本文整理汇总了Java中java.util.jar.JarInputStream.read方法的典型用法代码示例。如果您正苦于以下问题：Java JarInputStream.read方法的具体用法？Java JarInputStream.read怎么用？Java JarInputStream.read使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.util.jar.JarInputStream的用法示例。
在下文中一共展示了JarInputStream.read方法的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: copyJarFile
import java.util.jar.JarInputStream; //导入方法依赖的package包/类
static void copyJarFile(JarInputStream in, JarOutputStream out) throws IOException {
if (in.getManifest() != null) {
ZipEntry me = new ZipEntry(JarFile.MANIFEST_NAME);
out.putNextEntry(me);
in.getManifest().write(out);
out.closeEntry();
}
byte[] buffer = new byte[1 << 14];
for (JarEntry je; (je = in.getNextJarEntry()) != null; ) {
out.putNextEntry(je);
for (int nr; 0 < (nr = in.read(buffer)); ) {
out.write(buffer, 0, nr);
}
}
in.close();
markJarFile(out); // add PACK200 comment
}
示例2: pakBestandUit
import java.util.jar.JarInputStream; //导入方法依赖的package包/类
private void pakBestandUit(final JarInputStream archiefStream, final File archiefBestand) throws IOException {
final File parentBestand =
new File(archiefBestand.getAbsolutePath().substring(0, archiefBestand.getAbsolutePath().lastIndexOf(File.separator)));
parentBestand.mkdirs();
if (archiefBestand.createNewFile()) {
try (final FileOutputStream fos = new FileOutputStream(archiefBestand);
final BufferedOutputStream bos = new BufferedOutputStream(fos)) {
int len;
byte[] buffer = new byte[BUFFER_SIZE];
while ((len = archiefStream.read(buffer)) > 0) {
bos.write(buffer, 0, len);
}
bos.flush();
}
}
}
示例3: getBytes
import java.util.jar.JarInputStream; //导入方法依赖的package包/类
private byte[] getBytes(JarInputStream jis) throws IOException {
int len = 0;
byte[] bytes = new byte[8192];
ByteArrayOutputStream baos = new ByteArrayOutputStream(2048);
while ((len = jis.read(bytes, 0, bytes.length)) != -1) {
baos.write(bytes, 0, len);
}
return baos.toByteArray();
}
示例4: getBytes
import java.util.jar.JarInputStream; //导入方法依赖的package包/类
/**
* ��jar�������ж�ȡ��Ϣ
*
* @param jis
* @return
* @throws IOException
*/
private byte[] getBytes(JarInputStream jis) throws IOException {
int len = 0;
byte[] bytes = new byte[8192];
ByteArrayOutputStream baos = new ByteArrayOutputStream(2048);
while ((len = jis.read(bytes, 0, bytes.length)) != -1) {
baos.write(bytes, 0, len);
}
return baos.toByteArray();
}
示例5: JarLoader
import java.util.jar.JarInputStream; //导入方法依赖的package包/类
/**
* Creates a loader to load a specified JAR file.
*
* We place no restrictions on what the <code>URL</code> points to here.
* instead any access restrictions (from trusted java) are enforced by
* the <code>Security Manager</code> defined in <code>Backend.java</code>.
*
* @param url : The URL to load
* @return JarLoader : Classloader for a specified JAR
* @throws IOException : when the Jar cannot be read
*
*/
JarLoader(ClassLoader parent, URL url) throws IOException
{
super(parent);
m_url = url;
m_entries = new HashMap();
m_images = new HashMap();
// Just having a JAR in your CLASSPATH will cause us to load it,
// which means you need security access to it.
JarInputStream jis = new JarInputStream(url.openStream());
ByteArrayOutputStream img = new ByteArrayOutputStream();
byte[] buf = new byte[1024];
JarEntry je;
for (je = jis.getNextJarEntry();
je != null;
je = jis.getNextJarEntry())
{
if (je.isDirectory())
continue;
String entryName = je.getName();
Attributes attr = je.getAttributes();
int nBytes;
img.reset();
while ((nBytes = jis.read(buf)) > 0)
img.write(buf, 0, nBytes);
jis.closeEntry();
m_entries.put(entryName, img.toByteArray());
}
m_manifest = jis.getManifest();
}
示例6: fetch
import java.util.jar.JarInputStream; //导入方法依赖的package包/类
/**
* Fetches the game jar and loads and patches the classes
*
* @param jarURL The URL of the jar to be loaded and patched
* @return If no exceptions occurred
*/
public boolean fetch(String jarURL) {
Logger.Info("Fetching Jar: " + jarURL);
try {
JarInputStream in = new JarInputStream(Settings.getResourceAsStream(jarURL));
Launcher.getInstance().setProgress(1, 1);
JarEntry entry;
while ((entry = in.getNextJarEntry()) != null) {
// Check if file is needed
String name = entry.getName();
// Read class to byte array
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
byte[] data = new byte[1024];
int readSize;
while ((readSize = in.read(data, 0, data.length)) != -1)
bOut.write(data, 0, readSize);
byte[] classData = bOut.toByteArray();
bOut.close();
Logger.Info("Loading file: " + name);
Launcher.getInstance().setStatus("Loading " + name + "...");
if (name.endsWith(".class")) {
name = name.substring(0, name.indexOf(".class"));
classData = JClassPatcher.getInstance().patch(classData);
m_classData.put(name, classData);
}
}
in.close();
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
示例7: unjar
import java.util.jar.JarInputStream; //导入方法依赖的package包/类
/**
* Given an InputStream on a jar file, unjars the contents into the given
* directory.
