Initial work on a NIO POIFSFileSystem. Currently is able to open the file and read the header, but no more

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1050773 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 59 insertions, 0 deletions

diff --git a/src/testcases/org/apache/poi/poifs/filesystem/TestNPOIFSFileSystem.java b/src/testcases/org/apache/poi/poifs/filesystem/TestNPOIFSFileSystem.java
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+/* ====================================================================
+   Licensed to the Apache Software Foundation (ASF) under one or more
+   contributor license agreements.  See the NOTICE file distributed with
+   this work for additional information regarding copyright ownership.
+   The ASF licenses this file to You under the Apache License, Version 2.0
+   (the "License"); you may not use this file except in compliance with
+   the License.  You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+==================================================================== */
+
+package org.apache.poi.poifs.filesystem;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Iterator;
+
+import junit.framework.TestCase;
+
+import org.apache.poi.POIDataSamples;
+import org.apache.poi.hssf.HSSFTestDataSamples;
+import org.apache.poi.poifs.common.POIFSBigBlockSize;
+import org.apache.poi.poifs.storage.HeaderBlock;
+import org.apache.poi.poifs.storage.RawDataBlockList;
+
+/**
+ * Tests for the new NIO POIFSFileSystem implementation
+ */
+public final class TestNPOIFSFileSystem extends TestCase {
+   private static final POIDataSamples _inst = POIDataSamples.getPOIFSInstance();
+
+   public void testBasicOpen() throws Exception {
+      NPOIFSFileSystem fsA, fsB;
+      
+      // With a simple 512 block file
+      fsA = new NPOIFSFileSystem(_inst.getFile("BlockSize512.zvi"));
+      fsB = new NPOIFSFileSystem(_inst.openResourceAsStream("BlockSize512.zvi"));
+      for(NPOIFSFileSystem fs : new NPOIFSFileSystem[] {fsA,fsB}) {
+         assertEquals(512, fs.getBigBlockSize());
+      }
+      
+      // Now with a simple 4096 block file
+      fsA = new NPOIFSFileSystem(_inst.getFile("BlockSize4096.zvi"));
+      fsB = new NPOIFSFileSystem(_inst.openResourceAsStream("BlockSize4096.zvi"));
+      for(NPOIFSFileSystem fs : new NPOIFSFileSystem[] {fsA,fsB}) {
+         assertEquals(4096, fs.getBigBlockSize());
+      }
+   }
+   
+}