diff -r 001389026dbf -r d382dacfd73f rt/javap/src/main/java/org/apidesign/javap/FieldData.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/rt/javap/src/main/java/org/apidesign/javap/FieldData.java Tue Feb 26 16:54:16 2013 +0100 @@ -0,0 +1,168 @@ +/* + * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + + +package org.apidesign.javap; + +import java.io.*; + +/** + * Strores field data informastion. + * + * @author Sucheta Dambalkar (Adopted code from jdis) + */ + +public class FieldData implements RuntimeConstants { + + ClassData cls; + int access; + int name_index; + int descriptor_index; + int attributes_count; + int value_cpx=0; + boolean isSynthetic=false; + boolean isDeprecated=false; + Vector attrs; + + public FieldData(ClassData cls){ + this.cls=cls; + } + + /** + * Read and store field info. + */ + public void read(DataInputStream in) throws IOException { + access = in.readUnsignedShort(); + name_index = in.readUnsignedShort(); + descriptor_index = in.readUnsignedShort(); + // Read the attributes + int attributes_count = in.readUnsignedShort(); + attrs=new Vector(attributes_count); + for (int i = 0; i < attributes_count; i++) { + int attr_name_index=in.readUnsignedShort(); + if (cls.getTag(attr_name_index)!=CONSTANT_UTF8) continue; + String attr_name=cls.getString(attr_name_index); + if (attr_name.equals("ConstantValue")){ + if (in.readInt()!=2) + throw new ClassFormatError("invalid ConstantValue attr length"); + value_cpx=in.readUnsignedShort(); + AttrData attr=new AttrData(cls); + attr.read(attr_name_index); + attrs.addElement(attr); + } else if (attr_name.equals("Synthetic")){ + if (in.readInt()!=0) + throw new ClassFormatError("invalid Synthetic attr length"); + isSynthetic=true; + AttrData attr=new AttrData(cls); + attr.read(attr_name_index); + attrs.addElement(attr); + } else if (attr_name.equals("Deprecated")){ + if (in.readInt()!=0) + throw new ClassFormatError("invalid Synthetic attr length"); + isDeprecated = true; + AttrData attr=new AttrData(cls); + attr.read(attr_name_index); + attrs.addElement(attr); + } else { + AttrData attr=new AttrData(cls); + attr.read(attr_name_index, in); + attrs.addElement(attr); + } + } + + } // end read + + public boolean isStatic() { + return (access & ACC_STATIC) != 0; + } + + /** + * Returns access of a field. + */ + public String[] getAccess(){ + Vector v = new Vector(); + if ((access & ACC_PUBLIC) !=0) v.addElement("public"); + if ((access & ACC_PRIVATE) !=0) v.addElement("private"); + if ((access & ACC_PROTECTED) !=0) v.addElement("protected"); + if ((access & ACC_STATIC) !=0) v.addElement("static"); + if ((access & ACC_FINAL) !=0) v.addElement("final"); + if ((access & ACC_VOLATILE) !=0) v.addElement("volatile"); + if ((access & ACC_TRANSIENT) !=0) v.addElement("transient"); + String[] accflags = new String[v.size()]; + v.copyInto(accflags); + return accflags; + } + + /** + * Returns name of a field. + */ + public String getName(){ + return cls.getStringValue(name_index); + } + + /** + * Returns internal signature of a field + */ + public String getInternalSig(){ + return cls.getStringValue(descriptor_index); + } + + /** + * Returns true if field is synthetic. + */ + public boolean isSynthetic(){ + return isSynthetic; + } + + /** + * Returns true if field is deprecated. + */ + public boolean isDeprecated(){ + return isDeprecated; + } + + /** + * Returns index of constant value in cpool. + */ + public int getConstantValueIndex(){ + return (value_cpx); + } + + /** + * Returns list of attributes of field. + */ + public Vector getAttributes(){ + return attrs; + } + + public byte[] findAnnotationData(boolean classRetention) { + String n = classRetention ? + "RuntimeInvisibleAnnotations" : // NOI18N + "RuntimeVisibleAnnotations"; // NOI18N + AttrData[] arr = new AttrData[attrs.size()]; + attrs.copyInto(arr); + return ClassData.findAttr(n, arr); + } +}