| /* |
| * Copyright 2010 Google Inc. |
| * |
| * 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 com.google.gwt.logging.server; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.logging.LogRecord; |
| |
| /** |
| * @deprecated Use com.google.gwt.core.server.StackTraceDeobfuscator instead. |
| */ |
| @Deprecated |
| public class StackTraceDeobfuscator extends com.google.gwt.core.server.StackTraceDeobfuscator { |
| |
| protected File symbolMapsDirectory; |
| |
| /** |
| * Creates a deobfuscator that loads symbol map files from the given directory. Symbol maps are |
| * generated into the location specified by the GWT compiler <code>-deploy</code> command line |
| * argument. |
| * |
| * @param symbolMapsDirectory the <code>symbolMaps</code> directory, with or without trailing |
| * directory separator character |
| */ |
| public StackTraceDeobfuscator(String symbolMapsDirectory) { |
| this(symbolMapsDirectory, false); |
| } |
| |
| /** |
| * Creates a deobfuscator that loads symbol map files from the given directory. Symbol maps are |
| * generated into the location specified by the GWT compiler <code>-deploy</code> command line |
| * argument. |
| * |
| * @param symbolMapsDirectory the <code>symbolMaps</code> directory, with or without trailing |
| * directory separator character |
| * @param lazyLoad if true, only symbols requested to be deobfuscated are cached. This provides |
| * a large memory savings at the expense of occasional extra disk reads. |
| */ |
| public StackTraceDeobfuscator(String symbolMapsDirectory, boolean lazyLoad) { |
| setLazyLoad(lazyLoad); |
| setSymbolMapsDirectory(symbolMapsDirectory); |
| } |
| |
| /** |
| * Best effort resymbolization of a log record's stack trace. |
| * |
| * @param lr the log record to resymbolize |
| * @param strongName the GWT permutation strong name |
| * @return the best effort resymbolized log record |
| */ |
| public LogRecord deobfuscateLogRecord(LogRecord lr, String strongName) { |
| if (lr.getThrown() != null && strongName != null) { |
| lr.setThrown(deobfuscateThrowable(lr.getThrown(), strongName)); |
| } |
| return lr; |
| } |
| |
| public StackTraceElement[] deobfuscateStackTrace(StackTraceElement[] st, String strongName) { |
| return super.resymbolize(st, strongName); |
| } |
| |
| public Throwable deobfuscateThrowable(Throwable old, String strongName) { |
| Throwable t = new Throwable(old.getMessage()); |
| t.setStackTrace(deobfuscateStackTrace(old.getStackTrace(), strongName)); |
| if (old.getCause() != null) { |
| t.initCause(deobfuscateThrowable(old.getCause(), strongName)); |
| } |
| return t; |
| } |
| |
| /** |
| * @deprecated The behavior of changing symbol map after construction is undefined, please provide |
| * it in construction time. If the directory needs to be changed after construction, a |
| * new instance of this class can be instantiated with the different one. |
| */ |
| @Deprecated |
| public void setSymbolMapsDirectory(String symbolMapsDirectory) { |
| // permutations are unique, no need to clear the symbolMaps hash map |
| this.symbolMapsDirectory = new File(symbolMapsDirectory); |
| } |
| |
| protected InputStream openInputStream(String fileName) throws IOException { |
| return new FileInputStream(new File(symbolMapsDirectory, fileName)); |
| } |
| } |