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package org.onap.vid.controller;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.collect.ImmutableMap;
import org.apache.commons.lang3.StringUtils;
import org.onap.portalsdk.core.controller.UnRestrictedBaseController;
import org.onap.portalsdk.core.util.SystemProperties;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import javax.inject.Inject;
import javax.servlet.ServletContext;
import java.io.IOException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import static org.apache.commons.lang3.StringUtils.substringAfterLast;
@RestController
@RequestMapping("version")
public class VersionController extends UnRestrictedBaseController {
private final ServletContext servletContext;
@Inject
public VersionController(ServletContext servletContext) {
this.servletContext = servletContext;
}
@RequestMapping(method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
public Map<String,String> getVersionAndFeatures()
{
String features = SystemProperties.getProperty("features.set.filename");
String version;
try {
final URL resource = servletContext.getResource("/app/vid/scripts/constants/version.json");
HashMap<String,String> versionFile = new HashMap <>();
ObjectMapper mapper = new ObjectMapper();
versionFile.putAll(mapper.readValue(resource, new TypeReference<HashMap<String, String>>() {}));
version = versionFile.get("Version");
} catch (IOException e) {
version = "Error retrieving build number";
}
String majorVersion = getDisplayVersion(features, version);
return ImmutableMap.of("Features", features, "Build", version, "DisplayVersion", majorVersion);
}
String getDisplayVersion(String features, String build) {
Matcher matcher = Pattern.compile("([^/]+?)(\\.features|$)").matcher(features);
final String majorByFeatures = matcher.find() ? matcher.group(1) : features;
final String buildByVersion = StringUtils.defaultIfBlank(substringAfterLast(build, "."), build);
return StringUtils.join(majorByFeatures, ".", buildByVersion);
}
}
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