| /* |
| * 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.maven.toolchain; |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| import java.util.Objects; |
| import java.util.Properties; |
| |
| import org.apache.maven.toolchain.model.ToolchainModel; |
| import org.slf4j.Logger; |
| |
| /** |
| * Default abstract toolchain implementation, to be used as base class for any toolchain implementation |
| * to avoid rewriting usual code. |
| * |
| * @since 2.0.9 |
| */ |
| public abstract class DefaultToolchain // should have been AbstractToolchain... |
| implements Toolchain, ToolchainPrivate { |
| private final Logger logger; |
| |
| private String type; |
| |
| private Map<String, RequirementMatcher> provides = new HashMap<>(); |
| |
| public static final String KEY_TYPE = "type"; // NOI18N |
| |
| private ToolchainModel model; |
| |
| /** |
| * |
| * @param model the model, must not be {@code null} |
| * @param logger the logger, must not be {@code null} |
| */ |
| protected DefaultToolchain(ToolchainModel model, Logger logger) { |
| this.model = model; |
| this.logger = logger; |
| } |
| |
| /** |
| * |
| * @param model the model, must not be {@code null} |
| * @param type the type |
| * @param logger the logger, must not be {@code null} |
| */ |
| protected DefaultToolchain(ToolchainModel model, String type, Logger logger) { |
| this(model, logger); |
| this.type = type; |
| } |
| |
| @Override |
| public final String getType() { |
| return type != null ? type : model.getType(); |
| } |
| |
| @Override |
| public final ToolchainModel getModel() { |
| return model; |
| } |
| |
| public final void addProvideToken(String type, RequirementMatcher matcher) { |
| provides.put(type, matcher); |
| } |
| |
| @Override |
| public boolean matchesRequirements(Map<String, String> requirements) { |
| for (Map.Entry<String, String> requirement : requirements.entrySet()) { |
| String key = requirement.getKey(); |
| |
| RequirementMatcher matcher = provides.get(key); |
| |
| if (matcher == null) { |
| getLog().debug("Toolchain {} is missing required property: {}", this, key); |
| return false; |
| } |
| if (!matcher.matches(requirement.getValue())) { |
| getLog().debug("Toolchain {} doesn't match required property: {}", this, key); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| protected Logger getLog() { |
| return logger; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj == null) { |
| return false; |
| } |
| |
| if (this == obj) { |
| return true; |
| } |
| |
| if (!(obj instanceof DefaultToolchain)) { |
| return false; |
| } |
| |
| DefaultToolchain other = (DefaultToolchain) obj; |
| |
| if (!Objects.equals(type, other.type)) { |
| return false; |
| } |
| |
| Properties thisProvides = this.getModel().getProvides(); |
| Properties otherProvides = other.getModel().getProvides(); |
| |
| return Objects.equals(thisProvides, otherProvides); |
| } |
| |
| @Override |
| public int hashCode() { |
| int hashCode = (type == null) ? 0 : type.hashCode(); |
| |
| if (this.getModel().getProvides() != null) { |
| hashCode = 31 * hashCode + this.getModel().getProvides().hashCode(); |
| } |
| return hashCode; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder builder = new StringBuilder(); |
| builder.append("type:").append(getType()); |
| builder.append('{'); |
| |
| Iterator<Map.Entry<String, RequirementMatcher>> providesIter = |
| provides.entrySet().iterator(); |
| while (providesIter.hasNext()) { |
| Map.Entry<String, RequirementMatcher> provideEntry = providesIter.next(); |
| builder.append(provideEntry.getKey()).append(" = ").append(provideEntry.getValue()); |
| if (providesIter.hasNext()) { |
| builder.append(';'); |
| } |
| } |
| |
| builder.append('}'); |
| |
| return builder.toString(); |
| } |
| } |