| /* |
| * 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.geode.codeAnalysis.decode; |
| |
| import java.io.DataInputStream; |
| import java.io.IOException; |
| |
| import org.apache.geode.codeAnalysis.decode.cp.CpUtf8; |
| |
| |
| public class CompiledField implements Comparable { |
| int access_flags; |
| int name_index; |
| int descriptor_index; |
| int attributes_count; |
| // only the ConstantValue attribute is defined for fields |
| CompiledAttribute attributes[]; |
| String name; |
| String descriptor; |
| String accessString; |
| String signature; |
| CompiledClass myclass; |
| |
| CompiledField(DataInputStream source, CompiledClass myclass) throws IOException { |
| int idx; |
| |
| this.myclass = myclass; // may not be fully initialized at this point |
| access_flags = source.readUnsignedShort(); |
| name_index = source.readUnsignedShort(); |
| descriptor_index = source.readUnsignedShort(); |
| attributes_count = source.readUnsignedShort(); |
| attributes = new CompiledAttribute[attributes_count]; |
| for (idx = 0; idx < attributes_count; idx++) { |
| attributes[idx] = new CompiledAttribute(source); |
| } |
| } |
| |
| /** |
| * return a string describing the access modifiers for this class |
| */ |
| public String accessString() { |
| StringBuffer result; |
| |
| if (accessString != null) |
| return accessString; |
| result = new StringBuffer(); |
| if ((access_flags & 0x0001) != 0) |
| result.append("public "); |
| if ((access_flags & 0x0002) != 0) |
| result.append("private "); |
| if ((access_flags & 0x0004) != 0) |
| result.append("protected "); |
| if ((access_flags & 0x0008) != 0) |
| result.append("static "); |
| if ((access_flags & 0x0010) != 0) |
| result.append("final "); |
| if ((access_flags & 0x0040) != 0) |
| result.append("volatile "); |
| if ((access_flags & 0x0080) != 0) |
| result.append("transient "); |
| |
| accessString = result.toString(); |
| return accessString; |
| } |
| |
| public boolean isStatic() { |
| return (access_flags & 0x8) != 0; |
| } |
| |
| public boolean isTransient() { |
| return (access_flags & 0x80) != 0; |
| } |
| |
| /** |
| * the descriptor is just the type string for the field |
| */ |
| public String descriptor() { |
| if (descriptor == null) { |
| descriptor = ((CpUtf8) myclass.constant_pool[descriptor_index]).decodeClassName(0); |
| } |
| return descriptor; |
| } |
| |
| public String name() { |
| if (name == null) { |
| name = ((CpUtf8) myclass.constant_pool[name_index]).stringValue(); |
| } |
| return name; |
| } |
| |
| public String signature() { |
| if (signature == null) |
| signature = accessString() + descriptor() + " " + name() + ";"; |
| return signature; |
| } |
| |
| @Override |
| public int compareTo(Object other) { |
| if (this == other) { |
| return 0; |
| } |
| CompiledField otherField = (CompiledField) (other); |
| return name().compareTo(otherField.name); |
| } |
| } |