/**
* Copyright (C) 2005 - 2014 Eric Van Dewoestine
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.eclim.plugin.core.command.archive;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.regex.Pattern;
import org.apache.commons.lang.SystemUtils;
import org.apache.commons.vfs.FileObject;
import org.apache.commons.vfs.FileSystemManager;
import org.apache.commons.vfs.VFS;
import org.eclim.annotation.Command;
import org.eclim.command.CommandLine;
import org.eclim.command.Options;
import org.eclim.plugin.core.command.AbstractCommand;
import org.eclim.util.IOUtils;
/**
* Command to read a file from a commons vfs compatable path.
*
* @author Eric Van Dewoestine
*/
@Command(
name = "archive_read",
options = "REQUIRED f file ARG"
)
public class ArchiveReadCommand
extends AbstractCommand
{
private static final String URI_PREFIX = "file://";
private static final Pattern WIN_PATH = Pattern.compile("^/[a-zA-Z]:/.*");
@Override
public String execute(CommandLine commandLine)
throws Exception
{
InputStream in = null;
OutputStream out = null;
FileSystemManager fsManager = null;
try{
String file = commandLine.getValue(Options.FILE_OPTION);
fsManager = VFS.getManager();
FileObject fileObject = fsManager.resolveFile(file.replace("%", "%25"));
FileObject tempFile = fsManager.resolveFile(
SystemUtils.JAVA_IO_TMPDIR + "/eclim/" +
fileObject.getName().getPath().replace("%", "%25"));
// the vfs file cache isn't very intelligent, so clear it.
fsManager.getFilesCache().clear(fileObject.getFileSystem());
fsManager.getFilesCache().clear(tempFile.getFileSystem());
// NOTE: FileObject.getName().getPath() does not include the drive
// information.
String path = tempFile.getName().getURI().substring(URI_PREFIX.length());
// account for windows uri which has an extra '/' in front of the drive
// letter (file:///C:/blah/blah/blah).
if (WIN_PATH.matcher(path).matches()){
path = path.substring(1);
}
//if(!tempFile.exists()){
tempFile.createFile();
in = fileObject.getContent().getInputStream();
out = tempFile.getContent().getOutputStream();
IOUtils.copy(in, out);
new File(path).deleteOnExit();
//}
return path;
}finally{
IOUtils.closeQuietly(in);
IOUtils.closeQuietly(out);
}
}
}