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/*******************************************************************************
* Copyright (c) 2000, 2009 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.core.util;
/**
* Description of an annotation component value as described in the JVM specifications
* (added in J2SE 1.5).
*
* This interface may be implemented by clients.
*
* @since 3.1
*/
public interface IAnnotationComponentValue {
/**
* Tag value for a constant of type <code>byte</code>
* @since 3.1
*/
int BYTE_TAG = 'B';
/**
* Tag value for a constant of type <code>char</code>
* @since 3.1
*/
int CHAR_TAG = 'C';
/**
* Tag value for a constant of type <code>double</code>
* @since 3.1
*/
int DOUBLE_TAG = 'D';
/**
* Tag value for a constant of type <code>float</code>
* @since 3.1
*/
int FLOAT_TAG = 'F';
/**
* Tag value for a constant of type <code>int</code>
* @since 3.1
*/
int INTEGER_TAG = 'I';
/**
* Tag value for a constant of type <code>long</code>
* @since 3.1
*/
int LONG_TAG = 'J';
/**
* Tag value for a constant of type <code>short</code>
* @since 3.1
*/
int SHORT_TAG = 'S';
/**
* Tag value for a constant of type <code>boolean</code>
* @since 3.1
*/
int BOOLEAN_TAG = 'Z';
/**
* Tag value for a constant of type <code>java.lang.String</code>
* @since 3.1
*/
int STRING_TAG = 's';
/**
* Tag value for a value that represents an enum constant
* @since 3.1
*/
int ENUM_TAG = 'e';
/**
* Tag value for a value that represents a class
* @since 3.1
*/
int CLASS_TAG = 'c';
/**
* Tag value for a value that represents an annotation
* @since 3.1
*/
int ANNOTATION_TAG = '@';
/**
* Tag value for a value that represents an array
* @since 3.1
*/
int ARRAY_TAG = '[';
/**
* Returns the annotation component values as described in the JVM specifications
* if the tag item is '['.
* Returns null otherwise.
*
* @return the annotation component values
*/
IAnnotationComponentValue[] getAnnotationComponentValues();
/**
* Returns the annotation value as described in the JVM specifications
* if the tag item is '@'.
* Returns null otherwise.
*
* @return the attribute value
* @since 3.1
*/
IAnnotation getAnnotationValue();
/**
* Returns the class info as described in the JVM specifications
* if the tag item is 'c'.
* Returns null otherwise.
*
* @return the class info
*/
IConstantPoolEntry getClassInfo();
/**
* Returns the class info index as described in the JVM specifications
* if the tag item is 'c'.
* Returns null otherwise.
*
* @return the class info index
*/
int getClassInfoIndex();
/**
* Returns the constant value as described in the JVM specifications
* if the tag item is one of 'B', 'C', 'D', 'F', 'I', 'J', 'S', 'Z', or 's'.
* Returns null otherwise.
*
* @return the constant value
*/
IConstantPoolEntry getConstantValue();
/**
* Returns the constant value index as described in the JVM specifications
* if the tag item is one of 'B', 'C', 'D', 'F', 'I', 'J', 'S', 'Z', or 's'.
* The value is unspecified otherwise.
*
* @return the constant value index
*/
int getConstantValueIndex();
/**
* Returns the simple name of the enum constant represented
* by this annotation component value as described in the JVM specifications
* if the tag item is 'e'.
* Returns null otherwise.
*
* @return the enum constant
* @since 3.1
*/
char[] getEnumConstantName();
/**
* Returns the utf8 constant index as described in the JVM specifications
* if the tag item is 'e'.
* The value is unspecified otherwise.
*
* @return the enum constant index
* @since 3.1
*/
int getEnumConstantNameIndex();
/**
* Returns the binary name of the type of the enum constant represented
* by this annotation component value as described in the JVM specifications
* if the tag item is 'e'.
* Returns null otherwise.
*
* @return the enum constant
* @since 3.1
*/
char[] getEnumConstantTypeName();
/**
* Returns the utf8 constant index as described in the JVM specifications
* if the tag item is 'e'.
* The value is unspecified otherwise.
*
* @return the enum constant index
* @since 3.1
*/
int getEnumConstantTypeNameIndex();
/**
* Returns the tag as described in the JVM specifications.
*
* @return the tag
*/
int getTag();
/**
* Returns the number of values as described in the JVM specifications
* if the tag item is '['.
* The value is unspecified otherwise.
*
* @return the number of values
*/
int getValuesNumber();
}
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