1 /* 2 * Copyright (c) 1997, 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. Oracle designates this 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 27 /* 28 * The Original Code is HAT. The Initial Developer of the 29 * Original Code is Bill Foote, with contributions from others 30 * at JavaSoft/Sun. 31 */ 32 33 package jdk.test.lib.hprof.model; 34 35 /** 36 * 37 * @author Bill Foote 38 */ 39 40 41 /** 42 * Represents a stack trace, that is, an ordered collection of stack frames. 43 */ 44 45 public class StackTrace { 46 47 private StackFrame[] frames; 48 49 public StackTrace(StackFrame[] frames) { 50 this.frames = frames; 51 } 52 53 /** 54 * @param depth. The minimum reasonable depth is 1. 55 * 56 * @return a (possibly new) StackTrace that is limited to depth. 57 */ 58 public StackTrace traceForDepth(int depth) { 59 if (depth >= frames.length) { 60 return this; 61 } else { 62 StackFrame[] f = new StackFrame[depth]; 63 System.arraycopy(frames, 0, f, 0, depth); 64 return new StackTrace(f); 65 } 66 } 67 68 public void resolve(Snapshot snapshot) { 69 for (int i = 0; i < frames.length; i++) { 70 frames[i].resolve(snapshot); 71 } 72 } 73 74 public StackFrame[] getFrames() { 75 return frames; 76 } 77 }