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package com.loreal.hip.fwk.common.services.impl;
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import com.loreal.hip.fwk.common.config.EnvConfig;
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import com.loreal.hip.fwk.common.services.Xslt30CacheService;
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import com.loreal.hip.fwk.processing.services.extension.ByteUtils;
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import com.loreal.hip.fwk.processing.services.extension.EncodeBase64Extension;
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import lombok.extern.slf4j.Slf4j;
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import net.sf.saxon.Configuration;
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import net.sf.saxon.lib.Feature;
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import net.sf.saxon.s9api.*;
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import org.springframework.cache.CacheManager;
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import org.springframework.cache.annotation.CacheEvict;
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import org.springframework.cache.annotation.Cacheable;
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import org.springframework.stereotype.Service;
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import javax.xml.transform.stream.StreamSource;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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@Slf4j
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@Service
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public class Xslt30CacheServiceImpl implements Xslt30CacheService {
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//private CacheManager cacheManager;
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@Cacheable(value = "xslt30Cache", key = "#xsltFileName")
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public Xslt30Transformer buildCacheable(EnvConfig envConfig, Processor processor, String xsltFileName) throws SaxonApiException, FileNotFoundException {
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XsltCompiler compiler = processor.newXsltCompiler();
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/** Import CSV Package to the compiler */
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File csvFile = new File(envConfig.getCsvXslPackagePath());
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XsltPackage csvPackage = compiler.compilePackage(new StreamSource(new FileInputStream(csvFile)));
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compiler.importPackage(csvPackage);
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compiler.setGenerateByteCode(false);
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File xsltFile = new File(xsltFileName);
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if (!xsltFile.exists()) {
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throw new FileNotFoundException(xsltFileName + " does not exist");
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}
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return compiler.compile(new StreamSource(xsltFile)).load30();
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}
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@Cacheable(value = "saxonLicenseProcessorCache", key = "#saxonlicensePath")
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public Processor getProcessor(String saxonlicensePath) {
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Processor processor = new Processor(true);
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//todo uncomment these 3 lines
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processor.registerExtensionFunction(new ByteUtils().new GetSize());
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processor.registerExtensionFunction(new EncodeBase64Extension());
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//processor.registerExtensionFunction(new RandomExtension());
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// log.debug("#### SAXON LICENSE LOADING .... ");
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// processor.setConfigurationProperty(Feature.LICENSE_FILE_LOCATION,
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// envConfig.getSaxonLicensePath());
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processor.setConfigurationProperty(Feature.LICENSE_FILE_LOCATION, saxonlicensePath);
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// log.debug("#### SAXON LICENSE LOADING [END] .... ");
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// processor.setConfigurationProperty(Feature.TRACE_EXTERNAL_FUNCTIONS, true);
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// processor.setConfigurationProperty(Feature.GENERATE_BYTE_CODE,false);
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/** Load Configuration.class.getClassLoader() */
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Configuration configuration = processor.getUnderlyingConfiguration();
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configuration.getDynamicLoader().setClassLoader(
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Configuration.class.getClassLoader());
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return processor;
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}
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@CacheEvict(value = "xslt30Cache", key = "#key")
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public void removeFromCache(String key , String mapName) {
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log.info("The MAP " + mapName + " was successfully removed from cache ");
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}
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}
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