/**
* This file Copyright (c) 2010-2012 Magnolia International
* Ltd. (http://www.magnolia-cms.com). All rights reserved.
*
*
* This file is dual-licensed under both the Magnolia
* Network Agreement and the GNU General Public License.
* You may elect to use one or the other of these licenses.
*
* This file is distributed in the hope that it will be
* useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
* Redistribution, except as permitted by whichever of the GPL
* or MNA you select, is prohibited.
*
* 1. For the GPL license (GPL), you can redistribute and/or
* modify this file under the terms of the GNU General
* Public License, Version 3, as published by the Free Software
* Foundation. You should have received a copy of the GNU
* General Public License, Version 3 along with this program;
* if not, write to the Free Software Foundation, Inc., 51
* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 2. For the Magnolia Network Agreement (MNA), this file
* and the accompanying materials are made available under the
* terms of the MNA which accompanies this distribution, and
* is available at http://www.magnolia-cms.com/mna.html
*
* Any modifications to this file must keep this entire header
* intact.
*
*/
package info.magnolia.nodebuilder;
import java.util.ArrayList;
import java.util.List;
import info.magnolia.cms.core.Content;
import javax.jcr.RepositoryException;
import org.apache.commons.collections.CollectionUtils;
/**
* Abstract implementation of NodeOperation. Mainly implementing {@link #then(NodeOperation...)}.
*/
public abstract class AbstractNodeOperation implements NodeOperation {
private List<NodeOperation> childrenOps = new ArrayList<NodeOperation>();
@Override
public void exec(Content context, ErrorHandler errorHandler) {
try {
context = doExec(context, errorHandler);
} catch (RepositoryException e) {
errorHandler.handle(e, context);
}
for (NodeOperation childrenOp : childrenOps) {
childrenOp.exec(context, errorHandler);
}
}
/**
* @return the node that should now be used as the context for subsequent operations
*/
protected abstract Content doExec(Content context, ErrorHandler errorHandler) throws RepositoryException;
@Override
public NodeOperation then(NodeOperation... childrenOps) {
// add the operations to allow multiple calls on the method.
CollectionUtils.addAll(this.childrenOps, childrenOps);
return this;
}
}