net.enilink.komma.em.internal.ByteArrayConverter.java Source code

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Here is the source code for net.enilink.komma.em.internal.ByteArrayConverter.java

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/*******************************************************************************
 * Copyright (c) 2009, 2010 Fraunhofer IWU and others.
 * 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:
 *     Fraunhofer IWU - initial API and implementation
 *******************************************************************************/
package net.enilink.komma.em.internal;

import org.apache.commons.codec.binary.Base64;

import com.google.inject.Inject;

import net.enilink.vocab.xmlschema.XMLSCHEMA;
import net.enilink.komma.literals.IConverter;
import net.enilink.komma.core.ILiteral;
import net.enilink.komma.core.ILiteralFactory;
import net.enilink.komma.core.URI;

public class ByteArrayConverter implements IConverter<byte[]> {
    @Inject
    private ILiteralFactory lf;

    @Override
    public byte[] deserialize(String label) {
        return Base64.decodeBase64(label.getBytes());
    }

    @Override
    public URI getDatatype() {
        return XMLSCHEMA.TYPE_BASE64BINARY;
    }

    @Override
    public String getJavaClassName() {
        return byte[].class.getName();
    }

    @Override
    public ILiteral serialize(byte[] data) {
        return lf.createLiteral(new String(Base64.encodeBase64(data)), getDatatype(), null);
    }

    @Override
    public void setDatatype(URI datatype) {
        if (!datatype.equals(getDatatype())) {
            throw new IllegalArgumentException(datatype.toString());
        }
    }
}