| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| *******************************************************************************/ |
| package org.apache.ofbiz.base.util; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.Serializable; |
| import java.math.BigDecimal; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.LinkedHashSet; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.TreeMap; |
| import java.util.TreeSet; |
| |
| import org.apache.ofbiz.base.util.collections.MapComparator; |
| |
| /** |
| * UtilMisc - Misc Utility Functions |
| */ |
| public final class UtilMisc { |
| |
| public static final String module = UtilMisc.class.getName(); |
| |
| private static final BigDecimal ZERO_BD = BigDecimal.ZERO; |
| |
| private UtilMisc () {} |
| |
| public static final <T extends Throwable> T initCause(T throwable, Throwable cause) { |
| throwable.initCause(cause); |
| return throwable; |
| } |
| |
| public static <T> int compare(Comparable<T> obj1, T obj2) { |
| if (obj1 == null) { |
| if (obj2 == null) { |
| return 0; |
| } else { |
| return 1; |
| } |
| } else { |
| return obj1.compareTo(obj2); |
| } |
| } |
| |
| public static <E> int compare(List<E> obj1, List<E> obj2) { |
| if (obj1 == obj2) { |
| return 0; |
| } |
| try { |
| if (obj1.size() == obj2.size() && obj1.containsAll(obj2) && obj2.containsAll(obj1)) { |
| return 0; |
| } |
| |
| } catch (Exception e) {} |
| return 1; |
| } |
| |
| /** |
| * Get an iterator from a collection, returning null if collection is null |
| * @param col The collection to be turned in to an iterator |
| * @return The resulting Iterator |
| */ |
| public static <T> Iterator<T> toIterator(Collection<T> col) { |
| if (col == null) |
| return null; |
| else |
| return col.iterator(); |
| } |
| |
| /** |
| * Create a map from passed nameX, valueX parameters |
| * @return The resulting Map |
| */ |
| public static <V, V1 extends V> Map<String, V> toMap(String name1, V1 value1) { |
| return populateMap(new HashMap<String, V>(), name1, value1); |
| } |
| |
| /** |
| * Create a map from passed nameX, valueX parameters |
| * @return The resulting Map |
| */ |
| public static <V, V1 extends V, V2 extends V> Map<String, V> toMap(String name1, V1 value1, String name2, V2 value2) { |
| return populateMap(new HashMap<String, V>(), name1, value1, name2, value2); |
| } |
| |
| /** |
| * Create a map from passed nameX, valueX parameters |
| * @return The resulting Map |
| */ |
| public static <V, V1 extends V, V2 extends V, V3 extends V> Map<String, V> toMap(String name1, V1 value1, String name2, V2 value2, String name3, V3 value3) { |
| return populateMap(new HashMap<String, V>(), name1, value1, name2, value2, name3, value3); |
| } |
| |
| /** |
| * Create a map from passed nameX, valueX parameters |
| * @return The resulting Map |
| */ |
| public static <V, V1 extends V, V2 extends V, V3 extends V, V4 extends V> Map<String, V> toMap(String name1, V1 value1, String name2, V2 value2, String name3, V3 value3, String name4, V4 value4) { |
| return populateMap(new HashMap<String, V>(), name1, value1, name2, value2, name3, value3, name4, value4); |
| } |
| |
| /** |
| * Create a map from passed nameX, valueX parameters |
| * @return The resulting Map |
| */ |
| public static <V, V1 extends V, V2 extends V, V3 extends V, V4 extends V, V5 extends V> Map<String, V> toMap(String name1, V1 value1, String name2, V2 value2, String name3, V3 value3, String name4, V4 value4, String name5, V5 value5) { |
| return populateMap(new HashMap<String, V>(), name1, value1, name2, value2, name3, value3, name4, value4, name5, value5); |
| } |
| |
| /** |
| * Create a map from passed nameX, valueX parameters |
| * @return The resulting Map |
| */ |
| public static <V, V1 extends V, V2 extends V, V3 extends V, V4 extends V, V5 extends V, V6 extends V> Map<String, V> toMap(String name1, V1 value1, String name2, V2 value2, String name3, V3 value3, String name4, V4 value4, String name5, V5 value5, String name6, V6 value6) { |
