Java tutorial
/******************************************************************************* * Copyright (c) 2012-2015 Codenvy, S.A. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * Codenvy, S.A. - initial API and implementation *******************************************************************************/ package org.eclipse.che.vfs.impl.fs; import com.google.common.base.Function; import com.google.common.collect.Maps; import org.eclipse.che.api.core.NotFoundException; import org.eclipse.che.api.core.ServerException; import org.eclipse.che.api.vfs.server.VirtualFileSystemProvider; import org.eclipse.che.api.vfs.server.VirtualFileSystemRegistry; import javax.inject.Inject; import javax.inject.Named; import javax.ws.rs.Consumes; import javax.ws.rs.DELETE; import javax.ws.rs.GET; import javax.ws.rs.POST; import javax.ws.rs.Path; import javax.ws.rs.PathParam; import javax.ws.rs.Produces; import javax.ws.rs.QueryParam; import javax.ws.rs.core.MediaType; import java.io.File; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Paths; import java.util.HashMap; import java.util.Map; /** * @author andrew00x */ @Path("vfs-directory-mapping") public class WorkspaceToDirectoryMappingService { @Inject private MappedDirectoryLocalFSMountStrategy mappedDirectoryLocalFSMountStrategy; @Inject private VirtualFileSystemRegistry virtualFileSystemRegistry; @Inject @Named("vfs.local.fs_root_dir") String rootDir; @POST @Path("{ws-id}") @Consumes(MediaType.APPLICATION_JSON) @Produces(MediaType.APPLICATION_JSON) public Map<String, String> setMountPath(@PathParam("ws-id") String workspaceId, @QueryParam("mountPath") String mountPath) throws ServerException, IOException, NotFoundException { if (Files.notExists(Paths.get(mountPath))) { Files.createDirectories(Paths.get(mountPath)); } VirtualFileSystemProvider provider = virtualFileSystemRegistry.getProvider(workspaceId); provider.close(); mappedDirectoryLocalFSMountStrategy.setMountPath(workspaceId, new File(mountPath)); return getDirectoryMapping(); } @DELETE @Path("{ws-id}") @Consumes(MediaType.APPLICATION_JSON) @Produces(MediaType.APPLICATION_JSON) public Map<String, String> removeMountPath(@PathParam("ws-id") String workspaceId) throws ServerException, NotFoundException { VirtualFileSystemProvider provider = virtualFileSystemRegistry.getProvider(workspaceId); provider.close(); mappedDirectoryLocalFSMountStrategy.removeMountPath(workspaceId); return getDirectoryMapping(); } @GET @Consumes(MediaType.APPLICATION_JSON) @Produces(MediaType.APPLICATION_JSON) public Map<String, String> getDirectoryMapping() throws ServerException { Map<String, String> directoryMapping; if (mappedDirectoryLocalFSMountStrategy.getDirectoryMapping().isEmpty()) { directoryMapping = new HashMap<>(); directoryMapping.put("__default", rootDir); return directoryMapping; } directoryMapping = Maps.transformValues(mappedDirectoryLocalFSMountStrategy.getDirectoryMapping(), new Function<File, String>() { @Override public String apply(File input) { return input.getAbsolutePath(); } }); return directoryMapping; } }