org.apache.poi.poifs.dev.POIFSViewer Maven / Gradle / Ivy
/* ====================================================================
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
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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.dev;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
/**
* A simple viewer for POIFS files
*
* @author Marc Johnson (mjohnson at apache dot org)
*/
public class POIFSViewer
{
/**
* Display the contents of multiple POIFS files
*
* @param args the names of the files to be displayed
*/
public static void main(final String args[])
{
if (args.length < 0)
{
System.err.println("Must specify at least one file to view");
System.exit(1);
}
boolean printNames = (args.length > 1);
for (int j = 0; j < args.length; j++)
{
viewFile(args[ j ], printNames);
}
}
private static void viewFile(final String filename,
final boolean printName)
{
if (printName)
{
StringBuffer flowerbox = new StringBuffer();
flowerbox.append(".");
for (int j = 0; j < filename.length(); j++)
{
flowerbox.append("-");
}
flowerbox.append(".");
System.out.println(flowerbox);
System.out.println("|" + filename + "|");
System.out.println(flowerbox);
}
try
{
POIFSViewable fs =
new POIFSFileSystem(new FileInputStream(filename));
List strings = POIFSViewEngine.inspectViewable(fs, true,
0, " ");
Iterator iter = strings.iterator();
while (iter.hasNext())
{
System.out.print(iter.next());
}
}
catch (IOException e)
{
System.out.println(e.getMessage());
}
}
} // end public class POIFSViewer