testsavedbytable.java

java 读写word excel ppt

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package org.apache.poi.hwpf.model;

import java.io.*;
import java.util.*;
import junit.framework.*;

import org.apache.poi.hwpf.*;
import org.apache.poi.hwpf.model.*;
import org.apache.poi.util.*;

/**
 * Unit test for {@link SavedByTable} and {@link SavedByEntry}.
 *
 * @author Daniel Noll
 */
public class TestSavedByTable
  extends TestCase
{
  /** Data dir */
  private File testFile = new File(new File(System.getProperty("HWPF.testdata.path")), "saved-by-table.doc");

  /** The expected entries in the test document. */
  private List expected = Arrays.asList(new Object[] {
    new SavedByEntry("cic22", "C:\\DOCUME~1\\phamill\\LOCALS~1\\Temp\\AutoRecovery save of Iraq - security.asd"),
    new SavedByEntry("cic22", "C:\\DOCUME~1\\phamill\\LOCALS~1\\Temp\\AutoRecovery save of Iraq - security.asd"),
    new SavedByEntry("cic22", "C:\\DOCUME~1\\phamill\\LOCALS~1\\Temp\\AutoRecovery save of Iraq - security.asd"),
    new SavedByEntry("JPratt", "C:\\TEMP\\Iraq - security.doc"),
    new SavedByEntry("JPratt", "A:\\Iraq - security.doc"),
    new SavedByEntry("ablackshaw", "C:\\ABlackshaw\\Iraq - security.doc"),
    new SavedByEntry("ablackshaw", "C:\\ABlackshaw\\A;Iraq - security.doc"),
    new SavedByEntry("ablackshaw", "A:\\Iraq - security.doc"),
    new SavedByEntry("MKhan", "C:\\TEMP\\Iraq - security.doc"),
    new SavedByEntry("MKhan", "C:\\WINNT\\Profiles\\mkhan\\Desktop\\Iraq.doc")
  });

  /**
   * Tests reading in the entries, comparing them against the expected entries.
   * Then tests writing the document out and reading the entries yet again.
   *
   * @throws Exception if an unexpected error occurs.
   */
  public void testReadWrite()
    throws Exception
  {
    // This document is widely available on the internet as "blair.doc".
    // I tried stripping the content and saving the document but my version
    // of Word (from Office XP) strips this table out.
    InputStream stream = new BufferedInputStream(new FileInputStream(testFile));
    HWPFDocument doc;
    try
    {
      doc = new HWPFDocument(stream);
    }
    finally
    {
      stream.close();
    }

    // Check what we just read.
    assertEquals("List of saved-by entries was not as expected",
                 expected, doc.getSavedByTable().getEntries());

    // Now write the entire document out, and read it back in...
    ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
    doc.write(byteStream);
    InputStream copyStream = new ByteArrayInputStream(byteStream.toByteArray());
    HWPFDocument copy = new HWPFDocument(copyStream);

    // And check again.
    assertEquals("List of saved-by entries was incorrect after writing",
                 expected, copy.getSavedByTable().getEntries());
  }
}