package com.ettrema.json;
import com.bradmcevoy.common.Path;
import com.bradmcevoy.http.CollectionResource;
import com.bradmcevoy.http.FileItem;
import com.bradmcevoy.http.MoveableResource;
import com.bradmcevoy.http.PostableResource;
import com.bradmcevoy.http.Range;
import com.bradmcevoy.http.Request;
import com.bradmcevoy.http.Request.Method;
import com.bradmcevoy.http.Resource;
import com.bradmcevoy.http.ResourceFactory;
import com.bradmcevoy.http.exceptions.BadRequestException;
import com.bradmcevoy.http.exceptions.ConflictException;
import com.bradmcevoy.http.exceptions.NotAuthorizedException;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Map;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Forwards the POST request to the move method on the wrapped
* resource
*
* @author brad
*/
public class MoveJsonResource extends JsonResource implements PostableResource {
private static final Logger log = LoggerFactory.getLogger( MoveJsonResource.class );
private final String host;
private final ResourceFactory resourceFactory;
private final MoveableResource wrapped;
public MoveJsonResource( String host, MoveableResource copyableResource, ResourceFactory resourceFactory ) {
super(copyableResource, Request.Method.COPY.code, null);
this.host = host;
this.wrapped = copyableResource;
this.resourceFactory = resourceFactory;
}
public String processForm( Map<String, String> parameters, Map<String, FileItem> files ) throws BadRequestException, NotAuthorizedException {
String dest = parameters.get( "destination");
if( dest == null ) {
throw new BadRequestException(this, "The destination parameter is null");
} else if (dest.trim().length() == 0 ) {
throw new BadRequestException(this, "The destination parameter is empty");
}
Path pDest = Path.path( dest );
if( pDest == null ) {
throw new BadRequestException(this, "Couldnt parse the destination header, returned null from: " + dest);
}
String parentPath = "/";
if( pDest.getParent() != null ) {
parentPath = pDest.getParent().toString();
}
Resource rDestParent = resourceFactory.getResource( host, parentPath);
if( rDestParent == null ) throw new BadRequestException( wrapped, "The destination parent does not exist");
if(rDestParent instanceof CollectionResource ) {
CollectionResource colDestParent = (CollectionResource) rDestParent;
if( colDestParent.child( pDest.getName()) == null ) {
try {
System.out.println("move to: " + colDestParent.getName());
wrapped.moveTo( colDestParent, pDest.getName() );
} catch( ConflictException ex ) {
log.warn( "Exception copying to: " + pDest.getName(), ex);
throw new BadRequestException( rDestParent, "conflict: " + ex.getMessage());
}
return null;
} else {
log.warn( "destination already exists: " + pDest.getName() + " in folder: " + colDestParent.getName());
throw new BadRequestException( rDestParent, "File already exists");
}
} else {
throw new BadRequestException( wrapped, "The destination parent is not a collection resource");
}
}
public void sendContent( OutputStream out, Range range, Map<String, String> params, String contentType ) throws IOException, NotAuthorizedException, BadRequestException {
// nothing to do
}
@Override
public Method applicableMethod() {
return Method.MOVE;
}
}