| /** |
| * |
| * Copyright 2005-2006 The Apache Software Foundation or its licensors, as applicable. |
| * |
| * 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 org.apache.xbean.spring.generator; |
| |
| import java.util.Set; |
| import java.util.HashSet; |
| import java.util.Collections; |
| |
| /** |
| * @author Dain Sundstrom |
| * @version $Id$ |
| * @since 1.0 |
| */ |
| public class Type { |
| private final String name; |
| private final Type nestedType; |
| private final boolean primitive; |
| |
| public static Type newSimpleType(String name) { |
| if (name == null) throw new NullPointerException("type"); |
| if (name.indexOf("[") >= 0 || name.indexOf("]") >= 0) { |
| throw new IllegalArgumentException("Name can not contain '[' or ']' " + name); |
| } |
| return new Type(name, null); |
| } |
| |
| public static Type newArrayType(String type, int dimensions) { |
| if (type == null) throw new NullPointerException("type"); |
| if (dimensions < 1) throw new IllegalArgumentException("dimensions must be atleast one"); |
| StringBuffer buf = new StringBuffer(type.length() + (dimensions * 2)); |
| buf.append(type); |
| for (int i = 0; i < dimensions; i ++) { |
| buf.append("[]"); |
| } |
| return new Type(buf.toString(), newSimpleType(type)); |
| } |
| |
| public static Type newCollectionType(String collectionType, Type elementType) { |
| if (collectionType == null) throw new NullPointerException("collectionType"); |
| if (elementType == null) throw new NullPointerException("elementType"); |
| return new Type(collectionType, elementType); |
| } |
| |
| private Type(String name, Type nestedType) { |
| this.name = name; |
| this.nestedType = nestedType; |
| primitive = (nestedType == null) && primitives.contains(name); |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public Type getNestedType() { |
| return nestedType; |
| } |
| |
| public boolean isCollection() { |
| return nestedType != null; |
| } |
| |
| public boolean isPrimitive() { |
| return primitive; |
| } |
| |
| public int hashCode() { |
| return super.hashCode(); |
| } |
| |
| public boolean equals(Object obj) { |
| return super.equals(obj); |
| } |
| |
| private static final Set primitives; |
| |
| static { |
| Set set = new HashSet(); |
| set.add("boolean"); |
| set.add("byte"); |
| set.add("char"); |
| set.add("short"); |
| set.add("int"); |
| set.add("long"); |
| set.add("float"); |
| set.add("double"); |
| primitives = Collections.unmodifiableSet(set); |
| } |
| } |