*/
public void unjar(InputStream in, File destDir) throws IOException {
BufferedOutputStream dest = null;
JarInputStream jis = new JarInputStream(in);
JarEntry entry;
while ((entry = jis.getNextJarEntry()) != null) {
if (entry.isDirectory()) {
File dir = new File(destDir, entry.getName());
dir.mkdir();
if (entry.getTime() != -1) {
dir.setLastModified(entry.getTime());
}
continue;
}
int count;
byte[] data = new byte[BUFFER_SIZE];
File destFile = new File(destDir, entry.getName());
if (mVerbose) {
System.out.println("unjarring " + destFile +
" from " + entry.getName());
}
FileOutputStream fos = new FileOutputStream(destFile);
dest = new BufferedOutputStream(fos, BUFFER_SIZE);
try {
while ((count = jis.read(data, 0, BUFFER_SIZE)) != -1) {
dest.write(data, 0, count);
}
dest.flush();
} finally {
dest.close();
}
if (entry.getTime() != -1) {
destFile.setLastModified(entry.getTime());
}
}
jis.close();
}
示例8: rewrite
import java.util.jar.JarInputStream; //导入方法依赖的package包/类
private static File rewrite(File jar, String[] mavenCP, String classpath) throws IOException { // #190992
String[] classpathEntries = tokenizePath(classpath);
StringBuilder classPathHeader = new StringBuilder();
for (String artifact : mavenCP) {
String[] grpArtVers = artifact.split(":");
String partOfPath = File.separatorChar + grpArtVers[0].replace('.', File.separatorChar) + File.separatorChar + grpArtVers[1] + File.separatorChar + grpArtVers[2] + File.separatorChar + grpArtVers[1] + '-' + grpArtVers[2];
File dep = null;
for (String classpathEntry : classpathEntries) {
if (classpathEntry.endsWith(".jar") && classpathEntry.contains(partOfPath)) {
dep = new File(classpathEntry);
break;
}
}
if (dep == null) {
throw new IOException("no match for " + artifact + " found in " + classpath);
}
File depCopy = File.createTempFile(artifact.replace(':', '-') + '-', ".jar");
depCopy.deleteOnExit();
NbTestCase.copytree(dep, depCopy);
if (classPathHeader.length() > 0) {
classPathHeader.append(' ');
}
classPathHeader.append(depCopy.getName());
}
String n = jar.getName();
int dot = n.lastIndexOf('.');
File jarCopy = File.createTempFile(n.substring(0, dot) + '-', n.substring(dot));
jarCopy.deleteOnExit();
InputStream is = new FileInputStream(jar);
try {
OutputStream os = new FileOutputStream(jarCopy);
try {
JarInputStream jis = new JarInputStream(is);
Manifest mani = new Manifest(jis.getManifest());
mani.getMainAttributes().putValue("Class-Path", classPathHeader.toString());
JarOutputStream jos = new JarOutputStream(os, mani);
JarEntry entry;
while ((entry = jis.getNextJarEntry()) != null) {
if (entry.getName().matches("META-INF/.+[.]SF")) {
throw new IOException("cannot handle signed JARs");
}
jos.putNextEntry(entry);
byte[] buf = new byte[4092];
for (;;) {
int more = jis.read(buf, 0, buf.length);
if (more == -1) {
break;
}
jos.write(buf, 0, more);
}
}
jis.close();
jos.close();
} finally {
os.close();
}
} finally {
is.close();
}
return jarCopy;
}
示例9: generateUnhide
import java.util.jar.JarInputStream; //导入方法依赖的package包/类
public static String generateUnhide(Context context, File output) {
File temp = new File(context.getCacheDir(), "temp.apk");
String pkg = "";
Log.d(TAG, "try start ");
try {
JarInputStream source = new JarInputStream(new FileInputStream(new File(Tools.runCommand("pm path " + ISU_APK + "| head -n1 | cut -d: -f2", Tools.SuBinary(), context))));
JarOutputStream dest = new JarOutputStream(new BufferedOutputStream(new FileOutputStream(temp)));
JarEntry entry;
int size;
byte buffer[] = new byte[4096];
while ((entry = source.getNextJarEntry()) != null) {
dest.putNextEntry(new JarEntry(entry.getName()));
if (TextUtils.equals(entry.getName(), ANDROID_MANIFEST)) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
while ((size = source.read(buffer)) > 0) {
baos.write(buffer, 0, size);
}
byte xml[] = baos.toByteArray();
boolean need_zero = false;
int offset = Tools.FindOffSet(xml, COM_PKG_NAME);
if (offset < 0) {
Log.d(TAG, "offset < 0 try appModZeros");
