| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.cxf.common.logging; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public class RegexLoggingFilter { |
| |
| public static final String DEFAULT_REPLACEMENT = "*****"; |
| |
| private static class ReplaceRegEx { |
| private final Pattern pattern; |
| private final int group; |
| private final String replacement; |
| |
| ReplaceRegEx(String pattern, int group, String replacement) { |
| this.pattern = Pattern.compile(pattern); |
| this.group = group; |
| this.replacement = replacement; |
| } |
| |
| public CharSequence filter(CharSequence command) { |
| Matcher m = pattern.matcher(command); |
| int offset = 0; |
| while (m.find()) { |
| int origLen = command.length(); |
| command = new StringBuilder(command) |
| .replace(m.start(group) + offset, m.end(group) + offset, replacement).toString(); |
| offset += command.length() - origLen; |
| } |
| return command; |
| } |
| } |
| |
| private String regPattern; |
| private int regGroup = 1; |
| private String regReplacement = DEFAULT_REPLACEMENT; |
| |
| private List<ReplaceRegEx> regexs = new ArrayList<>(); |
| |
| public CharSequence filter(CharSequence command) { |
| if (regPattern != null) { |
| command = new ReplaceRegEx(regPattern, regGroup, regReplacement).filter(command); |
| } |
| for (ReplaceRegEx regex : regexs) { |
| command = regex.filter(command); |
| } |
| return command; |
| } |
| |
| public void addRegEx(String pattern) { |
| addRegEx(pattern, 1); |
| } |
| |
| public void addRegEx(String pattern, int group) { |
| addRegEx(pattern, group, DEFAULT_REPLACEMENT); |
| } |
| |
| public void addRegEx(String pattern, int group, String replacement) { |
| regexs.add(new ReplaceRegEx(pattern, group, replacement)); |
| } |
| |
| public void addCommandOption(String option, String... commands) { |
| StringBuilder pattern = new StringBuilder("("); |
| for (String command : commands) { |
| if (pattern.length() > 1) { |
| pattern.append('|'); |
| } |
| pattern.append(Pattern.quote(command)); |
| } |
| pattern.append(") +.*?").append(Pattern.quote(option)).append(" +([^ ]+)"); |
| regexs.add(new ReplaceRegEx(pattern.toString(), 2, DEFAULT_REPLACEMENT)); |
| } |
| |
| public String getPattern() { |
| return regPattern; |
| } |
| |
| public void setPattern(String pattern) { |
| this.regPattern = pattern; |
| } |
| |
| public String getReplacement() { |
| return regReplacement; |
| } |
| |
| public void setReplacement(String replacement) { |
| this.regReplacement = replacement; |
| } |
| |
| public int getGroup() { |
| return regGroup; |
| } |
| |
| public void setGroup(int group) { |
| this.regGroup = group; |
| } |
| } |