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Only create the output file directories when we are actually writing a file there. This should prevent empty directories being created when initializing a nonexistent DataFile using a hash.

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This commit is contained in:
CalDescent 2021-06-21 08:40:52 +01:00
parent 16dc5b5327
commit b915d0aed5
1 changed files with 10 additions and 8 deletions
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10
src/main/java/org/qortal/storage/DataFile.java
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@ -80,7 +80,7 @@ public class DataFile {
String base58Digest = Base58.encode(Crypto.digest(fileContent)); String base58Digest = Base58.encode(Crypto.digest(fileContent));
LOGGER.debug(String.format("File digest: %s, size: %d bytes", base58Digest, fileContent.length)); LOGGER.debug(String.format("File digest: %s, size: %d bytes", base58Digest, fileContent.length));
String outputFilePath = this.getOutputFilePath(base58Digest); String outputFilePath = this.getOutputFilePath(base58Digest, true);
File outputFile = new File(outputFilePath); File outputFile = new File(outputFilePath);
try (FileOutputStream outputStream = new FileOutputStream(outputFile)) { try (FileOutputStream outputStream = new FileOutputStream(outputFile)) {
outputStream.write(fileContent); outputStream.write(fileContent);
@ -97,7 +97,7 @@ public class DataFile {
} }
public static DataFile fromBase58Digest(String base58Digest) { public static DataFile fromBase58Digest(String base58Digest) {
String filePath = DataFile.getOutputFilePath(base58Digest); String filePath = DataFile.getOutputFilePath(base58Digest, false);
return new DataFile(filePath); return new DataFile(filePath);
} }
@ -119,7 +119,7 @@ public class DataFile {
} }
private String copyToDataDirectory() { private String copyToDataDirectory() {
String outputFilePath = this.getOutputFilePath(this.base58Digest()); String outputFilePath = this.getOutputFilePath(this.base58Digest(), true);
Path source = Paths.get(this.filePath).toAbsolutePath(); Path source = Paths.get(this.filePath).toAbsolutePath();
Path dest = Paths.get(outputFilePath).toAbsolutePath(); Path dest = Paths.get(outputFilePath).toAbsolutePath();
try { try {
@ -130,17 +130,19 @@ public class DataFile {
} }
} }
public static String getOutputFilePath(String base58Digest) { public static String getOutputFilePath(String base58Digest, boolean createDirectories) {
String base58DigestFirst2Chars = base58Digest.substring(0, Math.min(base58Digest.length(), 2)); String base58DigestFirst2Chars = base58Digest.substring(0, Math.min(base58Digest.length(), 2));
String base58DigestNext2Chars = base58Digest.substring(2, Math.min(base58Digest.length(), 4)); String base58DigestNext2Chars = base58Digest.substring(2, Math.min(base58Digest.length(), 4));
String outputDirectory = String.format("%s/%s/%s", Settings.getInstance().getDataPath(), base58DigestFirst2Chars, base58DigestNext2Chars); String outputDirectory = String.format("%s/%s/%s", Settings.getInstance().getDataPath(), base58DigestFirst2Chars, base58DigestNext2Chars);
Path outputDirectoryPath = Paths.get(outputDirectory); Path outputDirectoryPath = Paths.get(outputDirectory);
if (createDirectories) {
try { try {
Files.createDirectories(outputDirectoryPath); Files.createDirectories(outputDirectoryPath);
} catch (IOException e) { } catch (IOException e) {
throw new IllegalStateException("Unable to create data subdirectory"); throw new IllegalStateException("Unable to create data subdirectory");
} }
}
return String.format("%s/%s", outputDirectory, base58Digest); return String.format("%s/%s", outputDirectory, base58Digest);
} }