Examples of org.apache.commons.vfs2.FileSystemException

org.apache.commons.vfs2.FileSystemException
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            {
                // VFS-210: We do not want to trunc any existing file, checking for its existence is
                // still required
                if (exists() && !FileType.FILE.equals(getType()))
                {
                    throw new FileSystemException("vfs.provider/create-file.error", name);
                }


                if (!exists())
                {
                    getOutputStream().close();
                    endOutput();
                }
            }
            catch (final RuntimeException re)
            {
                throw re;
            }
            catch (final Exception e)
            {
                throw new FileSystemException("vfs.provider/create-file.error", name, e);
            }
        }
    }

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                // Already exists as correct type
                return;
            }
            if (getType() != FileType.IMAGINARY)
            {
                throw new FileSystemException("vfs.provider/create-folder-mismatched-type.error", name);
            }
            /* VFS-210: checking for writeable is not always possible as the security constraint might
               be more complex
            if (!isWriteable())
            {
                throw new FileSystemException("vfs.provider/create-folder-read-only.error", name);
            }
            */


            // Traverse up the heirarchy and make sure everything is a folder
            final FileObject parent = getParent();
            if (parent != null)
            {
                parent.createFolder();
            }


            try
            {
                // Create the folder
                doCreateFolder();


                // Update cached info
                handleCreate(FileType.FOLDER);
            }
            catch (final RuntimeException re)
            {
                throw re;
            }
            catch (final Exception exc)
            {
                throw new FileSystemException("vfs.provider/create-folder.error", name, exc);
            }
        }
    }

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    public void copyFrom(final FileObject file, final FileSelector selector)
        throws FileSystemException
    {
        if (!file.exists())
        {
            throw new FileSystemException("vfs.provider/copy-missing-file.error", file);
        }
        /* we do not alway know if a file is writeable
        if (!isWriteable())
        {
            throw new FileSystemException("vfs.provider/copy-read-only.error", new Object[]{file.getType(),
            file.getName(), this}, null);
        }
        */


        // Locate the files to copy across
        final ArrayList<FileObject> files = new ArrayList<FileObject>();
        file.findFiles(selector, false, files);


        // Copy everything across
        final int count = files.size();
        for (int i = 0; i < count; i++)
        {
            final FileObject srcFile = files.get(i);


            // Determine the destination file
            final String relPath = file.getName().getRelativeName(srcFile.getName());
            final FileObject destFile = resolveFile(relPath, NameScope.DESCENDENT_OR_SELF);


            // Clean up the destination file, if necessary
            if (destFile.exists() && destFile.getType() != srcFile.getType())
            {
                // The destination file exists, and is not of the same type,
                // so delete it
                // TODO - add a pluggable policy for deleting and overwriting existing files
                destFile.delete(Selectors.SELECT_ALL);
            }


            // Copy across
            try
            {
                if (srcFile.getType().hasContent())
                {
                    FileUtil.copyContent(srcFile, destFile);
                }
                else if (srcFile.getType().hasChildren())
                {
                    destFile.createFolder();
                }
            }
            catch (final IOException e)
            {
                throw new FileSystemException("vfs.provider/copy-file.error", new Object[]{srcFile, destFile}, e);
            }
        }
    }

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    {
        if (canRenameTo(destFile))
        {
            if (!getParent().isWriteable())
            {
                throw new FileSystemException("vfs.provider/rename-parent-read-only.error", new FileName[]{getName(),
                        getParent().getName()});
            }
        }
        else
        {
            if (!isWriteable())
            {
                throw new FileSystemException("vfs.provider/rename-read-only.error", getName());
            }
        }


        if (destFile.exists() && !isSameFile(destFile))
        {
            destFile.delete(Selectors.SELECT_ALL);
            // throw new FileSystemException("vfs.provider/rename-dest-exists.error", destFile.getName());
        }


        if (canRenameTo(destFile))
        {
            // issue rename on same filesystem
            try
            {
                attach();
                doRename(destFile);


                (FileObjectUtils.getAbstractFileObject(destFile)).handleCreate(getType());


                destFile.close(); // now the destFile is no longer imaginary. force reattach.


                handleDelete(); // fire delete-events. This file-object (src) is like deleted.
            }
            catch (final RuntimeException re)
            {
                throw re;
            }
            catch (final Exception exc)
            {
                throw new FileSystemException("vfs.provider/rename.error", new Object[]
                    {
                        getName(),
                        destFile.getName()
                    }, exc);
            }

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        {
            detach();
        }
        catch (final Exception e)
        {
            throw new FileSystemException("vfs.provider/resync.error", name, e);
        }
    }

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                ftpFs.putClient(client);
            }


            if (!ok)
            {
                throw new FileSystemException("vfs.provider.ftp/finish-put.error", getName());
            }
        }

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     * Closes this file, and its content.
     * @throws FileSystemException if an error occurs.
     */
    public void close() throws FileSystemException
    {
        FileSystemException exc = null;


        // Close the content
        if (content != null)
        {
            try
            {
                content.close();
                content = null;
            }
            catch (FileSystemException e)
            {
                exc = e;
            }
        }


        // Detach from the file
        try
        {
            detach();
        }
        catch (final Exception e)
        {
            exc = new FileSystemException("vfs.provider/close.error", name, e);
        }


        if (exc != null)
        {
            throw exc;

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        {
            throw exc;
        }
        catch (final Exception exc)
        {
            throw new FileSystemException("vfs.provider/read.error", name, exc);
        }
    }

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        if (mode.requestRead())
        {
            if (!getFileSystem().hasCapability(Capability.RANDOM_ACCESS_READ))
            {
                throw new FileSystemException("vfs.provider/random-access-read-not-supported.error");
            }
            if (!isReadable())
            {
                throw new FileSystemException("vfs.provider/read-not-readable.error", name);
            }
        }


        if (mode.requestWrite())
        {
            if (!getFileSystem().hasCapability(Capability.RANDOM_ACCESS_WRITE))
            {
                throw new FileSystemException("vfs.provider/random-access-write-not-supported.error");
            }
            if (!isWriteable())
            {
                throw new FileSystemException("vfs.provider/write-read-only.error", name);
            }
        }


        // Get the raw input stream
        try
        {
            return doGetRandomAccessContent(mode);
        }
        catch (final Exception exc)
        {
            throw new FileSystemException("vfs.provider/random-access.error", name, exc);
        }
    }

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        }
        */


        if (bAppend && !getFileSystem().hasCapability(Capability.APPEND_CONTENT))
        {
            throw new FileSystemException("vfs.provider/write-append-not-supported.error", name);
        }


        if (getType() == FileType.IMAGINARY)
        {
// Does not exist - make sure parent does
            FileObject parent = getParent();
            if (parent != null)
            {
                parent.createFolder();
            }
        }


// Get the raw output stream
        try
        {
            return doGetOutputStream(bAppend);
        }
        catch (RuntimeException re)
        {
            throw re;
        }
        catch (Exception exc)
        {
            throw new FileSystemException("vfs.provider/write.error", new Object[]{name}, exc);
        }
    }

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