| // Copyright (C) 2014 The Android Open Source Project |
| // |
| // 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.gerrit.server.git; |
| |
| import org.eclipse.jgit.errors.InvalidPatternException; |
| import org.eclipse.jgit.fnmatch.FileNameMatcher; |
| import org.eclipse.jgit.lib.Config; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.regex.Pattern; |
| import java.util.regex.PatternSyntaxException; |
| |
| public class ConfiguredMimeTypes { |
| private static final Logger log = LoggerFactory |
| .getLogger(ConfiguredMimeTypes.class); |
| |
| private static final String MIMETYPE = "mimetype"; |
| private static final String KEY_PATH = "path"; |
| |
| private final List<TypeMatcher> matchers; |
| |
| ConfiguredMimeTypes(String projectName, Config rc) { |
| Set<String> types = rc.getSubsections(MIMETYPE); |
| if (types.isEmpty()) { |
| matchers = Collections.emptyList(); |
| } else { |
| matchers = new ArrayList<>(); |
| for (String typeName : types) { |
| for (String path : rc.getStringList(MIMETYPE, typeName, KEY_PATH)) { |
| try { |
| add(typeName, path); |
| } catch (PatternSyntaxException | InvalidPatternException e) { |
| log.warn(String.format( |
| "Ignoring invalid %s.%s.%s = %s in project %s: %s", |
| MIMETYPE, typeName, KEY_PATH, |
| path, projectName, e.getMessage())); |
| } |
| } |
| } |
| } |
| } |
| |
| private void add(String typeName, String path) |
| throws PatternSyntaxException, InvalidPatternException { |
| if (path.startsWith("^")) { |
| matchers.add(new ReType(typeName, path)); |
| } else { |
| matchers.add(new FnType(typeName, path)); |
| } |
| } |
| |
| public String getMimeType(String path) { |
| for (TypeMatcher m : matchers) { |
| if (m.matches(path)) { |
| return m.type; |
| } |
| } |
| return null; |
| } |
| |
| private abstract static class TypeMatcher { |
| final String type; |
| |
| TypeMatcher(String type) { |
| this.type = type; |
| } |
| |
| abstract boolean matches(String path); |
| } |
| |
| private static class FnType extends TypeMatcher { |
| private final FileNameMatcher matcher; |
| |
| FnType(String type, String pattern) throws InvalidPatternException { |
| super(type); |
| this.matcher = new FileNameMatcher(pattern, null); |
| } |
| |
| @Override |
| boolean matches(String input) { |
| FileNameMatcher m = new FileNameMatcher(matcher); |
| m.append(input); |
| return m.isMatch(); |
| } |
| } |
| |
| private static class ReType extends TypeMatcher { |
| private final Pattern re; |
| |
| ReType(String type, String pattern) throws PatternSyntaxException { |
| super(type); |
| this.re = Pattern.compile(pattern); |
| } |
| |
| @Override |
| boolean matches(String input) { |
| return re.matcher(input).matches(); |
| } |
| } |
| } |