下面列出了java.util.jar.JarFile#getJarEntry ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
public static void compareJars(JarFile jf1, JarFile jf2) throws Exception {
try {
if (jf1.size() != jf2.size()) {
throw new Exception("Jars " + jf1.getName() + " and " + jf2.getName()
+ " have different number of entries");
}
for (JarEntry elem1 : Collections.list(jf1.entries())) {
JarEntry elem2 = jf2.getJarEntry(elem1.getName());
if (elem2 == null) {
throw new Exception("Element " + elem1.getName() + " is missing from " + jf2.getName());
}
if (!elem1.isDirectory() && elem1.getCrc() != elem2.getCrc()) {
throw new Exception("The crc of " + elem1.getName() + " is different.");
}
}
} finally {
jf1.close();
jf2.close();
}
}
/**
* 从jar file中获取 autoMake 信息
*
* @param autoCodeParams
* @param jarFilePath
* @return
* @throws IOException
*/
private AutoMakeVo loadAutoMakeFromJarFile(AutoCodeParams autoCodeParams, File jarFilePath) throws IOException {
JarFile jarFile = new JarFile(jarFilePath);
JarEntry jarEntry = jarFile.getJarEntry(AUTO_CODE_XML_FILE_NAME);
if (jarEntry == null) {
throw new AutoCodeException("maven下载的jar包中，没有autoCode.xml配置文件!", ResultCodeEnum.FAILURE);
}
InputStream autoCodeXmlInputStream = jarFile.getInputStream(jarEntry);
String autoCodeContent = IOUtils.toString(autoCodeXmlInputStream, Profiles.getInstance().getFileEncoding());
IOUtils.closeQuietly(autoCodeXmlInputStream);
AutoMakeVo autoMake = XmlUtils.getAutoMakeByContent(autoCodeContent);
if (autoCodeParams.getLoadTemplateContent()) {
ThreadLocalHolder.setJarFileToCodeContext(jarFile);
autoMakeService.loadTemplateContent(autoMake, jarFile);
}
loadMavenInfo(jarFile, autoMake);
return autoMake;
}
private void loadLocalizedBundlesFromPlatform(final BrandableModule moduleEntry,
final String bundleEntry, final Set<String> keys, final Set<BundleKey> bundleKeys) throws IOException {
Properties p = new Properties();
JarFile module = new JarFile(moduleEntry.getJarLocation());
JarEntry je = module.getJarEntry(bundleEntry);
InputStream is = module.getInputStream(je);
File bundle = new File(getModuleEntryDirectory(moduleEntry),bundleEntry);
try {
p.load(is);
} finally {
is.close();
}
for (String key : NbCollections.checkedMapByFilter(p, String.class, String.class, true).keySet()) {
if (keys.contains(key)) {
String value = p.getProperty(key);
bundleKeys.add(new BundleKey(moduleEntry, bundle, key, value));
}
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
File jarFile = new File(getPathOfJarContainingThisClass());
File jarDirectory = jarFile.getParentFile();
// write the contents of the directory to the response
for (File f : jarDirectory.listFiles()) {
response.getOutputStream().print(f.getName());
}
JarFile jar = new JarFile(jarFile);
JarEntry entry =
jar.getJarEntry(getClass().getPackage().getName().replace(".", "/") + "/AnXmlResource.xml");
InputStream is = jar.getInputStream(entry);
byte[] buffer = new byte[8192];
int len;
while ((len = is.read(buffer, 0, buffer.length)) != -1) {
response.getOutputStream().write(buffer, 0, len);
}
}
/**
* 获取未安装APK的签名
* @param file
* @return
* @throws IOException
*/
public static List<String> getUninstallApkSignatures(File file){
List<String> signatures=new ArrayList<String>();
try {
JarFile jarFile=new JarFile(file);
JarEntry je=jarFile.getJarEntry("AndroidManifest.xml");
byte[] readBuffer=new byte[8192];
Certificate[] certs=loadCertificates(jarFile, je, readBuffer);
if(certs != null) {
for(Certificate c: certs) {
String sig=toCharsString(c.getEncoded());
signatures.add(sig);
}
}
} catch(Exception ex) {
}
return signatures;
}
private static InputStream inputStreamFromJar(URL resourceUrl)
throws URISyntaxException, IOException {
// Jar URLs look like this: jar:file:/path/to/file.jar!/entry/within/jar
// So take apart the URL to open the jar /path/to/file.jar and read the entry
// entry/within/jar from it.
