/*
* (C) Copyright 2006-2007 Nuxeo SA (http://nuxeo.com/) and others.
*
* Licensed under 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:
* Nuxeo - initial API and implementation
*
* $Id$
*/
package org.nuxeo.ecm.platform.content.template.factories;
import java.io.File;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nuxeo.common.Environment;
import org.nuxeo.common.utils.FileUtils;
import org.nuxeo.ecm.core.api.Blob;
import org.nuxeo.ecm.core.api.Blobs;
import org.nuxeo.ecm.core.api.DocumentModel;
import org.nuxeo.ecm.platform.content.template.service.ACEDescriptor;
import org.nuxeo.ecm.platform.content.template.service.TemplateItemDescriptor;
import org.nuxeo.ecm.platform.filemanager.api.FileManager;
import org.nuxeo.runtime.api.Framework;
/**
* This factory will import a file using a path defined in the option of the factoryBinding extension point. This path
* can be defined using three different prefix. absolute:myAbsolute path will reference a file on the server's
* filesystem, nxData:myPath will reference a file inside nuxeo data folder and resource:myPath will reference a file in
* the bundle's resources. If the file exist, it's imported by the {@link FileManager} service.
*
* @author ldoguin
*/
public class ImportBasedFactory extends BaseContentFactory {
private static final Log log = LogFactory.getLog(ImportBasedFactory.class);
public static final String IMPORT_FILE_PATH_OPTION = "path";
public static final String IMPORT_OVERWRITE_OPTION = "overwrite";
protected FileManager fileManager;
protected Map<String, String> options;
protected File importedFile;
protected Boolean overwrite = false;
public enum PathOptions {
resource {
@Override
public File getFile(String path) {
return FileUtils.getResourceFileFromContext(path);
}
},
nxData {
@Override
public File getFile(String path) {
File nxDdataFolder = Environment.getDefault().getData();
return new File(nxDdataFolder, path);
}
},
absolute {
@Override
public File getFile(String path) {
return new File(path);
}
};
protected abstract File getFile(String path);
public static File getResource(String path) {
String[] s = path.split(":", 2);
String resourceType = s[0];
String resourcePath = s[1];
PathOptions option = valueOf(resourceType);
if (option == null) {
log.error("Unsupported resource type: " + resourceType);
return null;
} else {
return option.getFile(resourcePath);
}
}
}
@Override
public boolean initFactory(Map<String, String> options, List<ACEDescriptor> rootAcl,
List<TemplateItemDescriptor> template) {
this.options = options;
overwrite = Boolean.valueOf(options.get(IMPORT_OVERWRITE_OPTION));
String path = options.get(IMPORT_FILE_PATH_OPTION);
File file = PathOptions.getResource(path);
if (file != null) {
if (file.exists()) {
importedFile = file;
return true;
} else {
log.warn("Following file does not exist: " + file.getAbsolutePath());
}
}
return false;
}
@Override
public void createContentStructure(DocumentModel eventDoc) {
initSession(eventDoc);
if (eventDoc.isVersion()) {
return;
}
try {
String parentPath = eventDoc.getPathAsString();
importBlob(importedFile, parentPath);
} catch (IOException e) {
throw new RuntimeException("Cannot import file: " + importedFile, e);
}
}
/**
* Use fileManager to import the given file.
*
* @param file to import
* @param parentPath of the targetDocument
*/
protected void importBlob(File file, String parentPath) throws IOException {
if (file.isDirectory()) {
DocumentModel createdFolder = getFileManagerService().createFolder(session, file.getAbsolutePath(),
parentPath, true);
File[] files = file.listFiles();
for (File childFile : files) {
importBlob(childFile, createdFolder.getPathAsString());
}
} else {
Blob fb = Blobs.createBlob(file);
fb.setFilename(file.getName());
getFileManagerService().createDocumentFromBlob(session, fb, parentPath, overwrite, fb.getFilename());
}
}
protected FileManager getFileManagerService() {
if (fileManager == null) {
fileManager = Framework.getService(FileManager.class);
}
return fileManager;
}
}