| /* |
| * 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.ivy.plugins.parser; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.text.ParseException; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.apache.ivy.core.module.descriptor.ModuleDescriptor; |
| import org.apache.ivy.osgi.core.OSGiManifestParser; |
| import org.apache.ivy.plugins.parser.m2.PomModuleDescriptorParser; |
| import org.apache.ivy.plugins.parser.xml.XmlModuleDescriptorParser; |
| import org.apache.ivy.plugins.repository.Resource; |
| import org.apache.ivy.util.Message; |
| |
| public final class ModuleDescriptorParserRegistry extends AbstractModuleDescriptorParser { |
| private static final ModuleDescriptorParserRegistry INSTANCE = new ModuleDescriptorParserRegistry(); |
| |
| public static ModuleDescriptorParserRegistry getInstance() { |
| return INSTANCE; |
| } |
| |
| private List<ModuleDescriptorParser> parsers = new LinkedList<ModuleDescriptorParser>(); |
| |
| private ModuleDescriptorParserRegistry() { |
| parsers.add(PomModuleDescriptorParser.getInstance()); |
| parsers.add(OSGiManifestParser.getInstance()); |
| parsers.add(XmlModuleDescriptorParser.getInstance()); |
| } |
| |
| /** |
| * Adds a the given parser to this registry. |
| * |
| * @param parser |
| * the parser to add |
| */ |
| public void addParser(ModuleDescriptorParser parser) { |
| /* |
| * The parser is added in the front of the list of parsers. This is necessary because the |
| * XmlModuleDescriptorParser accepts all resources! |
| */ |
| parsers.add(0, parser); |
| } |
| |
| public ModuleDescriptorParser[] getParsers() { |
| return parsers.toArray(new ModuleDescriptorParser[parsers.size()]); |
| } |
| |
| public ModuleDescriptorParser getParser(Resource res) { |
| for (ModuleDescriptorParser parser : parsers) { |
| if (parser.accept(res)) { |
| return parser; |
| } |
| } |
| return null; |
| } |
| |
| public ModuleDescriptor parseDescriptor(ParserSettings settings, URL descriptorURL, |
| Resource res, boolean validate) throws ParseException, IOException { |
| ModuleDescriptorParser parser = getParser(res); |
| if (parser == null) { |
| Message.warn("no module descriptor parser found for " + res); |
| return null; |
| } |
| return parser.parseDescriptor(settings, descriptorURL, res, validate); |
| } |
| |
| public boolean accept(Resource res) { |
| return getParser(res) != null; |
| } |
| |
| public void toIvyFile(InputStream is, Resource res, File destFile, ModuleDescriptor md) |
| throws ParseException, IOException { |
| ModuleDescriptorParser parser = getParser(res); |
| if (parser == null) { |
| Message.warn("no module descriptor parser found for " + res); |
| } else { |
| parser.toIvyFile(is, res, destFile, md); |
| } |
| } |
| |
| } |