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Lines 46-51
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private final byte[] dataBuffer; // varying size, the actual native data |
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private final byte[] dataBuffer; // varying size, the actual native data |
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private short flags3; // some final flags? or zero terminators?, sometimes not there |
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private short flags3; // some final flags? or zero terminators?, sometimes not there |
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public static final String OLE10_NATIVE = "\u0001Ole10Native"; |
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public static final String OLE10_NATIVE = "\u0001Ole10Native"; |
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public static final String OLE10_ITEM_NAME = "\u0001Ole10ItemName"; |
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public static final String OBJ_INFO = "\u0003ObjInfo"; |
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/** |
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/** |
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* Creates an instance of this class from an embedded OLE Object. The OLE Object is expected |
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* Creates an instance of this class from an embedded OLE Object. The OLE Object is expected |
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Lines 72-84
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* @throws Ole10NativeException on invalid or unexcepted data format |
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* @throws Ole10NativeException on invalid or unexcepted data format |
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*/ |
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*/ |
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public static Ole10Native createFromEmbeddedOleObject(DirectoryNode directory) throws IOException, Ole10NativeException { |
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public static Ole10Native createFromEmbeddedOleObject(DirectoryNode directory) throws IOException, Ole10NativeException { |
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boolean plain = false; |
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try { |
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boolean plain = directory.hasEntry(OLE10_ITEM_NAME); |
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directory.getEntry("\u0001Ole10ItemName"); |
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plain = true; |
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if (directory.hasEntry(OBJ_INFO)) { |
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} catch (FileNotFoundException ex) { |
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plain |= parseObjInfo(directory, (DocumentEntry) directory.getEntry(OBJ_INFO)); |
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plain = false; |
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} |
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} |
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DocumentEntry nativeEntry = |
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DocumentEntry nativeEntry = |
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Lines 90-95
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} |
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} |
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/** |
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/** |
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* @return true when the corresponding Ole10Native stream is thought to be in plain format |
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*/ |
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private static boolean parseObjInfo(DirectoryNode directory, DocumentEntry objInfoEntry) throws IOException { |
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byte[] data = new byte[objInfoEntry.getSize()]; |
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directory.createDocumentInputStream(objInfoEntry).read(data); |
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if (data.length < 6) |
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return true; |
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boolean fStoredAsEMF = (data[4] & 0x4) != 0; |
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// This is based on empirical evidence only at the moment |
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return ! fStoredAsEMF; |
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} |
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/** |
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* Creates an instance and fills the fields based on the data in the given buffer. |
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* Creates an instance and fills the fields based on the data in the given buffer. |
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* |
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* |
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* @param data The buffer containing the Ole10Native record |
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* @param data The buffer containing the Ole10Native record |
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Lines 118-126
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ofs += LittleEndianConsts.INT_SIZE; |
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ofs += LittleEndianConsts.INT_SIZE; |
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if (plain) { |
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if (plain) { |
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dataBuffer = new byte[totalSize-4]; |
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dataBuffer = new byte[totalSize]; |
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System.arraycopy(data, 4, dataBuffer, 0, dataBuffer.length); |
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System.arraycopy(data, 4, dataBuffer, 0, dataBuffer.length); |
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dataSize = totalSize - 4; |
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dataSize = dataBuffer.length; |
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byte[] oleLabel = new byte[8]; |
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byte[] oleLabel = new byte[8]; |
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System.arraycopy(dataBuffer, 0, oleLabel, 0, Math.min(dataBuffer.length, 8)); |
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System.arraycopy(dataBuffer, 0, oleLabel, 0, Math.min(dataBuffer.length, 8)); |