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package org.onap.sdnc.dg.loader;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.onap.ccsdk.sli.core.sli.SvcLogicException;
import org.onap.ccsdk.sli.core.sli.SvcLogicParser;
import org.onap.ccsdk.sli.core.sli.SvcLogicStore;
import org.onap.ccsdk.sli.core.sli.SvcLogicStoreFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class DGXMLLoader {
private static final Logger logger = LoggerFactory.getLogger(DGXMLLoader.class);
public static final String STRING_ENCODING = "utf-8";
private final SvcLogicStore store;
public DGXMLLoader(String propfile) throws DGXMLException, SvcLogicException {
if (StringUtils.isBlank(propfile)) {
throw new DGXMLException(propfile + " Profile file is not defined");
}
this.store = SvcLogicStoreFactory.getSvcLogicStore(propfile);
}
protected DGXMLLoader(SvcLogicStore store) {
this.store = store;
}
public void loadDGXMLFile(String dgXMLpath) throws SvcLogicException {
if (dgXMLpath != null) {
SvcLogicParser.load(dgXMLpath, this.store);
}
}
public void loadDGXMLDir(String xmlPath) {
try {
logger.info(
"******************** Loading DG into Database *****************************");
List<String> errors = new ArrayList<>();
if (this.store != null) {
File xmlDir = new File(xmlPath);
if (xmlDir.isDirectory()) {
String[] extensions = new String[]{"xml", "XML"};
List<File> files = (List<File>) FileUtils.listFiles(xmlDir, extensions, true);
tryLoadXmls(errors, files);
} else {
throw new DGXMLException(xmlPath + " is not a valid XML Directory");
}
} else {
throw new DGXMLException("Failed to initialise SvcLogicStore");
}
if (!errors.isEmpty()) {
throw new DGXMLException(errors.toString());
}
} catch (Exception e) {
logger.error("Failed to load DGXML directories", e);
}
}
private void tryLoadXmls(List<String> errors, List<File> files) throws IOException {
for (File file : files) {
logger.info("Loading DG XML file :" + file.getCanonicalPath());
try {
SvcLogicParser.load(file.getCanonicalPath(), store);
} catch (Exception e) {
logger.error("Failed to load XML " + file.getCanonicalPath(), e);
errors.add("Failed to load XML " + file.getCanonicalPath()
+ ", Exception : " + e.getMessage());
}
}
}
}
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