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package com.sun.source.util;

import com.sun.source.doctree.*;

A simple visitor for tree nodes.
Type parameters:
  • <R> – the return type of this visitor's methods. Use Void for visitors that do not need to return results.
  • <P> – the type of the additional parameter to this visitor's methods. Use Void for visitors that do not need an additional parameter.
Since:1.8
/** * A simple visitor for tree nodes. * * @param <R> the return type of this visitor's methods. Use {@link * Void} for visitors that do not need to return results. * @param <P> the type of the additional parameter to this visitor's * methods. Use {@code Void} for visitors that do not need an * additional parameter. * * @since 1.8 */
public class SimpleDocTreeVisitor<R,P> implements DocTreeVisitor<R, P> {
The default value, returned by the default action.
/** * The default value, returned by the {@link #defaultAction default action}. */
protected final R DEFAULT_VALUE;
Creates a visitor, with a DEFAULT_VALUE of null.
/** * Creates a visitor, with a DEFAULT_VALUE of {@code null}. */
protected SimpleDocTreeVisitor() { DEFAULT_VALUE = null; }
Creates a visitor, with a specified DEFAULT_VALUE.
Params:
  • defaultValue – the default value to be returned by the default action.
/** * Creates a visitor, with a specified DEFAULT_VALUE. * @param defaultValue the default value to be returned by the default action. */
protected SimpleDocTreeVisitor(R defaultValue) { DEFAULT_VALUE = defaultValue; }
The default action, used by all visit methods that are not overridden.
Params:
  • node – the node being visited
  • p – the parameter value passed to the visit method
Returns:the result value to be returned from the visit method
/** * The default action, used by all visit methods that are not overridden. * @param node the node being visited * @param p the parameter value passed to the visit method * @return the result value to be returned from the visit method */
protected R defaultAction(DocTree node, P p) { return DEFAULT_VALUE; }
Invokes the appropriate visit method specific to the type of the node.
Params:
  • node – the node on which to dispatch
  • p – a parameter to be passed to the appropriate visit method
Returns:the value returns from the appropriate visit method
/** * Invokes the appropriate visit method specific to the type of the node. * @param node the node on which to dispatch * @param p a parameter to be passed to the appropriate visit method * @return the value returns from the appropriate visit method */
public final R visit(DocTree node, P p) { return (node == null) ? null : node.accept(this, p); }
Invokes the appropriate visit method on each of a sequence of nodes.
Params:
  • nodes – the nodes on which to dispatch
  • p – a parameter value to be passed to each appropriate visit method
Returns:the value return from the last of the visit methods, or null if none were called.
/** * Invokes the appropriate visit method on each of a sequence of nodes. * @param nodes the nodes on which to dispatch * @param p a parameter value to be passed to each appropriate visit method * @return the value return from the last of the visit methods, or null * if none were called. */
public final R visit(Iterable<? extends DocTree> nodes, P p) { R r = null; if (nodes != null) { for (DocTree node : nodes) r = visit(node, p); } return r; }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitAttribute(AttributeTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitAuthor(AuthorTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitComment(CommentTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitDeprecated(DeprecatedTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitDocComment(DocCommentTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitDocRoot(DocRootTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitEndElement(EndElementTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitEntity(EntityTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitErroneous(ErroneousTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns:the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitHidden(HiddenTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitIdentifier(IdentifierTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitIndex(IndexTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitInheritDoc(InheritDocTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitLink(LinkTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitLiteral(LiteralTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitParam(ParamTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitProvides(ProvidesTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitReference(ReferenceTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitReturn(ReturnTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitSee(SeeTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitSerial(SerialTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitSerialData(SerialDataTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitSerialField(SerialFieldTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitSince(SinceTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitStartElement(StartElementTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitText(TextTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitThrows(ThrowsTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitUnknownBlockTag(UnknownBlockTagTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitUnknownInlineTag(UnknownInlineTagTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitUses(UsesTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitValue(ValueTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitVersion(VersionTree node, P p) { return defaultAction(node, p); }
{@inheritDoc} This implementation calls defaultAction.
Params:
  • node – {@inheritDoc}
  • p – {@inheritDoc}
Returns: the result of defaultAction
/** * {@inheritDoc} This implementation calls {@code defaultAction}. * * @param node {@inheritDoc} * @param p {@inheritDoc} * @return the result of {@code defaultAction} */
@Override public R visitOther(DocTree node, P p) { return defaultAction(node, p); } }