| return populateMap(new HashMap<String, V>(), name1, value1, name2, value2, name3, value3, name4, value4, name5, value5, name6, value6); |
| } |
| |
| /** |
| * Create a map from passed nameX, valueX parameters |
| * @return The resulting Map |
| */ |
| @SuppressWarnings("unchecked") |
| public static <K, V> Map<String, V> toMap(Object... data) { |
| if (data.length == 1 && data[0] instanceof Map) { |
| // Logging a warning here because a lot of code misuses this method and that code needs to be fixed. |
| //Debug.logWarning("UtilMisc.toMap called with a Map. Use UtilGenerics.checkMap instead.", module); |
| return UtilGenerics.<String, V>checkMap(data[0]); |
| } |
| if (data.length % 2 == 1) { |
| IllegalArgumentException e = new IllegalArgumentException("You must pass an even sized array to the toMap method (size = " + data.length + ")"); |
| Debug.logInfo(e, module); |
| throw e; |
| } |
| Map<String, V> map = new HashMap<String, V>(); |
| for (int i = 0; i < data.length;) { |
| map.put((String) data[i++], (V) data[i++]); |
| } |
| return map; |
| } |
| |
| @SuppressWarnings("unchecked") |
| private static <K, V> Map<String, V> populateMap(Map<String, V> map, Object... data) { |
| for (int i = 0; i < data.length;) { |
| map.put((String) data[i++], (V) data[i++]); |
| } |
| return map; |
| } |
| |
| public static <K, V> String printMap(Map<? extends K, ? extends V> theMap) { |
| StringBuilder theBuf = new StringBuilder(); |
| for (Map.Entry<? extends K, ? extends V> entry: theMap.entrySet()) { |
| theBuf.append(entry.getKey()); |
| theBuf.append(" --> "); |
| theBuf.append(entry.getValue()); |
| theBuf.append(System.getProperty("line.separator")); |
| } |
| return theBuf.toString(); |
| } |
| |
| public static <T> List<T> makeListWritable(Collection<? extends T> col) { |
| List<T> result = new LinkedList<T>(); |
| if (col != null) result.addAll(col); |
| return result; |
| } |
| |
| public static <K, V> Map<K, V> makeMapWritable(Map<K, ? extends V> map) { |
| if (map == null) { |
| return new HashMap<K, V>(); |
| } |
| Map<K, V> result = new HashMap<K, V>(map.size()); |
| result.putAll(map); |
| return result; |
| } |
| |
| public static <T> Set<T> makeSetWritable(Collection<? extends T> col) { |
| Set<T> result = new LinkedHashSet<T>(); |
| if (col != null) result.addAll(col); |
| return result; |
| } |
| |
| /** |
| * This change a Map to be Serializable by removing all entries with values that are not Serializable. |
| * |
| * @param <V> |
| * @param map |
| */ |
| public static <V> void makeMapSerializable(Map<String, V> map) { |
| // now filter out all non-serializable values |
| Set<String> keysToRemove = new LinkedHashSet<String>(); |
| for (Map.Entry<String, V> mapEntry: map.entrySet()) { |
| Object entryValue = mapEntry.getValue(); |
| if (entryValue != null && !(entryValue instanceof Serializable)) { |
| keysToRemove.add(mapEntry.getKey()); |
| //Debug.logInfo("Found Map value that is not Serializable: " + mapEntry.getKey() + "=" + mapEntry.getValue(), module); |
| } |
| } |
| for (String keyToRemove: keysToRemove) { map.remove(keyToRemove); } |
| //if (!(map instanceof Serializable)) { |
| // Debug.logInfo("Parameter Map is not Serializable!", module); |
| //} |
| |
| //for (Map.Entry<String, V> mapEntry: map.entrySet()) { |
| // Debug.logInfo("Entry in Map made serializable: " + mapEntry.getKey() + "=" + mapEntry.getValue(), module); |
| //} |
| } |
| |
| /** |
| * Sort a List of Maps by specified consistent keys. |
| * @param listOfMaps List of Map objects to sort. |
| * @param sortKeys List of Map keys to sort by. |
| * @return a new List of sorted Maps. |
| */ |
| public static List<Map<Object, Object>> sortMaps(List<Map<Object, Object>> listOfMaps, List<? extends String> sortKeys) { |
| if (listOfMaps == null || sortKeys == null) |
| return null; |
| List<Map<Object, Object>> toSort = new ArrayList<Map<Object, Object>>(listOfMaps.size()); |
