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@@ -17,8 +17,15 @@ |
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package org.apache.poi.hwpf.model; |
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import java.util.Arrays; |
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import org.apache.poi.util.Internal; |
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/** |
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* A data structure used to hold some data we don't |
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* understand / can't handle, so we have it available |
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* for when we come to write back out again |
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*/ |
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@Internal |
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public final class UnhandledDataStructure |
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{ |
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@@ -26,14 +33,20 @@ public final class UnhandledDataStructure |
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public UnhandledDataStructure(byte[] buf, int offset, int length) |
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{ |
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// System.out.println("Yes, using my code"); |
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_buf = new byte[length]; |
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// Sanity check the size they've asked for |
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if (offset + length > buf.length) |
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{ |
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throw new IndexOutOfBoundsException("buffer length is " + buf.length + |
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"but code is trying to read " + length + " from offset " + offset); |
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throw new IndexOutOfBoundsException("Buffer Length is " + buf.length + " " + |
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"but code is tried to read " + length + " from offset " + offset); |
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} |
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if (offset < 0 || length < 0) |
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{ |
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throw new IndexOutOfBoundsException("Offset and Length must both be >= 0, negative " + |
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"indicies are not permitted - code is tried to read " + length + " from offset " + offset); |
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} |
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System.arraycopy(buf, offset, _buf, 0, length); |
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// Save that requested portion of the data |
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_buf = Arrays.copyOfRange(buf, offset, offset + length); |
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} |
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byte[] getBuf() |