| /* |
| * 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.util.ArrayList; |
| import java.util.List; |
| |
| import javax.servlet.http.HttpServletRequest; |
| |
| import org.apache.avalon.framework.service.ServiceException; |
| import org.apache.cocoon.processing.ProcessInfoProvider; |
| import org.apache.cocoon.spring.configurator.WebAppContextUtils; |
| import org.apache.lenya.cms.publication.Area; |
| import org.apache.lenya.cms.publication.Document; |
| import org.apache.lenya.cms.publication.DocumentBuildException; |
| import org.apache.lenya.cms.publication.DocumentException; |
| import org.apache.lenya.cms.publication.DocumentLocator; |
| import org.apache.lenya.cms.publication.DocumentManager; |
| import org.apache.lenya.cms.publication.Node; |
| import org.apache.lenya.cms.publication.Publication; |
| import org.apache.lenya.cms.publication.URLInformation; |
| import org.apache.lenya.cms.site.NodeSet; |
| import org.apache.lenya.cms.site.SiteException; |
| import org.apache.lenya.cms.site.SiteNode; |
| import org.apache.lenya.cms.site.SiteUtil; |
| import org.apache.lenya.cms.usecase.AbstractUsecase; |
| import org.apache.lenya.cms.usecase.UsecaseException; |
| |
| /** |
| * Paste a document from the clipboard. |
| * |
| * @version $Id$ |
| */ |
| public class Paste extends AbstractUsecase { |
| |
| protected static final String CLIPBOARD_LABEL = "clipboardLabel"; |
| |
| private DocumentManager documentManager; |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#doCheckPreconditions() |
| */ |
| protected void doCheckPreconditions() throws Exception { |
| super.doCheckPreconditions(); |
| |
| if (hasErrors()) { |
| return; |
| } |
| |
| if (!getArea().getName().equals(Publication.AUTHORING_AREA)) { |
| addErrorMessage("only-in-authoring-area"); |
| } |
| |
| Clipboard clipboard = new ClipboardHelper().getClipboard(getRequest()); |
| if (clipboard == null) { |
| addErrorMessage("clipboard-empty"); |
| } else { |
| Document doc = getSourceDocument(); |
| if (doc != null) { |
| Document clippedDoc = clipboard.getDocument(getSession()); |
| String uuid = clippedDoc.getUUID(); |
| SiteNode node = doc.getLink().getNode(); |
| if (clipboard.getMethod() == Clipboard.METHOD_CUT) { |
| if (willPasteInOwnSubtree(node, uuid)) { |
| addErrorMessage("will-paste-in-own-subtree"); |
| } |
| } |
| } |
| } |
| } |
| |
| protected boolean willPasteInOwnSubtree(SiteNode node, String uuid) throws SiteException { |
| String nodeUuid = node.getUuid(); |
| if (nodeUuid.equals(uuid)) { |
| return true; |
| } else if (!node.isTopLevel()) { |
| return willPasteInOwnSubtree(node.getParent(), uuid); |
| } else { |
| return false; |
| } |
| } |
| |
| protected Document getSourceDocument() { |
| Document doc = null; |
| String sourceUrl = getParameterAsString(SOURCE_URL); |
| if (getSession().getUriHandler().isDocument(sourceUrl)) { |
| doc = getSession().getUriHandler().getDocument(sourceUrl); |
| } |
| return doc; |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#initParameters() |
| */ |
| protected void initParameters() { |
| super.initParameters(); |
| |
| Clipboard clipboard = new ClipboardHelper().getClipboard(getRequest()); |
| if (clipboard != null) { |
| String label; |
| try { |
| label = clipboard.getDocument(getSession()).getLink().getLabel(); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| setParameter(CLIPBOARD_LABEL, label); |
| } |
| } |
| |
| protected Publication getPublication() { |
| URLInformation info = new URLInformation(getSourceURL()); |