| toSort.addAll(listOfMaps); |
| try { |
| MapComparator mc = new MapComparator(sortKeys); |
| Collections.sort(toSort, mc); |
| } catch (Exception e) { |
| Debug.logError(e, "Problems sorting list of maps; returning null.", module); |
| return null; |
| } |
| return toSort; |
| } |
| |
| /** |
| * Assuming outerMap not null; if null will throw a NullPointerException |
| */ |
| public static <K, IK, V> Map<IK, V> getMapFromMap(Map<K, Object> outerMap, K key) { |
| Map<IK, V> innerMap = UtilGenerics.<IK, V>checkMap(outerMap.get(key)); |
| if (innerMap == null) { |
| innerMap = new HashMap<IK, V>(); |
| outerMap.put(key, innerMap); |
| } |
| return innerMap; |
| } |
| |
| /** |
| * Assuming outerMap not null; if null will throw a NullPointerException |
| */ |
| public static <K, V> List<V> getListFromMap(Map<K, Object> outerMap, K key) { |
| List<V> innerList = UtilGenerics.<V>checkList(outerMap.get(key)); |
| if (innerList == null) { |
| innerList = new LinkedList<V>(); |
| outerMap.put(key, innerList); |
| } |
| return innerList; |
| } |
| |
| /** |
| * Assuming theMap not null; if null will throw a NullPointerException |
| */ |
| public static <K> BigDecimal addToBigDecimalInMap(Map<K, Object> theMap, K mapKey, BigDecimal addNumber) { |
| Object currentNumberObj = theMap.get(mapKey); |
| BigDecimal currentNumber = null; |
| if (currentNumberObj == null) { |
| currentNumber = ZERO_BD; |
| } else if (currentNumberObj instanceof BigDecimal) { |
| currentNumber = (BigDecimal) currentNumberObj; |
| } else if (currentNumberObj instanceof Double) { |
| currentNumber = new BigDecimal(((Double) currentNumberObj).doubleValue()); |
| } else if (currentNumberObj instanceof Long) { |
| currentNumber = new BigDecimal(((Long) currentNumberObj).longValue()); |
| } else { |
| throw new IllegalArgumentException("In addToBigDecimalInMap found a Map value of a type not supported: " + currentNumberObj.getClass().getName()); |
| } |
| |
| if (addNumber == null || ZERO_BD.compareTo(addNumber) == 0) { |
| return currentNumber; |
| } |
| currentNumber = currentNumber.add(addNumber); |
| theMap.put(mapKey, currentNumber); |
| return currentNumber; |
| } |
| |
| public static <T> T removeFirst(List<T> lst) { |
| return lst.remove(0); |
| } |
| |
| public static <T> Set<T> collectionToSet(Collection<T> c) { |
| if (c == null) return null; |
| Set<T> theSet = null; |
| if (c instanceof Set<?>) { |
| theSet = (Set<T>) c; |
| } else { |
| theSet = new LinkedHashSet<T>(); |
| c.remove(null); |
| theSet.addAll(c); |
| } |
| return theSet; |
| } |
| |
| /** |
| * Create a Set from passed objX parameters |
| * @return The resulting Set |
| */ |
| public static <T> Set<T> toSet(T obj1) { |
| Set<T> theSet = new LinkedHashSet<T>(); |
| theSet.add(obj1); |
| return theSet; |
| } |
| |
| /** |
| * Create a Set from passed objX parameters |
| * @return The resulting Set |
| */ |
| public static <T> Set<T> toSet(T obj1, T obj2) { |
| Set<T> theSet = new LinkedHashSet<T>(); |
| theSet.add(obj1); |
| theSet.add(obj2); |
| return theSet; |
| } |
| |
| /** |
| * Create a Set from passed objX parameters |
| * @return The resulting Set |
| */ |
| public static <T> Set<T> toSet(T obj1, T obj2, T obj3) { |
| Set<T> theSet = new LinkedHashSet<T>(); |
| theSet.add(obj1); |
| theSet.add(obj2); |
| theSet.add(obj3); |
| return theSet; |
| } |
| |
| /** |
| * Create a Set from passed objX parameters |
| * @return The resulting Set |
| */ |
| public static <T> Set<T> toSet(T obj1, T obj2, T obj3, T obj4) { |
| Set<T> theSet = new LinkedHashSet<T>(); |
| theSet.add(obj1); |
| theSet.add(obj2); |
| theSet.add(obj3); |
| theSet.add(obj4); |
| return theSet; |
| } |
| |
| /** |
| * Create a Set from passed objX parameters |
| * @return The resulting Set |
| */ |
| public static <T> Set<T> toSet(T obj1, T obj2, T obj3, T obj4, T obj5) { |
| Set<T> theSet = new LinkedHashSet<T>(); |
| theSet.add(obj1); |
| theSet.add(obj2); |
| theSet.add(obj3); |
