(Very) quick'n'dirty way to convert Dotclear posts to Asciidoc (for Hubpress)

Migration.java

package net.biville.florent;

import static java.nio.charset.StandardCharsets.UTF_8;
import static java.nio.file.Files.write;
import static java.util.Arrays.asList;
import static java.util.stream.Collectors.toList;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collection;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

public class Migration {

    public static void main(String[] args) throws IOException {
        String pandocPath = "/usr/local/bin/pandoc";
        String postDumpLocation = "/dotclear_post.json";

        try (InputStream stream = Migration.class.getResourceAsStream(postDumpLocation);
             Reader reader = new InputStreamReader(stream)) {

            Collection<Post> posts = new Gson().fromJson(reader, new TypeToken<Collection<Post>>(){}.getType());

            File blogDirectory = Files.createTempDirectory("blog").toFile();
            String absolutePath = blogDirectory.getAbsolutePath();

            Collection<String> scriptContents = new ArrayList<>();
            scriptContents.add("#!/bin/bash");
            scriptContents.add(String.format("cd %s;", absolutePath));

            scriptContents.addAll(posts.stream().flatMap(
                    (post -> {
                        try {
                            String datePrefix = post.getPost_dt().substring(0, 4 + 1 + 2 + 1 + 2);

                            String[] urlParts = post.getPost_url().split("\\/");
                            String title = urlParts[urlParts.length - 1];

                            File file = new File(blogDirectory, title + ".html");
                            write(Paths.get(file.toURI()), post.getPost_content_xhtml().getBytes(UTF_8));

                            return asList(
                                    String.format(
                                        pandocPath + " '%s.html' -f html -t asciidoc -s -o '%s-%s.adoc'",
                                        title, datePrefix, title
                                    ),
                                    String.format("rm '%s.html'", title)
                            ).stream();

                        } catch (IOException e) {
                            throw new RuntimeException(e.getMessage(), e);
                        }
                    })

            ).collect(toList()));

            File scriptFile = new File(blogDirectory, "migrate.sh");
            String fileName = scriptFile.getName();

            write(scriptFile.toPath(), scriptContents, UTF_8);
            System.out.println(String.format(
                "cd %s && chmod u+x %s && ./%s",
                blogDirectory.getAbsolutePath(),
                fileName,
                fileName
            ));
        }
    }
}

Post.java

package net.biville.florent;

public class Post {

    private String post_dt;
    private String post_title;
    private String post_content_xhtml;
    private String post_url;

    Post() {}

    public String getPost_dt() {
        return post_dt;
    }

    public void setPost_dt(String post_dt) {
        this.post_dt = post_dt;
    }

    public String getPost_title() {
        return post_title;
    }

    public void setPost_title(String post_title) {
        this.post_title = post_title;
    }

    public String getPost_content_xhtml() {
        return post_content_xhtml;
    }

    public void setPost_content_xhtml(String post_content_xhtml) {
        this.post_content_xhtml = post_content_xhtml;
    }

    public String getPost_url() {
        return post_url;
    }

    public void setPost_url(String post_url) {
        this.post_url = post_url;
    }
}

See https://twitter.com/fbiville/status/594916894710353920.