mirror of https://github.com/apache/poi.git
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
parent
8d19052b6a
commit
bfcc46192c
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@ -17,12 +17,15 @@
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package org.apache.poi.poifs.dev;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.util.Iterator;
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import org.apache.poi.poifs.filesystem.DirectoryNode;
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import org.apache.poi.poifs.filesystem.DocumentNode;
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import org.apache.poi.poifs.filesystem.Entry;
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import org.apache.poi.poifs.filesystem.NPOIFSFileSystem;
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import org.apache.poi.poifs.filesystem.POIFSFileSystem;
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/**
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@ -31,59 +34,71 @@ import org.apache.poi.poifs.filesystem.POIFSFileSystem;
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* Much simpler than {@link POIFSViewer}
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*/
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public class POIFSLister {
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/**
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* Display the entries of multiple POIFS files
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*
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* @param args the names of the files to be displayed
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*/
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public static void main(final String args[]) throws IOException {
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if (args.length == 0) {
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System.err.println("Must specify at least one file to view");
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System.exit(1);
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}
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/**
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* Display the entries of multiple POIFS files
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*
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* @param args the names of the files to be displayed
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*/
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public static void main(final String args[]) throws IOException {
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if (args.length == 0) {
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System.err.println("Must specify at least one file to view");
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System.exit(1);
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}
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boolean withSizes = false;
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for (int j = 0; j < args.length; j++) {
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if (args[j].equalsIgnoreCase("-size") || args[j].equalsIgnoreCase("-sizes")) {
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withSizes = true;
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} else {
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viewFile(args[j], withSizes);
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}
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}
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}
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boolean withSizes = false;
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boolean newPOIFS = true;
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for (int j = 0; j < args.length; j++) {
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if (args[j].equalsIgnoreCase("-size") || args[j].equalsIgnoreCase("-sizes")) {
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withSizes = true;
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} else if (args[j].equalsIgnoreCase("-old") || args[j].equalsIgnoreCase("-old-poifs")) {
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newPOIFS = false;
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} else {
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if(newPOIFS) {
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viewFile(args[j], withSizes);
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} else {
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viewFileOld(args[j], withSizes);
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}
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}
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}
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}
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public static void viewFile(final String filename, boolean withSizes) throws IOException {
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POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream(filename));
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displayDirectory(fs.getRoot(), "", withSizes);
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}
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public static void viewFile(final String filename, boolean withSizes) throws IOException {
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NPOIFSFileSystem fs = new NPOIFSFileSystem(new File(filename));
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displayDirectory(fs.getRoot(), "", withSizes);
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}
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public static void displayDirectory(DirectoryNode dir, String indent, boolean withSizes) {
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System.out.println(indent + dir.getName() + " -");
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String newIndent = indent + " ";
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public static void viewFileOld(final String filename, boolean withSizes) throws IOException {
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POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream(filename));
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displayDirectory(fs.getRoot(), "", withSizes);
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}
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boolean hadChildren = false;
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for (Iterator it = dir.getEntries(); it.hasNext();) {
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hadChildren = true;
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Object entry = it.next();
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if (entry instanceof DirectoryNode) {
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displayDirectory((DirectoryNode) entry, newIndent, withSizes);
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} else {
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DocumentNode doc = (DocumentNode) entry;
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String name = doc.getName();
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String size = "";
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if (name.charAt(0) < 10) {
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String altname = "(0x0" + (int) name.charAt(0) + ")" + name.substring(1);
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name = name.substring(1) + " <" + altname + ">";
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}
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if (withSizes) {
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size = " [" + doc.getSize() + " / 0x" + Integer.toHexString(doc.getSize())
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+ "]";
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}
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System.out.println(newIndent + name + size);
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}
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}
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if (!hadChildren) {
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System.out.println(newIndent + "(no children)");
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}
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}
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public static void displayDirectory(DirectoryNode dir, String indent, boolean withSizes) {
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System.out.println(indent + dir.getName() + " -");
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String newIndent = indent + " ";
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boolean hadChildren = false;
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for(Iterator<Entry> it = dir.getEntries(); it.hasNext();) {
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hadChildren = true;
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Entry entry = it.next();
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if (entry instanceof DirectoryNode) {
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displayDirectory((DirectoryNode) entry, newIndent, withSizes);
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} else {
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DocumentNode doc = (DocumentNode) entry;
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String name = doc.getName();
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String size = "";
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if (name.charAt(0) < 10) {
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String altname = "(0x0" + (int) name.charAt(0) + ")" + name.substring(1);
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name = name.substring(1) + " <" + altname + ">";
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}
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if (withSizes) {
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size = " [" + doc.getSize() + " / 0x" +
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Integer.toHexString(doc.getSize()) + "]";
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}
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System.out.println(newIndent + name + size);
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}
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}
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if (!hadChildren) {
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System.out.println(newIndent + "(no children)");
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}
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}
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}
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