34 lines
982 B
Java
34 lines
982 B
Java
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/*
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* RawCoder
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*
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* Author: Lasse Collin <lasse.collin@tukaani.org>
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*
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* This file has been put into the public domain.
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* You can do whatever you want with this file.
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*/
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package org.tukaani.xz;
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class RawCoder {
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static void validate(FilterCoder[] filters)
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throws UnsupportedOptionsException {
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for (int i = 0; i < filters.length - 1; ++i)
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if (!filters[i].nonLastOK())
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throw new UnsupportedOptionsException(
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"Unsupported XZ filter chain");
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if (!filters[filters.length - 1].lastOK())
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throw new UnsupportedOptionsException(
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"Unsupported XZ filter chain");
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int changesSizeCount = 0;
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for (int i = 0; i < filters.length; ++i)
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if (filters[i].changesSize())
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++changesSizeCount;
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if (changesSizeCount > 3)
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throw new UnsupportedOptionsException(
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"Unsupported XZ filter chain");
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}
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}
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