Scala example source code file (JBootstrapInvokeDynamic.java)

This example Scala source code file (JBootstrapInvokeDynamic.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

bootstrapinvokedynamic, datainputstream, io, ioexception, ioexception, jattribute, jbootstrapinvokedynamic, jbootstrapinvokedynamic, jclass, jconstantpool, object, string, string, stringbuffer, stringbuffer, util

The Scala JBootstrapInvokeDynamic.java source code

/* FJBG -- Fast Java Bytecode Generator
 * Copyright 2002-2011 LAMP/EPFL
 * @author  Michel Schinz
 */

package ch.epfl.lamp.fjbg;

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Iterator;

/**
 * BootstrapInvokeDynamic entry, as described by JSR 292 (invoke dynamic)
 * 
 * @author Iulian Dragos
 * @version 1.0
 *
 */
public class JBootstrapInvokeDynamic extends JAttribute {
    /** Constant pool of the current classfile. */
    private JConstantPool pool;

    protected final int classIdx;

    public JBootstrapInvokeDynamic(FJBGContext context,
                                   JClass clazz,
                                   String className) {
        super(context, clazz);
        this.pool = clazz.pool;

        this.classIdx = pool.addClass(className);
    }

    public JBootstrapInvokeDynamic(FJBGContext context,
                                   JClass clazz,
                                   Object owner,
                                   String name,
                                   int size,
                                   DataInputStream stream)
        throws IOException {
        super(context, clazz, name);

        this.classIdx = stream.readShort();

        assert name.equals(getName());
    }

    public String getName() { return "BootstrapInvokeDynamic"; }

    // Follows javap output format for BootstrapInvokeDynamic attribute.
    /*@Override*/ public String toString() {
        StringBuffer buf = new StringBuffer("  BootstrapInvokeDynamic:");
        buf.append("\n   #");
        buf.append(classIdx);
        buf.append("; // class ");
        buf.append(pool.lookupClass(classIdx));
        buf.append("\n");
        return buf.toString();
    }

    protected int getSize() {
        return 2;  // Short.SIZE
    }

    protected void writeContentsTo(DataOutputStream stream) throws IOException {
        stream.writeShort(classIdx);
    }
}