iceBear67
6a2642ab93
- Add zstd-jni dependency for compression support - Define Backup record with name, key, incremental, and size fields - Implement BackupManager with backup listing, deletion, and creation methods - Create BackupWorker to handle backup operations with server state coordination - Refactor WorldDir to simplify dimension handling and file listing - Introduce bundling system with SerialBundlerReader^[[1;5P/Writer for efficient storage - Add BackupStrategy interface with LocalBackupStrategy implementation - Support both compressed and uncompressed backup formats - Add config option for parallel backup operations - Remove old backup implementation from JustBackupMod - Update backup file format with metadata footer and magic number validation
34 lines
1.0 KiB
Java
34 lines
1.0 KiB
Java
package io.ib67.sfcraft.bundler;
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import java.io.FilterInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.nio.ByteBuffer;
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public class EntryInputStream extends FilterInputStream {
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/**
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* Creates a {@code FilterInputStream}
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* by assigning the argument {@code in}
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* to the field {@code this.in} so as
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* to remember it for later use.
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*
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* @param in the underlying input stream, or {@code null} if
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* this instance is to be created without an underlying stream.
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*/
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protected EntryInputStream(InputStream in) {
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super(in);
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}
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public BundlerEntry readEntry() throws IOException {
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var len = ByteBuffer.wrap(readNBytes(4)).getInt();
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var gunzipped = len < 0;
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len = Math.abs(len);
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var name = new String(readNBytes(len)).intern();
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var buf = ByteBuffer.wrap(readNBytes(8));
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var fileLen = buf.getLong();
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var fileOffset = buf.getLong();
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return new BundlerEntry(name, gunzipped, fileLen, fileOffset);
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}
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}
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