How to use

org.apache.bcel.generic.GETFIELD

constructor

/**
 * Translates an object of this type to its unboxed representation.
 */ 
public void translateUnBox(ClassGenerator classGen,
        MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
il.append(new CHECKCAST(cpg.addClass(RUNTIME_NODE_CLASS)));
il.append(new GETFIELD(cpg.addFieldref(RUNTIME_NODE_CLASS,
            NODE_FIELD,
            NODE_FIELD_SIG)));
}

il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
            NAMES_INDEX,
            NAMES_INDEX_SIG)));
il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
            URIS_INDEX,
            URIS_INDEX_SIG)));
il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
            TYPES_INDEX,
            TYPES_INDEX_SIG)));
il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
            NAMESPACE_INDEX,
            NAMESPACE_INDEX_SIG)));

      ITERATOR_FIELD_SIG);
il.append(new GETFIELD(field));
local.setStart(il.append(new ASTORE(local.getIndex())));
matchGen.setIteratorIndex(local.getIndex());
      "Lorg/apache/xalan/xsltc/Translet;");
il.append(new GETFIELD(field));
il.append(new CHECKCAST(cpg.addClass(TRANSLET_CLASS)));
local.setStart(il.append(new ASTORE(local.getIndex())));
field = cpg.addFieldref(_className, "_document", DOM_INTF_SIG);
il.append(new GETFIELD(field));

il.append(new GETFIELD(
  cpg.addFieldref(variableClosure.getInnerClassName(), 
  var.getEscapedName(), varType.toSignature())));

newMethCopyInIL.append(new GETFIELD(fieldRef));
newMethCopyInIL.append(
    storeLocal(newLocalVarIndex, varType));
oldMethCopyOutIL.append(new GETFIELD(fieldRef));
InstructionHandle copyOutStore =
  oldMethCopyOutIL.append(

  il.append(new GETFIELD(
  cpg.addFieldref(variableClosure.getInnerClassName(), 
    name, signature)));
il.append(new CHECKCAST(cpg.addClass(className)));
il.append(new GETFIELD(cpg.addFieldref(className,name,signature)));

  il.append(new GETFIELD(
  cpg.addFieldref(variableClosure.getInnerClassName(), 
    name, signature)));
il.append(new CHECKCAST(cpg.addClass(className)));
il.append(new GETFIELD(cpg.addFieldref(className,name,signature)));

  replacement = new PUTFIELD(index);
} else {
  replacement = new GETFIELD(index);

il.append(new GETFIELD(
cpg.addFieldref(className,
  var.getEscapedName(), varType.toSignature())));

il.append(classGen.loadTranslet());
il.append(DUP);
il.append(new GETFIELD(domField));
il.append(new INVOKESTATIC(docIdx));

il.append(new GETFIELD(fieldIndexes[_level]));
final BranchHandle ifBlock1 = il.append(new IFNONNULL(null));
il.append(new GETFIELD(fieldIndexes[_level]));

il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
        NAMES_INDEX,
        NAMES_INDEX_SIG))); 
il.append(ALOAD_0);
il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
        URIS_INDEX,
        URIS_INDEX_SIG))); 
il.append(ALOAD_0);
il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
        TYPES_INDEX,
        TYPES_INDEX_SIG))); 
il.append(ALOAD_0);
il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
        NAMESPACE_INDEX,
        NAMESPACE_INDEX_SIG)));

il.append(filterGen.loadTranslet());
il.append(new CHECKCAST(cpg.addClass(className)));
il.append(new GETFIELD(cpg.addFieldref(className,
            DOM_FIELD, DOM_INTF_SIG)));
local.setStart(il.append(new ASTORE(local.getIndex())));

il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
                    "stringValueHandler",
                    STRING_VALUE_HANDLER_SIG)));

  il.append(new GETFIELD(domField));  // The DOM reference
  il.append(transf.loadIterator());
il.append(new GETFIELD(domField));

il.append(new GETFIELD(cpg.addFieldref(className, "_dom",
          DOM_INTF_SIG)));

il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
            "stringValueHandler",
            STRING_VALUE_HANDLER_SIG)));

il.append(new GETFIELD(cpg.addFieldref(TRANSLET_CLASS,
          "stringValueHandler",
          STRING_VALUE_HANDLER_SIG)));

il.append(new GETFIELD(iteratorIndex));
il.append(DUP);
iter.setStart(il.append(new ASTORE(iter.getIndex())));

/**
 * Translates an object of this type to its unboxed representation.
 */ 
public void translateUnBox(ClassGenerator classGen,
        MethodGenerator methodGen) {
final ConstantPoolGen cpg = classGen.getConstantPool();
final InstructionList il = methodGen.getInstructionList();
il.append(new CHECKCAST(cpg.addClass(RUNTIME_NODE_CLASS)));
il.append(new GETFIELD(cpg.addFieldref(RUNTIME_NODE_CLASS,
            NODE_FIELD,
            NODE_FIELD_SIG)));
}