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.Iterator;
044: import java.util.Properties;
045:
046: /**
047: *
048: * @author Tomas Hurka
049: */
050: class HprofProxy {
051: //~ Constructors -------------------------------------------------------------------------------------------------------------
052:
053: HprofProxy() {
054: }
055:
056: //~ Methods ------------------------------------------------------------------------------------------------------------------
057:
058: static Properties getProperties(Instance propertiesInstance) {
059: Properties props = new Properties();
060: ObjectArrayDump entriesObj = (ObjectArrayDump) propertiesInstance
061: .getValueOfField("table"); // NOI18N
062: Iterator enIt = entriesObj.getValues().iterator();
063:
064: while (enIt.hasNext()) {
065: Instance entry = (Instance) enIt.next();
066:
067: for (; entry != null; entry = (Instance) entry
068: .getValueOfField("next")) { // NOI18N
069:
070: Instance key = (Instance) entry.getValueOfField("key"); // NOI18N
071: Instance val = (Instance) entry
072: .getValueOfField("value"); // NOI18N
073:
074: if (key != null) {
075: props.setProperty(getString(key), getString(val));
076: }
077: }
078: }
079:
080: return props;
081: }
082:
083: static String getString(Instance stringInstance) {
084: if (stringInstance == null) {
085: return "*null*"; // NOI18N
086: }
087: assert stringInstance.getJavaClass().getName().equals(
088: String.class.getName());
089:
090: PrimitiveArrayDump chars = (PrimitiveArrayDump) stringInstance
091: .getValueOfField("value"); // NOI18N
092: Integer offset = (Integer) stringInstance
093: .getValueOfField("offset"); // NOI18N
094: Integer len = (Integer) stringInstance.getValueOfField("count"); // NOI18N
095: char[] charArr = ((PrimitiveArrayDump) chars).getChars(offset
096: .intValue(), len.intValue());
097:
098: return new String(charArr).intern();
099: }
100: }
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