src/jdk.javadoc/share/classes/com/sun/javadoc/Type.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
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 * accompanied this code).
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package com.sun.javadoc;

/**
 * Represents a type.  A type can be a class or interface, an
 * invocation (like {@code List<String>}) of a generic class or interface,
 * a type variable, a wildcard type ("{@code ?}"),
 * or a primitive data type (like {@code char}).
 *
 * @since 1.2
 * @author Kaiyang Liu (original)
 * @author Robert Field (rewrite)
 * @author Scott Seligman (generics)
 *
 * @deprecated
 *   The declarations in this package have been superseded by those
 *   in the package {@code jdk.javadoc.doclet}.
 *   For more information, see the <i>Migration Guide</i> in the documentation for that package.
 */
@Deprecated(since="9", forRemoval=true)
@SuppressWarnings("removal")
public interface Type {

    /**
     * Return unqualified name of type excluding any dimension information.
     * <p>
     * For example, a two dimensional array of String returns
     * "{@code String}".
     * @return unqualified name of type excluding any dimension information.
     */
    String typeName();

    /**
     * Return qualified name of type excluding any dimension information.
     *<p>
     * For example, a two dimensional array of String
     * returns "{@code java.lang.String}".
     * @return qualified name of this type excluding any dimension information.
     */
    String qualifiedTypeName();

    /**
     * Return the simple name of this type excluding any dimension information.
     * This is the unqualified name of the type, except that for nested types
     * only the identifier of the innermost type is included.
     * <p>
     * For example, the class {@code Outer.Inner} returns
     * "{@code Inner}".
     *
     * @since 1.5
     * @return the simple name of this type excluding any dimension information.
     */
    String simpleTypeName();

    /**
     * Return the type's dimension information, as a string.
     * <p>
     * For example, a two dimensional array of String returns
     * "{@code [][]}".
     * @return the type's dimension information as a string.
     */
    String dimension();

    /**
     * Return a string representation of the type.
     * This includes any dimension information and type arguments.
     * <p>
     * For example, a two dimensional array of String may return
     * "{@code java.lang.String[][]}",
     * and the parameterized type {@code List<Integer>} may return
     * "{@code java.util.List<java.lang.Integer>}".
     *
     * @return a string representation of the type.
     */
    String toString();

    /**
     * Return true if this type represents a primitive type.
     *
     * @return true if this type represents a primitive type.
     * @since 1.5
     */
    boolean isPrimitive();

    /**
     * Return this type as a {@code ClassDoc} if it represents a class
     * or interface.  Array dimensions are ignored.
     * If this type is a {@code ParameterizedType},
     * {@code TypeVariable}, or {@code WildcardType}, return
     * the {@code ClassDoc} of the type's erasure.  If this is an
     * {@code AnnotationTypeDoc}, return this as a {@code ClassDoc}
     * (but see {@link #asAnnotationTypeDoc()}).
     * If this is a primitive type, return null.
     *
     * @return the {@code ClassDoc} of this type,
     *         or null if it is a primitive type.
     */
    ClassDoc asClassDoc();

    /**
     * Return this type as a {@code ParameterizedType} if it represents
     * an invocation of a generic class or interface.  Array dimensions
     * are ignored.
     *
     * @return a {@code ParameterizedType} if the type is an
     *         invocation of a generic type, or null if it is not.
     * @since 1.5
     */
    ParameterizedType asParameterizedType();

    /**
     * Return this type as a {@code TypeVariable} if it represents
     * a type variable.  Array dimensions are ignored.
     *
     * @return a {@code TypeVariable} if the type is a type variable,
     *         or null if it is not.
     * @since 1.5
     */
    TypeVariable asTypeVariable();

    /**
     * Return this type as a {@code WildcardType} if it represents
     * a wildcard type.
     *
     * @return a {@code WildcardType} if the type is a wildcard type,
     *         or null if it is not.
     * @since 1.5
     */
    WildcardType asWildcardType();

    /**
     * Returns this type as a {@code AnnotatedType} if it represents
     * an annotated type.
     *
     * @return a {@code AnnotatedType} if the type if an annotated type,
     *         or null if it is not
     * @since 1.8
     */
    AnnotatedType asAnnotatedType();

    /**
     * Return this type as an {@code AnnotationTypeDoc} if it represents
     * an annotation type.  Array dimensions are ignored.
     *
     * @return an {@code AnnotationTypeDoc} if the type is an annotation
     *         type, or null if it is not.
     * @since 1.5
     */
    AnnotationTypeDoc asAnnotationTypeDoc();

    /**
     * If this type is an array type, return the element type of the
     * array. Otherwise, return null.
     *
     * @return a {@code Type} representing the element type or null.
     * @since 1.8
     */
    Type getElementType();
}