import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.ArrayList;
+import java.util.Collections;
import java.util.EnumSet;
import java.util.List;
+import java.util.stream.Collectors;
+
+import jalview.bin.Console;
public class FileUtils
{
*/
public static List<File> getFilesFromGlob(String pattern)
{
- List<File> files = new ArrayList<>();
+ return getFilesFromGlob(pattern, true);
+ }
+ public static List<File> getFilesFromGlob(String pattern,
+ boolean allowSingleFilenameThatDoesNotExist)
+ {
+ pattern = substituteHomeDir(pattern);
+ String relativePattern = pattern.startsWith(File.separator) ? null
+ : pattern;
+ List<File> files = new ArrayList<>();
/*
- * For efficiency of the Files.walkFileTree, let's find the longest path that doesn't need globbing.
+ * For efficiency of the Files.walkFileTree(), let's find the longest path that doesn't need globbing.
* We look for the first glob character * { ? and then look for the last File.separator before that.
* Then we can reset the path to look at and shorten the globbing pattern.
* Relative paths can be used in pattern, which work from the pwd (though these are converted into
{
String pS = pattern.substring(0, lastFS + 1);
String rest = pattern.substring(lastFS + 1);
- Path parentDir = Paths.get(pS).toAbsolutePath();
+ if ("".equals(pS))
+ {
+ pS = ".";
+ }
+ Path parentDir = Paths.get(pS);
if (parentDir.toFile().exists())
{
try
String glob = "glob:" + parentDir.toString() + File.separator
+ rest;
PathMatcher pm = FileSystems.getDefault().getPathMatcher(glob);
- int maxDepth = rest.contains("**") ? Integer.MAX_VALUE
+ int maxDepth = rest.contains("**") ? 1028
: (int) (rest.chars()
.filter(ch -> ch == File.separatorChar).count())
+ 1;
+
Files.walkFileTree(parentDir,
EnumSet.of(FileVisitOption.FOLLOW_LINKS), maxDepth,
new SimpleFileVisitor<Path>()
{
// no wildcards
File f = new File(pattern);
- if (f.exists())
+ if (allowSingleFilenameThatDoesNotExist || f.exists())
{
files.add(f);
}
}
+ Collections.sort(files);
return files;
}
-}
\ No newline at end of file
+
+ public static List<String> getFilenamesFromGlob(String pattern)
+ {
+ // convert list of Files to list of File.getPath() Strings
+ return getFilesFromGlob(pattern).stream().map(f -> f.getPath())
+ .collect(Collectors.toList());
+ }
+
+ public static String substituteHomeDir(String path)
+ {
+ return path.startsWith("~" + File.separator)
+ ? System.getProperty("user.home") + path.substring(1)
+ : path;
+ }
+
+ /*
+ * This method returns the basename of File file
+ */
+ public static String getBasename(File file)
+ {
+ return getBasenameOrExtension(file, false);
+ }
+
+ /*
+ * This method returns the extension of File file.
+ */
+ public static String getExtension(File file)
+ {
+ return getBasenameOrExtension(file, true);
+ }
+
+ public static String getBasenameOrExtension(File file, boolean extension)
+ {
+ if (file == null)
+ return null;
+
+ String value = null;
+ String filename = file.getName();
+ int lastDot = filename.lastIndexOf('.');
+ if (lastDot > 0) // don't truncate if starts with '.'
+ {
+ value = extension ? filename.substring(lastDot + 1)
+ : filename.substring(0, lastDot);
+ }
+ else
+ {
+ value = extension ? "" : filename;
+ }
+ return value;
+ }
+
+ /*
+ * This method returns the dirname of the first --append or --open value.
+ * Used primarily for substitutions in output filenames.
+ */
+ public static String getDirname(File file)
+ {
+ if (file == null)
+ return null;
+
+ String dirname = null;
+ File p = file.getParentFile();
+ if (p == null)
+ {
+ p = new File(".");
+ }
+ File d = new File(substituteHomeDir(p.getPath()));
+ dirname = d.getPath();
+ return dirname;
+ }
+
+ public static String convertWildcardsToPath(String value, String wildcard,
+ String dirname, String basename)
+ {
+ if (value == null)
+ {
+ return null;
+ }
+ StringBuilder path = new StringBuilder();
+ int lastFileSeparatorIndex = value.lastIndexOf(File.separatorChar);
+ int wildcardBeforeIndex = value.indexOf(wildcard);
+ if (lastFileSeparatorIndex > wildcard.length() - 1
+ && wildcardBeforeIndex < lastFileSeparatorIndex)
+ {
+ path.append(value.substring(0, wildcardBeforeIndex));
+ path.append(dirname);
+ path.append(value.substring(wildcardBeforeIndex + wildcard.length(),
+ lastFileSeparatorIndex + 1));
+ }
+ else
+ {
+ path.append(value.substring(0, lastFileSeparatorIndex + 1));
+ }
+ int wildcardAfterIndex = value.indexOf(wildcard,
+ lastFileSeparatorIndex);
+ if (wildcardAfterIndex > lastFileSeparatorIndex)
+ {
+ path.append(value.substring(lastFileSeparatorIndex + 1,
+ wildcardAfterIndex));
+ path.append(basename);
+ path.append(value.substring(wildcardAfterIndex + wildcard.length()));
+ }
+ else
+ {
+ path.append(value.substring(lastFileSeparatorIndex + 1));
+ }
+ return path.toString();
+ }
+
+ public static File getParentDir(File file)
+ {
+ if (file == null)
+ {
+ return null;
+ }
+ File parentDir = file.getAbsoluteFile().getParentFile();
+ return parentDir;
+ }
+
+ public static boolean checkParentDir(File file, boolean mkdirs)
+ {
+ if (file == null)
+ {
+ return false;
+ }
+ File parentDir = getParentDir(file);
+ if (parentDir.exists())
+ {
+ // already exists, nothing to do so nothing to worry about!
+ return true;
+ }
+
+ if (!mkdirs)
+ {
+ return false;
+ }
+
+ Path path = file.toPath();
+ for (int i = 0; i < path.getNameCount(); i++)
+ {
+ Path p = path.getName(i);
+ if ("..".equals(p.toString()))
+ {
+ Console.warn("Cautiously not running mkdirs on " + file.toString()
+ + " because the path to be made contains '..'");
+ return false;
+ }
+ }
+
+ return parentDir.mkdirs();
+ }
+}