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// **********************************************************************
//
// Copyright (c) 2003-2009 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
import Filesystem.*;
public class Client extends Ice.Application
{
// Recursively print the contents of directory "dir" in tree fashion.
// For files, show the contents of each file. The "depth"
// parameter is the current nesting level (for indentation).
static void
listRecursive(DirectoryPrx dir, int depth)
{
char[] indentCh = new char[++depth];
java.util.Arrays.fill(indentCh, '\t');
String indent = new String(indentCh);
NodeDesc[] contents = dir.list();
for (int i = 0; i < contents.length; ++i) {
DirectoryPrx subdir = DirectoryPrxHelper.checkedCast(contents[i].proxy);
FilePrx file = FilePrxHelper.uncheckedCast(contents[i].proxy);
System.out.println(indent + contents[i].name + (subdir != null ? " (directory):" : " (file):"));
if (subdir != null) {
listRecursive(subdir, depth);
} else {
String[] text = file.read();
for (int j = 0; j < text.length; ++j)
System.out.println(indent + "\t" + text[j]);
}
}
}
class ShutdownHook extends Thread
{
public void
run()
{
try
{
communicator().destroy();
}
catch(Ice.LocalException ex)
{
ex.printStackTrace();
}
}
}
public int
run(String[] args)
{
//
// Since this is an interactive demo we want to clear the
// Application installed interrupt callback and install our
// own shutdown hook.
//
setInterruptHook(new ShutdownHook());
//
// Create a proxy for the root directory.
//
DirectoryPrx rootDir = DirectoryPrxHelper.checkedCast(communicator().propertyToProxy("RootDir.Proxy"));
if(rootDir == null)
{
System.err.println("Client: invalid proxy");
return 1;
}
try
{
//
// Create a file called "README" in the root directory.
//
try
{
FilePrx readme = rootDir.createFile("README");
String[] text = new String[1];
text[0] = "This file system contains a collection of poetry.";
readme.write(text);
System.out.println("Created README.");
}
catch(NameInUse ex)
{
//
// Ignore - file already exists.
//
}
//
// Create a directory called "Coleridge" in the root directory.
//
DirectoryPrx coleridge = null;
try
{
coleridge = rootDir.createDirectory("Coleridge");
System.out.println("Created Coleridge.");
}
catch(NameInUse ex)
{
NodeDesc desc = rootDir.find("Coleridge");
coleridge = DirectoryPrxHelper.checkedCast(desc.proxy);
assert(coleridge != null);
}
//
// Create a file called "Kubla_Khan" in the Coleridge directory.
//
try
{
FilePrx file = coleridge.createFile("Kubla_Khan");
String[] text = new String[5];
text[0] = "In Xanadu did Kubla Khan";
text[1] = "A stately pleasure-dome decree:";
text[2] = "Where Alph, the sacred river, ran";
text[3] = "Through caverns measureless to man";
text[4] = "Down to a sunless sea.";
file.write(text);
System.out.println("Created Coleridge/Kubla_Khan.");
}
catch(NameInUse ex)
{
//
// Ignore - file already exists.
//
}
System.out.println("Contents of filesystem:");
listRecursive(rootDir, 0);
//
// Destroy the filesystem.
//
NodeDesc[] contents = rootDir.list();
for(int i = 0; i < contents.length; ++i)
{
NodeDesc d = contents[i];
System.out.println("Destroying " + d.name);
d.proxy.destroy();
}
}
catch(Ice.UserException ex)
{
ex.printStackTrace();
}
return 0;
}
public static void
main(String[] args)
{
Client app = new Client();
int status = app.main("Client", args, "config.client");
System.exit(status);
}
}
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