下面列出了java.util.jar.JarInputStream#getManifest ( ) 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。
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
}
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
}
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
}
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
}
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
}
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
}
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
}
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
}
public Manifest getManifest() throws IOException {
if (jarFile != null) {
return jarFile.getManifest();
} else {
try {
JarInputStream is = new JarInputStream(new ByteArrayInputStream(this.content));
return is.getManifest();
} catch (IOException e) {
}
}
return null;
}
@Test
public void testManifest() throws Exception {
Manifest manifest = new Manifest();
manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
Plugin.Engine.Target target = new Plugin.Engine.Target.ForJarFile(file);
target.write(manifest).close();
JarInputStream inputStream = new JarInputStream(new FileInputStream(file));
try {
Manifest readManifest = inputStream.getManifest();
assertThat(readManifest.getMainAttributes().get(Attributes.Name.MANIFEST_VERSION), is((Object) "1.0"));
assertThat(inputStream.getNextJarEntry(), nullValue(JarEntry.class));
} finally {
inputStream.close();
}
}
public static String extractMainClassName(JarInputStream jarReader, NameStyle nameStyle) {
Manifest manifest = jarReader.getManifest();
if (null != manifest && manifest.getMainAttributes() != null) {
String mainClassName = manifest.getMainAttributes().getValue(Attributes.Name.MAIN_CLASS);
if (nameStyle.equals(NameStyle.SLASH_NAME)) {
mainClassName = Utilities.fulllyQualifiedNameToInternalName(mainClassName);
}
return mainClassName;
} else {
throw new RuntimeException("Manifest file required");
}
}
/**
* Create an Archive based on contents of an InputStream, get file object for
* the stream and use it. Native code is not allowed.
*
* @param is Jar file data in an InputStream.
*/
@SuppressWarnings("resource") // The input stream, is, must not be closed here.
Archive(BundleArchiveImpl ba, InputStream is) throws IOException {
this.ba = ba;
path = ".";
final JarInputStream ji = new JarInputStream(is);
manifest = ji.getManifest();
if (manifest == null) {
throw new IOException("Bundle manifest is missing");
}
content = loadJarStream(ji);
}
/**
* 提取jar包的Manifest
*
* @param jarFilePath
* @return
*/
public static Manifest getJarManifest(String jarFilePath) {
try {
@SuppressWarnings("resource")
JarInputStream jis = new JarInputStream(new FileInputStream(jarFilePath));
return jis.getManifest();
}
catch (IOException e) {
// ignore
}
return null;
}
void run(JarInputStream in, OutputStream out) throws IOException {
// First thing we do is get the manifest, as JIS does
// not provide the Manifest as an entry.
if (in.getManifest() != null) {
ByteArrayOutputStream tmp = new ByteArrayOutputStream();
in.getManifest().write(tmp);
InputStream tmpIn = new ByteArrayInputStream(tmp.toByteArray());
pkg.addFile(readFile(JarFile.MANIFEST_NAME, tmpIn));
}
for (JarEntry je; (je = in.getNextJarEntry()) != null; ) {
InFile inFile = new InFile(je);
String name = inFile.name;
Package.File bits = readFile(name, in);
Package.File file = null;
// (5078608) : discount the resource files in META-INF
// from segment computation.
long inflen = (isMetaInfFile(name))
? 0L
: inFile.getInputLength();
if ((segmentSize += inflen) > segmentLimit) {
segmentSize -= inflen;
int nextCount = -1; // don't know; it's a stream
flushPartial(out, nextCount);
}
if (verbose > 1) {
Utils.log.fine("Reading " + name);
}
assert(je.isDirectory() == name.endsWith("/"));
if (isClassFile(name)) {
file = readClass(name, bits.getInputStream());
}
if (file == null) {
file = bits;
pkg.addFile(file);
}
inFile.copyTo(file);
noteRead(inFile);
}
flushAll(out);
}
void run(JarInputStream in, OutputStream out) throws IOException {
// First thing we do is get the manifest, as JIS does
// not provide the Manifest as an entry.
