ch.epfl.eagle.daemon.util.Serialization.java Source code

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Here is the source code for ch.epfl.eagle.daemon.util.Serialization.java

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/*
 * EAGLE 
 *
 * Copyright 2016 Operating Systems Laboratory EPFL
 *
 * Modified from Sparrow - University of California, Berkeley 
 * 
 * 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 ch.epfl.eagle.daemon.util;

import java.net.InetSocketAddress;
import java.nio.ByteBuffer;

import com.google.common.base.Optional;

/** Utility functions for serializing data types to/from string representation .**/
public class Serialization {
    public static Optional<InetSocketAddress> strToSocket(String in) {
        String[] parts = in.split(":");
        if (parts.length != 2) {
            return Optional.absent();
        }
        String host = parts[0];
        // This deals with the wonky way Java InetAddress toString() represents an address:
        // "hostname/IP"
        if (parts[0].contains("/")) {
            host = parts[0].split("/")[1];
        }
        try {
            return Optional.of(new InetSocketAddress(host, Integer.parseInt(parts[1])));
        } catch (NumberFormatException e) {
            return Optional.absent();
        }
    }

    public static byte[] getByteBufferContents(ByteBuffer buffer) {
        byte[] out = new byte[buffer.limit() - buffer.position()];
        buffer.get(out);
        return out;
    }
}