| /* |
| * 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.apache.tools.ant.taskdefs.optional.depend.constantpool; |
| |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| |
| /** |
| * A FieldRef CP Info |
| * |
| */ |
| public class FieldRefCPInfo extends ConstantPoolEntry { |
| /** Name of the field's class */ |
| private String fieldClassName; |
| /** name of the field in that class */ |
| private String fieldName; |
| /** The type of the field */ |
| private String fieldType; |
| /** Index into the constant pool for the class */ |
| private int classIndex; |
| /** Index into the constant pool for the name and type entry */ |
| private int nameAndTypeIndex; |
| |
| /** Constructor. */ |
| public FieldRefCPInfo() { |
| super(CONSTANT_FIELDREF, 1); |
| } |
| |
| /** |
| * read a constant pool entry from a class stream. |
| * |
| * @param cpStream the DataInputStream which contains the constant pool |
| * entry to be read. |
| * @exception IOException if there is a problem reading the entry from |
| * the stream. |
| */ |
| public void read(DataInputStream cpStream) throws IOException { |
| classIndex = cpStream.readUnsignedShort(); |
| nameAndTypeIndex = cpStream.readUnsignedShort(); |
| } |
| |
| /** |
| * Resolve this constant pool entry with respect to its dependents in |
| * the constant pool. |
| * |
| * @param constantPool the constant pool of which this entry is a member |
| * and against which this entry is to be resolved. |
| */ |
| public void resolve(ConstantPool constantPool) { |
| ClassCPInfo fieldClass |
| = (ClassCPInfo) constantPool.getEntry(classIndex); |
| |
| fieldClass.resolve(constantPool); |
| |
| fieldClassName = fieldClass.getClassName(); |
| |
| NameAndTypeCPInfo nt |
| = (NameAndTypeCPInfo) constantPool.getEntry(nameAndTypeIndex); |
| |
| nt.resolve(constantPool); |
| |
| fieldName = nt.getName(); |
| fieldType = nt.getType(); |
| |
| super.resolve(constantPool); |
| } |
| |
| /** |
| * Print a readable version of the constant pool entry. |
| * |
| * @return the string representation of this constant pool entry. |
| */ |
| public String toString() { |
| String value; |
| |
| if (isResolved()) { |
| value = "Field : Class = " + fieldClassName + ", name = " |
| + fieldName + ", type = " + fieldType; |
| } else { |
| value = "Field : Class index = " + classIndex |
| + ", name and type index = " + nameAndTypeIndex; |
| } |
| |
| return value; |
| } |
| |
| /** |
| * Gets the name of the class defining the field |
| * |
| * @return the name of the class defining the field |
| */ |
| public String getFieldClassName() { |
| return fieldClassName; |
| } |
| |
| /** |
| * Get the name of the field |
| * |
| * @return the field's name |
| */ |
| public String getFieldName() { |
| return fieldName; |
| } |
| |
| /** |
| * Get the type of the field |
| * |
| * @return the field's type in string format |
| */ |
| public String getFieldType() { |
| return fieldType; |
| } |
| |
| } |
| |