org.sonar.server.startup.GenerateBootstrapIndex.java Source code

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Here is the source code for org.sonar.server.startup.GenerateBootstrapIndex.java

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/*
 * Sonar, open source software quality management tool.
 * Copyright (C) 2008-2012 SonarSource
 * mailto:contact AT sonarsource DOT com
 *
 * Sonar is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * Sonar is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Sonar; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */
package org.sonar.server.startup;

import com.google.common.collect.Lists;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.apache.commons.lang.CharUtils;
import org.apache.commons.lang.StringUtils;
import org.sonar.home.cache.FileHashes;
import org.sonar.server.platform.DefaultServerFileSystem;

import javax.servlet.ServletContext;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.Set;

/**
 * @since 3.5
 */
public final class GenerateBootstrapIndex {

    private final ServletContext servletContext;
    private final DefaultServerFileSystem fileSystem;

    public GenerateBootstrapIndex(DefaultServerFileSystem fileSystem, ServletContext servletContext) {
        this.servletContext = servletContext;
        this.fileSystem = fileSystem;
    }

    public void start() throws IOException {
        writeIndex(fileSystem.getBootstrapIndex());
    }

    void writeIndex(File indexFile) throws IOException {
        FileUtils.forceMkdir(indexFile.getParentFile());
        FileWriter writer = new FileWriter(indexFile, false);
        try {
            for (String path : getLibs(servletContext)) {
                writer.append(path);
                InputStream is = servletContext.getResourceAsStream("/WEB-INF/lib/" + path);
                writer.append("|").append(new FileHashes().of(is));
                writer.append(CharUtils.LF);
            }
            writer.flush();

        } finally {
            IOUtils.closeQuietly(writer);
        }
    }

    public static List<String> getLibs(ServletContext servletContext) {
        List<String> libs = Lists.newArrayList();
        Set<String> paths = servletContext.getResourcePaths("/WEB-INF/lib");
        for (String path : paths) {
            if (StringUtils.endsWith(path, ".jar")) {
                String filename = StringUtils.removeStart(path, "/WEB-INF/lib/");
                if (!isIgnored(filename)) {
                    libs.add(filename);
                }
            }
        }
        return libs;
    }

    private static final String[] IGNORE = { "jtds", "mysql", "postgresql", "jruby", "jfreechart", "eastwood",
            "jetty" };

    /**
     * Dirty hack to disable downloading for certain files.
     */
    static boolean isIgnored(String filename) {
        for (String prefix : IGNORE) {
            if (StringUtils.startsWith(filename, prefix)) {
                return true;
            }
        }
        return false;
    }
}