/**
* Copyright (C) 2010-2017 Structr GmbH
*
* This file is part of Structr <http://structr.org>.
*
* Structr is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Structr is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Structr. If not, see <http://www.gnu.org/licenses/>.
*/
package org.structr.websocket.command.dom;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.structr.common.SecurityContext;
import org.structr.common.error.FrameworkException;
import org.structr.core.app.StructrApp;
import org.structr.core.converter.PropertyConverter;
import org.structr.core.graph.NodeInterface;
import org.structr.core.property.PropertyKey;
import org.structr.core.property.PropertyMap;
import org.structr.web.entity.dom.DOMNode;
import org.structr.web.entity.dom.Template;
import org.structr.websocket.StructrWebSocket;
import org.structr.websocket.command.AbstractCommand;
import org.structr.websocket.message.MessageBuilder;
import org.structr.websocket.message.WebSocketMessage;
import org.w3c.dom.DOMException;
import org.w3c.dom.Document;
/**
*
*
*
*/
public class CreateAndAppendDOMNodeCommand extends AbstractCommand {
private static final Logger logger = LoggerFactory.getLogger(CreateAndAppendDOMNodeCommand.class.getName());
static {
StructrWebSocket.addCommand(CreateAndAppendDOMNodeCommand.class);
}
@Override
public void processMessage(final WebSocketMessage webSocketData) {
final Map<String, Object> nodeData = webSocketData.getNodeData();
final String parentId = (String) nodeData.get("parentId");
final String childContent = (String) nodeData.get("childContent");
final Boolean inheritVisibilityFlags = (Boolean) nodeData.get("inheritVisibilityFlags");
final String pageId = webSocketData.getPageId();
// remove configuration elements from the nodeData so we don't set it on the node
nodeData.remove("parentId");
nodeData.remove("inheritVisibilityFlags");
if (pageId != null) {
// check for parent ID before creating any nodes
if (parentId == null) {
getWebSocket().send(MessageBuilder.status().code(422).message("Cannot add node without parentId").build(), true);
return;
}
// check if parent node with given ID exists
final DOMNode parentNode = getDOMNode(parentId);
if (parentNode == null) {
getWebSocket().send(MessageBuilder.status().code(404).message("Parent node not found").build(), true);
return;
}
final Document document = getPage(pageId);
if (document != null) {
final String tagName = (String) nodeData.get("tagName");
nodeData.remove("tagName");
try {
DOMNode newNode;
if (tagName != null && "comment".equals(tagName)) {
newNode = (DOMNode) document.createComment("#comment");
} else if (tagName != null && "template".equals(tagName)) {
newNode = (DOMNode) document.createTextNode("#template");
try {
newNode.unlockSystemPropertiesOnce();
newNode.setProperties(newNode.getSecurityContext(), new PropertyMap(NodeInterface.type, Template.class.getSimpleName()));
} catch (FrameworkException fex) {
logger.warn("Unable to set type of node {} to Template: {}", new Object[] { newNode.getUuid(), fex.getMessage() } );
}
} else if (tagName != null && !tagName.isEmpty()) {
newNode = (DOMNode) document.createElement(tagName);
} else {
newNode = (DOMNode) document.createTextNode("#text");
}
// Instantiate node again to get correct class
newNode = getDOMNode(newNode.getUuid());
// append new node to parent
if (newNode != null) {
parentNode.appendChild(newNode);
for (Entry entry : nodeData.entrySet()) {
final String key = (String) entry.getKey();
final Object val = entry.getValue();
PropertyKey propertyKey = StructrApp.getConfiguration().getPropertyKeyForDatabaseName(newNode.getClass(), key);
if (propertyKey != null) {
try {
Object convertedValue = val;
PropertyConverter inputConverter = propertyKey.inputConverter(SecurityContext.getSuperUserInstance());
if (inputConverter != null) {
convertedValue = inputConverter.convert(val);
}
newNode.setProperties(newNode.getSecurityContext(), new PropertyMap(propertyKey, convertedValue));
} catch (FrameworkException fex) {
logger.warn("Unable to set node property {} of node {} to {}: {}", new Object[] { propertyKey, newNode.getUuid(), val, fex.getMessage() } );
}
}
}
PropertyMap visibilityFlags = null;
if (inheritVisibilityFlags) {
visibilityFlags = new PropertyMap();
visibilityFlags.put(DOMNode.visibleToAuthenticatedUsers, parentNode.getProperty(DOMNode.visibleToAuthenticatedUsers));
visibilityFlags.put(DOMNode.visibleToPublicUsers, parentNode.getProperty(DOMNode.visibleToPublicUsers));
try {
newNode.setProperties(newNode.getSecurityContext(), visibilityFlags);
} catch (FrameworkException fex) {
logger.warn("Unable to inherit visibility flags for node {} from parent node {}", newNode, parentNode );
}
}
// create a child text node if content is given
if (StringUtils.isNotBlank(childContent)) {
final DOMNode childNode = (DOMNode)document.createTextNode(childContent);
newNode.appendChild(childNode);
if (inheritVisibilityFlags) {
try {
childNode.setProperties(childNode.getSecurityContext(), visibilityFlags);
} catch (FrameworkException fex) {
logger.warn("Unable to inherit visibility flags for node {} from parent node {}", childNode, newNode );
}
}
}
}
} catch (DOMException dex) {
// send DOM exception
getWebSocket().send(MessageBuilder.status().code(422).message(dex.getMessage()).build(), true);
}
} else {
getWebSocket().send(MessageBuilder.status().code(404).message("Page not found").build(), true);
}
} else {
getWebSocket().send(MessageBuilder.status().code(422).message("Cannot create node without pageId").build(), true);
}
}
@Override
public String getCommand() {
return "CREATE_AND_APPEND_DOM_NODE";
}
}