/*
* 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.export;
import org.apache.avalon.framework.logger.AbstractLogEnabled;
import org.apache.avalon.framework.logger.Logger;
import org.apache.avalon.framework.service.ServiceManager;
import org.apache.avalon.framework.service.ServiceSelector;
import org.apache.excalibur.source.SourceResolver;
import org.apache.lenya.cms.cocoon.source.SourceUtil;
import org.apache.lenya.cms.linking.LinkConverter;
import org.apache.lenya.cms.metadata.MetaData;
import org.apache.lenya.cms.publication.Area;
import org.apache.lenya.cms.publication.Document;
import org.apache.lenya.cms.publication.DocumentManager;
import org.apache.lenya.cms.publication.Publication;
import org.apache.lenya.cms.publication.ResourceType;
import org.apache.lenya.cms.site.SiteNode;
import org.apache.lenya.cms.site.SiteStructure;
import org.apache.lenya.cms.site.tree.DefaultSiteTree;
import org.apache.lenya.xml.DocumentHelper;
import org.apache.lenya.xml.NamespaceHelper;
import org.w3c.dom.Element;
/**
* Import content.
*/
public class Importer extends AbstractLogEnabled {
private ServiceManager manager;
/**
* Ctor.
* @param manager The service manager.
* @param logger The logger.
*/
public Importer(ServiceManager manager, Logger logger) {
this.manager = manager;
enableLogging(logger);
}
/**
* Imports content into an area.
* @param area The area.
* @param path The path containing the content.
* @throws Exception if an error occurs.
*/
public void importContent(Area area, String path) throws Exception {
importContent(area.getPublication(), area, path);
}
/**
* Imports content from a different publication into an area.
* @param srcPub The source publication.
* @param area The area.
* @param path The path containing the content.
* @throws Exception if an error occurs.
*/
public void importContent(Publication srcPub, Area area, String path) throws Exception {
getLogger().info("Importing documents into area [" + area + "]");
String baseUri = "file://" + path;
String sitetreeUri = baseUri + "/sitetree.xml";
org.w3c.dom.Document xml = SourceUtil.readDOM(sitetreeUri, this.manager);
NamespaceHelper helper = new NamespaceHelper(DefaultSiteTree.NAMESPACE_URI, "", xml);
Element siteElement = xml.getDocumentElement();
importChildren(area, helper, siteElement, baseUri, "");
convertLinks(srcPub, area);
}
protected void importElement(Area area, NamespaceHelper helper, Element element,
String baseUri, String parentPath) {
String path = parentPath + "/" + element.getAttribute("id");
boolean visible = true;
String visibleString = element.getAttribute("visibleinnav");
if (visibleString != null && !visibleString.equals("")) {
visible = Boolean.valueOf(visibleString).booleanValue();
}
Element[] labelElements = helper.getChildren(element, "label");
for (int i = 0; i < labelElements.length; i++) {
importDocument(area, labelElements[i], baseUri, path, visible);
}
importChildren(area, helper, element, baseUri, path);
}
protected void importDocument(Area area, Element element, String baseUri, String path,
boolean visibleInNav) {
String language = element.getAttribute("xml:lang");
String navigationTitle = DocumentHelper.getSimpleElementText(element);
String contentUri = baseUri + path + "/index_" + language;
String metaUri = contentUri + ".meta";
DocumentManager docManager = null;
ServiceSelector selector = null;
ResourceType resourceType = null;
SourceResolver resolver = null;
try {
org.w3c.dom.Document xml = SourceUtil.readDOM(metaUri, this.manager);
NamespaceHelper helper = new NamespaceHelper(
"http://apache.org/cocoon/lenya/page-envelope/1.0", "", xml);
Element metaElement = helper.getFirstChild(xml.getDocumentElement(), "meta");
Element internalElement = helper.getFirstChild(metaElement, "internal");
Element resourceTypeElement = helper.getFirstChild(internalElement, "resourceType");
String resourceTypeName = DocumentHelper.getSimpleElementText(resourceTypeElement);
Element mimeTypeElement = helper.getFirstChild(internalElement, "mimeType");
String mimeType = DocumentHelper.getSimpleElementText(mimeTypeElement);
selector = (ServiceSelector) this.manager.lookup(ResourceType.ROLE + "Selector");
resourceType = (ResourceType) selector.select(resourceTypeName);
docManager = (DocumentManager) this.manager.lookup(DocumentManager.ROLE);
Document newDoc;
SiteStructure site = area.getSite();
if (!site.contains(path) || site.getNode(path).getLanguages().length == 0) {
newDoc = docManager.add(area.getPublication().getFactory(), resourceType,
contentUri, area.getPublication(), area.getName(), path, language, "xml",
navigationTitle, visibleInNav);
newDoc.setMimeType(mimeType);
} else {
SiteNode node = site.getNode(path);
Document doc = node.getLink(node.getLanguages()[0]).getDocument();
newDoc = docManager.addVersion(doc, area.getName(), language, true);
resolver = (SourceResolver) this.manager.lookup(SourceResolver.ROLE);
SourceUtil.copy(resolver, contentUri, newDoc.getOutputStream());
newDoc.getLink().setLabel(navigationTitle);
}
String dcNamespace = "http://purl.org/dc/elements/1.1/";
Element dcElement = helper.getFirstChild(metaElement, "dc");
NamespaceHelper dcHelper = new NamespaceHelper(dcNamespace, "dc", xml);
Element[] dcElements = dcHelper.getChildren(dcElement);
MetaData meta = newDoc.getMetaData(dcNamespace);
for (int i = 0; i < dcElements.length; i++) {
String key = dcElements[i].getLocalName();
String value = DocumentHelper.getSimpleElementText(dcElements[i]);
meta.setValue(key, value);
}
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
if (docManager != null) {
this.manager.release(docManager);
}
if (selector != null) {
this.manager.release(selector);
}
if (resolver != null) {
this.manager.release(resolver);
}
}
}
protected void importChildren(Area area, NamespaceHelper helper, Element element,
String baseUri, String path) {
Element[] elements = helper.getChildren(element, "node");
for (int i = 0; i < elements.length; i++) {
importElement(area, helper, elements[i], baseUri, path);
}
}
protected void convertLinks(Publication srcPub, Area area) {
Document[] docs = area.getDocuments();
for (int i = 0; i < docs.length; i++) {
LinkConverter converter = new LinkConverter(this.manager, getLogger());
converter.convertUrlsToUuids(srcPub, docs[i], false);
}
}
}