294 lines
7.7 KiB
Java
294 lines
7.7 KiB
Java
package org.gcube.dataaccess.algorithms.drmalgorithms;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.UUID;
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import org.gcube.common.scope.api.ScopeProvider;
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import org.gcube.contentmanagement.lexicalmatcher.utils.AnalysisLogger;
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import org.gcube.dataaccess.databases.access.DatabasesDiscoverer;
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import org.gcube.dataaccess.databases.resources.DBResource;
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import org.gcube.dataaccess.databases.resources.DBResource.AccessPoint;
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import org.gcube.dataanalysis.ecoengine.datatypes.PrimitiveType;
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import org.gcube.dataanalysis.ecoengine.datatypes.StatisticalType;
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import org.gcube.dataanalysis.ecoengine.datatypes.enumtypes.PrimitiveTypes;
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import org.gcube.dataanalysis.ecoengine.interfaces.StandardLocalExternalAlgorithm;
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import org.gcube.resources.discovery.client.api.DiscoveryException;
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import org.gcube.resources.discovery.client.api.InvalidResultException;
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/** Class that allows to retrieve information about the chosen resource */
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public class ListDBInfo extends StandardLocalExternalAlgorithm {
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private LinkedHashMap<String, StatisticalType> map = new LinkedHashMap<String, StatisticalType>();
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// database's parameters specified by the user
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private String resourceName = null;
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// list that contains information about the resource
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private List<AccessPoint> ap = new ArrayList<AccessPoint>();
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// variable that keeps track of database platform version
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private String platformVersion = "";
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@Override
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public void init() throws Exception {
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AnalysisLogger.getLogger().debug("In ListDBInfo->Initialization");
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String scope = config.getGcubeScope();
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AnalysisLogger.getLogger().debug("In ListDBInfo->scope set by config object: " + scope);
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if (scope == null || scope.length() == 0) {
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scope = ScopeProvider.instance.get();
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AnalysisLogger.getLogger().debug("In ListDBInfo->scope set by ScopeProvider: " + scope);
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}else{
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ScopeProvider.instance.set(scope);
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}
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}
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@Override
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public String getDescription() {
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// add a simple description for the algorithm
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return "Algorithm that allows to view information about one chosen resource of Database Type in the Infrastructure";
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}
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@Override
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protected void process() throws Exception, IOException, IllegalStateException, DiscoveryException, InvalidResultException {
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AnalysisLogger.getLogger().debug("In ListDBInfo->Processing");
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AnalysisLogger.getLogger().debug("Scope: " + ScopeProvider.instance.get());
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try{
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// retrieve information
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List<AccessPoint> apInfo = retrieveInfo();
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AnalysisLogger.getLogger().debug("access point dimension: " + apInfo.size());
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for (int i = 0; i < apInfo.size(); i++) {
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String name = "Database name "+(i+1);
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PrimitiveType DBName = new PrimitiveType(String.class.getName(),
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apInfo.get(i).getDatabaseName(), PrimitiveTypes.STRING,
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name
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, name);
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map.put(name, DBName);
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AnalysisLogger.getLogger().debug(
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"In ListDBInfo->Database Name: "
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+ apInfo.get(i).getDatabaseName());
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String urlId="URL "+(i+1);
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PrimitiveType url = new PrimitiveType(String.class.getName(),
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apInfo.get(i).address(), PrimitiveTypes.STRING, urlId,
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urlId);
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map.put(urlId, url);
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AnalysisLogger.getLogger().debug(
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"In ListDBInfo->URL: " + apInfo.get(i).address());
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String driverId="Driver name "+(i+1);
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PrimitiveType driver = new PrimitiveType(String.class.getName(),
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apInfo.get(i).getDriver(), PrimitiveTypes.STRING,
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driverId, driverId);
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map.put(driverId, driver);
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AnalysisLogger.getLogger().debug(
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"In ListDBInfo->Driver Name: "
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+ apInfo.get(i).getDriver());
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String dialectId="Dialect name "+(i+1);
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PrimitiveType dialect = new PrimitiveType(String.class.getName(),
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apInfo.get(i).getDialect(), PrimitiveTypes.STRING,
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dialectId, dialectId);
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map.put(dialectId, dialect);
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AnalysisLogger.getLogger().debug(
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"In ListDBInfo->Dialect Name: "
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+ apInfo.get(i).getDialect());
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String platformId="Platform Version "+(i+1);
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PrimitiveType platformVersionValue = new PrimitiveType(String.class.getName(),
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platformVersion, PrimitiveTypes.STRING,
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platformId, platformId);
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map.put(platformId, platformVersionValue);
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AnalysisLogger.getLogger().debug(
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"In ListDBInfo->Platform Version: "
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+ platformVersion);