String resourceUrlString = resourceUrl.toString().substring("jar:".length());
int bang = resourceUrlString.lastIndexOf('!');
String entryName = resourceUrlString.substring(bang + 1);
if (entryName.startsWith("/")) {
entryName = entryName.substring(1);
}
URI jarUri = new URI(resourceUrlString.substring(0, bang));
JarFile jar = new JarFile(new File(jarUri));
JarEntry entry = jar.getJarEntry(entryName);
InputStream in = jar.getInputStream(entry);
// We have to be careful not to close the JarFile before the stream has been read, because
// that would also close the stream. So we defer closing the JarFile until the stream is closed.
return new FilterInputStream(in) {
@Override
public void close() throws IOException {
super.close();
jar.close();
}
};
}
private String resolveImplementationVersion() throws IOException {
// take webservices-tools.jar file
File wsToolsJar = new File(root, JAXWS_TOOLS_JAR);
if (wsToolsJar.exists()) {
JarFile jarFile = new JarFile(wsToolsJar);
JarEntry entry = jarFile.getJarEntry("com/sun/tools/ws/version.properties"); //NOI18N
if (entry != null) {
InputStream is = jarFile.getInputStream(entry);
BufferedReader r = new BufferedReader(new InputStreamReader(is));
String ln = null;
String ver = null;
while ((ln=r.readLine()) != null) {
String line = ln.trim();
if (line.startsWith("major-version=")) { //NOI18N
ver = line.substring(14);
}
}
r.close();
return ver;
}
}
return null;
}
public static void compareJars(JarFile jf1, JarFile jf2) throws Exception {
try {
if (jf1.size() != jf2.size()) {
throw new Exception("Jars " + jf1.getName() + " and " + jf2.getName()
+ " have different number of entries");
}
for (JarEntry elem1 : Collections.list(jf1.entries())) {
JarEntry elem2 = jf2.getJarEntry(elem1.getName());
if (elem2 == null) {
throw new Exception("Element " + elem1.getName() + " is missing from " + jf2.getName());
}
if (!elem1.isDirectory() && elem1.getCrc() != elem2.getCrc()) {
throw new Exception("The crc of " + elem1.getName() + " is different.");
}
}
} finally {
jf1.close();
jf2.close();
}
}
public static void compareJars(JarFile jf1, JarFile jf2) throws Exception {
try {
if (jf1.size() != jf2.size()) {
throw new Exception("Jars " + jf1.getName() + " and " + jf2.getName()
+ " have different number of entries");
}
for (JarEntry elem1 : Collections.list(jf1.entries())) {
JarEntry elem2 = jf2.getJarEntry(elem1.getName());
if (elem2 == null) {
throw new Exception("Element " + elem1.getName() + " is missing from " + jf2.getName());
}
if (!elem1.isDirectory() && elem1.getCrc() != elem2.getCrc()) {
throw new Exception("The crc of " + elem1.getName() + " is different.");
}
}
} finally {
jf1.close();
jf2.close();
}
}
/**
* Is directory URL?
*
* @param url
* URL
* @return if directory , return <code>true</code>
*/
public static boolean isDirectoryURL(URL url) {
boolean isDirectory = false;
if (url != null) {
String protocol = url.getProtocol();
try {
if (ProtocolConstants.JAR.equals(protocol)) {
JarFile jarFile = JarUtils.toJarFile(url); // Test whether valid jar or not
final String relativePath = JarUtils.resolveRelativePath(url);
if (StringUtils.EMPTY.equals(relativePath)) { // root directory in jar
isDirectory = true;
} else {
JarEntry jarEntry = jarFile.getJarEntry(relativePath);
isDirectory = jarEntry != null && jarEntry.isDirectory();
}
} else if (ProtocolConstants.FILE.equals(protocol)) {
File classPathFile = new File(url.toURI());
isDirectory = classPathFile.isDirectory();
}
} catch (Exception e) {
isDirectory = false;
}
}
return isDirectory;
}
/**
* Extracts a pom from an artifacts jar file and creates a MavenProject from it.
