X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=extras%2Fjapi%2Fjava%2Fjvpp-registry%2Fio%2Ffd%2Fvpp%2Fjvpp%2FNativeLibraryLoader.java;fp=extras%2Fjapi%2Fjava%2Fjvpp-registry%2Fio%2Ffd%2Fvpp%2Fjvpp%2FNativeLibraryLoader.java;h=0000000000000000000000000000000000000000;hb=4e633e1043e867fd24badeb0405f794793beb9a9;hp=ce6d1bfc98248d975c179b2078b97e903a8b815c;hpb=aed61801947146e6a93e7791d382bd21d050ee14;p=vpp.git diff --git a/extras/japi/java/jvpp-registry/io/fd/vpp/jvpp/NativeLibraryLoader.java b/extras/japi/java/jvpp-registry/io/fd/vpp/jvpp/NativeLibraryLoader.java deleted file mode 100644 index ce6d1bfc982..00000000000 --- a/extras/japi/java/jvpp-registry/io/fd/vpp/jvpp/NativeLibraryLoader.java +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Copyright (c) 2016 Cisco and/or its affiliates. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package io.fd.vpp.jvpp; - -import java.io.IOException; -import java.io.InputStream; -import java.nio.file.Files; -import java.nio.file.Path; -import java.nio.file.StandardCopyOption; -import java.nio.file.attribute.PosixFilePermission; -import java.nio.file.attribute.PosixFilePermissions; -import java.util.Set; -import java.util.logging.Level; -import java.util.logging.Logger; - -/** - * Utility class for loading JNI libraries. - */ -public final class NativeLibraryLoader { - - private static final Logger LOG = Logger.getLogger(NativeLibraryLoader.class.getName()); - - private NativeLibraryLoader() { - throw new UnsupportedOperationException("This utility class cannot be instantiated."); - } - - /** - * Loads JNI library using class loader of the given class. - * - * @param libName name of the library to be loaded - */ - public static void loadLibrary(final String libName, final Class clazz) throws IOException { - java.util.Objects.requireNonNull(libName, "libName should not be null"); - java.util.Objects.requireNonNull(clazz, "clazz should not be null"); - try (final InputStream is = clazz.getResourceAsStream('/' + libName)) { - if (is == null) { - throw new IOException("Failed to open library resource " + libName); - } - loadStream(libName, is); - } - } - - private static void loadStream(final String libName, final InputStream is) throws IOException { - final Set perms = PosixFilePermissions.fromString("rwxr-x---"); - final Path p = Files.createTempFile(libName, null, PosixFilePermissions.asFileAttribute(perms)); - try { - Files.copy(is, p, StandardCopyOption.REPLACE_EXISTING); - Runtime.getRuntime().load(p.toString()); - } catch (Exception e) { - throw new IOException("Failed to load library " + p, e); - } finally { - try { - Files.deleteIfExists(p); - } catch (IOException e) { - LOG.log(Level.WARNING, String.format("Failed to delete temporary file %s.", p), e); - } - } - } -}