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Allow POIFSLister to switch between the two different POIFS implementations when listing 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1053274 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2010-12-28 07:13:47 +00:00
parent 9a865f1a30
commit 5ed63966c4
1 changed files with 66 additions and 51 deletions
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117
src/java/org/apache/poi/poifs/dev/POIFSLister.java
View File

@ -17,12 +17,15 @@
package org.apache.poi.poifs.dev;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Iterator;
import org.apache.poi.poifs.filesystem.DirectoryNode;
import org.apache.poi.poifs.filesystem.DocumentNode;
import org.apache.poi.poifs.filesystem.Entry;
import org.apache.poi.poifs.filesystem.NPOIFSFileSystem;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
/**
@ -31,59 +34,71 @@ import org.apache.poi.poifs.filesystem.POIFSFileSystem;
* Much simpler than {@link POIFSViewer}
*/
public class POIFSLister {
/**
* Display the entries of multiple POIFS files
*
* @param args the names of the files to be displayed
*/
public static void main(final String args[]) throws IOException {
if (args.length == 0) {
System.err.println("Must specify at least one file to view");
System.exit(1);
}
/**
* Display the entries of multiple POIFS files
*
* @param args the names of the files to be displayed
*/
public static void main(final String args[]) throws IOException {
if (args.length == 0) {
System.err.println("Must specify at least one file to view");
System.exit(1);
}
boolean withSizes = false;
for (int j = 0; j < args.length; j++) {
if (args[j].equalsIgnoreCase("-size") || args[j].equalsIgnoreCase("-sizes")) {
withSizes = true;
} else {
viewFile(args[j], withSizes);
}
}
}
boolean withSizes = false;
boolean newPOIFS = true;
for (int j = 0; j < args.length; j++) {
if (args[j].equalsIgnoreCase("-size") || args[j].equalsIgnoreCase("-sizes")) {
withSizes = true;
} else if (args[j].equalsIgnoreCase("-old") || args[j].equalsIgnoreCase("-old-poifs")) {
newPOIFS = false;
} else {
if(newPOIFS) {
viewFile(args[j], withSizes);
} else {
viewFileOld(args[j], withSizes);
}
}
}
}
public static void viewFile(final String filename, boolean withSizes) throws IOException {
POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream(filename));
displayDirectory(fs.getRoot(), "", withSizes);
}
public static void viewFile(final String filename, boolean withSizes) throws IOException {
NPOIFSFileSystem fs = new NPOIFSFileSystem(new File(filename));
displayDirectory(fs.getRoot(), "", withSizes);
}
public static void displayDirectory(DirectoryNode dir, String indent, boolean withSizes) {
System.out.println(indent + dir.getName() + " -");
String newIndent = indent + " ";
public static void viewFileOld(final String filename, boolean withSizes) throws IOException {
POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream(filename));
displayDirectory(fs.getRoot(), "", withSizes);
}
boolean hadChildren = false;
for (Iterator it = dir.getEntries(); it.hasNext();) {
hadChildren = true;
Object entry = it.next();
if (entry instanceof DirectoryNode) {
displayDirectory((DirectoryNode) entry, newIndent, withSizes);
} else {
DocumentNode doc = (DocumentNode) entry;
String name = doc.getName();
String size = "";
if (name.charAt(0) < 10) {
String altname = "(0x0" + (int) name.charAt(0) + ")" + name.substring(1);
name = name.substring(1) + " <" + altname + ">";
}
if (withSizes) {
size = " [" + doc.getSize() + " / 0x" + Integer.toHexString(doc.getSize())
+ "]";
}
System.out.println(newIndent + name + size);
}
}
if (!hadChildren) {
System.out.println(newIndent + "(no children)");
}
}
public static void displayDirectory(DirectoryNode dir, String indent, boolean withSizes) {
System.out.println(indent + dir.getName() + " -");
String newIndent = indent + " ";
boolean hadChildren = false;
for(Iterator<Entry> it = dir.getEntries(); it.hasNext();) {
hadChildren = true;
Entry entry = it.next();
if (entry instanceof DirectoryNode) {
displayDirectory((DirectoryNode) entry, newIndent, withSizes);
} else {
DocumentNode doc = (DocumentNode) entry;
String name = doc.getName();
String size = "";
if (name.charAt(0) < 10) {
String altname = "(0x0" + (int) name.charAt(0) + ")" + name.substring(1);
name = name.substring(1) + " <" + altname + ">";
}
if (withSizes) {
size = " [" + doc.getSize() + " / 0x" +
Integer.toHexString(doc.getSize()) + "]";
}
System.out.println(newIndent + name + size);
}
}
if (!hadChildren) {
System.out.println(newIndent + "(no children)");
}
}
}