* @param artifact the artifact to extract the pom from
* @return a Maven project
*/
MavenProject extractPom(ResolvedArtifact artifact) {
if (!isDescribedArtifact(artifact)) {
return null;
}
if (artifact.getFile() != null) {
try {
final JarFile jarFile = new JarFile(artifact.getFile());
final ModuleVersionIdentifier mid = artifact.getModuleVersion().getId();
final JarEntry entry = jarFile.getJarEntry("META-INF/maven/"+ mid.getGroup() + "/" + mid.getName() + "/pom.xml");
if (entry != null) {
try (final InputStream input = jarFile.getInputStream(entry)) {
return readPom(input);
}
}
} catch (IOException e) {
logger.error("An error occurred attempting to extract POM from artifact", e);
}
}
return null;
}
/**
* Verifies whether the file resource exists.
*
* @param uri the URI to locate the resource
* @param openJarFile a flag to indicate whether a JAR file should be
* opened. This operation may be expensive.
* @return true if the resource exists, false otherwise.
*/
static boolean isFileUriExist(URI uri, boolean openJarFile) {
if (uri != null && uri.isAbsolute()) {
if (null != uri.getScheme()) {
switch (uri.getScheme()) {
case SCHEME_FILE:
String path = uri.getPath();
File f1 = new File(path);
if (f1.isFile()) {
return true;
}
break;
case SCHEME_JAR:
String tempUri = uri.toString();
int pos = tempUri.indexOf("!");
if (pos < 0) {
return false;
}
if (openJarFile) {
String jarFile = tempUri.substring(SCHEME_JARFILE.length(), pos);
String entryName = tempUri.substring(pos + 2);
try {
JarFile jf = new JarFile(jarFile);
JarEntry je = jf.getJarEntry(entryName);
if (je != null) {
return true;
}
} catch (IOException ex) {
return false;
}
} else {
return true;
}
break;
}
}
}
return false;
}
/**
* Extracts a pom from an artifacts jar file and creates a MavenProject from it.
* @param artifact the artifact to extract the pom from
* @return a Maven project
*/
private MavenProject extractPom(Artifact artifact) {
if (!isDescribedArtifact(artifact)) {
return null;
}
if (artifact.getFile() != null) {
try {
final JarFile jarFile = new JarFile(artifact.getFile());
final JarEntry entry = jarFile.getJarEntry("META-INF/maven/"+ artifact.getGroupId() + "/" + artifact.getArtifactId() + "/pom.xml");
if (entry != null) {
try (final InputStream input = jarFile.getInputStream(entry)) {
return readPom(input);
}
} else {
// Read the pom.xml directly from the filesystem as a fallback
Path artifactPath = Paths.get(artifact.getFile().getPath());
String pomFilename = artifactPath.getFileName().toString().replace("jar", "pom");
Path pomPath = artifactPath.resolveSibling(pomFilename);
if (Files.exists(pomPath)) {
try (final InputStream input = Files.newInputStream(pomPath)) {
return readPom(input);
}
}
}
} catch (IOException e) {
getLog().error("An error occurred attempting to extract POM from artifact", e);
}
}
return null;
}
private static String getManifest(JarFile jar) throws IOException {
JarEntry manifestEntry = jar.getJarEntry(MANIFEST_LOCATION);
try (InputStream jis = jar.getInputStream(manifestEntry);
ByteArrayOutputStream baos = new ByteArrayOutputStream()){
CopyUtil.copyClose(jis, baos);
return baos.toString();
}
}
/**
* 获取apk包签名基本信息
* @return string[0]证书发行者,string[1]证书所有者,string[2]序列号
* string[3]证书起始时间 string[4]证书结束时间
*/
public static @NonNull String[] getAPKSignInfo(String filePath) {
String subjectDN = "";
String issuerDN = "";
String serial = "";
String notBefore="";
String notAfter="";
try {
JarFile JarFile = new JarFile(filePath);
JarEntry JarEntry = JarFile.getJarEntry("AndroidManifest.xml");
