Java tutorial
/* * 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 io.brooklyn.camp.spi.pdp; import java.util.Map; import org.apache.commons.lang3.builder.ToStringBuilder; import brooklyn.util.collections.MutableMap; import com.google.common.collect.ImmutableMap; public class ArtifactContent { String href; Map<String, Object> customAttributes; public static ArtifactContent of(Object spec) { if (spec == null) return null; ArtifactContent result = new ArtifactContent(); if (spec instanceof String) { result.href = (String) spec; } else if (spec instanceof Map) { @SuppressWarnings("unchecked") Map<String, Object> attrs = MutableMap.copyOf((Map<String, Object>) spec); result.href = (String) attrs.remove("href"); result.customAttributes = attrs; } else { throw new IllegalArgumentException("artifact content should be map or string, not " + spec.getClass()); } return result; } public String getHref() { return href; } public Map<String, Object> getCustomAttributes() { return ImmutableMap.copyOf(customAttributes); } @Override public String toString() { return ToStringBuilder.reflectionToString(this); } }