001: /*
002: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003: *
004: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005: *
006: * The contents of this file are subject to the terms of either the GNU
007: * General Public License Version 2 only ("GPL") or the Common
008: * Development and Distribution License("CDDL") (collectively, the
009: * "License"). You may not use this file except in compliance with the
010: * License. You can obtain a copy of the License at
011: * http://www.netbeans.org/cddl-gplv2.html
012: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013: * specific language governing permissions and limitations under the
014: * License. When distributing the software, include this License Header
015: * Notice in each file and include the License file at
016: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
017: * particular file as subject to the "Classpath" exception as provided
018: * by Sun in the GPL Version 2 section of the License file that
019: * accompanied this code. If applicable, add the following below the
020: * License Header, with the fields enclosed by brackets [] replaced by
021: * your own identifying information:
022: * "Portions Copyrighted [year] [name of copyright owner]"
023: *
024: * Contributor(s):
025: * The Original Software is NetBeans. The Initial Developer of the Original
026: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
027: * Microsystems, Inc. All Rights Reserved.
028: *
029: * If you wish your version of this file to be governed by only the CDDL
030: * or only the GPL Version 2, indicate your decision by adding
031: * "[Contributor] elects to include this software in this distribution
032: * under the [CDDL or GPL Version 2] license." If you do not indicate a
033: * single choice of license, a recipient has the option to distribute
034: * your version of this file under either the CDDL, the GPL Version 2 or
035: * to extend the choice of license to its licensees as provided above.
036: * However, if you add GPL Version 2 code and therefore, elected the GPL
037: * Version 2 license, then the option applies only if the new code is
038: * made subject to such option by the copyright holder.
039: */
040:
041: package org.netbeans.lib.profiler.heap;
042:
043: /**
044: *
045: * @author Tomas Hurka
046: */
047: class HprofInstanceValue extends HprofObject implements FieldValue {
048: //~ Instance fields ----------------------------------------------------------------------------------------------------------
049:
050: HprofField field;
051: InstanceDump instance;
052:
053: //~ Constructors -------------------------------------------------------------------------------------------------------------
054:
055: HprofInstanceValue(InstanceDump i, HprofField f, long offset) {
056: super (offset);
057: instance = i;
058: field = f;
059: }
060:
061: //~ Methods ------------------------------------------------------------------------------------------------------------------
062:
063: public Instance getDefiningInstance() {
064: return instance;
065: }
066:
067: public Field getField() {
068: return field;
069: }
070:
071: public String getValue() {
072: return getTypeValue().toString();
073: }
074:
075: Object getTypeValue() {
076: byte type = field.getVauleType();
077: HprofByteBuffer dumpBuffer = instance.dumpClass
078: .getHprofBuffer();
079:
080: return getTypeValue(dumpBuffer, fileOffset, type);
081: }
082:
083: static Object getTypeValue(final HprofByteBuffer dumpBuffer,
084: final long position, final byte type) {
085: switch (type) {
086: case HprofHeap.OBJECT:
087:
088: long obj = dumpBuffer.getID(position);
089:
090: return new Long(obj);
091: case HprofHeap.BOOLEAN:
092:
093: byte b = dumpBuffer.get(position);
094:
095: return Boolean.valueOf(b != 0);
096: case HprofHeap.CHAR:
097:
098: char ch = dumpBuffer.getChar(position);
099:
100: return Character.valueOf(ch);
101: case HprofHeap.FLOAT:
102:
103: float f = dumpBuffer.getFloat(position);
104:
105: return new Float(f);
106: case HprofHeap.DOUBLE:
107:
108: double d = dumpBuffer.getDouble(position);
109:
110: return new Double(d);
111: case HprofHeap.BYTE:
112:
113: byte bt = dumpBuffer.get(position);
114:
115: return new Byte(bt);
116: case HprofHeap.SHORT:
117:
118: short sh = dumpBuffer.getShort(position);
119:
120: return new Short(sh);
121: case HprofHeap.INT:
122:
123: int i = dumpBuffer.getInt(position);
124:
125: return new Integer(i);
126: case HprofHeap.LONG:
127:
128: long lg = dumpBuffer.getLong(position);
129:
130: return new Long(lg);
131: default:
132: return "Invalid type " + type; // NOI18N
133: }
134: }
135: }
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