de.jakusys.jackhammer.cli.command.UploadingFileAlternationListener.java Source code

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Here is the source code for de.jakusys.jackhammer.cli.command.UploadingFileAlternationListener.java

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/**
 * Copyright (C) 2013 Jakob Klzer (jakob.kuelzer@gmail.com)
 *
 * 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 de.jakusys.jackhammer.cli.command;

import de.jakusys.jackhammer.cli.util.PathRelativizer;
import org.apache.commons.io.monitor.FileAlterationListener;
import org.apache.commons.io.monitor.FileAlterationObserver;
import org.apache.jackrabbit.commons.JcrUtils;

import javax.activation.MimetypesFileTypeMap;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;

/**
 * @author Jakob Klzer
 */
public class UploadingFileAlternationListener implements FileAlterationListener {

    private final File root;

    private final Session session;

    private final Node node;

    public UploadingFileAlternationListener(File directory, Session session, Node node) {
        this.root = directory;
        this.session = session;
        this.node = node;
    }

    @Override
    public void onStart(FileAlterationObserver observer) {
        if (!session.isLive())
            throw new RuntimeException("Session is not live!");
    }

    @Override
    public void onDirectoryCreate(File directory) {

        String path = PathRelativizer.relativize(root, directory);
        System.out.print("+ " + path + " -> ");
        try {
            Node folder = JcrUtils.getOrAddFolder(node, path);
            session.save();
            System.out.println(folder.getPath());
        } catch (RepositoryException e) {
            throw new RuntimeException("Could not upload directory", e);
        }
    }

    @Override
    public void onDirectoryChange(File directory) {
    }

    @Override
    public void onDirectoryDelete(File directory) {
        String path = PathRelativizer.relativize(root, directory);
        System.out.println("- " + path);
    }

    @Override
    public void onFileCreate(File file) {
        String path = PathRelativizer.relativize(root, file);
        System.out.println("+ " + path);

        // Make sure directory exists:
        onDirectoryChange(file.getParentFile());

        uploadFile(file);

    }

    private void uploadFile(File file) {

        MimetypesFileTypeMap mimetypesFileTypeMap = new MimetypesFileTypeMap();

        try {
            String relPath = PathRelativizer.relativize(root, file.getParentFile());
            Node parent = getNode(relPath);
            String contentType = mimetypesFileTypeMap.getContentType(file);
            JcrUtils.putFile(parent, file.getName(), contentType, new FileInputStream(file));

            session.save();
        } catch (RepositoryException e) {
            e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
        } catch (FileNotFoundException e) {
            e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
        }
    }

    private Node getNode(String relPath) throws RepositoryException {
        return "".equals(relPath) ? node : node.getNode(relPath);
    }

    @Override
    public void onFileChange(File file) {
        String path = PathRelativizer.relativize(root, file);
        System.out.println("^ " + path);

        uploadFile(file);

    }

    @Override
    public void onFileDelete(File file) {
        String path = PathRelativizer.relativize(root, file);
        System.out.println("- " + path);
    }

    @Override
    public void onStop(FileAlterationObserver observer) {

    }
}