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package org.glassfish.jersey.tests.e2e.json;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.Collection;
/**
* @author Jakub Podlesak (jakub.podlesak at oracle.com)
* @author Michal Gajdos
*/
public class JsonTestHelper {
public static String getResourceAsString(String prefix, String resource) throws IOException {
return getEntityAsString(Thread.currentThread().getContextClassLoader().getResourceAsStream(prefix + resource));
}
public static String getEntityAsString(InputStream inputStream) throws IOException {
Reader reader = new InputStreamReader(inputStream);
StringBuilder sb = new StringBuilder();
char[] c = new char[1024];
int l;
while ((l = reader.read(c)) != -1) {
sb.append(c, 0, l);
}
return sb.toString();
}
public static <T> T createTestInstance(Class<T> clazz) {
try {
Method createMethod = clazz.getDeclaredMethod("createTestInstance");
//noinspection unchecked
return (T) createMethod.invoke(clazz);
} catch (Exception ex) {
return null;
}
}
public static boolean isCollectionEmpty(final Collection<?> collection) {
return collection == null || collection.isEmpty();
}
public static <T> boolean areCollectionsEqual(final Collection<T> collection1, final Collection<T> collection2) {
return collection1 == collection2
|| (isCollectionEmpty(collection1) && isCollectionEmpty(collection2))
|| (collection1 != null && collection1.equals(collection2));
}
public static boolean isArrayEmpty(final Object[] array) {
return array == null || array.length == 0;
}
public static <T> boolean areArraysEqual(final T[] array1, final T[] array2) {
return array1 == array2
|| (isArrayEmpty(array1) && isArrayEmpty(array2))
|| Arrays.equals(array1, array2);
}
}