Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaField.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
line wrap: on
line source
/* * Copyright 2004-2007 Sun Microsystems, Inc. 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. * * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ package sun.jvm.hotspot.utilities.soql; import java.util.*; import sun.jvm.hotspot.oops.*; import sun.jvm.hotspot.runtime.*; public class JSJavaField extends DefaultScriptObject { private static final int FIELD_NAME = 0; private static final int FIELD_SIGNATURE = 1; private static final int FIELD_HOLDER = 2; private static final int FIELD_IS_PRIVATE = 3; private static final int FIELD_IS_PUBLIC = 4; private static final int FIELD_IS_PROTECTED = 5; private static final int FIELD_IS_PACKAGE_PRIVATE = 6; private static final int FIELD_IS_STATIC = 7; private static final int FIELD_IS_FINAL = 8; private static final int FIELD_IS_VOLATILE = 9; private static final int FIELD_IS_TRANSIENT = 10; private static final int FIELD_IS_SYNTHETIC = 11; private static final int FIELD_UNDEFINED = -1; public JSJavaField(Field f, JSJavaFactory fac) { this.field = f; this.factory = fac; } public Object get(String name) { int fieldID = getFieldID(name); switch (fieldID) { case FIELD_NAME: return field.getID().getName(); case FIELD_SIGNATURE: return field.getSignature().asString(); case FIELD_HOLDER: return getFieldHolder(); case FIELD_IS_PRIVATE: return Boolean.valueOf(field.isPrivate()); case FIELD_IS_PUBLIC: return Boolean.valueOf(field.isPublic()); case FIELD_IS_PROTECTED: return Boolean.valueOf(field.isProtected()); case FIELD_IS_PACKAGE_PRIVATE: return Boolean.valueOf(field.isPackagePrivate()); case FIELD_IS_STATIC: return Boolean.valueOf(field.isStatic()); case FIELD_IS_FINAL: return Boolean.valueOf(field.isFinal()); case FIELD_IS_VOLATILE: return Boolean.valueOf(field.isVolatile()); case FIELD_IS_TRANSIENT: return Boolean.valueOf(field.isTransient()); case FIELD_IS_SYNTHETIC: return Boolean.valueOf(field.isSynthetic()); case FIELD_UNDEFINED: default: return super.get(name); } } public Object[] getIds() { Object[] fieldNames = fields.keySet().toArray(); Object[] superFields = super.getIds(); Object[] res = new Object[fieldNames.length + superFields.length]; System.arraycopy(fieldNames, 0, res, 0, fieldNames.length); System.arraycopy(superFields, 0, res, fieldNames.length, superFields.length); return res; } public boolean has(String name) { if (getFieldID(name) != FIELD_UNDEFINED) { return true; } else { return super.has(name); } } public void put(String name, Object value) { if (getFieldID(name) == FIELD_UNDEFINED) { super.put(name, value); } } public boolean equals(Object o) { if (o == null || !(o instanceof JSJavaField)) { return false; } JSJavaField other = (JSJavaField) o; return field.equals(other.field); } public int hashCode() { return field.hashCode(); } public String toString() { StringBuffer buf = new StringBuffer(); buf.append("Field "); buf.append(field.getFieldHolder().getName().asString().replace('/', '.')); buf.append('.'); buf.append(field.getID().getName()); return buf.toString(); } //-- Internals only below this point private JSJavaObject getFieldHolder() { return factory.newJSJavaKlass(field.getFieldHolder()).getJSJavaClass(); } private static Map fields = new HashMap(); private static void addField(String name, int fieldId) { fields.put(name, new Integer(fieldId)); } private static int getFieldID(String name) { Integer res = (Integer) fields.get(name); return (res != null)? res.intValue() : FIELD_UNDEFINED; } static { addField("name", FIELD_NAME); addField("signature", FIELD_SIGNATURE); addField("holder", FIELD_HOLDER); addField("isPrivate", FIELD_IS_PRIVATE); addField("isPublic", FIELD_IS_PUBLIC); addField("isProtected", FIELD_IS_PROTECTED); addField("isPackagePrivate", FIELD_IS_PACKAGE_PRIVATE); addField("isStatic", FIELD_IS_STATIC); addField("isFinal", FIELD_IS_FINAL); addField("isVolatile", FIELD_IS_VOLATILE); addField("isTransient", FIELD_IS_TRANSIENT); addField("isSynthetic", FIELD_IS_SYNTHETIC); } private final Field field; private final JSJavaFactory factory; }