de.dentrassi.pm.maven.ByteArrayAdapter.java Source code

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Here is the source code for de.dentrassi.pm.maven.ByteArrayAdapter.java

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/*******************************************************************************
 * Copyright (c) 2015 IBH SYSTEMS GmbH.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBH SYSTEMS GmbH - initial API and implementation
 *******************************************************************************/
package de.dentrassi.pm.maven;

import java.io.IOException;
import java.util.Base64;

import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonWriter;

public class ByteArrayAdapter extends TypeAdapter<byte[]> {

    @Override
    public byte[] read(final JsonReader reader) throws IOException {
        if (reader.peek() == JsonToken.NULL) {
            reader.nextNull();
            return null;
        }

        final String data = reader.nextString();

        return Base64.getDecoder().decode(data);
    }

    @Override
    public void write(final JsonWriter writer, final byte[] data) throws IOException {
        if (data == null) {
            writer.nullValue();
        } else {
            writer.value(Base64.getEncoder().encodeToString(data));
        }
    }

}