/* ********** START implementation of POIFSReaderListener ********** */
/**
* Process a POIFSReaderEvent that this listener had registered
* for
*
* @param evt the POIFSReaderEvent
*/
public void ProcessPOIFSReaderEvent(POIFSReaderEvent evt)
{
DocumentInputStream istream = evt.Stream;
POIFSDocumentPath path = evt.Path;
String name = evt.Name;
try
{
int size = (int)(istream.Length - istream.Position);
byte[] data = new byte[size];
istream.Read(data);
DocumentDescriptor descriptor = new DocumentDescriptor(path,
name);
Console.WriteLine("Adding document: " + descriptor + " (" + size
+ " bytes)");
dataMap[descriptor] = data;
DirectoryEntry entry = root;
for (int k = 0; k < path.Length; k++)
{
String componentName = path.GetComponent(k);
Entry nextEntry = null;
try
{
nextEntry = entry.GetEntry(componentName);
}
catch (FileNotFoundException)
{
try
{
nextEntry = entry.CreateDirectory(componentName);
}
catch (IOException)
{
Console.WriteLine("Unable to Create directory");
//e.printStackTrace();
throw;
}
}
entry = (DirectoryEntry)nextEntry;
}
entry.CreateDocument(name, size, this);
}
catch (IOException)
{
}
}
/// <summary>
/// equality. Two DocumentDescriptor instances are equal if they
/// have equal paths and names
/// </summary>
/// <param name="o">the object we're checking equality for</param>
/// <returns>true if the object is equal to this object</returns>
public override bool Equals(Object o)
{
bool rval = false;
if ((o != null) && (o.GetType() == this.GetType()))
{
if (this == o)
{
rval = true;
}
else
{
DocumentDescriptor descriptor = ( DocumentDescriptor )o;
rval = this.path.Equals(descriptor.path) &&
this.name.Equals(descriptor.name);
}
}
return(rval);
}
/**
* Register a POIFSReaderListener for a particular document
*
* @param listener the listener
* @param path the path of the document of interest
* @param documentName the name of the document of interest
*/
public void RegisterListener(POIFSReaderListener listener,
POIFSDocumentPath path,
String documentName)
{
if (!omnivorousListeners.Contains(listener))
{
// not an omnivorous listener (if it was, this method is a
// no-op)
ArrayList descriptors = (ArrayList)selectiveListeners[listener];
if (descriptors == null)
{
// this listener has not Registered before
descriptors = new ArrayList();
selectiveListeners[listener] = descriptors;
}
DocumentDescriptor descriptor = new DocumentDescriptor(path,
documentName);
if (descriptors.Add(descriptor) >= 0)
{
// this listener wasn't alReady listening for this
// document -- Add the listener to the Set of
// listeners for this document
ArrayList listeners =
(ArrayList)chosenDocumentDescriptors[descriptor];
if (listeners == null)
{
// nobody was listening for this document before
listeners = new ArrayList();
chosenDocumentDescriptors[descriptor] = listeners;
}
listeners.Add(listener);
}
}
}
private void DropDocument(POIFSReaderListener listener,
DocumentDescriptor descriptor)
{
ArrayList listeners = (ArrayList)chosenDocumentDescriptors[descriptor];
listeners.Remove(listener);
if (listeners.Count == 0)
{
chosenDocumentDescriptors.Remove(descriptor);
}
}
public void TestEquality()
{
String[] names =
{
"c1", "c2", "c3", "c4", "c5"
};
