0N/A/*
2362N/A * Copyright (c) 1998, 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.tty;
0N/A
0N/Aimport com.sun.jdi.Location;
0N/Aimport com.sun.jdi.AbsentInformationException;
0N/Aimport java.util.List;
0N/Aimport java.util.ArrayList;
0N/Aimport java.util.StringTokenizer;
0N/Aimport java.io.*;
0N/A
0N/Aclass SourceMapper {
0N/A
0N/A private final String[] dirs;
0N/A
28N/A SourceMapper(List<String> sourcepath) {
0N/A /*
0N/A * sourcepath can arrive from the debugee as a List.
0N/A * (via PathSearchingVirtualMachine.classPath())
0N/A */
0N/A List<String> dirList = new ArrayList<String>();
28N/A for (String element : sourcepath) {
0N/A //XXX remove .jar and .zip files; we want only directories on
0N/A //the source path. (Bug ID 4186582)
0N/A if ( ! (element.endsWith(".jar") ||
0N/A element.endsWith(".zip"))) {
0N/A dirList.add(element);
0N/A }
0N/A }
28N/A dirs = dirList.toArray(new String[0]);
0N/A }
0N/A
0N/A SourceMapper(String sourcepath) {
0N/A /*
0N/A * sourcepath can also arrive from the command line
0N/A * as a String. (via "-sourcepath")
0N/A *
0N/A * Using File.pathSeparator as delimiter below is OK
0N/A * because we are on the same machine as the command
0N/A * line originiated.
0N/A */
0N/A StringTokenizer st = new StringTokenizer(sourcepath,
0N/A File.pathSeparator);
0N/A List<String> dirList = new ArrayList<String>();
0N/A while (st.hasMoreTokens()) {
0N/A String s = st.nextToken();
0N/A //XXX remove .jar and .zip files; we want only directories on
0N/A //the source path. (Bug ID 4186582)
0N/A if ( ! (s.endsWith(".jar") ||
0N/A s.endsWith(".zip"))) {
0N/A dirList.add(s);
0N/A }
0N/A }
28N/A dirs = dirList.toArray(new String[0]);
0N/A }
0N/A
0N/A /*
0N/A * Return the current sourcePath as a String.
0N/A */
0N/A String getSourcePath() {
0N/A int i = 0;
0N/A StringBuffer sp;
0N/A if (dirs.length < 1) {
0N/A return ""; //The source path is empty.
0N/A } else {
0N/A sp = new StringBuffer(dirs[i++]);
0N/A }
0N/A for (; i < dirs.length; i++) {
0N/A sp.append(File.pathSeparator);
0N/A sp.append(dirs[i]);
0N/A }
0N/A return sp.toString();
0N/A }
0N/A
0N/A /**
0N/A * Return a File cooresponding to the source of this location.
0N/A * Return null if not available.
0N/A */
0N/A File sourceFile(Location loc) {
0N/A try {
0N/A String filename = loc.sourceName();
0N/A String refName = loc.declaringType().name();
0N/A int iDot = refName.lastIndexOf('.');
0N/A String pkgName = (iDot >= 0)? refName.substring(0, iDot+1) : "";
0N/A String full = pkgName.replace('.', File.separatorChar) + filename;
0N/A for (int i= 0; i < dirs.length; ++i) {
0N/A File path = new File(dirs[i], full);
0N/A if (path.exists()) {
0N/A return path;
0N/A }
0N/A }
0N/A return null;
0N/A } catch (AbsentInformationException e) {
0N/A return null;
0N/A }
0N/A }
0N/A
0N/A /**
0N/A * Return a BufferedReader cooresponding to the source
0N/A * of this location.
0N/A * Return null if not available.
0N/A * Note: returned reader must be closed.
0N/A */
0N/A BufferedReader sourceReader(Location loc) {
0N/A File sourceFile = sourceFile(loc);
0N/A if (sourceFile == null) {
0N/A return null;
0N/A }
0N/A try {
0N/A return new BufferedReader(new FileReader(sourceFile));
0N/A } catch(IOException exc) {
0N/A }
0N/A return null;
0N/A }
0N/A}