Java Field from Class getDeclaredField(final Class javaClass, final String fieldName, final boolean shouldSetAccessible)

Description

Get a field actually declared in a class and wrap the call in doPrivileged if necessary.

License

Open Source License

Parameter

Parameter	Description
javaClass	The class to get the field from
fieldName	The name of the field
shouldSetAccessible	whether or not to call the setAccessible API

Exception

Parameter	Description

Declaration

public static Field getDeclaredField(final Class javaClass, final String fieldName,
        final boolean shouldSetAccessible) throws NoSuchFieldException 

Method Source Code

//package com.java2s;
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import java.lang.reflect.*;

public class Main {
    /**
     * Get a field actually declared in a class and wrap the call in doPrivileged if necessary.
     * The shouldSetAccessible parameter allows the the setAccessible API to be called as well.
     * This option was added to avoid making multiple doPrivileged calls within InstanceVariableAttributeAccessor.
     * @param javaClass The class to get the field from
     * @param fieldName The name of the field
     * @param shouldSetAccessible whether or not to call the setAccessible API
     * @throws java.lang.NoSuchFieldException
     */
    public static Field getDeclaredField(final Class javaClass, final String fieldName,
            final boolean shouldSetAccessible) throws NoSuchFieldException {
        Field field = javaClass.getDeclaredField(fieldName);
        if (shouldSetAccessible) {
            field.setAccessible(true);
        }
        return field;
    }
}

Related

1. findDeclaredField(Class javaClass, String fieldName)
2. getDeclaredFields(final Class clazz)
3. getField(Class type, String name)
4. getField(final Class javaClass, final String fieldName, final boolean shouldSetAccessible)
5. getJsonValueFieldName(String className)