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100 lines
2.8 KiB
Java
100 lines
2.8 KiB
Java
package org.gcube.application.geoportal.common.utils;
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import lombok.extern.slf4j.Slf4j;
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import java.io.File;
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import java.io.IOException;
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import java.net.URL;
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import java.nio.charset.Charset;
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import java.nio.file.Paths;
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import java.util.*;
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@Slf4j
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public class Files {
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public static Map<String, List<File>> getAllShapeSet(File baseFolder,boolean recursive) throws IOException {
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return clusterizeFilesByExtension(baseFolder,".shp",recursive);
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}
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/*
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Map shpAbsolutePath -> fileset
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*/
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public static Map<String, List<File>> clusterizeFilesByExtension(File base,String extension,Boolean recursive) throws IOException {
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HashMap<String,List<File>> toReturn = new HashMap<>();
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log.debug("Clustering "+base.getAbsolutePath());
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List<File> targetFiles=new ArrayList<>();
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// Identify shps
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if(base.isDirectory()){
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// Get all shps
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targetFiles.addAll(Arrays.asList(base.listFiles((dir, name)->{return name.endsWith(extension);})));
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// recursive
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if(recursive)
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for(File f : base.listFiles((dir,name)-> {return new File(dir,name).isDirectory();}))
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toReturn.putAll(clusterizeFilesByExtension(f,extension,recursive));
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}else {
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targetFiles.add(base);
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}
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// Group files by shps
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targetFiles.forEach(f->{
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String basename=f.getName().substring(0,f.getName().lastIndexOf("."));
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toReturn.put(f.getAbsolutePath(),getSiblings(f.getParentFile(),basename));
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});
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return toReturn;
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}
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public static List<File> getSiblings(File location,String baseName){
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List<File> fileset=new ArrayList<>();
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for (File shpSet : location.listFiles((dir, name) -> {return name.startsWith(baseName);}))
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fileset.add(shpSet);
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return fileset;
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}
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public static File getFileFromResources(String fileName) {
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ClassLoader classLoader =Files.class.getClassLoader();
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URL resource = classLoader.getResource(fileName);
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if (resource == null) {
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throw new IllegalArgumentException("file is not found!");
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} else {
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return new File(resource.getFile());
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}
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}
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public static String readFileAsString(String path, Charset encoding)
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throws IOException
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{
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byte[] encoded = java.nio.file.Files.readAllBytes(Paths.get(path));
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return new String(encoded, encoding);
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}
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public static String getName(String path) {
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return path.substring((path.contains(File.separator)?path.lastIndexOf(File.separator)+1:0)
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,(path.contains(".")?path.lastIndexOf("."):path.length()));
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}
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public static String fixFilename(String toFix) {
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String extension="";
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if(toFix.contains(".")) {
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//preserve extension
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int index=toFix.indexOf(".");
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extension=toFix.substring(index);
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//only escape before extension
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toFix=toFix.substring(0,toFix.indexOf("."));
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}
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return toFix.toLowerCase().
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replaceAll("[\\*\\+\\/\\\\ \\[\\]\\(\\)\\.\\\"\\:\\;\\|]","_")+extension;
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}
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}
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