38 lines
988 B
Java
38 lines
988 B
Java
package crosby.binary.file;
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import java.io.IOException;
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import java.io.InputStream;
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import com.google.protobuf.ByteString;
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/**
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* A FileBlockPosition that remembers what file this is so that it can simply be
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* dereferenced
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*/
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public class FileBlockReference extends FileBlockPosition {
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/**
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* Convenience cache for storing the input this reference is contained
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* within so that it can be cached
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*/
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protected InputStream input;
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protected FileBlockReference(String type, ByteString indexdata) {
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super(type, indexdata);
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}
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public FileBlock read() throws IOException {
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return read(input);
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}
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static FileBlockPosition newInstance(FileBlockBase base, InputStream input,
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long offset, int length) {
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FileBlockReference out = new FileBlockReference(base.type,
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base.indexdata);
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out.datasize = length;
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out.data_offset = offset;
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out.input = input;
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return out;
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}
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}
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