com.leclercb.commons.api.license.License.java Source code

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Here is the source code for com.leclercb.commons.api.license.License.java

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/*
 * TaskUnifier
 * Copyright (c) 2013, Benjamin Leclerc
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 
 *   - Neither the name of TaskUnifier or the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.leclercb.commons.api.license;

import java.io.StringWriter;
import java.util.Calendar;

import org.apache.commons.io.IOUtils;

import com.leclercb.commons.api.license.exceptions.LicenseException;
import com.leclercb.commons.api.license.exceptions.LicenseExpiredException;
import com.leclercb.commons.api.license.exceptions.LicenseVersionExpiredException;
import com.leclercb.commons.api.properties.PropertyMap;
import com.leclercb.commons.api.utils.CheckUtils;

public class License {

    private static LicenseValidator LICENSE_VALIDATOR;

    public static License parseLicense(String license) throws Exception {
        PropertyMap p = new PropertyMap();
        p.load(IOUtils.toInputStream(license));

        License l = new License();
        l.setProperties(p);

        return l;
    }

    public static void setLicenseValidator(LicenseValidator validator) {
        LICENSE_VALIDATOR = validator;
    }

    private PropertyMap properties;

    public License() {
        this(LicenseType.TRIAL);
    }

    public License(LicenseType licenseType) {
        this.setProperties(new PropertyMap());

        this.setLicenseType(licenseType);
    }

    public String getFirstName() {
        return this.properties.getStringProperty("first_name", null);
    }

    public void setFirstName(String firstName) {
        this.properties.setStringProperty("first_name", firstName);
    }

    public String getLastName() {
        return this.properties.getStringProperty("last_name", null);
    }

    public void setLastName(String lastName) {
        this.properties.setStringProperty("last_name", lastName);
    }

    public String getEmail() {
        return this.properties.getStringProperty("email", null);
    }

    public void setEmail(String email) {
        this.properties.setStringProperty("email", email);
    }

    public Calendar getPurchaseDate() {
        return this.properties.getCalendarProperty("purchase_date", null);
    }

    public void setPurchaseDate(Calendar purchaseDate) {
        this.properties.setCalendarProperty("purchase_date", purchaseDate);
    }

    public LicenseType getLicenseType() {
        return this.properties.getEnumProperty("license_type", LicenseType.class, null);
    }

    public void setLicenseType(LicenseType licenseType) {
        CheckUtils.isNotNull(licenseType);
        this.properties.setEnumProperty("license_type", LicenseType.class, licenseType);
    }

    public String getVersion() {
        return this.properties.getStringProperty("version", null);
    }

    public void setVersion(String version) {
        this.properties.setStringProperty("version", version);
    }

    public Calendar getExpiration() {
        return this.properties.getCalendarProperty("expiration", null);
    }

    public void setExpiration(Calendar expiration) {
        this.properties.setCalendarProperty("expiration", expiration);
    }

    public String getReference() {
        return this.properties.getStringProperty("reference", null);
    }

    public void setReference(String reference) {
        this.properties.setStringProperty("reference", reference);
    }

    public String getProperty(String key) {
        return this.properties.getStringProperty(key, null);
    }

    public void setProperty(String key, String value) {
        this.properties.setStringProperty(key, value);
    }

    private void setProperties(PropertyMap properties) {
        this.properties = properties;
    }

    public void validate(Calendar currentDate, String currentVersion) throws LicenseException {
        this.validateExpiration(currentDate);
        this.validateVersion(currentVersion);

        if (LICENSE_VALIDATOR != null)
            LICENSE_VALIDATOR.validate(this);
    }

    protected void validateExpiration(Calendar currentDate) throws LicenseExpiredException {
        CheckUtils.isNotNull(currentDate);

        if (this.getExpiration() != null && currentDate.after(this.getExpiration())) {
            throw new LicenseExpiredException();
        }
    }

    protected void validateVersion(String currentVersion) throws LicenseVersionExpiredException {
        CheckUtils.isNotNull(currentVersion);

        if (this.getVersion() != null && this.getVersion().length() != 0
                && !currentVersion.startsWith(this.getVersion())) {
            throw new LicenseVersionExpiredException();
        }
    }

    public String licenseToString() throws Exception {
        StringWriter writer = new StringWriter();
        this.properties.store(writer, null);

        return writer.toString();
    }

}