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package org.asyrinx.brownie.core.io;
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import java.io.File;
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import java.util.List;
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import org.asyrinx.brownie.core.lang.ArrayUtils;
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import org.asyrinx.brownie.core.lang.StringUtils;
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public final class FileNameUtils {
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public static boolean hasZipExtension(String filename) {
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final String ext = StringUtils.nullTrim(getExtension(filename))
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.toLowerCase();
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return (ext.equals(FileConstants.EXT_ZIP)
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|| ext.equals(FileConstants.EXT_JAR)
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|| ext.equals(FileConstants.EXT_WAR) || ext
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.equals(FileConstants.EXT_EAR));
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}
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public static boolean isAbsolutePath(String fileName) {
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File f = new File(fileName);
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return f.isAbsolute();
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}
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public static String toAbsolutePath(String rootPath, String path) {
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if (isAbsolutePath(path)) {
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return path;
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} else if (StringUtils.isEmpty(rootPath)) {
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return path;
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}
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final PathPointer pointer = new PathPointer(rootPath);
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pointer.moveTo(path);
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return replaceSeparator(pointer.getPath(), getFileSeparator(rootPath),
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getFileSeparator(path));
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}
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public static boolean isSeparatorTail(String path) {
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return isSeparator(path, File.separator, false)
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|| isSeparator(path, FileConstants.FILE_SPARATOR_SLASH, false);
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}
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public static boolean isSeparatorHead(String path) {
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return isSeparator(path, File.separator, true)
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|| isSeparator(path, FileConstants.FILE_SPARATOR_SLASH, true);
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}
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private static boolean isSeparator(String path, String separator,
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boolean isHead) {
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if (path == null)
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return false;
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if (path.length() < File.separator.length())
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return false;
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final String target = isHead ? path.substring(0, File.separator
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.length()) : path.substring(path.length()
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- File.separator.length());
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return separator.equals(target);
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}
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public static boolean hasFileSeparator(String path) {
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return hasFileSeparator(path, File.separator);
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}
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public static boolean hasFileSeparatorSlash(String path) {
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return hasFileSeparator(path, FileConstants.FILE_SPARATOR_SLASH);
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}
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private static boolean hasFileSeparator(String path, String separator) {
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return path.indexOf(separator) > -1;
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}
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public static String adjustFileSeparator(String path) {
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return toFileSeparatorSlash(path);
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}
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public static String toFileSeparatorSlash(String path) {
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return hasFileSeparator(path) ? replaceSeparator(path, File.separator,
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FileConstants.FILE_SPARATOR_SLASH) : path;
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}
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public static String toFileSeparator(String path) {
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return hasFileSeparatorSlash(path) ? replaceSeparator(path,
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FileConstants.FILE_SPARATOR_SLASH, File.separator) : path;
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}
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public static String toFileSeparator(String path, String separator) {
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return replaceSeparator(replaceSeparator(path,
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FileConstants.FILE_SPARATOR_SLASH, separator), File.separator,
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separator);
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}
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public static boolean hasOneKindSeparator(String path) {
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final boolean hasFS = hasFileSeparator(path);
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final boolean hasFSS = hasFileSeparatorSlash(path);
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return !(hasFS && hasFSS);
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}
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public static String getFileSeparator(String path) {
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final boolean hasFS = hasFileSeparator(path);
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final boolean hasFSS = hasFileSeparatorSlash(path);
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if (hasFS && !hasFSS)
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return File.separator;
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else
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return FileConstants.FILE_SPARATOR_SLASH;
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}
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public static String addSeparatorHead(String path) {
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if (isSeparatorHead(path)) {
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return path;
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} else {
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return getFileSeparator(path) + path;
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}
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}
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public static String addSeparatorTail(String path) {
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if (isSeparatorTail(path)) {
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return path;
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} else {
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return path + getFileSeparator(path);
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}
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}
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public static String deleteSeparatorHead(String path) {
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if (isSeparatorHead(path)) {
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final String separator = FileNameUtils.getFileSeparator(path);
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return path.substring(separator.length(), path.length()
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- separator.length() + 1);
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} else {
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return path;
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}
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}
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public static String deleteSeparatorTail(String path) {
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if (isSeparatorTail(path)) {
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return path.substring(0, path.length() - File.separator.length());
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} else {
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return path;
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}
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}
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public static String getParentPath(String path) {
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if (StringUtils.isEmpty(path))
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return null;
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return new File(path).getParent();
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}
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public static String replaceSeparator(String path, String oldSeparator,
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String newSeparator) {
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return StringUtils.replace(path, oldSeparator, newSeparator);
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}
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public static String replaceSeparatorSlash(String path) {
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return StringUtils.replace(path, FileConstants.FILE_SPARATOR_SLASH,
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File.separator);
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}
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private static String deleteHeadPath(String targetPath, String deletePath,
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boolean addSeparator) {
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if (addSeparator) {
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1
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deletePath = deleteSeparatorTail(deletePath);
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} else {
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0
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deletePath = addSeparatorTail(deletePath);
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}
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int idx = targetPath.indexOf(deletePath);
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1
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if (idx != 0)
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return targetPath;
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1
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String result = targetPath.substring(deletePath.length());
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1
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if (addSeparator) {
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1
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return addSeparatorHead(result);
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} else {
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return deleteSeparatorHead(result);
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}
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}
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262
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265
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266
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267
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268
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public static String toRelativePath(String filePath, String basePath) {
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6
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if (StringUtils.isEmpty(filePath))
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return null;
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if (StringUtils.isEmpty(basePath))
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return filePath;
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basePath = replaceSeparator(deleteSeparatorTail(basePath),
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File.separator, FileConstants.FILE_SPARATOR_SLASH);
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filePath = replaceSeparator(deleteSeparatorTail(filePath),
