1/* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23package org.graalvm.compiler.salver.handler; 24 25import static java.nio.file.StandardOpenOption.CREATE; 26import static java.nio.file.StandardOpenOption.TRUNCATE_EXISTING; 27import static java.nio.file.StandardOpenOption.WRITE; 28 29import java.io.IOException; 30import java.net.SocketAddress; 31import java.nio.channels.FileChannel; 32import java.nio.channels.SocketChannel; 33import java.nio.channels.WritableByteChannel; 34import java.nio.file.OpenOption; 35import java.nio.file.Path; 36 37import org.graalvm.compiler.salver.dumper.Dumper; 38import org.graalvm.compiler.salver.writer.ChannelDumpWriter; 39import org.graalvm.compiler.salver.writer.DumpWriter; 40 41public abstract class AbstractDumpHandler<D extends Dumper> implements DumpHandler { 42 43 protected String label; 44 45 protected DumpWriter writer; 46 protected D dumper; 47 48 public AbstractDumpHandler() { 49 setLabel(getClass().getSimpleName() + ":" + Thread.currentThread().getName()); 50 } 51 52 public String getLabel() { 53 return label; 54 } 55 56 protected void setLabel(String label) { 57 this.label = label; 58 } 59 60 public DumpWriter getWriter() { 61 return writer; 62 } 63 64 protected void setWriter(DumpWriter writer) { 65 this.writer = writer; 66 } 67 68 protected void setWriter(WritableByteChannel channel) { 69 setWriter(new ChannelDumpWriter(channel)); 70 } 71 72 protected void setWriter(SocketAddress remote) throws IOException { 73 setWriter(SocketChannel.open(remote)); 74 } 75 76 protected void setWriter(Path path) throws IOException { 77 setWriter(path, WRITE, TRUNCATE_EXISTING, CREATE); 78 } 79 80 protected void setWriter(Path path, OpenOption... options) throws IOException { 81 setWriter(FileChannel.open(path, options)); 82 } 83 84 public D getDumper() { 85 return dumper; 86 } 87 88 protected void setDumper(D dumper) { 89 this.dumper = dumper; 90 } 91 92 @Override 93 public void close() throws IOException { 94 if (dumper != null) { 95 try { 96 dumper.close(); 97 } finally { 98 dumper = null; 99 } 100 } 101 if (writer != null) { 102 try { 103 writer.close(); 104 } finally { 105 writer = null; 106 } 107 } 108 } 109} 110