/*******************************************************************************
* Copyright (c) 2012, 2014 Pivotal Software, Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Apache License,
* Version 2.0 (the "License�); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Contributors:
* Pivotal Software, Inc. - initial API and implementation
********************************************************************************/
package org.cloudfoundry.ide.eclipse.server.rse.internal;
import java.io.BufferedOutputStream;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
import org.cloudfoundry.client.lib.domain.CloudApplication;
import org.cloudfoundry.ide.eclipse.server.core.internal.CloudFoundryServer;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.rse.core.model.IHost;
import org.eclipse.rse.services.clientserver.messages.SystemMessageException;
import org.eclipse.rse.services.files.AbstractFileService;
import org.eclipse.rse.services.files.IHostFile;
import org.eclipse.wst.server.core.IServer;
import org.eclipse.wst.server.core.ServerCore;
/**
* @author Leo Dos Santos
*/
public class CloudFoundryFileService extends AbstractFileService implements ICloudFoundryFileService {
private List<AccountResource> accounts;
private List<ApplicationResource> applications;
private IHost host;
public CloudFoundryFileService(IHost host) {
super();
this.host = host;
}
public void copy(String srcParent, String srcName, String tgtParent, String tgtName, IProgressMonitor monitor)
throws SystemMessageException {
// TODO Auto-generated method stub
}
public void copyBatch(String[] srcParents, String[] srcNames, String tgtParent, IProgressMonitor monitor)
throws SystemMessageException {
// TODO Auto-generated method stub
}
public IHostFile createFile(String remoteParent, String fileName, IProgressMonitor monitor)
throws SystemMessageException {
// TODO Auto-generated method stub
return null;
}
public IHostFile createFolder(String remoteParent, String folderName, IProgressMonitor monitor)
throws SystemMessageException {
// TODO Auto-generated method stub
return null;
}
public void delete(String remoteParent, String fileName, IProgressMonitor monitor) throws SystemMessageException {
// TODO Auto-generated method stub
}
public void download(String remoteParent, String remoteFile, File localFile, boolean isBinary, String hostEncoding,
IProgressMonitor monitor) throws SystemMessageException {
Object[] array = parseNestedFiles(remoteParent);
if (array != null) {
ApplicationResource app = (ApplicationResource) array[0];
String path = (String) array[1];
CloudFoundryServer server = app.getServer();
String appName = app.getCloudApplication().getName();
int instance = app.getInstanceId();
try {
String content = server.getBehaviour().getFile(appName, instance, path.concat(remoteFile).substring(1),
monitor);
if (content != null) {
if (!localFile.exists()) {
localFile.getParentFile().mkdirs();
}
ByteArrayInputStream inStream = new ByteArrayInputStream(content.getBytes());
OutputStream outStream = new BufferedOutputStream(new FileOutputStream(localFile));
int byteCount = 0;
byte[] buffer = new byte[4096];
int bytesRead = -1;
while ((bytesRead = inStream.read(buffer)) != -1) {
outStream.write(buffer, 0, bytesRead);
byteCount += bytesRead;
}
outStream.flush();
inStream.close();
outStream.close();
}
}
catch (Exception e) {
CloudFoundryRsePlugin.logError("An error occurred while opening file: " + remoteFile //$NON-NLS-1$
+ " for application: " + appName, e); //$NON-NLS-1$
}
}
}
@Override
public String getDescription() {
return Messages.CloudFoundryFileService_DESCRIPTION_FILE_SERVICES;
}
public IHostFile getFile(String remoteParent, String name, IProgressMonitor monitor) throws SystemMessageException {
remoteParent = remoteParent.concat("/"); //$NON-NLS-1$
AccountResource account = parseAccount(remoteParent.concat(name));
if (account != null) {
return account;
}
ApplicationResource app = parseApp(remoteParent.concat(name));
if (app != null) {
return app;
}
Object[] array = parseNestedFiles(remoteParent);
if (array != null) {
app = (ApplicationResource) array[0];
String path = (String) array[1];
List<FileResource> files = app.getChildren(path, monitor);
if (files != null) {
for (FileResource file : files) {
if (name.equals(file.getName())) {
return file;
}
}
}
}
return null;
}
@Override
public String getName() {
return Messages.CloudFoundryFileService_DESCRIPTION_FILE_SERVICE_NAME;
}
public IHostFile[] getRoots(IProgressMonitor monitor) throws SystemMessageException {
List<AccountResource> list = new ArrayList<AccountResource>();
IServer[] allServers = ServerCore.getServers();
for (int i = 0; i < allServers.length; i++) {
IServer candidate = allServers[i];
