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dans-dbf-lib's Issues

Opening read only DBF file throws java.io.FileNotFoundException

If my DBF file has write permission then it is opened successfully. However, if my DBF file is read-only, then the method Table.open() throws an java.io.FileNotFoundException. For example,

$ ls -l /tmp/sample.dbf 
-r--r--r-- 1 simoc simoc 225 Feb 26 20:23 /tmp/sample.dbf

the following Java code:

Table t = new Table(new File("/tmp/sample.dbf"));
t.open();

results in:

java.io.FileNotFoundException: /tmp/sample.dbf (Permission denied)
at java.io.RandomAccessFile.open0(Native Method)
at java.io.RandomAccessFile.open(RandomAccessFile.java:316)
at java.io.RandomAccessFile.<init>(RandomAccessFile.java:243)
at nl.knaw.dans.common.dbflib.Table.open(Table.java:273)
at nl.knaw.dans.common.dbflib.Table.open(Table.java:257)
at nl.knaw.dans.common.dbflib.Runner4.main(Runner4.java:12)

NullPointerException reading DBF file opened without directory

If I open a DBF file using a bare filename without a directory, then reading from the file fails. My test program begins:

11  File dbfFile = new File("cars.dbf");
12  Table table = new Table(dbfFile);
13  table.open(IfNonExistent.ERROR);
14  List<Field> fields = table.getFields();
15  Iterator<Record> it = table.recordIterator();
16  while (it.hasNext())
17  {
18    Record record = it.next();

The exception is:

Exception in thread "main" java.lang.NullPointerException
at java.io.File.<init>(File.java:277)
at nl.knaw.dans.common.dbflib.Util.getMemoFile(Util.java:146)
at nl.knaw.dans.common.dbflib.Table.openMemo(Table.java:600)
at nl.knaw.dans.common.dbflib.Table.ensureMemoOpened(Table.java:570)
at nl.knaw.dans.common.dbflib.Table.readMemo(Table.java:552)
at nl.knaw.dans.common.dbflib.Table.getRecordAt(Table.java:698)
at nl.knaw.dans.common.dbflib.Table$RecordIterator.next(Table.java:105)
at nl.knaw.dans.common.dbflib.Table$RecordIterator.next(Table.java:44)
at DansDbfDemo.main(DansDbfDemo.java:18)

If I change the filename to ./cars.dbf then the program works correctly.

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