org.sonarsource.commandlinezip.ZipUtils7.java Source code

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Here is the source code for org.sonarsource.commandlinezip.ZipUtils7.java

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/*
 * commandlinezip
 * Copyright (C) 2009-2016 SonarSource SA
 * mailto:contact AT sonarsource DOT com
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonarsource.commandlinezip;

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.zip.Deflater;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;

/**
 * Fork of org.sonar.api.utils.ZipUtils
 */
public final class ZipUtils7 {

    private ZipUtils7() {
        // only static methods
    }

    public static void zipDir(final Path srcDir, Path zip) throws IOException {

        try (final OutputStream out = FileUtils.openOutputStream(zip.toFile());
                final ZipOutputStream zout = new ZipOutputStream(out)) {
            Files.walkFileTree(srcDir, new SimpleFileVisitor<Path>() {
                @Override
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    try (InputStream in = new BufferedInputStream(new FileInputStream(file.toFile()))) {
                        String entryName = srcDir.relativize(file).toString();
                        ZipEntry entry = new ZipEntry(entryName);
                        zout.putNextEntry(entry);
                        IOUtils.copy(in, zout);
                        zout.closeEntry();
                    }
                    return FileVisitResult.CONTINUE;
                }

                @Override
                public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
                    if (dir.equals(srcDir)) {
                        return FileVisitResult.CONTINUE;
                    }

                    String entryName = srcDir.relativize(dir).toString();
                    ZipEntry entry = new ZipEntry(entryName);
                    zout.putNextEntry(entry);
                    zout.closeEntry();
                    return FileVisitResult.CONTINUE;
                }
            });
        }
    }

    public static void smartReportZip(final Path srcDir, Path zip) throws IOException {
        try (final OutputStream out = FileUtils.openOutputStream(zip.toFile());
                final ZipOutputStream zout = new ZipOutputStream(out)) {
            Files.walkFileTree(srcDir, new SimpleFileVisitor<Path>() {
                @Override
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    try (InputStream in = new BufferedInputStream(new FileInputStream(file.toFile()))) {
                        String entryName = srcDir.relativize(file).toString();
                        int level = file.toString().endsWith(".pb") ? ZipOutputStream.STORED
                                : Deflater.DEFAULT_COMPRESSION;
                        zout.setLevel(level);
                        ZipEntry entry = new ZipEntry(entryName);
                        zout.putNextEntry(entry);
                        IOUtils.copy(in, zout);
                        zout.closeEntry();
                    }
                    return FileVisitResult.CONTINUE;
                }

                @Override
                public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
                    if (dir.equals(srcDir)) {
                        return FileVisitResult.CONTINUE;
                    }

                    String entryName = srcDir.relativize(dir).toString();
                    ZipEntry entry = new ZipEntry(entryName);
                    zout.putNextEntry(entry);
                    zout.closeEntry();
                    return FileVisitResult.CONTINUE;
                }
            });
        }
    }

    public static void fastZip(final Path srcDir, Path zip) throws IOException {
        try (final OutputStream out = FileUtils.openOutputStream(zip.toFile());
                final ZipOutputStream zout = new ZipOutputStream(out)) {
            zout.setMethod(ZipOutputStream.STORED);
            Files.walkFileTree(srcDir, new SimpleFileVisitor<Path>() {
                @Override
                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
                    try (InputStream in = new BufferedInputStream(new FileInputStream(file.toFile()))) {
                        String entryName = srcDir.relativize(file).toString();
                        ZipEntry entry = new ZipEntry(entryName);
                        zout.putNextEntry(entry);
                        IOUtils.copy(in, zout);
                        zout.closeEntry();
                    }
                    return FileVisitResult.CONTINUE;
                }

                @Override
                public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
                    if (dir.equals(srcDir)) {
                        return FileVisitResult.CONTINUE;
                    }

                    String entryName = srcDir.relativize(dir).toString();
                    ZipEntry entry = new ZipEntry(entryName);
                    zout.putNextEntry(entry);
                    zout.closeEntry();
                    return FileVisitResult.CONTINUE;
                }
            });
        }
    }

}