if (CloudFoundryRsePlugin.doesServerBelongToHost(candidate, host)) {
CloudFoundryServer server = (CloudFoundryServer) candidate.loadAdapter(CloudFoundryServer.class,
monitor);
AccountResource resource = new AccountResource(server);
list.add(resource);
}
}
accounts = list;
return accounts.toArray(new AccountResource[accounts.size()]);
}
public IHostFile getUserHome() {
// TODO Auto-generated method stub
return null;
}
public boolean isCaseSensitive() {
// TODO Auto-generated method stub
return false;
}
public void move(String srcParent, String srcName, String tgtParent, String tgtName, IProgressMonitor monitor)
throws SystemMessageException {
// TODO Auto-generated method stub
}
public void rename(String remoteParent, String oldName, String newName, IHostFile oldFile, IProgressMonitor monitor)
throws SystemMessageException {
// TODO Auto-generated method stub
}
public void rename(String remoteParent, String oldName, String newName, IProgressMonitor monitor)
throws SystemMessageException {
// TODO Auto-generated method stub
}
public void setLastModified(String parent, String name, long timestamp, IProgressMonitor monitor)
throws SystemMessageException {
// TODO Auto-generated method stub
}
public void setReadOnly(String parent, String name, boolean readOnly, IProgressMonitor monitor)
throws SystemMessageException {
// TODO Auto-generated method stub
}
public void upload(File localFile, String remoteParent, String remoteFile, boolean isBinary, String srcEncoding,
String hostEncoding, IProgressMonitor monitor) throws SystemMessageException {
// TODO Auto-generated method stub
}
public void upload(InputStream stream, String remoteParent, String remoteFile, boolean isBinary,
String hostEncoding, IProgressMonitor monitor) throws SystemMessageException {
// TODO Auto-generated method stub
}
private AccountResource parseAccount(String path) {
int index = path.lastIndexOf("@"); //$NON-NLS-1$
if (index >= 0 && (index + 1) <= path.length()) {
String accountName = path.substring(0, index);
String accountUrl = path.substring(index + 1);
for (AccountResource account : accounts) {
CloudFoundryServer server = account.getServer();
if (accountUrl.equals(server.getUrl()) && accountName.equals(server.getServer().getName())) {
return account;
}
}
}
return null;
}
private ApplicationResource parseApp(String path) {
int index = path.indexOf("/"); //$NON-NLS-1$
if (index >= 0 && (index + 1) <= path.length()) {
String appUrl = path.substring(0, index);
String instance = path.substring(index + 1);
for (ApplicationResource app : applications) {
CloudApplication cloudApp = app.getCloudApplication();
String cloudAppId = ((Integer) app.getInstanceId()).toString();
if (validApp(appUrl, cloudApp, cloudAppId, instance)) {
return app;
}
}
}
return null;
}
protected boolean validApp(String appUrl, CloudApplication cloudApp, String cloudAppId, String instance) {
List<String> uris = cloudApp.getUris();
boolean matchingUri = false;
if (appUrl != null && appUrl.length() > 0) {
// an appURL will be one of two things: 1. an actual URL or 2. app
// name for standalone apps with no actual URL
matchingUri = (uris != null && !uris.isEmpty() && appUrl.equals(uris.get(0)))
|| (appUrl.equals(cloudApp.getName()));
}
return matchingUri && instance.equals(cloudAppId);
}
private Object[] parseNestedFiles(String path) {
int index = path.indexOf("/"); //$NON-NLS-1$
if (index >= 0 && (index + 1) <= path.length()) {
String appUrl = path.substring(0, index);
String leftover = path.substring(index + 1);
index = leftover.indexOf("/"); //$NON-NLS-1$
if (index >= 0) {
String instance = leftover.substring(0, index);
String filePath = leftover.substring(index);
for (ApplicationResource app : applications) {
CloudApplication cloudApp = app.getCloudApplication();
String cloudAppId = ((Integer) app.getInstanceId()).toString();
if (validApp(appUrl, cloudApp, cloudAppId, instance)) {
return new Object[] { app, filePath };
}
}
}
}
return null;
}
@Override
protected IHostFile[] internalFetch(String parentPath, String fileFilter, int fileType, IProgressMonitor monitor)
throws SystemMessageException {
AccountResource account = parseAccount(parentPath);
if (account != null) {
applications = account.fetchChildren(monitor);
return applications.toArray(new ApplicationResource[applications.size()]);
}
ApplicationResource app = parseApp(parentPath);
if (app != null) {
List<FileResource> files = app.fetchChildren("/", monitor); //$NON-NLS-1$
return files.toArray(new FileResource[files.size()]);
}
Object[] array = parseNestedFiles(parentPath);
if (array != null) {
app = (ApplicationResource) array[0];
String path = (String) array[1];
List<FileResource> files = app.fetchChildren(path, monitor);
return files.toArray(new FileResource[files.size()]);
}
return null;
}
}