gw.fs.IDirectoryUtil Maven / Gradle / Ivy
/*
* Copyright 2014 Guidewire Software, Inc.
*/
package gw.fs;
import gw.config.CommonServices;
import gw.fs.jar.IJarFileDirectory;
import gw.lang.UnstableAPI;
import gw.util.DynamicArray;
import javax.sound.midi.Patch;
import java.util.List;
@UnstableAPI
public class IDirectoryUtil {
public static DynamicArray allContainedFilesExcludingIgnored(IDirectory dir) {
DynamicArray files = new DynamicArray();
allContainedFilesExcludingIgnored(dir, dir, files);
return files;
}
private static void allContainedFilesExcludingIgnored(IDirectory root, IDirectory dir, DynamicArray files) {
files.addAll(dir.listFiles());
for (IDirectory subDir : dir.listDirs()) {
if (!CommonServices.getPlatformHelper().isPathIgnored(root.relativePath(subDir))) {
allContainedFilesExcludingIgnored(root, subDir, files);
}
}
}
public static DynamicArray splitPath(String relativePath) {
DynamicArray results = new DynamicArray();
int left = 0;
int cur = 0;
int right = relativePath.length();
boolean consumingPathSeparators = true;
boolean first = true;
while (left < right) {
while (cur < right && isPathSeparator(relativePath.charAt(cur)) == consumingPathSeparators) {
cur++;
}
if (!consumingPathSeparators) {
if (cur > left) {
String pathComponent = relativePath.substring(left, cur);
if (pathComponent.equals(".") && !first) {
// ignore
} else if (pathComponent.equals("..") && !first) {
if (results.isEmpty() || results.get(results.size() - 1).equals("..")) {
results.add(pathComponent);
} else {
results.remove(results.size() - 1);
}
} else {
results.add(pathComponent);
}
}
}
if (left != cur) {
left = cur;
first = false;
}
consumingPathSeparators = !consumingPathSeparators;
}
return results;
}
private static boolean isPathSeparator(char character) {
return character == '/' || character == '\\';
}
public static String relativePath(IResource root, IResource resource) {
return root.getPath().relativePath(resource.getPath(), "/");
}
public static IDirectory dir(IJarFileDirectory root, String relativePath) {
List pathComponents = IDirectoryUtil.splitPath(relativePath);
if (pathComponents.size() == 0) {
return root;
} else if (pathComponents.size() == 1) {
return root.getOrCreateDirectory(pathComponents.get(0));
} else {
return findParentDirectory(root, pathComponents);
}
}
public static IFile file(IJarFileDirectory root, String path) {
List pathComponents = IDirectoryUtil.splitPath(path);
if (pathComponents.size() == 0) {
throw new IllegalArgumentException("Cannot call file() with an empty path");
} else if (pathComponents.size() == 1) {
return root.getOrCreateFile(pathComponents.get(0));
} else {
String fileName = pathComponents.remove(pathComponents.size() - 1);
IDirectory parentDir = findParentDirectory(root, pathComponents);
return parentDir.file(fileName);
}
}
private static IDirectory findParentDirectory(IDirectory root, List relativePath) {
IDirectory parent = root;
for (String pathComponent : relativePath) {
if (pathComponent.equals(".")) {
// Do nothing
} else if (pathComponent.equals("..")) {
parent = parent.getParent();
} else {
parent = parent.dir(pathComponent);
}
}
return parent;
}
}