/******************************************************************************* * Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved. * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0 * which accompanies this distribution. * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html * and the Eclipse Distribution License is available at * http://www.eclipse.org/org/documents/edl-v10.php. * * Contributors: * Oracle - initial API and implementation from Oracle TopLink ******************************************************************************/ package org.eclipse.persistence.tools.workbench.utility.classfile; import java.io.IOException; import java.io.PrintWriter; import org.eclipse.persistence.tools.workbench.utility.classfile.tools.ClassFileDataInputStream; import org.eclipse.persistence.tools.workbench.utility.io.IndentingPrintWriter; /** * This class models a class file long constant: * u1 tag; * u4 high_bytes; * u4 low_bytes; * * See "The Java Virtual Machine Specification" Chapter 4. */ public class LongConstant extends Constant { private long value; /** * Construct a class file constant from the specified stream * of byte codes. */ LongConstant(ConstantPool pool, byte tag, ClassFileDataInputStream stream) throws IOException { super(pool, tag, stream); } void initialize(ClassFileDataInputStream stream) throws IOException { this.value = stream.readLong(); } public void displayStringOn(IndentingPrintWriter writer) { super.displayStringOn(writer); writer.print(" value: "); writer.println(this.value); } public String description() { return "long"; } public void printFieldInitializationClauseOn(PrintWriter writer) { writer.print(this.value); writer.print('L'); } boolean consumesTwoPoolEntries() { return true; } public long longValue() { return this.value; } public Object value() { return new Long(this.value); } public void accept(Visitor visitor) { visitor.visit(this); } }