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DumpPOIFS: Create a separate named sub-directory for each file to not overwrite each other when passing in multiple files for dumping, check for failing mkdirs() 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1737031 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Dominik Stadler 2016-03-29 18:44:11 +00:00
parent 0cbe6c7d1d
commit b402906071
1 changed files with 21 additions and 17 deletions
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38
src/java/org/apache/poi/poifs/dev/POIFSDump.java
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@ -46,46 +46,48 @@ public class POIFSDump {
}
boolean dumpProps = false, dumpMini = false;
for (int i = 0; i < args.length; i++) {
if (args[i].equalsIgnoreCase("-dumprops") ||
args[i].equalsIgnoreCase("-dump-props") ||
args[i].equalsIgnoreCase("-dump-properties")) {
for (String filename : args) {
if (filename.equalsIgnoreCase("-dumprops") ||
filename.equalsIgnoreCase("-dump-props") ||
filename.equalsIgnoreCase("-dump-properties")) {
dumpProps = true;
continue;
}
if (args[i].equalsIgnoreCase("-dumpmini") ||
args[i].equalsIgnoreCase("-dump-mini") ||
args[i].equalsIgnoreCase("-dump-ministream") ||
args[i].equalsIgnoreCase("-dump-mini-stream")) {
if (filename.equalsIgnoreCase("-dumpmini") ||
filename.equalsIgnoreCase("-dump-mini") ||
filename.equalsIgnoreCase("-dump-ministream") ||
filename.equalsIgnoreCase("-dump-mini-stream")) {
dumpMini = true;
continue;
}
System.out.println("Dumping " + args[i]);
FileInputStream is = new FileInputStream(args[i]);
System.out.println("Dumping " + filename);
FileInputStream is = new FileInputStream(filename);
NPOIFSFileSystem fs = new NPOIFSFileSystem(is);
is.close();
DirectoryEntry root = fs.getRoot();
File file = new File(root.getName());
file.mkdir();
File file = new File(new File(filename).getName(), root.getName());
if (!file.exists() && !file.mkdirs()) {
throw new IOException("Could not create directory " + file);
}
dump(root, file);
if (dumpProps) {
HeaderBlock header = fs.getHeaderBlock();
dump(fs, header.getPropertyStart(), "properties", file);
}
if (dumpMini) {
NPropertyTable props = fs.getPropertyTable();
int startBlock = props.getRoot().getStartBlock();
int startBlock = props.getRoot().getStartBlock();
if (startBlock == POIFSConstants.END_OF_CHAIN) {
System.err.println("No Mini Stream in file");
} else {
dump(fs, startBlock, "mini-stream", file);
}
}
fs.close();
}
}
@ -108,7 +110,9 @@ public class POIFSDump {
} else if (entry instanceof DirectoryEntry){
DirectoryEntry dir = (DirectoryEntry)entry;
File file = new File(parent, entry.getName());
file.mkdir();
if(!file.exists() && !file.mkdirs()) {
throw new IOException("Could not create directory " + file);
}
dump(dir, file);
} else {
System.err.println("Skipping unsupported POIFS entry: " + entry);