POIFSDocumentPath a1 = new POIFSDocumentPath();
POIFSDocumentPath a2 = new POIFSDocumentPath(null);
POIFSDocumentPath a3 = new POIFSDocumentPath(new String[0]);
POIFSDocumentPath a4 = new POIFSDocumentPath(a1, null);
POIFSDocumentPath a5 = new POIFSDocumentPath(a1,
new String[0]);
POIFSDocumentPath[] paths =
{
a1, a2, a3, a4, a5
};
for (int j = 0; j < paths.Length; j++)
{
for (int k = 0; k < paths.Length; k++)
{
for (int m = 0; m < names.Length; m++)
{
DocumentDescriptor d1 = new DocumentDescriptor(paths[j],
names[m]);
for (int n = 0; n < names.Length; n++)
{
DocumentDescriptor d2 =
new DocumentDescriptor(paths[k], names[n]);
if (m == n)
{
Assert.AreEqual(d1, d2, "" + j + "," + k + "," + m + ","
+ n);
}
else
{
Assert.IsTrue(!d1.Equals(d2), "" + j + "," + k + "," + m + "," + n);
}
}
}
}
}
a2 = new POIFSDocumentPath(a1, new String[]
{
"foo"
});
a3 = new POIFSDocumentPath(a2, new String[]
{
"bar"
});
a4 = new POIFSDocumentPath(a3, new String[]
{
"fubar"
});
a5 = new POIFSDocumentPath(a4, new String[]
{
"foobar"
});
POIFSDocumentPath[] builtUpPaths =
{
a1, a2, a3, a4, a5
};
POIFSDocumentPath[] fullPaths =
{
new POIFSDocumentPath(), new POIFSDocumentPath(new String[]
{
"foo"
}), new POIFSDocumentPath(new String[]
{
"foo", "bar"
}), new POIFSDocumentPath(new String[]
{
"foo", "bar", "fubar"
}), new POIFSDocumentPath(new String[]
{
"foo", "bar", "fubar", "foobar"
})
};
for (int k = 0; k < builtUpPaths.Length; k++)
{
for (int j = 0; j < fullPaths.Length; j++)
{
for (int m = 0; m < names.Length; m++)
{
DocumentDescriptor d1 =
new DocumentDescriptor(fullPaths[j], names[m]);
for (int n = 0; n < names.Length; n++)
{
DocumentDescriptor d2 =
new DocumentDescriptor(builtUpPaths[k],
names[n]);
if ((k == j) && (m == n))
{
Assert.AreEqual(d1, d2, "" + j + "," + k + "," + m + ","
+ n);
}
else
{
Assert.IsTrue(!(d1.Equals(d2)), "" + j + "," + k + "," + m + "," + n);
}
}
}
}
}
POIFSDocumentPath[] badPaths =
{
new POIFSDocumentPath(new String[]
{
"_foo"
}), new POIFSDocumentPath(new String[]
{
"foo", "_bar"
}), new POIFSDocumentPath(new String[]
{
"foo", "bar", "_fubar"
}), new POIFSDocumentPath(new String[]
{
"foo", "bar", "fubar", "_foobar"
})
};
for (int k = 0; k < builtUpPaths.Length; k++)
{
for (int j = 0; j < badPaths.Length; j++)
{
for (int m = 0; m < names.Length; m++)
{
DocumentDescriptor d1 =
new DocumentDescriptor(badPaths[j], names[m]);
for (int n = 0; n < names.Length; n++)
{
DocumentDescriptor d2 =
new DocumentDescriptor(builtUpPaths[k],
names[n]);
Assert.IsTrue(!(d1.Equals(d2)), "" + j + "," + k + "," + m + "," + n);
}
}
}
}
}
/* ********** END implementation of POIFSReaderListener ********** */
/* ********** START implementation of POIFSWriterListener ********** */
/**
* Process a POIFSWriterEvent that this listener had registered
* for
*
* @param evt the POIFSWriterEvent
*/
public void ProcessPOIFSWriterEvent(POIFSWriterEvent evt)
{
try
{
DocumentDescriptor descriptor =
new DocumentDescriptor(evt.Path, evt.Name);
Console.WriteLine("looking up document: " + descriptor + " ("
+ evt.Limit + " bytes)");
evt.Stream.Write((byte[])dataMap[descriptor]);
}
catch (IOException)
{
Console.WriteLine("Unable to Write document");
//e.printStackTrace();
//System.exit(1);
throw;
}
}