UpdateElement.java :  » IDE-Netbeans » autoupdate » org » netbeans » api » autoupdate » Java Open Source

Java Open Source » IDE Netbeans » autoupdate 
autoupdate » org » netbeans » api » autoupdate » UpdateElement.java
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
 * License. You can obtain a copy of the License at
 * http://www.netbeans.org/cddl-gplv2.html
 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
 * specific language governing permissions and limitations under the
 * License.  When distributing the software, include this License Header
 * Notice in each file and include the License file at
 * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Sun in the GPL Version 2 section of the License file that
 * accompanied this code. If applicable, add the following below the
 * License Header, with the fields enclosed by brackets [] replaced by
 * your own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 *
 * Contributor(s):
 *
 * The Original Software is NetBeans. The Initial Developer of the Original
 * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
 * Microsystems, Inc. All Rights Reserved.
 *
 * If you wish your version of this file to be governed by only the CDDL
 * or only the GPL Version 2, indicate your decision by adding
 * "[Contributor] elects to include this software in this distribution
 * under the [CDDL or GPL Version 2] license." If you do not indicate a
 * single choice of license, a recipient has the option to distribute
 * your version of this file under either the CDDL, the GPL Version 2 or
 * to extend the choice of license to its licensees as provided above.
 * However, if you add GPL Version 2 code and therefore, elected the GPL
 * Version 2 license, then the option applies only if the new code is
 * made subject to such option by the copyright holder.
 */

package org.netbeans.api.autoupdate;

import java.util.List;
import org.netbeans.modules.autoupdate.services.UpdateElementImpl;
import org.netbeans.api.autoupdate.UpdateUnitProvider.CATEGORY;

/** Instances provided by the <code>UpdateUnit</code> which represents specific version
 * of update (e.g. module or feature). The <code>UpdateElement</code> can be installed,
 * available on a remote server or stored in backup.
 * 
 * @author Jiri Rechtacek (jrechtacek@netbeans.org)
 */
public final class UpdateElement {
    final UpdateElementImpl impl;
    
    UpdateElement (UpdateElementImpl elementImpl) {
        if (elementImpl == null) {
            throw new IllegalArgumentException ("UpdateElementImpl cannot be null while creating UpdateElement.");
        }
        this.impl = elementImpl;
    }
    
    /** Returns <code>UpdateUnit</code> where is this <code>UpdateElement</code> contained.
     * 
     * @return UpdateUnit in which belongs to
     */
    public UpdateUnit getUpdateUnit () {
        assert impl.getUpdateUnit () != null : "UpdateUnit for UpdateElement " + this + " is not null.";
        return impl.getUpdateUnit ();
    }
   
    /** Returns the code name of the update, sans release version.
     * 
     * @return code name of the update
     */
    public String getCodeName () {
        return impl.getCodeName ();
    }
    
    /** Returns the display name of the update, displaying in UI to end users.
     * 
     * @return display name
     */
    public String getDisplayName () {
        return impl.getDisplayName ();
    }
    
    /** Returns the specification version.
     * 
     * @return specification version or null
     */
    public String getSpecificationVersion () {
        return impl.getSpecificationVersion ().toString ();
    }
    
    /** Returns if the <code>UpdateElement</code> is active in the system.
     * 
     * @return true of UpdateElement is active
     */
    public boolean isEnabled () {
        return impl.isEnabled ();
    }
    
    /** Returns the description of update, displaying in UI to end users.
     * 
     * @return description
     */
    public String getDescription () {
        return impl.getDescription ();
    }
    
    /** Returns the special notification text of update.
     * 
     * @return notification text or null
     */
    public String getNotification () {
        return impl.getNotification();
    }
    
    /** Returns name of <code>UpdateProvider</code>
     * 
     * @return name of UpdateProvider
     */
    public String getSource () {
        return impl.getSource ();
    }

    /**
     * @return <code>UpdateUnitProvider.CATEGORY</code> for a quality classification 
     * for update represented by this instance
     */
    public CATEGORY getSourceCategory () {
        UpdateUnitProvider provider = getUpdateUnitProvider();
        return (provider != null) ? provider.getCategory() : CATEGORY.COMMUNITY;
    }
    
    private UpdateUnitProvider getUpdateUnitProvider() {
        String source = getSource();
        UpdateUnitProvider retval = null;
        List<UpdateUnitProvider> providers = UpdateUnitProviderFactory.getDefault().getUpdateUnitProviders(false);
        for (UpdateUnitProvider updateUnitProvider : providers) {
            if (updateUnitProvider.getDisplayName().equals(source)) {
                retval = updateUnitProvider;
            }
        }
        return retval;
    }
    
    /** Returns name of the author of the update element.
     * 
     * @return name or null
     */
    public String getAuthor () {
        return impl.getAuthor ();
    }
    
    /** Returns the <code>String</code> representation of <code>URL</code>.
     * 
     * @return String or null
     */
    public String getHomepage () {
        return impl.getHomepage ();
    }
    
    /** Returns size of <code>UpdateElement</code> in Bytes.
     * 
     * @return size
     */
    public int getDownloadSize () {
        return impl.getDownloadSize ();
    }
    
    /** Returns display name of category where <code>UpdateElement</code> belongs to.
     * 
     * @return name of category
     */
    public String getCategory () {
        return impl.getCategory ();
    }

    /** Returns date when <code>UpdateElement</code> was published or install time
     * if the <code>UpdateElement</code> is installed already. Can return null
     * if the date is unknown.
     * 
     * @return date in format "yyyy/MM/dd" or null
     */
    public String getDate () {
        return impl.getDate ();
    }

    /** Returns text of license agreement if the <code>UpdateElement</code> has a copyright.
     * 
     * @return String or null
     */
    public String getLicence () {                
        return impl.getLicence ();
    }
    
    @Override
    public boolean equals(Object obj) {
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        final UpdateElement other = (UpdateElement) obj;

        if (this.impl != other.impl &&
            (this.impl == null || !this.impl.equals(other.impl)))
            return false;
        return true;
    }

    @Override
    public int hashCode() {
        int hash = 3;

        hash = 53 * hash + (this.impl != null ? this.impl.hashCode()
                                              : 0);
        return hash;
    }
    
    @Override
    public String toString () {
        return impl.getDisplayName() + "[" + impl.getCodeName () + "/" + impl.getSpecificationVersion () + "]";
    }
}

java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.