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}
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}
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catch (IllegalStateException e) {
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// e.printStackTrace();
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AnalysisLogger.getLogger().debug("In ListDBInfo-> ERROR " + e.getMessage());
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throw e;
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} catch (DiscoveryException e1) {
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// e1.printStackTrace();
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AnalysisLogger.getLogger().debug("In ListDBInfo-> ERROR " + e1.getMessage());
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throw e1;
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} catch (InvalidResultException e2) {
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// e2.printStackTrace();
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AnalysisLogger.getLogger().debug("In ListDBInfo-> ERROR " + e2.getMessage());
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throw e2;
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}
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// catch(IOException e3){
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//// e3.printStackTrace();
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//
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// AnalysisLogger.getLogger().debug("In ListDBInfo-> Exception " + e3.getMessage());
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//
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// throw e3;
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// }
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catch(Exception e4){
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// e4.printStackTrace();
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AnalysisLogger.getLogger().debug("In ListDBInfo-> Exception " + e4.getMessage());
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throw e4;
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}
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}
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@Override
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protected void setInputParameters() {
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// AnalysisLogger.getLogger().debug("In ListDBInfo->setting inputs");
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// resource name specified by the user
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addStringInput("ResourceName", "The name of the resource", "");
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}
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@Override
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public void shutdown() {
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AnalysisLogger.getLogger().debug("In ListDBInfo->Shutdown");
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}
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@Override
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public StatisticalType getOutput() {
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AnalysisLogger.getLogger().debug("In ListDBInfo->retrieving outputs");
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// generate a primitive type for the collection
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PrimitiveType output = new PrimitiveType(LinkedHashMap.class.getName(),
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map, PrimitiveTypes.MAP, "ResultsMap"+UUID.randomUUID(), "Results Map");
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return output;
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}
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private List<AccessPoint> retrieveInfo() throws Exception, IllegalStateException, DiscoveryException, InvalidResultException {
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resourceName = getInputParameter("ResourceName");
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if (resourceName != null) {
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resourceName = getInputParameter("ResourceName").trim();
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}
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if ((resourceName == null) || (resourceName.equals(""))) {
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throw new Exception("Warning: insert the resource name");
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}
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// retrieve information about the chosen resource
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DatabasesDiscoverer discovery = new DatabasesDiscoverer();
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List<DBResource> resources = discovery.discover();
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AnalysisLogger.getLogger().debug(
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"In ListDBInfo->number of database resources: "
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+ resources.size());
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check: for (int i = 0; i < resources.size(); i++) {
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if (resources.get(i).getResourceName().toLowerCase().equals(resourceName.toLowerCase())) {
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platformVersion = resources.get(i).getPlatformVersion();
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// ap = resources.get(i).getAccessPoints();
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normalizeDBInfo(resources.get(i));
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ap = resources.get(i).getAccessPoints();
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break check;
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}
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}
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return ap;
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}
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private void normalizeDBInfo(DBResource resource) throws Exception {
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try{
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int ap = resource.getAccessPoints().size();
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for (int i = 0; i < ap; i++) {
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resource.normalize(i);
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}
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}catch (Exception e) {
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AnalysisLogger.getLogger().debug(
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"In ListDBInfo->: Error in normalization process"
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+ e.getMessage());
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throw e;
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}
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// int ap = resource.getAccessPoints().size();
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//
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// for (int i = 0; i < ap; i++) {
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//
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// try {
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// resource.normalize(i);
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// }
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//// catch (IOException e) {
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// catch (IOException e) {
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// // TODO Auto-generated catch block
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//// e.printStackTrace();
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// AnalysisLogger.getLogger().debug(
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// "In ListDBInfo->: Error in normalization process"
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// + e.getMessage());
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// throw e;
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//
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// }
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//
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// }
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}
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}
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