byte[] COM_PKG_NAME_ZERO = (Tools.appStringAddZeros(app_name)).getBytes();
offset = Tools.FindOffSet(xml, COM_PKG_NAME_ZERO);
need_zero = true;
}
if (offset < 0) {
Log.d(TAG, "offset < 0 again return");
return "";
}
Log.d(TAG, "offset " + offset + " leg " + COM_PKG_NAME.length);
// Patch binary XML with new package name
if (Tools.appInstaled(context)) {
if (need_zero)
pkg = Tools.appStringAddZeros(Tools.readString("hide_app_name", null, context));
else
pkg = Tools.readString("hide_app_name", null, context);
} else
pkg = Tools.appStringMod(app_name, need_zero);
System.arraycopy(pkg.getBytes(), 0, xml, offset, pkg.length());
dest.write(xml);
} else {
while ((size = source.read(buffer)) > 0) {
dest.write(buffer, 0, size);
}
}
}
source.close();
dest.close();
signZip(context, temp, output, false);
temp.delete();
} catch (IOException e) {
e.printStackTrace();
return pkg;
}
Log.d(TAG, "pkg " + pkg.replace("\0", ""));
return pkg;
}
示例10: main
import java.util.jar.JarInputStream; //导入方法依赖的package包/类
public static final void main( String[] args ) throws IOException {
if ( args.length != 2 ) {
System.out.println( "usage: TestJarInsert jarFile insertFile" );
System.exit( 1 );
}
String jarFileName = args[0];
String insertFileName = args[1];
// the file to insert
File insertFile = new File( insertFileName );
InputStream insertStream = new FileInputStream( insertFile );
// the original JAR file
File jarFile = new File( jarFileName );
JarInputStream jarStream = new JarInputStream( new FileInputStream( jarFile ) );
Manifest manifest = jarStream.getManifest();
if ( manifest == null ) {
System.out.println( "JAR file is missing manifest" );
System.exit( 1 );
}
// output goes to a temp JAR file
String tmpFileName = jarFileName + ".tmp";
File tmpFile = new File( tmpFileName );
JarOutputStream tmpStream = new JarOutputStream( new FileOutputStream( tmpFile ), manifest );
byte[] buffer = new byte[1024];
int bytesRead;
// copy all entries from input to output, skipping the insert file if it already exists
JarEntry jarEntry = jarStream.getNextJarEntry();
while ( jarEntry != null ) {
if ( !jarEntry.getName().equals( insertFileName ) ) {
tmpStream.putNextEntry( jarEntry );
while ( ( bytesRead = jarStream.read( buffer ) ) > 0 ) {
tmpStream.write( buffer, 0, bytesRead );
}
}
jarEntry = jarStream.getNextJarEntry();
}
// add properties file to output
jarEntry = new JarEntry( insertFileName );
tmpStream.putNextEntry( jarEntry );
while ( ( bytesRead = insertStream.read( buffer ) ) != -1 ) {
tmpStream.write( buffer, 0, bytesRead );
}
// close the streams
insertStream.close();
jarStream.close();
tmpStream.close();
// if everything went OK, move tmp file to JAR file
boolean renameSuccess = tmpFile.renameTo( jarFile );
if ( !renameSuccess ) {
System.err.println( "failed to rename " + tmpFileName + " to " + jarFileName );
System.exit( 1 );
}
}
示例11: readPatchEntries
import java.util.jar.JarInputStream; //导入方法依赖的package包/类
protected void
readPatchEntries(
InputStream is )
throws IOException
{
JarInputStream jis = new JarInputStream(is );
while( true ){
JarEntry ent = jis.getNextJarEntry();
if ( ent == null ){
break;
}
if ( ent.isDirectory()){
continue;
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buffer = new byte[8192];
while( true ){
int l = jis.read( buffer );
if ( l <= 0 ){
break;
}
baos.write( buffer, 0, l );
}
patch_entries.put( ent.getName(), new ByteArrayInputStream( baos.toByteArray()));
}
}
示例12: readPatchEntries
import java.util.jar.JarInputStream; //导入方法依赖的package包/类
protected void
readPatchEntries(
InputStream is )
throws IOException
{
JarInputStream jis = new JarInputStream(is );
while( true ){
JarEntry ent = jis.getNextJarEntry();
if ( ent == null ){
break;
}
if ( ent.isDirectory()){
continue;
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buffer = new byte[8192];
while( true ){
int l = jis.read( buffer );
if ( l <= 0 ){
break;
}
baos.write( buffer, 0, l );
}
patch_entries.put( ent.getName(), new ByteArrayInputStream( baos.toByteArray()));
}
}