| /* |
| * 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.felix.feature.impl; |
| |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| import org.osgi.service.feature.FeatureBundle; |
| import org.osgi.service.feature.FeatureBundleBuilder; |
| import org.osgi.service.feature.ID; |
| |
| class BundleBuilderImpl implements FeatureBundleBuilder { |
| private final ID id; |
| |
| private final Map<String,Object> metadata = new LinkedHashMap<>(); |
| |
| BundleBuilderImpl(ID id) { |
| this.id = id; |
| } |
| |
| @Override |
| public FeatureBundleBuilder addMetadata(String key, Object value) { |
| if (key == null) |
| throw new IllegalArgumentException("Metadata key cannot be null"); |
| |
| if (value == null) |
| throw new IllegalArgumentException("Metadata value cannot be null"); |
| |
| if ("id".equalsIgnoreCase(key)) |
| throw new IllegalArgumentException("Key cannot be 'id'"); |
| |
| checkMetadataValue(value); |
| |
| this.metadata.put(key, value); |
| return this; |
| } |
| |
| @Override |
| public FeatureBundleBuilder addMetadata(Map<String,Object> md) { |
| if (md.keySet().contains(null)) |
| throw new IllegalArgumentException("Metadata key cannot be null"); |
| |
| if (md.values().contains(null)) |
| throw new IllegalArgumentException("Metadata value cannot be null"); |
| |
| if (md.keySet().stream() |
| .map(String::toLowerCase) |
| .anyMatch(s -> "id".equals(s))) { |
| throw new IllegalArgumentException("Key cannot be 'id'"); |
| } |
| |
| md.values().stream() |
| .forEach(this::checkMetadataValue); |
| |
| this.metadata.putAll(md); |
| return this; |
| } |
| |
| private void checkMetadataValue(Object value) { |
| if (value instanceof String) |
| return; |
| |
| if (value instanceof Boolean) |
| return; |
| |
| if (value instanceof Number) |
| return; |
| |
| throw new IllegalArgumentException("Illegal metadata value: " + value); |
| } |
| |
| @Override |
| public FeatureBundle build() { |
| return new BundleImpl(id, metadata); |
| } |
| |
| private static class BundleImpl implements FeatureBundle { |
| private final ID id; |
| private final Map<String, Object> metadata; |
| |
| private BundleImpl(ID id, Map<String, Object> metadata) { |
| this.id = id; |
| this.metadata = Collections.unmodifiableMap(metadata); |
| } |
| |
| @Override |
| public ID getID() { |
| return id; |
| } |
| |
| @Override |
| public Map<String, Object> getMetadata() { |
| return metadata; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(id, metadata); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| BundleImpl other = (BundleImpl) obj; |
| return Objects.equals(id, other.id) && Objects.equals(metadata, other.metadata); |
| } |
| |
| @Override |
| public String toString() { |
| return "BundleImpl [getID()=" + getID() + "]"; |
| } |
| } |
| } |