/**
 * This file Copyright (c) 2013 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.jcr.wrapper;

import info.magnolia.jcr.decoration.AbstractContentDecorator;

import javax.jcr.Node;
import javax.jcr.Property;

import org.apache.commons.lang.StringEscapeUtils;
import org.apache.commons.lang.StringUtils;

/**
 * HTML escaping content decorator for use by node and property wrapper classes.
 */
public class HTMLEscapingContentDecorator extends AbstractContentDecorator {

    private final boolean transformLineBreaks;

    public HTMLEscapingContentDecorator(boolean transformLineBreaks) {
        this.transformLineBreaks = transformLineBreaks;
    }

    @Override
    public Node wrapNode(Node node) {
        if (node == null) {
            return null;
        }
        return new HTMLEscapingNodeWrapper(node, this);
    }

    @Override
    public Property wrapProperty(Property property) {
        return new HTMLEscapingPropertyWrapper(property, this);
    }

    public boolean getTransformLineBreaks() {
        return transformLineBreaks;
    }

    public String decorate(String raw) {
        final String str = StringEscapeUtils.escapeHtml(raw);
        if (transformLineBreaks) {
            return StringUtils.replace(str, "\n", "<br/>");
        }
        return str;

    }
}