Java tutorial
/******************************************************************************* * Copyright 2015 Ivan Shubin http://galenframework.com * * 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.galenframework.parser; import org.apache.commons.lang3.builder.EqualsBuilder; import org.apache.commons.lang3.builder.HashCodeBuilder; import org.apache.commons.lang3.builder.ToStringBuilder; import java.util.LinkedList; import java.util.List; public class StructNode { public static final StructNode UNKNOWN_SOURCE = new StructNode(); private String name; private List<StructNode> childNodes; private int fileLineNumber = -1; private String source = "<unknown source>"; public StructNode(String name) { this.name = name; } public StructNode() { } public String getName() { return name; } public void setName(String name) { this.name = name; } public void setChildNodes(List<StructNode> childNodes) { this.childNodes = childNodes; } public List<StructNode> getChildNodes() { return childNodes; } public void addChildNode(StructNode childNode) { if (childNodes == null) { childNodes = new LinkedList<StructNode>(); } childNodes.add(childNode); } @Override public boolean equals(Object obj) { if (obj == null) { return false; } if (obj == this) { return true; } if (!(obj instanceof StructNode)) { return false; } StructNode rhs = (StructNode) obj; return new EqualsBuilder().append(this.name, rhs.name).append(this.childNodes, rhs.childNodes) .append(this.fileLineNumber, rhs.fileLineNumber).append(this.source, rhs.source).isEquals(); } @Override public int hashCode() { return new HashCodeBuilder().append(name).append(childNodes).append(fileLineNumber).append(source) .toHashCode(); } @Override public String toString() { return new ToStringBuilder(this).append("name", name).append("childNodes", childNodes) .append("fileLineNumber", fileLineNumber).append("source", source).toString(); } public int getFileLineNumber() { return fileLineNumber; } public void setFileLineNumber(int fileLineNumber) { this.fileLineNumber = fileLineNumber; } public String getSource() { return source; } public void setSource(String source) { this.source = source; } public boolean hasChildNodes() { return childNodes != null && !childNodes.isEmpty(); } public String assembleAllNodes() { return assembleAllNodes(""); } private String assembleAllNodes(String indentation) { StringBuilder builder = new StringBuilder(); builder.append(indentation); builder.append(name); builder.append('\n'); if (childNodes != null) { for (StructNode childNode : childNodes) { builder.append(childNode.assembleAllNodes(indentation + " ")); } } return builder.toString(); } public String assembleAllChildNodes() { StringBuilder builder = new StringBuilder(); if (childNodes != null) { for (StructNode childNode : childNodes) { builder.append(childNode.assembleAllNodes()); } } return builder.toString(); } }