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/*
* Copyright (C) 2001-2013 Michael Fuchs
*
* This file is part of herold.
*
* herold is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* herold is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with herold. If not, see <http://www.gnu.org/licenses/>.
*/
package org.dbdoclet.service;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
/**
* Die Klasse ArrayServices bietet Methoden für die Bearbeitung von Arrays.
*
*/
public class ArrayServices {
/**
* Die Methode <code>concat</code> verknüpft 2 Arrays des Typs
* String[] zu einem neuen String[] Array.
*
* @see java.lang.System#arraycopy
*/
public static String[] concat(String[] array1, String[] array2) {
if (array1 == null) {
throw new IllegalArgumentException("The argument array1 must not be null!");
}
if (array2 == null) {
throw new IllegalArgumentException("The argument array2 must not be null!");
}
String[] array = new String[array1.length + array2.length];
System.arraycopy(array1, 0, array, 0, array1.length);
System.arraycopy(array2, 0, array, array1.length, array2.length);
return array;
}
public static File[] concat(File[] array1, File[] array2) {
if (array1 == null) {
throw new IllegalArgumentException("The argument array1 must not be null!");
}
if (array2 == null) {
throw new IllegalArgumentException("The argument array2 must not be null!");
}
File[] array = new File[array1.length + array2.length];
System.arraycopy(array1, 0, array, 0, array1.length);
System.arraycopy(array2, 0, array, array1.length, array2.length);
return array;
}
/**
* Die Methode concat verknüpft 2 Arrays des Typs Object[] zu einem neuen Array.
*/
public static Object[] concat(Object[] array1, Object[] array2) {
if (array1 == null) {
throw new IllegalArgumentException("The argument array1 must not be null!");
}
if (array2 == null) {
throw new IllegalArgumentException("The argument array2 must not be null!");
}
Object[] array = new Object[array1.length + array2.length];
System.arraycopy(array1, 0, array, 0, array1.length);
System.arraycopy(array2, 0, array, array1.length, array2.length);
return array;
}
public static String[] listToSortedStringArray(ArrayList<String> list) {
if (list == null) {
throw new IllegalArgumentException("The argument list must not be null!");
}
Object[] objArray = list.toArray();
Arrays.sort(objArray);
String[] strArray = new String[objArray.length];
for (int i = 0; i < objArray.length; i++) {
if (objArray[i] == null) {
strArray[i] = null;
continue;
}
if (objArray[i] instanceof String) {
strArray[i] = (String) objArray[i];
} else {
strArray[i] = objArray.toString();
}
}
return strArray;
}
public static String[] listToStringArray(ArrayList<String> list) {
if (list == null) {
throw new IllegalArgumentException("The argument list must not be null!");
}
Object[] objArray = list.toArray();
String[] strArray = new String[objArray.length];
for (int i = 0; i < objArray.length; i++) {
if (objArray[i] == null) {
strArray[i] = null;
continue;
}
if (objArray[i] instanceof String) {
strArray[i] = (String) objArray[i];
} else {
strArray[i] = objArray.toString();
}
}
return strArray;
}
public static String listToString(ArrayList<String> list) {
if (list == null) {
throw new IllegalArgumentException("The argument list must not be null!");
}
Object[] objArray = list.toArray();
StringBuffer buffer = new StringBuffer();
for (int i = 0; i < objArray.length; i++) {
if (objArray[i] == null) {
continue;
}
buffer.append(objArray[i].toString());
buffer.append(' ');
}
return buffer.toString();
}
}
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