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Woodstox 6.4.0 - Source Code Files
Woodstox 6.4.0 Source Code Files are provided at the Woodstox GitHub Website.
You can download them from the "src/main/java" folder.
You can also browse Woodstox Source Code files below:
✍: FYIcenter
⏎ com/ctc/wstx/util/DataUtil.java
package com.ctc.wstx.util; import java.lang.reflect.Array; import java.util.*; import org.codehaus.stax2.ri.SingletonIterator; public final class DataUtil { final static char[] EMPTY_CHAR_ARRAY = new char[0]; final static Long MAX_LONG = Long.valueOf(Long.MAX_VALUE); // Replace with Java 7 `Collections.emptyIterator()` once we can use it private final static class EI implements Iterator<Object> { public final static Iterator<?> sInstance = new EI(); @SuppressWarnings("unchecked") public static <T> Iterator<T> getInstance() { return (Iterator<T>) sInstance; } @Override public boolean hasNext() { return false; } @Override public Object next() { throw new java.util.NoSuchElementException(); } @Override public void remove() { throw new IllegalStateException(); } } private DataUtil() { } /* //////////////////////////////////////////////////////////// // Pooling for immutable objects //////////////////////////////////////////////////////////// */ public static char[] getEmptyCharArray() { return EMPTY_CHAR_ARRAY; } // TODO: deprecate, not really needed post-JDK-1.4 public static Integer Integer(int i) { return Integer.valueOf(i); } /* //////////////////////////////////////////////////////////// // Empty/singleton thingies //////////////////////////////////////////////////////////// */ public static <T> Iterator<T> singletonIterator(T item) { // TODO: with JDK 1.7, can use method from Collections // TODO: alternatively, with Woodstox 5.1, can fix deprecation marker return SingletonIterator.create(item); } public static <T> Iterator<T> emptyIterator() { // TODO: with JDK 1.7, can use method from Collections return EI.getInstance(); } /* //////////////////////////////////////////////////////////// // Methods for common operations on std data structs //////////////////////////////////////////////////////////// */ /** * Method that can be used to efficiently check if 2 collections * share at least one common element. * * @return True if there is at least one element that's common * to both Collections, ie. that is contained in both of them. */ public static <T> boolean anyValuesInCommon(Collection<T> c1, Collection<T> c2) { // Let's always iterate over smaller collection: if (c1.size() > c2.size()) { Collection<T> tmp = c1; c1 = c2; c2 = tmp; } Iterator<T> it = c1.iterator(); while (it.hasNext()) { if (c2.contains(it.next())) { return true; } } return false; } final static String NO_TYPE = "Illegal to pass null; can not determine component type"; public static Object growArrayBy50Pct(Object arr) { if (arr == null) { throw new IllegalArgumentException(NO_TYPE); } Object old = arr; int len = Array.getLength(arr); arr = Array.newInstance(arr.getClass().getComponentType(), len + (len >> 1)); System.arraycopy(old, 0, arr, 0, len); return arr; } /** * Method similar to {@link #growArrayBy50Pct}, but it also ensures that * the new size is at least as big as the specified minimum size. */ public static Object growArrayToAtLeast(Object arr, int minLen) { if (arr == null) { throw new IllegalArgumentException(NO_TYPE); } Object old = arr; int oldLen = Array.getLength(arr); int newLen = oldLen + ((oldLen + 1) >> 1); if (newLen < minLen) { newLen = minLen; } arr = Array.newInstance(arr.getClass().getComponentType(), newLen); System.arraycopy(old, 0, arr, 0, oldLen); return arr; } /** * Method similar to {@link #growArrayBy50Pct}, but it also ensures that * the new size is no bigger than specific maximum size. */ public static Object growArrayToAtMost(Object arr, int maxLen) { if (arr == null) { throw new IllegalArgumentException(NO_TYPE); } Object old = arr; int oldLen = Array.getLength(arr); int newLen = oldLen + ((oldLen + 1) >> 1); if (newLen > maxLen) { newLen = maxLen; } arr = Array.newInstance(arr.getClass().getComponentType(), newLen); System.arraycopy(old, 0, arr, 0, oldLen); return arr; } public static String[] growArrayBy(String[] arr, int more) { if (arr == null) { return new String[more]; } return Arrays.copyOf(arr, arr.length + more); } public static int[] growArrayBy(int[] arr, int more) { if (arr == null) { return new int[more]; } return Arrays.copyOf(arr, arr.length + more); } }
⏎ com/ctc/wstx/util/DataUtil.java
Or download all of them as a single archive file:
File name: woodstox-core-6.4.0-fyi.zip File size: 552992 bytes Release date: 2022-10-25 Download
⇒ woodstox-core-6.4.0.jar - Woodstox Core 6.4.0
⇐ What Is Woodstox XML Processing
2023-01-29, 9297👍, 0💬
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