| |
| /* ==================================================================== |
| 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; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStream; |
| import java.io.PushbackInputStream; |
| import java.util.Arrays; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.poi.hssf.HSSFTestDataSamples; |
| import org.apache.poi.openxml4j.opc.OPCPackage; |
| import org.apache.poi.poifs.filesystem.DocumentFactoryHelper; |
| |
| /** |
| * Class to test that HXF correctly detects OOXML |
| * documents |
| */ |
| public class TestDetectAsOOXML extends TestCase |
| { |
| public void testOpensProperly() throws Exception |
| { |
| OPCPackage.open(HSSFTestDataSamples.openSampleFileStream("sample.xlsx")); |
| } |
| |
| public void testDetectAsPOIFS() throws Exception { |
| InputStream in; |
| |
| // ooxml file is |
| in = new PushbackInputStream( |
| HSSFTestDataSamples.openSampleFileStream("SampleSS.xlsx"), 10 |
| ); |
| assertTrue(DocumentFactoryHelper.hasOOXMLHeader(in)); |
| in.close(); |
| |
| // xls file isn't |
| in = new PushbackInputStream( |
| HSSFTestDataSamples.openSampleFileStream("SampleSS.xls"), 10 |
| ); |
| assertFalse(DocumentFactoryHelper.hasOOXMLHeader(in)); |
| in.close(); |
| |
| // text file isn't |
| in = new PushbackInputStream( |
| HSSFTestDataSamples.openSampleFileStream("SampleSS.txt"), 10 |
| ); |
| assertFalse(DocumentFactoryHelper.hasOOXMLHeader(in)); |
| in.close(); |
| } |
| |
| public void testFileCorruption() throws Exception { |
| |
| // create test InputStream |
| byte[] testData = { (byte)1, (byte)2, (byte)3 }; |
| ByteArrayInputStream testInput = new ByteArrayInputStream(testData); |
| |
| // detect header |
| InputStream in = new PushbackInputStream(testInput, 10); |
| assertFalse(DocumentFactoryHelper.hasOOXMLHeader(in)); |
| //noinspection deprecation |
| assertFalse(POIXMLDocument.hasOOXMLHeader(in)); |
| |
| // check if InputStream is still intact |
| byte[] test = new byte[3]; |
| assertEquals(3, in.read(test)); |
| assertTrue(Arrays.equals(testData, test)); |
| assertEquals(-1, in.read()); |
| } |
| } |