Merge "Omaha #4912 Add observer to read a modified configuation file." into omaha_16.2.1
Former-commit-id: a2cae7227b54a9f9b522a59317e51fd3fa68d56d
This commit is contained in:
Richard Peter
Gerrit Code Review
commit
203bb82f0f
1 changed files with 88 additions and 44 deletions
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@ -20,21 +20,30 @@ package com.raytheon.uf.common.monitor.config;
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* further licensing information.
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**/
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.ArrayList;
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import org.opengis.referencing.crs.ProjectedCRS;
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import com.raytheon.uf.common.localization.FileUpdatedMessage;
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import com.raytheon.uf.common.localization.ILocalizationFileObserver;
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import com.raytheon.uf.common.localization.IPathManager;
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import com.raytheon.uf.common.localization.LocalizationContext;
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import com.raytheon.uf.common.localization.LocalizationContext.LocalizationLevel;
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import com.raytheon.uf.common.localization.LocalizationContext.LocalizationType;
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import com.raytheon.uf.common.localization.LocalizationFile;
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import com.raytheon.uf.common.localization.PathManagerFactory;
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import com.raytheon.uf.common.localization.SaveableOutputStream;
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import com.raytheon.uf.common.localization.exception.LocalizationException;
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import com.raytheon.uf.common.monitor.scan.ScanUtils;
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import com.raytheon.uf.common.monitor.scan.ThreatLocation;
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import com.raytheon.uf.common.monitor.scan.xml.CWATLocationsXML;
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import com.raytheon.uf.common.serialization.SerializationException;
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import com.raytheon.uf.common.serialization.SingleTypeJAXBManager;
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import com.raytheon.uf.common.status.IUFStatusHandler;
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import com.raytheon.uf.common.status.UFStatus;
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import com.raytheon.uf.common.status.UFStatus.Priority;
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import com.vividsolutions.jts.geom.Coordinate;
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/**
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@ -48,6 +57,8 @@ import com.vividsolutions.jts.geom.Coordinate;
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* ------------ ---------- ----------- --------------------------
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* --/--/---- Initial creation
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* Oct 02, 2013 2361 njensen Use JAXBManager for XML
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* Oct 08, 2015 4912 rferrel Update configXml when configuration file changes
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* and removed deprecated code.
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*
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* </pre>
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*
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@ -55,10 +66,22 @@ import com.vividsolutions.jts.geom.Coordinate;
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* @version 1.0
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*/
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public class CWATLocationConfigManager {
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private static final IUFStatusHandler statusHandler = UFStatus
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.getHandler(CWATLocationConfigManager.class);
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private static final SingleTypeJAXBManager<CWATLocationsXML> jaxb = SingleTypeJAXBManager
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.createWithoutException(CWATLocationsXML.class);
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/**
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* Location of configuration files.
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*/
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private static final String CWAT_DIR = "cwat";
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/**
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* Append to the site name to get the configuration file name.
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*/
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private static final String CONFIG_FILE_SUFFIX = "Locations.xml";
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/**
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* FFMP Source Configuration XML object.
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*/
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@ -82,9 +105,31 @@ public class CWATLocationConfigManager {
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/** Singleton instance of this class */
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private static CWATLocationConfigManager instance = null;
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/* Private Constructor */
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/**
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* Observer to force updating the configXml.
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*/
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private ILocalizationFileObserver configXmlObserver = new ILocalizationFileObserver() {
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@Override
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public void fileUpdated(FileUpdatedMessage message) {
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readConfigXml();
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}
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};
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/**
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* Private Constructor.
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*/
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private CWATLocationConfigManager() {
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configXml = new CWATLocationsXML();
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IPathManager pm = PathManagerFactory.getPathManager();
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LocalizationContext lc = pm.getContext(LocalizationType.COMMON_STATIC,
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LocalizationLevel.SITE);
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/*
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* No need to remove the observer since the instance of this class
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* remains until the JRE is shutdown.
