78 lines
2.7 KiB
Java
78 lines
2.7 KiB
Java
package eu.eudat.depositinterface.ckanrepository.config;
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import com.fasterxml.jackson.core.type.TypeReference;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.core.env.Environment;
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import org.springframework.stereotype.Service;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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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 java.util.List;
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@Service("ckanConfigLoader")
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public class ConfigLoaderImpl implements ConfigLoader{
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private static final Logger logger = LoggerFactory.getLogger(ConfigLoaderImpl.class);
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private static final ObjectMapper mapper = new ObjectMapper();
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private List<CkanConfig> ckanConfigs = new ArrayList<>();
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private final Environment environment;
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@Autowired
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public ConfigLoaderImpl(Environment environment){
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this.environment = environment;
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}
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@Override
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public List<CkanConfig> getCkanConfig() {
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if(ckanConfigs == null || ckanConfigs.isEmpty()) {
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try{
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ckanConfigs = mapper.readValue(getStreamFromPath(environment.getProperty("configuration.ckan")), new TypeReference<List<CkanConfig>>() {});
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} catch (IOException e) {
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logger.error(e.getLocalizedMessage(), e);
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}
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}
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return ckanConfigs;
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}
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@Override
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public byte[] getLogo(String repositoryId) {
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if (!ckanConfigs.isEmpty()) {
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CkanConfig ckanConfig = ckanConfigs.stream().filter(x -> x.getRepositoryId().equals(repositoryId)).findFirst().orElse(null);
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if (ckanConfig != null) {
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String logo = ckanConfig.getLogo();
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InputStream logoStream;
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if (logo != null && !logo.isEmpty()) {
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logoStream = getStreamFromPath(logo);
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}
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else {
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logoStream = getClass().getClassLoader().getResourceAsStream("ckan.png");
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}
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try {
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return (logoStream != null) ? logoStream.readAllBytes() : null;
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}
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catch (IOException e) {
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logger.error(e.getMessage(), e);
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}
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}
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return null;
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}
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return null;
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}
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private InputStream getStreamFromPath(String filePath) {
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try {
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return new FileInputStream(filePath);
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} catch (FileNotFoundException e) {
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logger.info("loading from classpath");
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return getClass().getClassLoader().getResourceAsStream(filePath);
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}
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}
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}
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