8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.tools.jlink.internal; 27 28 import java.nio.file.Path; 29 import java.util.Objects; 30 import jdk.tools.jlink.internal.Archive.Entry.EntryType; 31 32 /** 33 * An Archive backed by a jmod file. 34 */ 35 public class JmodArchive extends JarArchive { 36 37 private static final String JMOD_EXT = ".jmod"; 38 private static final String MODULE_NAME = "module"; 39 private static final String MODULE_INFO = "module-info.class"; 40 private static final String CLASSES = "classes"; 41 private static final String NATIVE_LIBS = "native"; 42 private static final String NATIVE_CMDS = "bin"; 43 private static final String CONFIG = "conf"; 44 45 public JmodArchive(String mn, Path jmod) { 46 super(mn, jmod); 47 String filename = Objects.requireNonNull(jmod.getFileName()).toString(); 48 if (!filename.endsWith(JMOD_EXT)) { 49 throw new UnsupportedOperationException("Unsupported format: " + filename); 50 } 51 } 52 53 @Override 54 EntryType toEntryType(String entryName) { 55 String section = getSection(entryName.replace('\\', '/')); 56 switch (section) { 57 case CLASSES: 58 return EntryType.CLASS_OR_RESOURCE; 59 case NATIVE_LIBS: 60 return EntryType.NATIVE_LIB; 61 case NATIVE_CMDS: 62 return EntryType.NATIVE_CMD; 63 case CONFIG: 64 return EntryType.CONFIG; 65 case MODULE_NAME: 66 return EntryType.MODULE_NAME; 67 default: 68 throw new InternalError("unexpected entry: " + section); 69 } 70 } 71 72 private static String getSection(String entryName) { 73 int i = entryName.indexOf('/'); 74 // Unnamed section. 75 String section = ""; 76 if (i > 0) { 77 section = entryName.substring(0, entryName.indexOf('/')); 78 } 79 return section; 80 } 81 82 @Override 83 String getFileName(String entryName) { 84 entryName = entryName.replace('\\', '/'); 85 return entryName.substring(entryName.indexOf('/') + 1); 86 } 87 } | 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.tools.jlink.internal; 27 28 import java.io.IOException; 29 import java.io.InputStream; 30 import java.io.UncheckedIOException; 31 import java.nio.file.Path; 32 import java.util.Objects; 33 import java.util.stream.Stream; 34 35 import jdk.internal.jmod.JmodFile; 36 import jdk.tools.jlink.internal.Archive.Entry.EntryType; 37 38 /** 39 * An Archive backed by a jmod file. 40 */ 41 public class JmodArchive implements Archive { 42 private static final String JMOD_EXT = ".jmod"; 43 44 /** 45 * An entry located in a jmod file. 46 */ 47 public class JmodEntry extends Entry { 48 private final JmodFile.Entry entry; 49 50 JmodEntry(String path, String name, EntryType type, 51 JmodFile.Entry entry) { 52 super(JmodArchive.this, path, name, type); 53 this.entry = Objects.requireNonNull(entry); 54 } 55 56 /** 57 * Returns the number of uncompressed bytes for this entry. 58 */ 59 @Override 60 public long size() { 61 return entry.size(); 62 } 63 64 @Override 65 public InputStream stream() throws IOException { 66 return jmodFile.getInputStream(entry.section(), entry.name()); 67 } 68 } 69 70 private final Path file; 71 private final String moduleName; 72 private JmodFile jmodFile; 73 74 public JmodArchive(String mn, Path jmod) { 75 Objects.requireNonNull(mn); 76 Objects.requireNonNull(jmod.getFileName()); 77 String filename = jmod.toString(); 78 if (!filename.endsWith(JMOD_EXT)) { 79 throw new UnsupportedOperationException("Unsupported format: " + filename); 80 } 81 this.moduleName = mn; 82 this.file = jmod; 83 } 84 85 @Override 86 public String moduleName() { 87 return moduleName; 88 } 89 90 @Override 91 public Path getPath() { 92 return file; 93 } 94 95 @Override 96 public Stream<Entry> entries() { 97 ensureOpen(); 98 return jmodFile.stream() 99 .map(this::toEntry); 100 } 101 102 private void ensureOpen() { 103 if (jmodFile == null) { 104 try { 105 open(); 106 } catch(IOException ioe){ 107 throw new UncheckedIOException(ioe); 108 } 109 } 110 } 111 112 @Override 113 public void open() throws IOException { 114 if (jmodFile != null) { 115 jmodFile.close(); 116 } 117 this.jmodFile = new JmodFile(file); 118 } 119 120 @Override 121 public void close() throws IOException { 122 if (jmodFile != null) { 123 jmodFile.close(); 124 } 125 } 126 127 private EntryType toEntryType(JmodFile.Section section) { 128 switch (section) { 129 case CLASSES: 130 return EntryType.CLASS_OR_RESOURCE; 131 case NATIVE_LIBS: 132 return EntryType.NATIVE_LIB; 133 case NATIVE_CMDS: 134 return EntryType.NATIVE_CMD; 135 case CONFIG: 136 return EntryType.CONFIG; 137 default: 138 throw new InternalError("unexpected entry: " + section); 139 } 140 } 141 142 private Entry toEntry(JmodFile.Entry entry) { 143 EntryType type = toEntryType(entry.section()); 144 String name = entry.name(); 145 String path = entry.section().jmodDir() + "/" + name; 146 147 // Entry.path() contains the kind of file native, conf, bin, ... 148 // Keep it to avoid naming conflict (eg: native/jvm.cfg and config/jvm.cfg 149 String resourceName = name; 150 if (type != EntryType.CLASS_OR_RESOURCE && type != EntryType.OTHER_FILES) { 151 resourceName = path; 152 } 153 154 return new JmodEntry(path, resourceName, type, entry); 155 } 156 } |