gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.lib / src / main / java / org / gvsig / tools / util / ContainerUtils.java @ 2648
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/*
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2020 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.tools.util; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.Comparator; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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import org.apache.commons.lang3.StringUtils; |
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/**
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*
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* @author gvSIG Team
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*/
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public class ContainerUtils { |
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private ContainerUtils() {
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} |
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public static long size64(Size64 x) { |
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return x.size64();
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} |
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public static long size64(Size x) { |
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return x.size();
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} |
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public static long size64(Collection x) { |
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return x.size();
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} |
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public static long size64(Map x) { |
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return x.size();
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} |
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public static long size64(Object[] x) { |
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return x.length;
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} |
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public static long size64(Object x) { |
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if( x instanceof Size64 ) { |
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return ((Size64)x).size64();
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} |
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if( x instanceof Collection) { |
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return ((Collection)x).size(); |
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} |
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if( x instanceof Map) { |
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return ((Map)x).size(); |
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} |
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if( x instanceof Size) { |
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return ((Size)x).size();
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} |
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if( x instanceof Object[] ) { |
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return ((Object[])x).length; |
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} |
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if( x instanceof Iterator ) { |
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long i = 0; |
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while( ((Iterator) x).hasNext() ) { |
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((Iterator) x).next();
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i++; |
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} |
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return i;
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} |
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if( x instanceof Iterable ) { |
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Iterator it = ((Iterable)x).iterator(); |
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long i = 0; |
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while( ((Iterator) it).hasNext() ) { |
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((Iterator) it).next();
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i++; |
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} |
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return i;
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} |
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return -1; |
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} |
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public static int size(Size x) { |
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return x.size();
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} |
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public static long size(Size64 x) { |
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return x.size64();
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} |
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public static long size(Collection x) { |
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return x.size();
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} |
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public static long size(Map x) { |
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return x.size();
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} |
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public static long size(Object[] x) { |
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return x.length;
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} |
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public static int size(Object x) { |
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if( x instanceof Size ) { |
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return ((Size)x).size();
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} |
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if( x instanceof Collection) { |
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return ((Collection)x).size(); |
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} |
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if( x instanceof Map) { |
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return ((Map)x).size(); |
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} |
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if( x instanceof Size64) { |
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long sz = ((Size64)x).size64();
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if( sz <= Integer.MAX_VALUE ) { |
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return (int) sz; |
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} |
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} |
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if( x instanceof Object[] ) { |
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return ((Object[])x).length; |
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} |
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if( x instanceof Iterator ) { |
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int i = 0; |
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while( ((Iterator) x).hasNext() ) { |
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((Iterator) x).next();
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i++; |
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} |
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return i;
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} |
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if( x instanceof Iterable ) { |
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Iterator it = ((Iterable)x).iterator(); |
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int i = 0; |
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while( ((Iterator) it).hasNext() ) { |
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((Iterator) it).next();
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i++; |
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} |
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return i;
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} |
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return -1; |
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} |
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public static Boolean isEmpty(IsEmpty x, boolean defaultValue) { |
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return x.isEmpty();
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} |
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public static Boolean isEmpty(Collection x, boolean defaultValue) { |
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return x.isEmpty();
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} |
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public static Boolean isEmpty(Map x, boolean defaultValue) { |
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return x.isEmpty();
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} |
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public static Boolean isEmpty(Object x, boolean defaultValue) { |
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if( x instanceof IsEmpty ) { |
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return ((IsEmpty)x).isEmpty();
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} |
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if( x instanceof Collection) { |
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return ((Collection)x).isEmpty(); |
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} |
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if( x instanceof Map) { |
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return ((Map)x).isEmpty(); |
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} |
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if( x instanceof Iterator ) { |
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return ((Iterator) x).hasNext(); |
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} |
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if( x instanceof Iterable ) { |
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Iterator it = ((Iterable)x).iterator(); |
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return it.hasNext();
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} |
