| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| * |
| */ |
| package org.apache.lenya.cms.site.usecases; |
| |
| import java.io.IOException; |
| |
| import org.apache.avalon.framework.service.ServiceException; |
| import org.apache.cocoon.servlet.multipart.Part; |
| import org.apache.lenya.cms.metadata.MetaDataException; |
| import org.apache.lenya.cms.publication.Document; |
| import org.apache.lenya.cms.publication.DocumentException; |
| import org.apache.lenya.cms.publication.ResourceWrapper; |
| import org.apache.lenya.cms.repository.RepositoryException; |
| import org.apache.lenya.util.ServletHelper; |
| |
| /** |
| * Create a new resource document. |
| */ |
| public class CreateResource extends CreateDocument { |
| |
| protected static final String PARAMETER_FILE = "file"; |
| |
| protected static final String MESSAGE_UPLOAD_DISABLED = "upload-disabled"; |
| protected static final String MESSAGE_UPLOAD_ENTER_TITLE = "upload-enter-title"; |
| protected static final String MESSAGE_UPLOAD_CHOOSE_FILE = "upload-choose-file"; |
| protected static final String MESSAGE_UPLOAD_SIZE_EXCEEDED = "upload-size-exceeded"; |
| protected static final String MESSAGE_UPLOAD_RESET = "upload-reset"; |
| protected static final String MESSAGE_UPLOAD_MISSING_EXTENSION = "upload-missing-extension"; |
| |
| protected void doCheckPreconditions() throws Exception { |
| super.doCheckPreconditions(); |
| if (!ServletHelper.isUploadEnabled(manager)) { |
| addErrorMessage(MESSAGE_UPLOAD_DISABLED); |
| } |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#doCheckExecutionConditions() |
| */ |
| protected void doCheckExecutionConditions() throws Exception { |
| |
| super.doCheckExecutionConditions(); |
| |
| Part file = getPart(PARAMETER_FILE); |
| if (hasErrors() && file != null) { |
| resetUploadField(); |
| } else { |
| if (file == null) { |
| addErrorMessage(MESSAGE_UPLOAD_CHOOSE_FILE); |
| } else if (file.isRejected()) { |
| String[] params = { Integer.toString(file.getSize()) }; |
| addErrorMessage(MESSAGE_UPLOAD_SIZE_EXCEEDED, params); |
| } |
| } |
| } |
| |
| /** |
| * The browser can't set the value of the file upload widget for security reasons, so we have to |
| * remove the file parameter and the user has to select the file again. |
| */ |
| protected void resetUploadField() { |
| deleteParameter(PARAMETER_FILE); |
| addErrorMessage(MESSAGE_UPLOAD_RESET); |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#initParameters() |
| */ |
| protected void initParameters() { |
| super.initParameters(); |
| deleteParameter(RESOURCE_TYPES); |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#doExecute() |
| */ |
| protected void doExecute() throws Exception { |
| super.doExecute(); |
| addResource(); |
| } |
| |
| /** |
| * Adds the ressource. If asset upload is not enabled, an error message is added. |
| * @throws IOException |
| * @throws ServiceException |
| * @throws DocumentException |
| * @throws MetaDataException |
| * @throws RepositoryException |
| */ |
| protected void addResource() throws ServiceException, IOException, DocumentException, |
| RepositoryException, MetaDataException { |
| |
| if (getLogger().isDebugEnabled()) |
| getLogger().debug("Assets::addAsset() called"); |
| |
| Part file = getPart(PARAMETER_FILE); |
| Document document = getNewDocument(); |
| ResourceWrapper wrapper = new ResourceWrapper(document, this.manager, getLogger()); |
| wrapper.write(file); |
| } |
| |
| protected String getSourceExtension() { |
| String extension = ""; |
| |
| Part file = getPart(PARAMETER_FILE); |
| String fileName = file.getFileName(); |
| int lastDotIndex = fileName.lastIndexOf("."); |
| if (lastDotIndex > -1) { |
| extension = fileName.substring(lastDotIndex + 1); |
| } else { |
| addErrorMessage(MESSAGE_UPLOAD_MISSING_EXTENSION); |
| } |
| return extension.toLowerCase(); |
| } |
| |
| } |