Ensure we always encode all data in JdkZlibEncoder. (#8305)
Motivation: In theory our estimation of the needed buffer could be off and so we need to ensure we grow it if there is no space left. Modifications: Ensure we grow the buffer if there is no space left in there but we still have data to deflate. Result: Correctly deflate data in all cases.
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@ -225,8 +225,18 @@ public class JdkZlibEncoder extends ZlibEncoder {
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}
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deflater.setInput(inAry, offset, len);
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while (!deflater.needsInput()) {
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for (;;) {
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deflate(out);
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if (deflater.needsInput()) {
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// Consumed everything
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break;
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} else {
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if (!out.isWritable()) {
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// We did not consume everything but the buffer is not writable anymore. Increase the capacity to
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// make more room.
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out.ensureWritable(out.writerIndex());
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}
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}
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}
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}
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