Package org.h2.store.fs

Examples of org.h2.store.fs.FileObject

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        testReadOnly();
        testAdapter();
    }

    private static void testAdapter() {
        TraceSystem ts = new TraceSystem(null);
        ts.setLevelFile(TraceSystem.ADAPTER);
        ts.getTrace("test").info("test");
        ts.close();
    }
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        ts.getTrace("test").info("test");
        ts.close();
    }

    private void testTraceDebug() {
        TraceSystem ts = new TraceSystem(null);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ts.setSysOut(new PrintStream(out));
        ts.setLevelSystemOut(TraceSystem.DEBUG);
        ts.getTrace("test").debug(new Exception("error"), "test");
        ts.close();
        String outString = new String(out.toByteArray());
        assertContains(outString, "error");
        assertContains(outString, "Exception");
        assertContains(outString, "test");
    }
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    private void testReadOnly() throws Exception {
        String readOnlyFile = getBaseDir() + "/readOnly.log";
        IOUtils.delete(readOnlyFile);
        IOUtils.openFileOutputStream(readOnlyFile, false).close();
        FileSystem.getInstance(getBaseDir()).setReadOnly(readOnlyFile);
        TraceSystem ts = new TraceSystem(readOnlyFile);
        ts.setLevelFile(TraceSystem.INFO);
        ts.getTrace("test").info("test");
        IOUtils.delete(readOnlyFile);
        ts.close();
    }
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        FileSystem.getInstance("split:").delete("split:" + getBaseDir() + "/openClose2.h2.db");
        Connection conn;
        conn = DriverManager.getConnection("jdbc:h2:split:18:" + getBaseDir() + "/openClose2");
        conn.createStatement().execute("create table test(id int, name varchar) as select 1, space(1000000)");
        conn.close();
        FileObject f = FileSystem.getInstance(getBaseDir()).openFileObject(getBaseDir() + "/openClose2.h2.db.1.part", "rw");
        f.setFileLength(f.length() * 2);
        f.close();
        assertThrows(ErrorCode.IO_EXCEPTION_2, this).
                getConnection("jdbc:h2:split:18:" + getBaseDir() + "/openClose2");
        FileSystem.getInstance("split:").delete("split:" + getBaseDir() + "/openClose2.h2.db");
    }
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    public String getCanonicalPath(String fileName) {
        return fileName;
    }

    public InputStream openFileInputStream(String fileName) throws IOException {
        FileObject file = openFileObject(fileName, "r");
        return new FileObjectInputStream(file);
    }
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        }
        println("");
    }

    private void truncate(String fileName, long length) {
        FileObject f = null;
        try {
            f = IOUtils.openFileObject(fileName, "rw");
            f.setFileLength(length);
        } catch (IOException e) {
            error(e);
        } finally {
            try {
                f.close();
            } catch (IOException e) {
                error(e);
            }
        }
    }
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        return Math.max(0, len - FileObjectCrypt.HEADER_LENGTH - FileObjectCrypt.BLOCK_SIZE);
    }

    public FileObject openFileObject(String fileName, String mode) throws IOException {
        String[] parsed = parse(fileName);
        FileObject file = IOUtils.openFileObject(parsed[2], mode);
        return new FileObjectCrypt(fileName, parsed[0], parsed[1], file);
    }
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        return new FileObjectCrypt(fileName, parsed[0], parsed[1], file);
    }

    public OutputStream openFileOutputStream(String fileName, boolean append) {
        try {
            FileObject file = openFileObject(fileName, "rw");
            return new FileObjectOutputStream(file, append);
        } catch (IOException e) {
            throw DbException.convertIOException(e, fileName);
        }
    }
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        }
    }

    public InputStream openFileInputStream(String fileName) {
        try {
            FileObject file = openFileObject(fileName, "r");
            return new FileObjectInputStream(file);
        } catch (IOException e) {
            throw DbException.convertIOException(e, fileName);
        }
    }
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        fs.createDirs(fsBase + "/test/x");
        fs.delete(fsBase + "/test");
        fs.delete(fsBase + "/test2");
        assertTrue(fs.createNewFile(fsBase + "/test"));
        assertTrue(fs.canWrite(fsBase + "/test"));
        FileObject fo = fs.openFileObject(fsBase + "/test", "rw");
        byte[] buffer = new byte[10000];
        Random random = new Random(1);
        random.nextBytes(buffer);
        fo.write(buffer, 0, 10000);
        assertEquals(10000, fo.length());
        fo.seek(20000);
        assertEquals(20000, fo.getFilePointer());
        assertThrows(EOFException.class, fo).readFully(buffer, 0, 1);
        assertEquals(fsBase + "/test", fo.getName().replace('\\', '/'));
        assertEquals("test", fs.getFileName(fo.getName()));
        assertEquals(fsBase, fs.getParent(fo.getName()).replace('\\', '/'));
        fo.tryLock();
        fo.releaseLock();
        assertEquals(10000, fo.length());
        fo.close();
        assertEquals(10000, fs.length(fsBase + "/test"));
        fo = fs.openFileObject(fsBase + "/test", "r");
        byte[] test = new byte[10000];
        fo.readFully(test, 0, 10000);
        assertEquals(buffer, test);
        assertThrows(IOException.class, fo).write(test, 0, 10);
        assertThrows(IOException.class, fo).setFileLength(10);
        fo.close();
        long lastMod = fs.getLastModified(fsBase + "/test");
        if (lastMod < time - 1999) {
            // at most 2 seconds difference
            assertEquals(time, lastMod);
        }
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