| theSet.add(obj4); |
| theSet.add(obj5); |
| return theSet; |
| } |
| |
| /** |
| * Create a Set from passed objX parameters |
| * @return The resulting Set |
| */ |
| public static <T> Set<T> toSet(T obj1, T obj2, T obj3, T obj4, T obj5, T obj6) { |
| Set<T> theSet = new LinkedHashSet<T>(); |
| theSet.add(obj1); |
| theSet.add(obj2); |
| theSet.add(obj3); |
| theSet.add(obj4); |
| theSet.add(obj5); |
| theSet.add(obj6); |
| return theSet; |
| } |
| |
| public static <T> Set<T> toSet(T obj1, T obj2, T obj3, T obj4, T obj5, T obj6, T obj7, T obj8) { |
| Set<T> theSet = new LinkedHashSet<T>(); |
| theSet.add(obj1); |
| theSet.add(obj2); |
| theSet.add(obj3); |
| theSet.add(obj4); |
| theSet.add(obj5); |
| theSet.add(obj6); |
| theSet.add(obj7); |
| theSet.add(obj8); |
| return theSet; |
| } |
| |
| public static <T> Set<T> toSet(Collection<T> collection) { |
| if (collection == null) return null; |
| if (collection instanceof Set<?>) { |
| return (Set<T>) collection; |
| } else { |
| Set<T> theSet = new LinkedHashSet<T>(); |
| theSet.addAll(collection); |
| return theSet; |
| } |
| } |
| |
| public static <T> Set<T> toSetArray(T[] data) { |
| if (data == null) { |
| return null; |
| } |
| Set<T> set = new LinkedHashSet<T>(); |
| for (T value: data) { |
| set.add(value); |
| } |
| return set; |
| } |
| |
| /** |
| * Create a list from passed objX parameters |
| * @return The resulting List |
| */ |
| public static <T> List<T> toList(T obj1) { |
| List<T> list = new LinkedList<T>(); |
| |
| list.add(obj1); |
| return list; |
| } |
| |
| /** |
| * Create a list from passed objX parameters |
| * @return The resulting List |
| */ |
| public static <T> List<T> toList(T obj1, T obj2) { |
| List<T> list = new LinkedList<T>(); |
| |
| list.add(obj1); |
| list.add(obj2); |
| return list; |
| } |
| |
| /** |
| * Create a list from passed objX parameters |
| * @return The resulting List |
| */ |
| public static <T> List<T> toList(T obj1, T obj2, T obj3) { |
| List<T> list = new LinkedList<T>(); |
| |
| list.add(obj1); |
| list.add(obj2); |
| list.add(obj3); |
| return list; |
| } |
| |
| /** |
| * Create a list from passed objX parameters |
| * @return The resulting List |
| */ |
| public static <T> List<T> toList(T obj1, T obj2, T obj3, T obj4) { |
| List<T> list = new LinkedList<T>(); |
| |
| list.add(obj1); |
| list.add(obj2); |
| list.add(obj3); |
| list.add(obj4); |
| return list; |
| } |
| |
| /** |
| * Create a list from passed objX parameters |
| * @return The resulting List |
| */ |
| public static <T> List<T> toList(T obj1, T obj2, T obj3, T obj4, T obj5) { |
| List<T> list = new LinkedList<T>(); |
| |
| list.add(obj1); |
| list.add(obj2); |
| list.add(obj3); |
| list.add(obj4); |
| list.add(obj5); |
| return list; |
| } |
| |
| /** |
| * Create a list from passed objX parameters |
| * @return The resulting List |
| */ |
| public static <T> List<T> toList(T obj1, T obj2, T obj3, T obj4, T obj5, T obj6) { |
| List<T> list = new LinkedList<T>(); |
| |
| list.add(obj1); |
| list.add(obj2); |
| list.add(obj3); |
| list.add(obj4); |
| list.add(obj5); |
| list.add(obj6); |
| return list; |
| } |
| |
| public static <T> List<T> toList(T obj1, T obj2, T obj3, T obj4, T obj5, T obj6, T obj7, T obj8, T obj9) { |
| List<T> list = new LinkedList<T>(); |
| |
| list.add(obj1); |
| list.add(obj2); |
| list.add(obj3); |
| list.add(obj4); |
| list.add(obj5); |
| list.add(obj6); |
| list.add(obj7); |
| list.add(obj8); |
| list.add(obj9); |
| return list; |
| } |
| |
| public static <T> List<T> toList(Collection<T> collection) { |
| if (collection == null) return null; |
| if (collection instanceof List<?>) { |
| return (List<T>) collection; |
| } else { |
| List<T> list = new LinkedList<T>(); |
| list.addAll(collection); |
| return list; |
| } |
| } |
| |
| public static <T> List<T> toListArray(T[] data) { |
| if (data == null) { |
| return null; |
| } |
| List<T> list = new LinkedList<T>(); |
