/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.jackrabbit.standalone.cli.info;

import java.io.PrintWriter;

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

import org.apache.commons.chain.Command;
import org.apache.commons.chain.Context;
import org.apache.jackrabbit.standalone.cli.CommandHelper;

/**
 * Dump stored data from the current working <code>Node</code>
 */
public class Dump implements Command {
    /** root node to dump */
    private String pathKey = "path";

    /**
     * {@inheritDoc}
     */
    public boolean execute(Context ctx) throws Exception {
        String path = (String) ctx.get(this.pathKey);
        PrintWriter out = CommandHelper.getOutput(ctx);
        dump(out, CommandHelper.getNode(ctx, path));
        return false;
    }

    /**
     * Dumps the given <code>Node</code> to the given <code>PrintWriter</code>
     * @param out
     *        the <code>PrintWriter</code>
     * @param n
     *        the <code>Node</code>
     * @throws RepositoryException
     */
    public void dump(PrintWriter out, Node n) throws RepositoryException {
        out.println(n.getPath());
        PropertyIterator pit = n.getProperties();
        while (pit.hasNext()) {
            Property p = pit.nextProperty();
            out.print(p.getPath() + "=");
            if (p.getDefinition().isMultiple()) {
                Value[] values = p.getValues();
                for (int i = 0; i < values.length; i++) {
                    if (i > 0)
                        out.println(",");
                    out.println(values[i].getString());
                }
            } else {
                out.print(p.getString());
            }
            out.println();
        }
        NodeIterator nit = n.getNodes();
        while (nit.hasNext()) {
            Node cn = nit.nextNode();
            dump(out, cn);
        }
    }

    /**
     * @return the path key
     */
    public String getPathKey() {
        return pathKey;
    }

    /**
     * @param pathKey
     *        the path key to set
     */
    public void setPathKey(String pathKey) {
        this.pathKey = pathKey;
    }
}