org.codehaus.groovy.ast.AstToTextHelper Maven / Gradle / Ivy
/*
* 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 "";
if (node.getName() == null) return "";
return node.getName();
}
public static String getParameterText(Parameter node) {
if (node == null) return "";
String name = node.getName() == null ? "" : 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();
}
}