com.swdouglass.joid.Association.java Source code

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Here is the source code for com.swdouglass.joid.Association.java

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/*
 * MODIFICATIONS to the original source have been made by
 * Scott Douglass <scott@swdouglass.com>
 *
 * Copyright 2009 Scott Douglass <scott@swdouglass.com>
 * 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.
 *
 * The original copyright notice and license terms are below.
 */
package com.swdouglass.joid;

import java.util.Date;
import java.util.Calendar;
import java.math.BigInteger;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class Association implements java.io.Serializable {

    private final static Log log = LogFactory.getLog(Association.class);
    private static final long serialVersionUID = 9209717219429261893L;
    private Long id;
    private String handle;
    private String secret;
    private Date issuedDate;
    private Long lifetime;
    private String associationType;
    private String error;
    private String sessionType;
    private byte[] encryptedMacKey;
    private BigInteger publicKey;

    public boolean isSuccessful() {
        return (error == null);
    }

    public boolean isEncrypted() {
        return ((AssociationRequest.DH_SHA1.equals(sessionType))
                || (AssociationRequest.DH_SHA256.equals(sessionType)));
    }

    public Long getId() {
        return id;
    }

    public String getSecret() {
        return secret;
    }

    public void setSecret(String secret) {
        this.secret = secret;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getHandle() {
        return handle;
    }

    public void setHandle(String s) {
        this.handle = s;
    }

    public Date getIssuedDate() {
        return issuedDate;
    }

    public void setIssuedDate(Date issuedDate) {
        //SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        //Date tmp = issuedDate;
        //sdf.format(tmp);
        //this.issuedDate = tmp;
        this.issuedDate = issuedDate;
    }

    public Long getLifetime() {
        return lifetime;
    }

    /**
     *
     * @param lifetime in seconds for this association. Expires after.
     */
    public void setLifetime(Long lifetime) {
        this.lifetime = lifetime;
    }

    public String getAssociationType() {
        return associationType;
    }

    public void setAssociationType(String s) {
        this.associationType = s;
    }

    /**
     * Returns a string representation of this association.
     *
     * @return a string representation of this association.
     */
    @Override
    public String toString() {
        StringBuilder s = new StringBuilder();
        s.append("[Association secret=");
        s.append(secret);
        if (encryptedMacKey != null) {
            s.append(", encrypted secret=");
            s.append(Crypto.convertToString(encryptedMacKey));
        }
        if (publicKey != null) {
            s.append(", public key=");
            s.append(Crypto.convertToString(publicKey));
        }
        s.append(", type=");
        s.append(associationType);
        s.append(", issuedDate=");
        s.append(issuedDate);
        s.append("]");
        return s.toString();
    }

    public String getError() {
        return error;
    }

    public String getErrorCode() {
        throw new UnsupportedOperationException("Not supported yet.");
    }

    public void setSessionType(String sessionType) {
        this.sessionType = sessionType;
    }

    public String getSessionType() {
        return sessionType;
    }

    public void setMacKey(byte[] macKey) {
        this.secret = Crypto.convertToString(macKey);
    }

    public byte[] getMacKey() {
        return Crypto.convertToBytes(secret);
    }

    public void setEncryptedMacKey(byte[] b) {
        encryptedMacKey = b;
    }

    public byte[] getEncryptedMacKey() {
        return encryptedMacKey;
    }

    public void setPublicDhKey(BigInteger pk) {
        publicKey = pk;
    }

    public BigInteger getPublicDhKey() {
        return publicKey;
    }

    public boolean hasExpired() {
        Calendar now = Calendar.getInstance();
        Calendar expired = Calendar.getInstance();
        expired.setTime(issuedDate);
        expired.add(Calendar.SECOND, lifetime.intValue());
        if (log.isDebugEnabled()) {
            log.debug("now: " + now.toString());
            log.debug("issuedDate: " + issuedDate.toString());
            log.debug("expired: " + expired.toString());
            log.debug("now.after(expired): " + now.after(expired));
        }
        return now.after(expired);
    }
}