org.prot.storage.Key.java Source code

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Here is the source code for org.prot.storage.Key.java

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/*******************************************************************************
 * Copyright (c) 2010 Andreas Wolke.
 * 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:
 *    Andreas Wolke - initial API and implementation and initial documentation
 *******************************************************************************/
package org.prot.storage;

import java.io.Serializable;

import org.apache.commons.codec.binary.Base64;
import org.apache.hadoop.hbase.util.Bytes;

public class Key implements Serializable, Comparable<Key> {
    private static final long serialVersionUID = -1077956197302875365L;

    byte[] key = null;

    public Key() {
        // Empty constructor is required
    }

    public Key(String key) {
        this(key, false);
    }

    public Key(String key, boolean isCompact) {
        if (!isCompact) {
            this.key = Base64.decodeBase64(key.getBytes());
        } else {
            this.key = Base64.decodeBase64(key.getBytes());
        }
    }

    public byte[] getKey() {
        return key;
    }

    public void setKey(byte[] key) {
        this.key = key;
    }

    public boolean equals(Object obj) {
        // Check if its this object
        if (obj == this)
            return true;

        // Check if its the correct instance
        if (!(obj instanceof Key))
            return false;

        // Compare the byte array
        Key key = (Key) obj;
        return Bytes.equals(this.key, key.getKey());
    }

    public int hashCode() {
        if (key == null)
            return 0;

        return key.hashCode();
    }

    public String toCompactString() {
        return new String(Base64.encodeBase64(this.key));
    }

    public String toString() {
        if (key == null)
            return "";

        // URL-Safe encoding
        return new String(Base64.encodeBase64(key, true));
    }

    @Override
    public int compareTo(Key o) {
        return Bytes.compareTo(this.key, o.getKey());
    }
}