org.apache.jackrabbit.oak.console.impl.Console.java Source code

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Here is the source code for org.apache.jackrabbit.oak.console.impl.Console.java

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/*
 * 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.oak.console.impl;

import java.util.Collections;
import java.util.LinkedList;

import javax.annotation.Nullable;

import org.apache.commons.lang3.StringUtils;
import org.apache.jackrabbit.oak.api.PropertyState;
import org.apache.jackrabbit.oak.spi.state.NodeState;
import org.apache.jackrabbit.oak.spi.state.NodeStore;

public abstract class Console {
    NodeStore store;
    NodeState root;

    public static enum Persistence {
        TAR("tar"), H2("h2");

        private final String type;

        private Persistence(String type) {
            this.type = type;
        }

        public static boolean contains(String type) {
            return (fromString(type) != null);
        }

        public static @Nullable Persistence fromString(String type) {
            for (Persistence p : Persistence.values()) {
                if (p.type.equalsIgnoreCase(type)) {
                    return p;
                }
            }
            return null;
        }

        public String getType() {
            return type;
        }
    };

    public static Console getConsole(Persistence type, String repoPath) {
        Console c = null;
        switch (type) {
        case TAR:
            c = new TarConsole(repoPath);
            break;
        case H2:
            c = new H2Console(repoPath);
            break;
        default:
            break;
        }
        return c;
    }

    /**
     * lists the children of the root
     */
    public void list() {
        printNode(root);
    }

    /**
     * list the children of a given path
     * @param path
     */
    public void list(String path) {
        LinkedList<String> nodes = new LinkedList<String>();
        NodeState leaf = null;

        Collections.addAll(nodes, path.split("/"));
        leaf = browseDown(root, nodes);
        if (leaf != null) {
            printNode(leaf);
        }
    }

    private void printNode(NodeState node) {
        System.out.println("{");
        for (PropertyState property : node.getProperties()) {
            System.out.println("  " + property.toString() + ",");
        }
        System.out.println("}");

        for (String child : node.getChildNodeNames()) {
            if (node.getChildNode(child).getChildNodeNames().iterator().hasNext()) {
                System.out.print("+ ");
            } else {
                System.out.print("  ");
            }
            System.out.println(child);
        }
    }

    private NodeState browseDown(NodeState father, LinkedList<String> path) {
        String node = path.poll();
        NodeState child = null;

        if (!StringUtils.isEmpty(node)) {
            if (father.hasChildNode(node)) {
                child = father.getChildNode(node);
            } else {
                System.err.println("Wrong path. Node doesn't exists. " + node);
                return null;
            }
        } else {
            child = father;
        }

        if (!path.isEmpty()) {
            child = browseDown(child, path);
        }

        return child;
    }

    /**
     * implement when the store need to be closed
     */
    public abstract void close();
}