Java tutorial
/* * Copyright (c) 2014 - 2017 the original author or authors. * * 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.github.ferstl.depgraph.dependency.style; import org.apache.commons.lang3.StringUtils; import com.github.ferstl.depgraph.graph.dot.DotAttributeBuilder; class Font { String color; Integer size; String name; DotAttributeBuilder setAttributes(DotAttributeBuilder builder) { return builder.fontColor(this.color).fontSize(this.size).fontName(this.name); } void merge(Font other) { this.color = StringUtils.defaultIfBlank(other.color, this.color); this.size = other.size != null ? other.size : this.size; this.name = StringUtils.defaultIfBlank(other.name, this.name); } }