if (in.getManifest() != null) {
ByteArrayOutputStream tmp = new ByteArrayOutputStream();
in.getManifest().write(tmp);
InputStream tmpIn = new ByteArrayInputStream(tmp.toByteArray());
pkg.addFile(readFile(JarFile.MANIFEST_NAME, tmpIn));
}
for (JarEntry je; (je = in.getNextJarEntry()) != null; ) {
InFile inFile = new InFile(je);
String name = inFile.name;
Package.File bits = readFile(name, in);
Package.File file = null;
// (5078608) : discount the resource files in META-INF
// from segment computation.
long inflen = (isMetaInfFile(name))
? 0L
: inFile.getInputLength();
if ((segmentSize += inflen) > segmentLimit) {
segmentSize -= inflen;
int nextCount = -1; // don't know; it's a stream
flushPartial(out, nextCount);
}
if (verbose > 1) {
Utils.log.fine("Reading " + name);
}
assert(je.isDirectory() == name.endsWith("/"));
if (isClassFile(name)) {
file = readClass(name, bits.getInputStream());
}
if (file == null) {
file = bits;
pkg.addFile(file);
}
inFile.copyTo(file);
noteRead(inFile);
}
flushAll(out);
}
void run(JarInputStream in, OutputStream out) throws IOException {
// First thing we do is get the manifest, as JIS does
// not provide the Manifest as an entry.
if (in.getManifest() != null) {
ByteArrayOutputStream tmp = new ByteArrayOutputStream();
in.getManifest().write(tmp);
InputStream tmpIn = new ByteArrayInputStream(tmp.toByteArray());
pkg.addFile(readFile(JarFile.MANIFEST_NAME, tmpIn));
}
for (JarEntry je; (je = in.getNextJarEntry()) != null; ) {
InFile inFile = new InFile(je);
String name = inFile.name;
Package.File bits = readFile(name, in);
Package.File file = null;
// (5078608) : discount the resource files in META-INF
// from segment computation.
long inflen = (isMetaInfFile(name))
? 0L
: inFile.getInputLength();
if ((segmentSize += inflen) > segmentLimit) {
segmentSize -= inflen;
int nextCount = -1; // don't know; it's a stream
flushPartial(out, nextCount);
}
if (verbose > 1) {
Utils.log.fine("Reading " + name);
}
assert(je.isDirectory() == name.endsWith("/"));
if (isClassFile(name)) {
file = readClass(name, bits.getInputStream());
}
if (file == null) {
file = bits;
pkg.addFile(file);
}
inFile.copyTo(file);
noteRead(inFile);
}
flushAll(out);
}
void run(JarInputStream in, OutputStream out) throws IOException {
// First thing we do is get the manifest, as JIS does
// not provide the Manifest as an entry.
if (in.getManifest() != null) {
ByteArrayOutputStream tmp = new ByteArrayOutputStream();
in.getManifest().write(tmp);
InputStream tmpIn = new ByteArrayInputStream(tmp.toByteArray());
pkg.addFile(readFile(JarFile.MANIFEST_NAME, tmpIn));
}
for (JarEntry je; (je = in.getNextJarEntry()) != null; ) {
InFile inFile = new InFile(je);
String name = inFile.name;
Package.File bits = readFile(name, in);
Package.File file = null;
// (5078608) : discount the resource files in META-INF
// from segment computation.
long inflen = (isMetaInfFile(name))
? 0L
: inFile.getInputLength();
if ((segmentSize += inflen) > segmentLimit) {
segmentSize -= inflen;
int nextCount = -1; // don't know; it's a stream
flushPartial(out, nextCount);
}
if (verbose > 1) {
Utils.log.fine("Reading " + name);
}
assert(je.isDirectory() == name.endsWith("/"));
if (isClassFile(name)) {
file = readClass(name, bits.getInputStream());
}
if (file == null) {
file = bits;
pkg.addFile(file);
}
inFile.copyTo(file);
noteRead(inFile);
}
flushAll(out);
}
void run(JarInputStream in, OutputStream out) throws IOException {
// First thing we do is get the manifest, as JIS does
// not provide the Manifest as an entry.
