Mercurial > hg > blitz_stable
view src/com/go/trove/classfile/ConstantNameAndTypeInfo.java @ 35:6f68e94c1fb8 default tip
Add CondensedStats monitoring utility, equivalent to vmstat
author | Dominic Cleal <dominic-cleal@cdo2.com> |
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date | Thu, 05 Aug 2010 11:07:25 +0100 |
parents | 3dc0c5604566 |
children |
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/* ==================================================================== * Trove - Copyright (c) 1997-2000 Walt Disney Internet Group * ==================================================================== * The Tea Software License, Version 1.1 * * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, * if any, must include the following acknowledgment: * "This product includes software developed by the * Walt Disney Internet Group (http://opensource.go.com/)." * Alternately, this acknowledgment may appear in the software itself, * if and wherever such third-party acknowledgments normally appear. * * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must * not be used to endorse or promote products derived from this * software without prior written permission. For written * permission, please contact opensource@dig.com. * * 5. Products derived from this software may not be called "Tea", * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet", * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior * written permission of the Walt Disney Internet Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * For more information about Tea, please see http://opensource.go.com/. */ package com.go.trove.classfile; import java.io.*; /****************************************************************************** * This class corresponds to the CONSTANT_NameAndType_info structure as defined * in section 4.4.6 of <i>The Java Virtual Machine Specification</i>. * * @author Brian S O'Neill * @version * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 9/07/00 <!-- $--> */ public class ConstantNameAndTypeInfo extends ConstantInfo { private String mName; private Descriptor mType; private ConstantUTFInfo mNameConstant; private ConstantUTFInfo mDescriptorConstant; /** * Will return either a new ConstantNameAndTypeInfo object or one * already in the constant pool. * If it is a new ConstantNameAndTypeInfo, it will be inserted * into the pool. */ static ConstantNameAndTypeInfo make(ConstantPool cp, String name, Descriptor type) { ConstantInfo ci = new ConstantNameAndTypeInfo(cp, name, type); return (ConstantNameAndTypeInfo)cp.addConstant(ci); } ConstantNameAndTypeInfo(ConstantUTFInfo nameConstant, ConstantUTFInfo descConstant) { super(TAG_NAME_AND_TYPE); mNameConstant = nameConstant; mDescriptorConstant = descConstant; mName = nameConstant.getValue(); mType = Descriptor.parse(descConstant.getValue()); } private ConstantNameAndTypeInfo(ConstantPool cp, String name, Descriptor type) { super(TAG_NAME_AND_TYPE); mName = name; mType = type; mNameConstant = ConstantUTFInfo.make(cp, name); mDescriptorConstant = ConstantUTFInfo.make(cp, mType.toString()); } public String getName() { return mName; } public Descriptor getType() { return mType; } public int hashCode() { return mName.hashCode(); } public boolean equals(Object obj) { if (obj instanceof ConstantNameAndTypeInfo) { ConstantNameAndTypeInfo other = (ConstantNameAndTypeInfo)obj; return mName.equals(other.mName) && mType.toString().equals(other.mType.toString()); } return false; } public void writeTo(DataOutput dout) throws IOException { super.writeTo(dout); dout.writeShort(mNameConstant.getIndex()); dout.writeShort(mDescriptorConstant.getIndex()); } public String toString() { return "CONSTANT_NameAndType_info: " + getName() + ", " + getType(); } }