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: import java.util.ArrayList;
044: import java.util.List;
045:
046: /**
047: *
048: * @author Tomas Hurka
049: */
050: class PrimitiveArrayDump extends ArrayDump implements
051: PrimitiveArrayInstance {
052: //~ Static fields/initializers -----------------------------------------------------------------------------------------------
053:
054: private static final int charSize = 2;
055:
056: //~ Constructors -------------------------------------------------------------------------------------------------------------
057:
058: PrimitiveArrayDump(ClassDump cls, long offset) {
059: super (cls, offset);
060: }
061:
062: //~ Methods ------------------------------------------------------------------------------------------------------------------
063:
064: public int getSize() {
065: int elementSize = dumpClass.getHprof().getValueSize(getType());
066:
067: return dumpClass.classDumpSegment.getMinimumInstanceSize()
068: + HPROF_ARRAY_OVERHEAD + (elementSize * getLength());
069: }
070:
071: public List /*<String>*/getValues() {
072: HprofByteBuffer dumpBuffer = dumpClass.getHprofBuffer();
073: HprofHeap heap = dumpClass.getHprof();
074: byte type = getType();
075: long offset = getArrayStartOffset();
076:
077: return new PrimitiveArrayLazyList(dumpBuffer, getLength(),
078: offset, heap.getValueSize(type), type);
079: }
080:
081: char[] getChars(int start, int length) {
082: assert getType() == HprofHeap.CHAR;
083:
084: char[] chars = new char[length];
085: long offset = getArrayStartOffset() + (start * charSize);
086: HprofByteBuffer dumpBuffer = dumpClass.getHprofBuffer();
087:
088: for (int i = 0; i < length; i++) {
089: chars[i] = dumpBuffer.getChar(offset + (i * charSize));
090: }
091:
092: return chars;
093: }
094:
095: private long getArrayStartOffset() {
096: int idSize = dumpClass.getHprofBuffer().getIDSize();
097:
098: return fileOffset + 1 + idSize + 4 + 4 + 1;
099: }
100:
101: private byte getType() {
102: HprofByteBuffer dumpBuffer = dumpClass.getHprofBuffer();
103: int idSize = dumpBuffer.getIDSize();
104:
105: return dumpBuffer.get(fileOffset + 1 + idSize + 4 + 4);
106: }
107: }
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