com.google.gerrit.server.config.SitePaths.java Source code

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Here is the source code for com.google.gerrit.server.config.SitePaths.java

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// Copyright (C) 2009 The Android Open Source Project
//
// 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 com.google.gerrit.server.config;

import com.google.common.collect.Iterables;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.NoSuchFileException;
import java.nio.file.Path;

/** Important paths within a {@link SitePath}. */
@Singleton
public final class SitePaths {
    public static final String CSS_FILENAME = "GerritSite.css";
    public static final String HEADER_FILENAME = "GerritSiteHeader.html";
    public static final String FOOTER_FILENAME = "GerritSiteFooter.html";

    public final Path site_path;
    public final Path bin_dir;
    public final Path etc_dir;
    public final Path lib_dir;
    public final Path tmp_dir;
    public final Path logs_dir;
    public final Path plugins_dir;
    public final Path db_dir;
    public final Path data_dir;
    public final Path mail_dir;
    public final Path hooks_dir;
    public final Path static_dir;
    public final Path themes_dir;
    public final Path index_dir;

    public final Path gerrit_sh;
    public final Path gerrit_war;

    public final Path gerrit_config;
    public final Path secure_config;

    public final Path ssl_keystore;
    public final Path ssh_key;
    public final Path ssh_rsa;
    public final Path ssh_dsa;
    public final Path peer_keys;

    public final Path site_css;
    public final Path site_header;
    public final Path site_footer;
    public final Path site_gitweb;

    /** {@code true} if {@link #site_path} has not been initialized. */
    public final boolean isNew;

    @Inject
    public SitePaths(@SitePath Path sitePath) throws IOException {
        site_path = sitePath;
        Path p = sitePath;

        bin_dir = p.resolve("bin");
        etc_dir = p.resolve("etc");
        lib_dir = p.resolve("lib");
        tmp_dir = p.resolve("tmp");
        plugins_dir = p.resolve("plugins");
        db_dir = p.resolve("db");
        data_dir = p.resolve("data");
        logs_dir = p.resolve("logs");
        mail_dir = etc_dir.resolve("mail");
        hooks_dir = p.resolve("hooks");
        static_dir = p.resolve("static");
        themes_dir = p.resolve("themes");
        index_dir = p.resolve("index");

        gerrit_sh = bin_dir.resolve("gerrit.sh");
        gerrit_war = bin_dir.resolve("gerrit.war");

        gerrit_config = etc_dir.resolve("gerrit.config");
        secure_config = etc_dir.resolve("secure.config");

        ssl_keystore = etc_dir.resolve("keystore");
        ssh_key = etc_dir.resolve("ssh_host_key");
        ssh_rsa = etc_dir.resolve("ssh_host_rsa_key");
        ssh_dsa = etc_dir.resolve("ssh_host_dsa_key");
        peer_keys = etc_dir.resolve("peer_keys");

        site_css = etc_dir.resolve(CSS_FILENAME);
        site_header = etc_dir.resolve(HEADER_FILENAME);
        site_footer = etc_dir.resolve(FOOTER_FILENAME);
        site_gitweb = etc_dir.resolve("gitweb_config.perl");

        boolean isNew;
        try (DirectoryStream<Path> files = Files.newDirectoryStream(site_path)) {
            isNew = Iterables.isEmpty(files);
        } catch (NoSuchFileException e) {
            isNew = true;
        }
        this.isNew = isNew;
    }

    /**
     * Resolve an absolute or relative path.
     *
     * <p>Relative paths are resolved relative to the {@link #site_path}.
     *
     * @param path the path string to resolve. May be null.
     * @return the resolved path; null if {@code path} was null or empty.
     */
    public Path resolve(String path) {
        if (path != null && !path.isEmpty()) {
            Path loc = site_path.resolve(path).normalize();
            try {
                return loc.toRealPath();
            } catch (IOException e) {
                return loc.toAbsolutePath();
            }
        }
        return null;
    }
}