/*******************************************************************************
* Gisgraphy Project
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
*
* Copyright 2008 Gisgraphy project
* David Masclet <davidmasclet@gisgraphy.com>
*
*
*******************************************************************************/
package com.gisgraphy.webapp.action;
import java.util.List;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Required;
import com.gisgraphy.domain.geoloc.service.fulltextsearch.FulltextQuery;
import com.gisgraphy.domain.geoloc.service.fulltextsearch.IFullTextSearchEngine;
import com.gisgraphy.domain.valueobject.FulltextResultsDto;
import com.gisgraphy.domain.valueobject.Output;
import com.gisgraphy.domain.valueobject.SolrResponseDto;
import com.gisgraphy.domain.valueobject.Output.OutputStyle;
import com.opensymphony.xwork2.ActionSupport;
/**
* DisplayFeature Action
*
* @author <a href="mailto:david.masclet@gisgraphy.com">David Masclet</a>
*/
public class DisplayFeatureAction extends ActionSupport {
/**
* The reference in the localized file for the error for the fact featureId
* is required
*/
public static final String ERROR_REF_REQUIRED_FEATURE_ID = "required.featureId";
/**
* The reference in the localized file for the error for the fact that the
* specified featureId is not a numeric value
*/
public static final String ERROR_REF_NON_NUMERIC_FEATUREID = "displayfeature.featureid.numeric";
/**
* The reference in the localized file for the error for the fact that more
* than one features were founds for the specified featureId
*/
public static final String ERROR_REF_NON_UNIQUE_RESULT = "result.nouniqueresult";
/**
* The reference in the localized file for the error for the fact that no
* gid were found for the specified featureId
*/
public static final String ERROR_REF_NORESULT = "result.feature.noresult";
/**
* The reference in the localized file for general error
*/
static final String ERROR_REF_GENERAL_ERROR = "display.error";
/**
* Default Generated serial Id
*/
private static final long serialVersionUID = 2940477008022016677L;
private static final Output FULL_OUTPUT = Output.withDefaultFormat().withLanguageCode(Output.DEFAULT_LANGUAGE_CODE)
.withStyle(OutputStyle.FULL);
private static Logger logger = LoggerFactory
.getLogger(DisplayFeatureAction.class);
private IFullTextSearchEngine fullTextSearchEngine;
private String featureId;
private SolrResponseDto result = null;
public static final String ERROR = "error";
/**
* @return the fullyqualified name if exists, or the name
*/
public String getPreferedName() {
if (result == null) {
return "";
} else {
String fully_qualified_name = result.getFully_qualified_name();
return !StringUtils.isEmpty(fully_qualified_name) ? fully_qualified_name
: result.getName();
}
}
private boolean isNumeric(String number) {
try {
Integer.parseInt(number);
return true;
} catch (NumberFormatException e) {
return false;
}
}
/**
* The error message reference in the localized properties file
*/
private String errorRef = "";
private String errorMessage = "";
/*
* (non-Javadoc)
*
* @see com.opensymphony.xwork2.ActionSupport#execute()
*/
@Override
public String execute() throws Exception {
try {
if (StringUtils.isEmpty(featureId)) {
errorRef = ERROR_REF_REQUIRED_FEATURE_ID;
return ERROR;
}
if (!isNumeric(featureId)) {
errorRef = ERROR_REF_NON_NUMERIC_FEATUREID;
return ERROR;
}
FulltextQuery fulltextQuery = (FulltextQuery) new FulltextQuery(
featureId).withOutput(FULL_OUTPUT);
FulltextResultsDto responseDTO = fullTextSearchEngine
.executeQuery(fulltextQuery);
List<SolrResponseDto> results = responseDTO.getResults();
int resultSize = results.size();
if (resultSize == 0) {
errorRef = ERROR_REF_NORESULT;
return ERROR;
} else if (resultSize > 1) {
errorRef = ERROR_REF_NON_UNIQUE_RESULT;
return ERROR;
} else {
result = results.get(0);
}
} catch (RuntimeException e) {
if (e.getCause() != null) {
logger.warn("An error occured during search : "
+ e.getCause().getMessage());
} else {
logger.warn("An error occured during search : "
+ e.getMessage());
}
this.errorRef = ERROR_REF_GENERAL_ERROR;
this.errorMessage = e.getMessage();
return ERROR;
}
return SUCCESS;
}
/**
* @param fullTextSearchEngine
* the fullTextSearchEngine to set
*/
@Required
public void setFullTextSearchEngine(
IFullTextSearchEngine fullTextSearchEngine) {
this.fullTextSearchEngine = fullTextSearchEngine;
}
/**
* @param featureId
* the featureId to set
*/
public void setFeatureId(String featureId) {
this.featureId = featureId;
}
/**
* @return the errorRef
*/
public String getErrorRef() {
return errorRef;
}
/**
* @return the result
*/
public SolrResponseDto getResult() {
return result;
}
/**
* @return the errorMessage
*/
public String getErrorMessage() {
return errorMessage;
}
}