/*
 *  Copyright 2008 Hippo.
 *
 *  Licensed 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.hippoecm.tools.cli.commands;

import javax.jcr.Node;
import javax.jcr.Property;
import javax.jcr.PropertyIterator;
import javax.jcr.RepositoryException;

import org.hippoecm.tools.cli.Command;
import org.hippoecm.tools.cli.JcrWrapper;

/**
 * Find references and print path.
 */
public class FindReferences implements Command {

    /**
     * {@inheritDoc}
     */
    public final String getCommand() {
        return "findreferences";
    }

    /**
     * {@inheritDoc}
     */
    public final String[] getAliases() {
        return new String[] { "refs", "noderefs" };
    }

    /**
     * {@inheritDoc}
     */
    public final String usage() {
        return "findreferences";
    }

    /**
     * {@inheritDoc}
     */
    public final String help() {
        return "find references to the current node";
    }

    /**
     * {@inheritDoc}
     */
    public final boolean execute(final String[] args) {
        Node node = JcrWrapper.getCurrentNode();
        if (node == null) {
            return false;
        }

        try {
            if (node.isNodeType("mix:referenceable")) {
                PropertyIterator iter = node.getReferences();
                while (iter.hasNext()) {
                    Property prop = iter.nextProperty();
                    Node n = prop.getParent();
                    System.out.printf("%-60s\n", n.getPath());
                }
            }
        } catch (RepositoryException e) {
            e.printStackTrace();
        }
        return true;
    }
}