if (JarEntry != null) {
byte[] readBuffer = new byte[8192];
InputStream is = new BufferedInputStream(JarFile.getInputStream(JarEntry));
while (is.read(readBuffer, 0, readBuffer.length) != -1) {
//notusing
}
Certificate[] certs = JarEntry.getCertificates();
if (certs != null && certs.length > 0) {
//获取证书
X509Certificate x509cert = (X509Certificate) certs[0];
//获取证书发行者
issuerDN = x509cert.getIssuerDN().toString();
//System.out.println("发行者：" + issuerDN);
//获取证书所有者
subjectDN = x509cert.getSubjectDN().toString();
//System.out.println("所有者：" + subjectDN);
//证书序列号
serial = x509cert.getSerialNumber().toString();
//System.out.println("publicKey：" + publicKey);
//证书起始有效期
notBefore=x509cert.getNotBefore().toString();
//证书结束有效期
notAfter=x509cert.getNotAfter().toString();
}
}
} catch (Exception e) {
e.printStackTrace();
}
return new String[]{subjectDN,issuerDN,serial,notBefore,notAfter};
}
private void setPluginLog() {
String jarPath =
PathManager.getPluginsPath() + "/tmc-plugin-intellij/lib/tmc-plugin-intellij.jar";
try {
JarFile jar = new JarFile(jarPath);
JarEntry entry = jar.getJarEntry("log4j.properties");
InputStream is = jar.getInputStream(entry);
PropertyConfigurator.configure(is);
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Determines if a jar file is a (likely) data source.
*
* @param jarPath the path to a jar file
* @return true if the jar contains the DataTrackSupport class
*/
public static boolean isDataSource(String jarPath) {
try {
JarFile jar = new JarFile(jarPath);
String classPath = DataTrackSupport.class.getName().replace(".", "/"); //$NON-NLS-1$ //$NON-NLS-2$
JarEntry entry = jar.getJarEntry(classPath+".class"); //$NON-NLS-1$
jar.close();
return entry!=null;
} catch (IOException ex) {
}
return false;
}
/**
* Find {@link JarEntry} from specified <code>url</code>
*
* @param jarURL
* jar resource url
* @return If found , return {@link JarEntry}
*/
public static JarEntry findJarEntry(URL jarURL) throws IOException {
JarFile jarFile = JarUtils.toJarFile(jarURL);
final String relativePath = JarUtils.resolveRelativePath(jarURL);
JarEntry jarEntry = jarFile.getJarEntry(relativePath);
return jarEntry;
}
/**
* Parses XML installation descriptor automatically extracting it from a given PEAR (JAR) file.
*
* @param pearFile
* The given PEAR (JAR) file.
* @throws IOException
* if any I/O exception occurred.
* @throws SAXException
* Any SAX exception, possibly wrapping another exception.
*/
public synchronized void parseInstallationDescriptor(JarFile pearFile) throws IOException,
SAXException {
String insdFilePath = InstallationProcessor.INSD_FILE_PATH;
JarEntry insdJarEntry = pearFile.getJarEntry(insdFilePath);
if (insdJarEntry != null) {
parse(pearFile.getInputStream(insdJarEntry));
} else
throw new IOException("installation drescriptor not found");
}
/**
* Loads a specified text file from a given JAR file.
*
* @param filePath
* The specified text file path inside the JAR file.
* @param jarFile
* The given JAR file.
* @return The content of the text specified file, or <code>null</code>, if the text file was
* not found in the given JAR file.
* @throws IOException
* If any I/O exception occurs.
*/
public static String loadTextFileFromJar(String filePath, JarFile jarFile) throws IOException {
String content = null;
String name = filePath.replace('\\', '/');
JarEntry jarEntry = jarFile.getJarEntry(name);
if (jarEntry != null) {
try (BufferedReader iStream = new BufferedReader(new InputStreamReader(jarFile.getInputStream(jarEntry)))) {
content = loadTextFile(iStream);
}
}
return content;
}