| /* |
| * 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.codehaus.groovy.ast; |
| |
| import java.lang.reflect.Modifier; |
| |
| /** |
| * Helper class for converting AST into text. |
| * @author Hamlet D'Arcy |
| */ |
| public class AstToTextHelper { |
| |
| public static String getClassText(ClassNode node) { |
| if (node == null) return "<unknown>"; |
| if (node.getName() == null) return "<unknown>"; |
| return node.getName(); |
| } |
| |
| public static String getParameterText(Parameter node) { |
| if (node == null) return "<unknown>"; |
| |
| String name = node.getName() == null ? "<unknown>" : node.getName(); |
| String type = getClassText(node.getType()); |
| if (node.getInitialExpression() != null) { |
| return type + " " + name + " = " + node.getInitialExpression().getText(); |
| } |
| return type + " " + name; |
| } |
| |
| public static String getParametersText(Parameter[] parameters) { |
| if (parameters == null) return ""; |
| if (parameters.length == 0) return ""; |
| StringBuilder result = new StringBuilder(); |
| int max = parameters.length; |
| for (int x = 0; x < max; x++) { |
| result.append(getParameterText(parameters[x])); |
| if (x < (max - 1)) { |
| result.append(", "); |
| } |
| } |
| return result.toString(); |
| } |
| |
| public static String getThrowsClauseText(ClassNode[] exceptions) { |
| if (exceptions == null) return ""; |
| if (exceptions.length == 0) return ""; |
| StringBuilder result = new StringBuilder("throws "); |
| int max = exceptions.length; |
| for (int x = 0; x < max; x++) { |
| result.append(getClassText(exceptions[x])); |
| if (x < (max - 1)) { |
| result.append(", "); |
| } |
| } |
| return result.toString(); |
| } |
| |
| public static String getModifiersText(int modifiers) { |
| StringBuilder result = new StringBuilder(); |
| if (Modifier.isPrivate(modifiers)) { |
| result.append("private "); |
| } |
| if (Modifier.isProtected(modifiers)) { |
| result.append("protected "); |
| } |
| if (Modifier.isPublic(modifiers)) { |
| result.append("public "); |
| } |
| if (Modifier.isStatic(modifiers)) { |
| result.append("static "); |
| } |
| if (Modifier.isAbstract(modifiers)) { |
| result.append("abstract "); |
| } |
| if (Modifier.isFinal(modifiers)) { |
| result.append("final "); |
| } |
| if (Modifier.isInterface(modifiers)) { |
| result.append("interface "); |
| } |
| if (Modifier.isNative(modifiers)) { |
| result.append("native "); |
| } |
| if (Modifier.isSynchronized(modifiers)) { |
| result.append("synchronized "); |
| } |
| if (Modifier.isTransient(modifiers)) { |
| result.append("transient "); |
| } |
| if (Modifier.isVolatile(modifiers)) { |
| result.append("volatile "); |
| } |
| return result.toString().trim(); |
| } |
| } |