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*/
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pm.getLocalizationFile(lc, CWAT_DIR).addFileUpdatedObserver(
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configXmlObserver);
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}
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/**
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@ -100,6 +145,14 @@ public class CWATLocationConfigManager {
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return instance;
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}
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private LocalizationFile getConfigFile() {
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IPathManager pm = PathManagerFactory.getPathManager();
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LocalizationContext lc = pm.getContext(LocalizationType.COMMON_STATIC,
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LocalizationLevel.SITE);
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return pm.getLocalizationFile(lc, CWAT_DIR + IPathManager.SEPARATOR
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+ getSiteName() + CONFIG_FILE_SUFFIX);
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}
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/**
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* Read the XML configuration data for the current XML file name with
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* coordinate
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@ -116,28 +169,33 @@ public class CWATLocationConfigManager {
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* Read the XML configuration data for the current XML file name.
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*/
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public void readConfigXml() {
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LocalizationFile lFile = getConfigFile();
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try {
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IPathManager pm = PathManagerFactory.getPathManager();
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LocalizationContext lc = pm.getContext(
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LocalizationType.COMMON_STATIC, LocalizationLevel.SITE);
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File file = pm.getFile(lc, "cwat" + File.separatorChar
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+ getSiteName() + "Locations.xml");
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System.out.println("Reading -- " + file.getAbsolutePath());
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CWATLocationsXML configXmltmp = jaxb.unmarshalFromXmlFile(file
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.getAbsolutePath());
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configXml = configXmltmp;
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if (lFile.exists()) {
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statusHandler.info("Reading CWAT configuration file: "
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+ lFile.getName());
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try (InputStream stream = lFile.openInputStream()) {
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// This closes the stream
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CWATLocationsXML configXmltmp = (CWATLocationsXML) jaxb
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.unmarshalFromInputStream(stream);
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configXml = configXmltmp;
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}
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} else {
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statusHandler.handle(Priority.WARN,
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"No CWAT locations file found. Generating the file: "
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+ lFile.getName());
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// create a new one
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ArrayList<ThreatLocation> locations = ScanUtils.getCWASites(
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getSiteCoor(), getCRS());
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configXml = new CWATLocationsXML();
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configXml.setThreats(locations);
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// writes one to site
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saveConfigXml();
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}
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} catch (Exception e) {
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System.err.println("No CWAT locations file found");
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// create a new one
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ArrayList<ThreatLocation> locations = ScanUtils.getCWASites(
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getSiteCoor(), getCRS());
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configXml = new CWATLocationsXML();
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configXml.setThreats(locations);
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// writes one to site
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saveConfigXml();
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statusHandler.handle(Priority.WARN,
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"Unable to load location file: " + lFile.getName(), e);
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}
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}
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@ -146,28 +204,15 @@ public class CWATLocationConfigManager {
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*/
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public void saveConfigXml() {
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// Save the xml object to disk
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IPathManager pm = PathManagerFactory.getPathManager();
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LocalizationContext lc = pm.getContext(LocalizationType.COMMON_STATIC,
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LocalizationLevel.SITE);
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LocalizationFile newXmlFile = pm.getLocalizationFile(lc, "cwat"
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+ File.separatorChar + getSiteName() + "Locations.xml");
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if (newXmlFile.getFile().getParentFile().exists() == false) {
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// System.out.println("Creating new directory");
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if (newXmlFile.getFile().getParentFile().mkdirs() == false) {
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// System.out.println("Could not create new directory...");
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}
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}
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try {
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System.out.println("Saving -- "
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+ newXmlFile.getFile().getAbsolutePath());
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jaxb.marshalToXmlFile(configXml, newXmlFile.getFile()
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.getAbsolutePath());
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newXmlFile.save();
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} catch (Exception e) {
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e.printStackTrace();
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LocalizationFile lFile = getConfigFile();
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statusHandler
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.info("Saving CWAT configuration file: " + lFile.getName());
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try (SaveableOutputStream stream = lFile.openOutputStream()) {
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jaxb.marshalToStream(configXml, stream);
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stream.save();
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} catch (LocalizationException | SerializationException | IOException e1) {
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statusHandler.handle(Priority.PROBLEM,
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"Unable to save localized file: " + lFile.getName(), e1);
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}
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}
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@ -203,5 +248,4 @@ public class CWATLocationConfigManager {
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public ArrayList<ThreatLocation> getLocations() {
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return configXml.getThreats();
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}
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}
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