if (in.getManifest() != null) {
ByteArrayOutputStream tmp = new ByteArrayOutputStream();
in.getManifest().write(tmp);
InputStream tmpIn = new ByteArrayInputStream(tmp.toByteArray());
pkg.addFile(readFile(JarFile.MANIFEST_NAME, tmpIn));
}
for (JarEntry je; (je = in.getNextJarEntry()) != null; ) {
InFile inFile = new InFile(je);
String name = inFile.name;
Package.File bits = readFile(name, in);
Package.File file = null;
// (5078608) : discount the resource files in META-INF
// from segment computation.
long inflen = (isMetaInfFile(name))
? 0L
: inFile.getInputLength();
if ((segmentSize += inflen) > segmentLimit) {
segmentSize -= inflen;
int nextCount = -1; // don't know; it's a stream
flushPartial(out, nextCount);
}
if (verbose > 1) {
Utils.log.fine("Reading " + name);
}
assert(je.isDirectory() == name.endsWith("/"));
if (isClassFile(name)) {
file = readClass(name, bits.getInputStream());
}
if (file == null) {
file = bits;
pkg.addFile(file);
}
inFile.copyTo(file);
noteRead(inFile);
}
flushAll(out);
}
void run(JarInputStream in, OutputStream out) throws IOException {
// First thing we do is get the manifest, as JIS does
// not provide the Manifest as an entry.
if (in.getManifest() != null) {
ByteArrayOutputStream tmp = new ByteArrayOutputStream();
in.getManifest().write(tmp);
InputStream tmpIn = new ByteArrayInputStream(tmp.toByteArray());
pkg.addFile(readFile(JarFile.MANIFEST_NAME, tmpIn));
}
for (JarEntry je; (je = in.getNextJarEntry()) != null; ) {
InFile inFile = new InFile(je);
String name = inFile.name;
Package.File bits = readFile(name, in);
Package.File file = null;
// (5078608) : discount the resource files in META-INF
// from segment computation.
long inflen = (isMetaInfFile(name))
? 0L
: inFile.getInputLength();
if ((segmentSize += inflen) > segmentLimit) {
segmentSize -= inflen;
int nextCount = -1; // don't know; it's a stream
flushPartial(out, nextCount);
}
if (verbose > 1) {
Utils.log.fine("Reading " + name);
}
assert(je.isDirectory() == name.endsWith("/"));
if (isClassFile(name)) {
file = readClass(name, bits.getInputStream());
}
if (file == null) {
file = bits;
pkg.addFile(file);
}
inFile.copyTo(file);
noteRead(inFile);
}
flushAll(out);
}
void run(JarInputStream in, OutputStream out) throws IOException {
// First thing we do is get the manifest, as JIS does
// not provide the Manifest as an entry.
if (in.getManifest() != null) {
ByteArrayOutputStream tmp = new ByteArrayOutputStream();
in.getManifest().write(tmp);
InputStream tmpIn = new ByteArrayInputStream(tmp.toByteArray());
pkg.addFile(readFile(JarFile.MANIFEST_NAME, tmpIn));
}
for (JarEntry je; (je = in.getNextJarEntry()) != null; ) {
InFile inFile = new InFile(je);
String name = inFile.name;
Package.File bits = readFile(name, in);
Package.File file = null;
// (5078608) : discount the resource files in META-INF
// from segment computation.
long inflen = (isMetaInfFile(name))
? 0L
: inFile.getInputLength();
if ((segmentSize += inflen) > segmentLimit) {
segmentSize -= inflen;
int nextCount = -1; // don't know; it's a stream
flushPartial(out, nextCount);
}
if (verbose > 1) {
Utils.log.fine("Reading " + name);
}
assert(je.isDirectory() == name.endsWith("/"));
if (isClassFile(name)) {
file = readClass(name, bits.getInputStream());
}
if (file == null) {
file = bits;
pkg.addFile(file);
}
inFile.copyTo(file);
noteRead(inFile);
}
flushAll(out);
}