nz.net.ultraq.groovy.extensions.DataInputExtensions.groovy Maven / Gradle / Ivy

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A collection of extensions for Groovy projects that I almost wish were a part of the GDK

The newest version!

/*
 * Copyright 2020, Emanuel Rabina (http://www.ultraq.net.nz/)
 *
 * Licensed 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 nz.net.ultraq.groovy.extensions

/**
 * Extensions to IO classes that support the {@link DataInput} interface.
 *
 * @author Emanuel Rabina
 */
class DataInputExtensions {

	/**
	 * Read up to the specified number of bytes, returning them in a {@code byte[]}.
	 *
	 * @param self
	 * @param length
	 * @return
	 */
	static byte[] readBytes(DataInput self, int length) {

		def bytes = new byte[length]
		self.readFully(bytes)
		return bytes
	}
}