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[#1429] Change Convert.convert(List, XXX) to accept Collection instead

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This commit is contained in:
Lukas Eder 2012-05-19 11:30:23 +02:00
parent aade4d7026
commit 2254444dad
1 changed files with 12 additions and 11 deletions
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23
jOOQ/src/main/java/org/jooq/tools/Convert.java
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@ -49,6 +49,7 @@ import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
@ -259,41 +260,41 @@ public final class Convert {
}
/**
* Convert a list of objects to a list of <code>T</code>, using
* Convert a collection of objects to a list of <code>T</code>, using
* {@link #convert(Object, Class)}
*
* @param list The list of objects
* @param collection The list of objects
* @param type The target type
* @return The list of converted objects
* @throws DataTypeException - When the conversion is not possible
* @see #convert(Object, Class)
*/
public static <T> List<T> convert(List<?> list, Class<? extends T> type) throws DataTypeException {
return convert(list, new ConvertAll<T>(type));
public static <T> List<T> convert(Collection<?> collection, Class<? extends T> type) throws DataTypeException {
return convert(collection, new ConvertAll<T>(type));
}
/**
* Convert a list of objects to a list of <code>T</code>, using
* Convert a collection of objects to a list of <code>T</code>, using
* {@link #convert(Object, Converter)}
*
* @param list The list of objects
* @param collection The collection of objects
* @param converter The data type converter
* @return The list of converted objects
* @throws DataTypeException - When the conversion is not possible
* @see #convert(Object, Converter)
*/
public static <U> List<U> convert(List<?> list, Converter<?, U> converter) throws DataTypeException {
return convert0(list, converter);
public static <U> List<U> convert(Collection<?> collection, Converter<?, U> converter) throws DataTypeException {
return convert0(collection, converter);
}
/**
* Type safe conversion
*/
private static <T, U> List<U> convert0(List<?> list, Converter<T, U> converter) throws DataTypeException {
private static <T, U> List<U> convert0(Collection<?> collection, Converter<T, U> converter) throws DataTypeException {
ConvertAll<T> all = new ConvertAll<T>(converter.fromType());
List<U> result = new ArrayList<U>(list.size());
List<U> result = new ArrayList<U>(collection.size());
for (Object o : list) {
for (Object o : collection) {
result.add(convert(all.from(o), converter));
}