f80f98cee2
Former-commit-id:be96282207[formerly0be473728a] [formerlyaaac0b51e5[formerly 1f109861760e5fbc9d7a13cc4f518341cbc31276]] Former-commit-id:aaac0b51e5Former-commit-id:bc439aee4f
128 lines
4 KiB
Java
128 lines
4 KiB
Java
/**
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* This software was developed and / or modified by Raytheon Company,
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* pursuant to Contract DG133W-05-CQ-1067 with the US Government.
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*
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* U.S. EXPORT CONTROLLED TECHNICAL DATA
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* This software product contains export-restricted data whose
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* export/transfer/disclosure is restricted by U.S. law. Dissemination
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* to non-U.S. persons whether in the United States or abroad requires
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* an export license or other authorization.
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*
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* Contractor Name: Raytheon Company
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* Contractor Address: 6825 Pine Street, Suite 340
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* Mail Stop B8
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* Omaha, NE 68106
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* 402.291.0100
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*
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* See the AWIPS II Master Rights File ("Master Rights File.pdf") for
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* further licensing information.
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**/
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package com.raytheon.uf.common.util;
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import java.lang.reflect.Field;
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import org.apache.commons.beanutils.ConvertUtils;
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import org.apache.commons.beanutils.Converter;
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/**
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* Utilities for converting objects, originally taken from
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* com.raytheon.edex.common.Util. Converters should be registered through
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* Spring.
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*
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* <pre>
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*
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* SOFTWARE HISTORY
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* Date Ticket# Engineer Description
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* ------------ ---------- ----------- --------------------------
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* Mar 19, 2009 njensen Initial creation
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* Mar 13, 2013 1789 bsteffen Move Calendar and Date parsing out of
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* ConvertUtil and also fix date parsing.
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*
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* </pre>
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*
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* @author njensen
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* @version 1.0
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*/
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public class ConvertUtil {
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private static ConvertUtil instance = new ConvertUtil();
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private ConvertUtil() {
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}
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/**
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* Used to register converters from Spring xml
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*
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* @param converter
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* @param clazz
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* @return
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*/
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public static Object registerConverter(Converter converter, Class<?> clazz) {
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ConvertUtils.register(converter, clazz);
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return instance;
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}
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/**
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* Converts a string to the desired object type
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*
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* @param value
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* String representation of an object
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* @param desiredClass
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* The class to convert to
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* @return The converted object
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* @throws Exception
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* If the string value cannot be converted to the desired class
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* type
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*/
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@SuppressWarnings("unchecked")
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public static Object convertObject(String value, Class<?> desiredClass) {
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if (value == null || value.equals("null")) {
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return null;
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}
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if (desiredClass.equals(String.class)) {
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return value;
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}
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if (desiredClass.isEnum()) {
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return Enum.valueOf((Class<? extends Enum>) desiredClass, value);
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}
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return ConvertUtils.convert(value, desiredClass);
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}
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public static String toString(Object obj) {
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return ConvertUtils.convert(obj);
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}
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public static Object convertAsType(String value, Class<?> entity,
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String fieldName) throws SecurityException, NoSuchFieldException {
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Field field = getField(fieldName, entity);
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return convertObject(value, field.getType());
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}
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public static Object convertAsType(String value, Class<?> entity,
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String[] fieldPath) throws SecurityException, NoSuchFieldException {
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Field f = getField(fieldPath[0], entity);
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for (int i = 1; i < fieldPath.length; ++i) {
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f = getField(fieldPath[i], f.getType());
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}
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return convertObject(value, f.getType());
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}
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protected static Field getField(String fieldName, Class<?> c)
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throws SecurityException, NoSuchFieldException {
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Field rval;
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try {
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rval = c.getDeclaredField(fieldName);
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} catch (NoSuchFieldException e) {
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Class<?> parent = c.getSuperclass();
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if (parent.isInstance(Object.class)) {
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throw e;
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} else {
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rval = getField(fieldName, c.getSuperclass());
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}
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}
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return rval;
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}
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}
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