive())
{
contentStr = foldCase(contentStr);
}
if (contentStr.contains(searchString))
{
whitespaceMatch = true;
break;
}
}
}
if (!whitespaceMatch)
{
continue;
}
}
List<TransUnit> listForDoc = matchingTUs.get(textFlow.getDocument().getId());
if (listForDoc == null)
{
listForDoc = new ArrayList<TransUnit>();
}
TransUnit transUnit = transUnitTransformer.transform(textFlow, hLocale);
listForDoc.add(transUnit);
matchingTUs.put(textFlow.getDocument().getId(), listForDoc);
docPaths.put(textFlow.getDocument().getId(), textFlow.getDocument().getDocId());
}
return new GetProjectTransUnitListsResult(action, docPaths, matchingTUs);
}
private String foldCase(String original)
{
char[] buffer = original.toCharArray();
for (int i=0; i<buffer.length; i++)
{
buffer[i] = (char) UCharacter.foldCase(buffer[i], true);
}
return new String(buffer);
}
@Override
public void rollback(GetProjectTransUnitLists action, GetProjectTransUnitListsResult result, ExecutionContext context) throws ActionException
{
}
}