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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/java/net/loader/JarURLResource.java | |
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Diffstat (limited to 'libjava/classpath/gnu/java/net/loader/JarURLResource.java')
-rw-r--r-- | libjava/classpath/gnu/java/net/loader/JarURLResource.java | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/net/loader/JarURLResource.java b/libjava/classpath/gnu/java/net/loader/JarURLResource.java new file mode 100644 index 000000000..1dec92fd3 --- /dev/null +++ b/libjava/classpath/gnu/java/net/loader/JarURLResource.java @@ -0,0 +1,94 @@ +/* JarURLResource.java -- a Resource for jar URLs + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.net.loader; + + +import java.io.IOException; +import java.io.InputStream; +import java.net.MalformedURLException; +import java.net.URL; +import java.security.cert.Certificate; +import java.util.jar.JarEntry; + +public final class JarURLResource extends Resource +{ + private final JarEntry entry; + private final String name; + + public JarURLResource(JarURLLoader loader, String name, JarEntry entry) + { + super(loader); + this.entry = entry; + this.name = name; + } + + public InputStream getInputStream() throws IOException + { + return ((JarURLLoader) loader).jarfile.getInputStream(entry); + } + + public int getLength() + { + return (int) entry.getSize(); + } + + public Certificate[] getCertificates() + { + // We have to get the entry from the jar file again, because the + // certificates will not be available until the entire entry has + // been read. + return ((JarEntry) ((JarURLLoader) loader).jarfile.getEntry(name)) + .getCertificates(); + } + + public URL getURL() + { + try + { + return new URL(((JarURLLoader) loader).baseJarURL, name, + loader.cache.get(loader.factory, "jar")); + } + catch (MalformedURLException e) + { + InternalError ie = new InternalError(); + ie.initCause(e); + throw ie; + } + } +} |