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return defaultValue;
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} |
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public static Object get64(GetItem64 x, long position) { |
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return x.get64(position);
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} |
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public static Object get64(GetItem x, long position) { |
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if( position>Integer.MAX_VALUE ) { |
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return null; |
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} |
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return x.get((int) position); |
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} |
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public static Object get64(List x, long position) { |
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if( position>Integer.MAX_VALUE ) { |
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return null; |
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} |
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return x.get((int) position); |
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} |
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public static Object get64(Object[] x, long position) { |
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if( position>Integer.MAX_VALUE ) { |
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return null; |
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} |
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return x[(int)position]; |
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} |
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public static Object get64(Object x, long position) { |
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if( x instanceof GetItem64 ) { |
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return ((GetItem64)x).get64(position);
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} |
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if( position>Integer.MAX_VALUE ) { |
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return null; |
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} |
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if( x instanceof List) { |
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return ((List)x).get((int) position); |
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} |
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if( x instanceof GetItem) { |
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return ((GetItem)x).get((int) position); |
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} |
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if( x instanceof Object[] ) { |
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return ((Object[])x)[(int)position]; |
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} |
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return null; |
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} |
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public static Object get64(Object x, Object key) { |
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return get(x,key);
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} |
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public static Object get(GetItem x, int position) { |
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return x.get(position);
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} |
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public static Object get(Object x, int position) { |
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if( x instanceof GetItem ) { |
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return ((GetItem)x).get(position);
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} |
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if( x instanceof List) { |
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return ((List)x).get(position); |
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} |
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if( x instanceof GetItem64) { |
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return ((GetItem64)x).get64(position);
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} |
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if( x instanceof Object[] ) { |
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return ((Object[])x)[position]; |
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} |
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return null; |
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} |
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public static Object get(Object x, Object key) { |
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if( x instanceof GetItemByKey ) { |
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return ((GetItemByKey)x).get(key);
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} |
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if( x instanceof Map ) { |
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return ((Map)x).get(key); |
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} |
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if( key instanceof Number ) { |
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if( x instanceof GetItem ) { |
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return ((GetItem)x).get(((Number) key).intValue()); |
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} |
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if( x instanceof List) { |
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return ((List)x).get(((Number) key).intValue()); |
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} |
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if( x instanceof GetItem64) { |
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return ((GetItem64)x).get64(((Number) key).longValue()); |
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} |
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if( x instanceof Object[] ) { |
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return ((Object[])x)[((Number) key).intValue()]; |
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} |
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} |
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return null; |
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} |
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public static List getKeys(GetKeys x) { |
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return x.getKeys();
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} |
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public static List getKeys(Object x) { |
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if( x instanceof GetKeys ) { |
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return ((GetKeys)x).getKeys();
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} |
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if( x instanceof Map ) { |
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return new ArrayList(((Map) x).keySet()); |
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} |
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return null; |
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} |
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public static Iterator getKeysIterator(Object x) { |
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if( x instanceof GetKeys ) { |
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return ((GetKeys)x).getKeys().iterator();
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} |
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if( x instanceof Map ) { |
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return ((Map) x).keySet().iterator(); |
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} |
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return null; |
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} |
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public static final Comparator<String> EQUALS_IGNORECASE_COMPARATOR = (Comparator<String>) (String o1, String o2) -> StringUtils.compareIgnoreCase(o1, o2); |
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public static boolean notContains(Collection collection, Object value, Comparator comparator) { |
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if(collection==null) { |
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return false; |
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} |
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if(comparator==null) { |
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comparator=EQUALS_IGNORECASE_COMPARATOR; |
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} |
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for (Object item : collection) { |
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if( comparator.compare(item, value)==0 ) { |
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return true; |
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} |
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} |
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return false; |
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} |
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public static boolean contains(Collection collection, Object value, Comparator comparator) { |
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if(collection==null) { |
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return false; |
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} |
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if(comparator==null) { |
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comparator=EQUALS_IGNORECASE_COMPARATOR; |
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} |
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for (Object item : collection) { |
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if( comparator.compare(item, value)==0 ) { |
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return true; |
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} |
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} |
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return false; |
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} |
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} |