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File.separator, FileConstants.FILE_SPARATOR_SLASH);
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if (filePath.equals(basePath))
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return FileConstants.DIRECTORY_CURRENT;
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if (filePath.startsWith(basePath)) {
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1
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return FileConstants.DIRECTORY_CURRENT
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+ addSeparatorHead(deleteHeadPath(filePath, basePath, true));
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4
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} else if (basePath.startsWith(filePath)) {
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2
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final String diff = StringUtils.difference(filePath, basePath);
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return toParentPath(diff);
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} else {
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2
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final int diffIndex = StringUtils.indexOfDifference(filePath,
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basePath);
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2
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final String baseDiff = basePath.substring(diffIndex);
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2
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final String fileDiff = filePath.substring(diffIndex);
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return toParentPath(FileConstants.FILE_SPARATOR_SLASH + baseDiff)
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+ FileConstants.FILE_SPARATOR_SLASH + fileDiff;
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}
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}
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296
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4
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private static String toParentPath(final String diff) {
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4
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final int slashCount = StringUtils.countMatches(diff,
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FileConstants.FILE_SPARATOR_SLASH);
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299
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4
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return StringUtils.repeat(FileConstants.DIRECTORY_PARENT
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+ FileConstants.FILE_SPARATOR_SLASH, slashCount - 1)
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+ FileConstants.DIRECTORY_PARENT;
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}
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303
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304
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305
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306
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307
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25
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public static String getExtension(String fileName) {
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308
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25
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if (fileName == null)
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1
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return null;
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310
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24
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String[] parsed = StringUtils.tokenizeToArray(fileName,
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FileConstants.DELIM_EXT_STR);
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24
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if (parsed.length < 2) {
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8
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return null;
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314
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} else {
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315
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16
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final String result = (String) ArrayUtils.getLast(parsed);
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316
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16
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if (replaceSeparatorSlash(result).indexOf(File.separatorChar) > -1)
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0
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return "";
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318
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else
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16
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return result;
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320
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}
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}
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322
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323
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324
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325
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326
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327
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328
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329
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18
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public static String removeExtension(String fileName) {
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330
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18
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if (fileName == null)
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1
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return null;
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332
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17
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final String ext = getExtension(fileName);
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333
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17
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if (ext == null) {
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334
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6
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return fileName;
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335
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} else {
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336
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11
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return fileName.substring(0, fileName.length() - ext.length() - 1);
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337
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}
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338
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}
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339
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340
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341
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342
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343
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12
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public static String changeExtension(String fileName, String newExtension) {
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344
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12
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if (fileName == null)
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345
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2
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return null;
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346
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10
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final String baseFileName = removeExtension(fileName);
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347
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10
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if (StringUtils.isEmpty(newExtension)) {
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348
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5
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return baseFileName;
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349
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} else {
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350
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5
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if (newExtension.charAt(0) != FileConstants.DELIM_EXT)
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351
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5
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newExtension = FileConstants.DELIM_EXT + newExtension;
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352
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5
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return baseFileName + newExtension;
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353
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}
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354
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}
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355
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356
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357
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358
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359
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360
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361
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362
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8
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public static boolean isURL(String string) {
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363
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8
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return string.indexOf("://") > -1;
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364
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}
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365
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366
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367
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368
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369
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370
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371
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372
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4
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public static List parseFileNames(String fileNames) {
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373
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4
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return StringUtils.tokenize(fileNames, File.pathSeparator);
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374
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}
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375
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376
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377
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378
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379
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380
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381
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|
382
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4
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public static File toFile(Object obj) {
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383
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4
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if (obj == null)
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384
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1
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return null;
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385
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3
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if ("".equals(obj))
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386
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1
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return null;
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387
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2
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if (obj instanceof File)
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388
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1
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return (File) obj;
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389
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1
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return new File(String.valueOf(obj));
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390
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}
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391
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}
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