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A complete, Java-based solution for accessing, manipulating,
and outputting XML data
/*--
Copyright (C) 2011 - 2012 Jason Hunter & Brett McLaughlin.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions, and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions, and the disclaimer that follows
these conditions in the documentation and/or other materials
provided with the distribution.
3. The name "JDOM" must not be used to endorse or promote products
derived from this software without prior written permission. For
written permission, please contact .
4. Products derived from this software may not be called "JDOM", nor
may "JDOM" appear in their name, without prior written permission
from the JDOM Project Management .
In addition, we request (but do not require) that you include in the
end-user documentation provided with the redistribution and/or in the
software itself an acknowledgement equivalent to the following:
"This product includes software developed by the
JDOM Project (http://www.jdom.org/)."
Alternatively, the acknowledgment may be graphical using the logos
available at http://www.jdom.org/images/logos.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE JDOM AUTHORS OR THE PROJECT
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
This software consists of voluntary contributions made by many
individuals on behalf of the JDOM Project and was originally
created by Jason Hunter and
Brett McLaughlin . For more information
on the JDOM Project, please see .
*/
package org.jdom2.internal;
import java.lang.reflect.Array;
/**
* The copyOf methods on java.util.Arrays are introduced in Java6. Need an
* alternative to support Java5.
*
* @author Rolf Lear
*
*/
public final class ArrayCopy {
private ArrayCopy() {
// inaccessible constructor.
}
/**
* Arrays.copyOf(...) is a Java6 thing. This is a replacement.
* @param The generic type of the array we are copying.
* @param source the source array.
* @param len the length of the new array copy.
* @return a new array that has the same elements as the source.
*/
public static final E[] copyOf(final E[] source, final int len) {
@SuppressWarnings("unchecked")
final E[] dest = (E[])Array.newInstance(source.getClass().getComponentType(), len);
System.arraycopy(source, 0, dest, 0, len < source.length ? len : source.length);
return dest;
}
/**
* Arrays.copyOf(...) is a Java6 thing. This is a replacement.
* @param The generic type of the array we are copying.
* @param source the source array.
* @param from the start point of the copy (inclusive).
* @param to the end point of the copy (exclusive).
* @return a new array that has the same elements as the source.
*/
public static final E[] copyOfRange(final E[] source, final int from, int to) {
final int len = to - from;
if (len < 0) {
throw new IllegalArgumentException("From(" + from + ") > To (" + to + ")");
}
@SuppressWarnings("unchecked")
final E[] dest = (E[])Array.newInstance(source.getClass().getComponentType(), len);
final int tocopy = from + len > source.length ? source.length - from : len;
System.arraycopy(source, from, dest, 0, tocopy);
return dest;
}
/**
* Arrays.copyOf(...) is a Java6 thing. This is a replacement.
* @param source the source array.
* @param len the length of the new array copy.
* @return a new array that has the same elements as the source.
*/
public static final char[] copyOf(final char[] source, final int len) {
final char[] dest = new char[len];
System.arraycopy(source, 0, dest, 0, len < source.length ? len : source.length);
return dest;
}
/**
* Arrays.copyOf(...) is a Java6 thing. This is a replacement.
* @param source the source array.
* @param len the length of the new array copy.
* @return a new array that has the same elements as the source.
*/
public static final int[] copyOf(final int[] source, final int len) {
final int[] dest = new int[len];
System.arraycopy(source, 0, dest, 0, len < source.length ? len : source.length);
return dest;
}
/**
* Arrays.copyOf(...) is a Java6 thing. This is a replacement.
* @param source the source array.
* @param len the length of the new array copy.
* @return a new array that has the same elements as the source.
*/
public static final boolean[] copyOf(final boolean[] source, final int len) {
final boolean[] dest = new boolean[len];
System.arraycopy(source, 0, dest, 0, len < source.length ? len : source.length);
return dest;
}
}