| for (T value: data) { |
| list.add(value); |
| } |
| return list; |
| } |
| |
| public static <K, V> void addToListInMap(V element, Map<K, Object> theMap, K listKey) { |
| List<V> theList = UtilGenerics.checkList(theMap.get(listKey)); |
| if (theList == null) { |
| theList = new LinkedList<V>(); |
| theMap.put(listKey, theList); |
| } |
| theList.add(element); |
| } |
| |
| public static <K, V> void addToSetInMap(V element, Map<K, Set<V>> theMap, K setKey) { |
| Set<V> theSet = UtilGenerics.checkSet(theMap.get(setKey)); |
| if (theSet == null) { |
| theSet = new LinkedHashSet<V>(); |
| theMap.put(setKey, theSet); |
| } |
| theSet.add(element); |
| } |
| |
| public static <K, V> void addToSortedSetInMap(V element, Map<K, Set<V>> theMap, K setKey) { |
| Set<V> theSet = UtilGenerics.checkSet(theMap.get(setKey)); |
| if (theSet == null) { |
| theSet = new TreeSet<V>(); |
| theMap.put(setKey, theSet); |
| } |
| theSet.add(element); |
| } |
| |
| /** Converts an <code>Object</code> to a <code>double</code>. Returns |
| * zero if conversion is not possible. |
| * @param obj Object to convert |
| * @return double value |
| */ |
| public static double toDouble(Object obj) { |
| Double result = toDoubleObject(obj); |
| return result == null ? 0.0 : result.doubleValue(); |
| } |
| |
| /** Converts an <code>Object</code> to a <code>Double</code>. Returns |
| * <code>null</code> if conversion is not possible. |
| * @param obj Object to convert |
| * @return Double |
| */ |
| public static Double toDoubleObject(Object obj) { |
| if (obj == null) { |
| return null; |
| } |
| if (obj instanceof Double) { |
| return (Double) obj; |
| } |
| if (obj instanceof Number) { |
| return new Double(((Number)obj).doubleValue()); |
| } |
| Double result = null; |
| try { |
| result = Double.parseDouble(obj.toString()); |
| } catch (Exception e) {} |
| return result; |
| } |
| |
| /** Converts an <code>Object</code> to an <code>int</code>. Returns |
| * zero if conversion is not possible. |
| * @param obj Object to convert |
| * @return int value |
| */ |
| public static int toInteger(Object obj) { |
| Integer result = toIntegerObject(obj); |
| return result == null ? 0 : result.intValue(); |
| } |
| |
| /** Converts an <code>Object</code> to an <code>Integer</code>. Returns |
| * <code>null</code> if conversion is not possible. |
| * @param obj Object to convert |
| * @return Integer |
| */ |
| public static Integer toIntegerObject(Object obj) { |
| if (obj == null) { |
| return null; |
| } |
| if (obj instanceof Integer) { |
| return (Integer) obj; |
| } |
| if (obj instanceof Number) { |
| return ((Number)obj).intValue(); |
| } |
| Integer result = null; |
| try { |
| result = Integer.parseInt(obj.toString()); |
| } catch (Exception e) {} |
| return result; |
| } |
| |
| /** Converts an <code>Object</code> to a <code>long</code>. Returns |
| * zero if conversion is not possible. |
| * @param obj Object to convert |
| * @return long value |
| */ |
| public static long toLong(Object obj) { |
| Long result = toLongObject(obj); |
| return result == null ? 0 : result.longValue(); |
| } |
| |
| /** Converts an <code>Object</code> to a <code>Long</code>. Returns |
| * <code>null</code> if conversion is not possible. |
| * @param obj Object to convert |
| * @return Long |
| */ |
| public static Long toLongObject(Object obj) { |
| if (obj == null) { |
| return null; |
| } |
| if (obj instanceof Long) { |
| return (Long) obj; |
| } |
| if (obj instanceof Number) { |
| return new Long(((Number)obj).longValue()); |
| } |
| Long result = null; |
| try { |
| result = Long.parseLong(obj.toString()); |
| } catch (Exception e) {} |
| return result; |
| } |
| |
| /** |
| * Adds value to the key entry in theMap, or creates a new one if not already there |
| * @param theMap |
| * @param key |
| * @param value |
| */ |
| public static <K> void addToDoubleInMap(Map<K, Object> theMap, K key, Double value) { |
| Double curValue = (Double) theMap.get(key); |
