package com.github.wvengen.maven.proguard;  
  
import java.io.BufferedInputStream;  
import java.io.BufferedOutputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileNotFoundException;  
import java.io.FileOutputStream;  
import java.io.IOException;  
import java.io.OutputStream;  
import java.util.Iterator;  
  
import org.apache.commons.compress.archivers.ArchiveException;  
import org.apache.commons.compress.archivers.ArchiveInputStream;  
import org.apache.commons.compress.archivers.ArchiveOutputStream;  
import org.apache.commons.compress.archivers.ArchiveStreamFactory;  
import org.apache.commons.compress.archivers.jar.JarArchiveEntry;  
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;  
import org.apache.commons.compress.utils.IOUtils;  
import org.apache.commons.io.FileUtils;  
  
/** 
 * 处理WAR文件工具类。可压缩或解压缩WAR文件。 
 *  
 * @author Xiong Shuhong(shelltea@gmail.com) 
 */  
public class WarUtils {  
    public static void unzip(String warPath, String unzipPath) {  
        File warFile = new File(warPath);  
        try {  
            BufferedInputStream bufferedInputStream = new BufferedInputStream(new FileInputStream(  
                warFile));  
            ArchiveInputStream in = new ArchiveStreamFactory().createArchiveInputStream(  
                ArchiveStreamFactory.JAR, bufferedInputStream);  
  
            JarArchiveEntry entry = null;  
            while ((entry = (JarArchiveEntry) in.getNextEntry()) != null) {  
                File file = new File(unzipPath, entry.getName());  
                if (file.exists()) {  
                    file.delete();  
                }  
                if (entry.isDirectory()) {  
                    file.mkdir();  
                } else {  
                    OutputStream out = FileUtils.openOutputStream(file);  
                    IOUtils.copy(in, out);  
                    out.close();  
                }  
            }  
            in.close();  
        } catch (FileNotFoundException e) {  
            System.err.println("未找到war文件");  
        } catch (ArchiveException e) {  
            System.err.println("不支持的压缩格式");  
        } catch (IOException e) {  
            System.err.println("文件写入发生错误");  
        }  
    }  
  
    public static void zip(String destFile, String zipDir) {  
        File outFile = new File(destFile);  
        try {  
            outFile.createNewFile();  
            BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(  
                new FileOutputStream(outFile));  
            ArchiveOutputStream out = new ArchiveStreamFactory().createArchiveOutputStream(  
                ArchiveStreamFactory.JAR, bufferedOutputStream);  
  
            if (zipDir.charAt(zipDir.length() - 1) != ‘/‘) {  
                zipDir += ‘/‘;  
            }  
  
            Iterator<File> files = FileUtils.iterateFiles(new File(zipDir), null, true);  
            while (files.hasNext()) {  
                File file = files.next();  
                ZipArchiveEntry zipArchiveEntry = new ZipArchiveEntry(file, file.getPath().replace(  
                    zipDir.replace("/", "\\"), ""));  
                out.putArchiveEntry(zipArchiveEntry);  
                IOUtils.copy(new FileInputStream(file), out);  
                out.closeArchiveEntry();  
            }  
            out.finish();  
            out.close();  
        } catch (IOException e) {  
            System.err.println("创建文件失败");  
        } catch (ArchiveException e) {  
            System.err.println("不支持的压缩格式");  
        }  
    }  
}  

if (attach && !sameArtifact) {  
            //操作war解压，等一系列操作  
            String absolutePath = outJarFile.getAbsolutePath();  
            getLog().info("---absolutePath--" + absolutePath);  
            String unzipPath = outJarFile.getParent() + "/proguard-war";  
            getLog().info("删除路径" + absolutePath);  
            deleteDir(unzipPath);  
            File unZipFile = new File(unzipPath);  
            unZipFile.mkdir();  
            String targetWar = mavenProject.getBuild().getDirectory() + "/"  
                               + mavenProject.getBuild().getFinalName() + ".war";  
            getLog().info(targetWar);  
            WarUtils.unzip(targetWar, unzipPath);  
            //删除路径"  
            deleteDir(unzipPath + "/WEB-INF/classes");  
            WarUtils.unzip(absolutePath, unzipPath + "/WEB-INF/classes");  
            outJarFile.delete();  
            WarUtils.zip(absolutePath, outJarFile.getParent() + "/proguard-war");  
            getLog().info("---absolutePath--" + absolutePath);  
            if (useArtifactClassifier()) {  
                projectHelper.attachArtifact(mavenProject, attachArtifactType,  
                    attachArtifactClassifier, outJarFile);  
            } else {  
                projectHelper.attachArtifact(mavenProject, attachArtifactType, null, outJarFile);  
            }  
        }  

<plugin>  
          <groupId>com.jiujie</groupId>  
          <artifactId>code-hidding-plugin</artifactId>  
          <version>1.0</version>  
          <executions>  
              <execution>  
                  <phase>package</phase>  
                  <goals>  
                      <goal>proguard</goal>  
                  </goals>  
              </execution>  
          </executions>  
          <configuration>  
              <obfuscate>true</obfuscate>  
              <attach>true</attach>  
              <injar>classes</injar>  
              <attachArtifactClassifier>pg</attachArtifactClassifier>  
              attach 的作用是在 install 与 deploy 时将生成的 pg 文件也安装与部署  
              <proguardInclude>${basedir}/proguard.conf</proguardInclude>  
              <outjar>${project.build.finalName}-pg</outjar>  
              <libs>  
                  <lib>${java.home}/lib/rt.jar</lib>  
                  <lib>${java.home}/lib/jsse.jar</lib>  
              </libs>  
              <addMavenDescriptor>false</addMavenDescriptor>  
          </configuration>  
      </plugin>