Builder.java

/*
 * Copyright (C) 2011 eXo Platform SAS.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.exoplatform.portal.mop.importer;

import java.util.ArrayList;
import java.util.List;

import org.exoplatform.portal.config.model.PageNode;
import org.exoplatform.portal.config.model.PageNodeContainer;

/**
 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
 */
public abstract class Builder<B extends Builder<B>> {

    /** . */
    protected final String value;

    /** . */
    protected final List<NodeBuilder> nodes;

    protected Builder(String value) {
        this.value = value;
        this.nodes = new ArrayList<NodeBuilder>();
    }

    public static NodeBuilder node(String name) {
        return new NodeBuilder(name);
    }

    public static FragmentBuilder fragment(String... path) {
        StringBuilder sb = new StringBuilder();
        for (String name : path) {
            if (sb.length() > 0) {
                sb.append('/');
            }
            sb.append(name);
        }
        return new FragmentBuilder(sb.toString());
    }

    public B add(NodeBuilder... nodes) {
        for (NodeBuilder node : nodes) {
            this.nodes.add(node);
        }
        return (B) this;
    }

    public Builder get(String value) {
        for (Builder node : nodes) {
            if (node.value.equals(value)) {
                return node;
            }
        }
        return null;
    }

    protected final ArrayList<PageNode> buildNodes() {
        ArrayList<PageNode> nodes = new ArrayList<PageNode>();
        for (NodeBuilder node : this.nodes) {
            nodes.add(node.build());
        }
        return nodes;
    }

    public abstract PageNodeContainer build();

}