| if (curValue != null) { |
| theMap.put(key, curValue + value); |
| } else { |
| theMap.put(key, value); |
| } |
| } |
| |
| /** |
| * Parse a locale string Locale object |
| * @param localeString The locale string (en_US) |
| * @return Locale The new Locale object or null if no valid locale can be interpreted |
| */ |
| public static Locale parseLocale(String localeString) { |
| if (UtilValidate.isEmpty(localeString)) { |
| return null; |
| } |
| |
| Locale locale = null; |
| if (localeString.length() == 2) { |
| // two letter language code |
| locale = new Locale(localeString); |
| } else if (localeString.length() == 5) { |
| // positions 0-1 language, 3-4 are country |
| String language = localeString.substring(0, 2); |
| String country = localeString.substring(3, 5); |
| locale = new Locale(language, country); |
| } else if (localeString.length() > 6) { |
| // positions 0-1 language, 3-4 are country, 6 and on are special extensions |
| String language = localeString.substring(0, 2); |
| String country = localeString.substring(3, 5); |
| String extension = localeString.substring(6); |
| locale = new Locale(language, country, extension); |
| } else { |
| Debug.logWarning("Do not know what to do with the localeString [" + localeString + "], should be length 2, 5, or greater than 6, returning null", module); |
| } |
| |
| return locale; |
| } |
| |
| /** The input can be a String, Locale, or even null and a valid Locale will always be returned; if nothing else works, returns the default locale. |
| * @param localeObject An Object representing the locale |
| */ |
| public static Locale ensureLocale(Object localeObject) { |
| if (localeObject instanceof String) { |
| return parseLocale((String) localeObject); |
| } else if (localeObject instanceof Locale) { |
| return (Locale) localeObject; |
| } |
| return Locale.getDefault(); |
| } |
| |
| // Private lazy-initializer class |
| private static class LocaleHolder { |
| private static final List<Locale> availableLocaleList = getAvailableLocaleList(); |
| |
| private static List<Locale> getAvailableLocaleList() { |
| TreeMap<String, Locale> localeMap = new TreeMap<String, Locale>(); |
| String localesString = UtilProperties.getPropertyValue("general", "locales.available"); |
| if (UtilValidate.isNotEmpty(localesString)) { |
| List<String> idList = StringUtil.split(localesString, ","); |
| for (String id : idList) { |
| Locale curLocale = parseLocale(id); |
| localeMap.put(curLocale.getDisplayName(), curLocale); |
| } |
| } else { |
| Locale[] locales = Locale.getAvailableLocales(); |
| for (int i = 0; i < locales.length && locales[i] != null; i++) { |
| String displayName = locales[i].getDisplayName(); |
| if (!displayName.isEmpty()) { |
| localeMap.put(displayName, locales[i]); |
| } |
| } |
| } |
| return Collections.unmodifiableList(new ArrayList<Locale>(localeMap.values())); |
| } |
| } |
| |
| /** Returns a List of available locales sorted by display name */ |
| public static List<Locale> availableLocales() { |
| return LocaleHolder.availableLocaleList; |
| } |
| |
| /** @deprecated use Thread.sleep() */ |
| @Deprecated |
| public static void staticWait(long timeout) throws InterruptedException { |
| Thread.sleep(timeout); |
| } |
| |
| public static void copyFile(File sourceLocation , File targetLocation) throws IOException { |
| if (sourceLocation.isDirectory()) { |
| throw new IOException("File is a directory, not a file, cannot copy") ; |
| } else { |
| |
| InputStream in = new FileInputStream(sourceLocation); |
| OutputStream out = new FileOutputStream(targetLocation); |
| |
| // Copy the bits from instream to outstream |
| byte[] buf = new byte[1024]; |
| int len; |
| while ((len = in.read(buf)) > 0) { |
| out.write(buf, 0, len); |
| } |
| in.close(); |
| out.close(); |
| } |
| } |
| |
| public static int getViewLastIndex(int listSize, int viewSize) { |
| return (int)Math.ceil(listSize / (float) viewSize) - 1; |
| } |
| |
| } |