0N/A/*
2362N/A * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
4378N/A/*
4378N/A * This source code is provided to illustrate the usage of a given feature
4378N/A * or technique and has been deliberately simplified. Additional steps
4378N/A * required for a production-quality application, such as security checks,
4378N/A * input validation and proper error handling, might not be present in
4378N/A * this sample code.
4378N/A */
4378N/A
4378N/A
0N/Apackage com.sun.tools.example.debug.bdi;
0N/A
0N/Aimport com.sun.jdi.*;
0N/Aimport java.util.List;
0N/A
0N/Apublic class LineBreakpointSpec extends BreakpointSpec {
0N/A int lineNumber;
0N/A
0N/A LineBreakpointSpec(EventRequestSpecList specs,
0N/A ReferenceTypeSpec refSpec, int lineNumber) {
0N/A super(specs, refSpec);
0N/A this.lineNumber = lineNumber;
0N/A }
0N/A
0N/A /**
0N/A * The 'refType' is known to match.
0N/A */
4123N/A @Override
0N/A void resolve(ReferenceType refType) throws InvalidTypeException,
0N/A LineNotFoundException {
0N/A if (!(refType instanceof ClassType)) {
0N/A throw new InvalidTypeException();
0N/A }
0N/A Location location = location((ClassType)refType);
0N/A setRequest(refType.virtualMachine().eventRequestManager()
0N/A .createBreakpointRequest(location));
0N/A }
0N/A
0N/A private Location location(ClassType clazz) throws
0N/A LineNotFoundException {
0N/A Location location = null;
0N/A try {
28N/A List<Location> locs = clazz.locationsOfLine(lineNumber());
0N/A if (locs.size() == 0) {
0N/A throw new LineNotFoundException();
0N/A }
0N/A // TODO handle multiple locations
28N/A location = locs.get(0);
0N/A if (location.method() == null) {
0N/A throw new LineNotFoundException();
0N/A }
0N/A } catch (AbsentInformationException e) {
0N/A /*
0N/A * TO DO: throw something more specific, or allow
0N/A * AbsentInfo exception to pass through.
0N/A */
0N/A throw new LineNotFoundException();
0N/A }
0N/A return location;
0N/A }
0N/A
0N/A public int lineNumber() {
0N/A return lineNumber;
0N/A }
0N/A
4123N/A @Override
0N/A public int hashCode() {
0N/A return refSpec.hashCode() + lineNumber;
0N/A }
0N/A
4123N/A @Override
0N/A public boolean equals(Object obj) {
0N/A if (obj instanceof LineBreakpointSpec) {
0N/A LineBreakpointSpec breakpoint = (LineBreakpointSpec)obj;
0N/A
0N/A return refSpec.equals(breakpoint.refSpec) &&
0N/A (lineNumber == breakpoint.lineNumber);
0N/A } else {
0N/A return false;
0N/A }
0N/A }
0N/A
4123N/A @Override
0N/A public String errorMessageFor(Exception e) {
0N/A if (e instanceof LineNotFoundException) {
0N/A return ("No code at line " + lineNumber() + " in " + refSpec);
0N/A } else if (e instanceof InvalidTypeException) {
0N/A return ("Breakpoints can be located only in classes. " +
0N/A refSpec + " is an interface or array");
0N/A } else {
0N/A return super.errorMessageFor( e);
0N/A }
0N/A }
0N/A
4123N/A @Override
0N/A public String toString() {
0N/A StringBuffer buffer = new StringBuffer("breakpoint ");
0N/A buffer.append(refSpec.toString());
0N/A buffer.append(':');
0N/A buffer.append(lineNumber);
0N/A buffer.append(" (");
0N/A buffer.append(getStatusString());
0N/A buffer.append(')');
0N/A return buffer.toString();
0N/A }
0N/A}