| String pubId = info.getPublicationId(); |
| return getSession().getPublication(pubId); |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#getNodesToLock() |
| */ |
| protected Node[] getNodesToLock() throws UsecaseException { |
| List nodes = new ArrayList(); |
| |
| try { |
| |
| Clipboard clipboard = new ClipboardHelper().getClipboard(getRequest()); |
| if (clipboard != null) { |
| |
| Node siteNode = getArea().getSite(); |
| nodes.add(siteNode); |
| |
| Publication pub = getPublication(); |
| Document clippedDocument = clipboard.getDocument(getSession()); |
| |
| NodeSet subsite = SiteUtil.getSubSite(clippedDocument.getLink().getNode()); |
| Document[] subsiteDocs = subsite.getDocuments(); |
| |
| for (int i = 0; i < subsiteDocs.length; i++) { |
| if (clipboard.getMethod() == Clipboard.METHOD_CUT) { |
| nodes.add(subsiteDocs[i]); |
| } |
| } |
| } |
| |
| } catch (Exception e) { |
| throw new UsecaseException(e); |
| } |
| |
| return (Node[]) nodes.toArray(new Node[nodes.size()]); |
| } |
| |
| protected Area getArea() { |
| Publication pub = getPublication(); |
| URLInformation info = new URLInformation(getSourceURL()); |
| return pub.getArea(info.getArea()); |
| } |
| |
| /** |
| * @see org.apache.lenya.cms.usecase.AbstractUsecase#doExecute() |
| */ |
| protected void doExecute() throws Exception { |
| super.doExecute(); |
| |
| ClipboardHelper helper = new ClipboardHelper(); |
| |
| HttpServletRequest request = getRequest(); |
| Clipboard clipboard = helper.getClipboard(request); |
| Publication pub = getPublication(); |
| Document clippedDocument = clipboard.getDocument(getSession()); |
| |
| final String targetPath = getTargetPath(); |
| final Area area = clippedDocument.area(); |
| if (clipboard.getMethod() == Clipboard.METHOD_COPY) { |
| getDocumentManager().copyAll(area, clippedDocument.getPath(), area, targetPath); |
| } else if (clipboard.getMethod() == Clipboard.METHOD_CUT) { |
| getDocumentManager().moveAll(area, clippedDocument.getPath(), area, targetPath); |
| } else { |
| throw new RuntimeException("This clipboard method is not supported!"); |
| } |
| |
| helper.removeClipboard(request); |
| } |
| |
| protected String getTargetPath() throws SiteException, DocumentBuildException, |
| ServiceException, DocumentException { |
| Clipboard clipboard = new ClipboardHelper().getClipboard(getRequest()); |
| Publication pub = getPublication(); |
| Document clippedDocument = clipboard.getDocument(getSession()); |
| |
| String targetArea = getArea().getName(); |
| String language = clippedDocument.getLanguage(); |
| String nodeId = clippedDocument.getName(); |
| |
| Document sourceDoc = getSourceDocument(); |
| String basePath = sourceDoc != null ? sourceDoc.getPath() : ""; |
| |
| String potentialPath = basePath + "/" + nodeId; |
| |
| DocumentLocator potentialLoc = DocumentLocator.getLocator(getPublication().getId(), |
| targetArea, potentialPath, language); |
| return SiteUtil.getAvailableLocator(getSession(), potentialLoc).getPath(); |
| } |
| |
| protected HttpServletRequest getRequest() { |
| ProcessInfoProvider process = (ProcessInfoProvider) WebAppContextUtils |
| .getCurrentWebApplicationContext().getBean(ProcessInfoProvider.ROLE); |
| return process.getRequest(); |
| } |
| |
| protected DocumentManager getDocumentManager() { |
| return documentManager; |
| } |
| |
| /** |
| * TODO: Bean wiring |
| */ |
| public void setDocumentManager(DocumentManager documentManager) { |
| this.documentManager = documentManager; |
| } |
| |
| } |