TestVirtualFileSystemRepository.java

package org.wyona.yarep.examples;

import org.wyona.yarep.core.Node;
import org.wyona.yarep.core.Repository;
import org.wyona.yarep.core.RepositoryFactory;
import org.wyona.yarep.core.Revision;

import java.io.File;

import org.apache.log4j.Category;

/**
 *
 */
public class TestVirtualFileSystemRepository {

    private static Category log = Category.getInstance(TestVirtualFileSystemRepository.class);

    /**
     *
     */
    public static void main(String[] args) {

        RepositoryFactory repoFactory;
        try {
            repoFactory = new RepositoryFactory();
        } catch (Exception e) {
            System.err.println(e);
            return;
        }

        System.out.println(repoFactory);
        System.out.println("\n\n");

        Repository repo;
        try {
            repo = repoFactory.newRepository("vfs-example", new File("new-vfs-example/repository.xml"));
        } catch (Exception e) {
            System.err.println(e);
            return;
        }

        System.out.println(repoFactory);

        try {
            Node root = repo.getNode("/");
            System.out.println("Root node is collection: " + root.isCollection());

            Node child = root.getNode("hello-world.txt");
            System.out.println("Child node is collection: " + child.isCollection());
            System.out.println("Child node is resource: " + child.isResource());

            Node anotherChild = root.getNode("another-directory");
            System.out.println("Another child node is collection: " + anotherChild.isCollection());

            print(root.getInputStream());

            System.out.println("\n");

            print(anotherChild.getInputStream());

            System.out.println("\n");

            print(child.getInputStream());

            Revision[] childRevisions = child.getRevisions();
            if (childRevisions != null && childRevisions.length > 0) {
                for (int i = 0;i < childRevisions.length; i++) {
                    System.out.println("Child revision: " + childRevisions[i]);
                    Revision revision = child.getRevision(childRevisions[i].getRevisionName());
                    System.out.println("The same child revision: " + revision);
                    System.out.println("Property: " + revision.getProperty("workflow-state"));
                }
            } else {
                System.err.println("Child has no revisions!");
            }
        } catch (Exception e) {
            log.error(e.getMessage(), e);
            System.err.println(e);
            return;
        }
    }

    /**
     *
     */
    static public void print(java.io.InputStream in) throws java.io.IOException {
        java.io.OutputStream out = System.out;
        byte[] buffer = new byte[8192];
        int bytesRead = -1;
        while ((bytesRead = in.read(buffer)) != -1) {
            out.write(buffer, 0, bytesRead);
        }
    }
}