com.vmware.appfactory.fileshare.dto.ApplicationInfoDelta.java Source code

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Here is the source code for com.vmware.appfactory.fileshare.dto.ApplicationInfoDelta.java

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/* ***********************************************************************
 * VMware ThinApp Factory
 * Copyright (c) 2009-2013 VMware, Inc. All Rights Reserved.
 *
 * 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.
 * ***********************************************************************/

package com.vmware.appfactory.fileshare.dto;

import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.springframework.util.StringUtils;

import com.vmware.appfactory.application.model.AppInstall;
import com.vmware.appfactory.application.model.Application;
import com.vmware.thinapp.common.util.AfCalendar;

/**
 * A DTO to hold application info delta from a file share add request.
 *
 * @author saung
 * @since M7 7/22/2011
 */
public class ApplicationInfoDelta {
    private String _key;
    private String _name;
    private String _version;
    private String _vendor;
    private String _revision;
    private String _lang;
    private String _installCommand;

    /**
     * Default constructor
     */
    public ApplicationInfoDelta() {
        // do nothing
    }

    /**
     * @return the key
     */
    public String getKey() {
        return _key;
    }

    /**
     * @return the name
     */
    public String getName() {
        return _name;
    }

    /**
     * @return the version
     */
    public String getVersion() {
        return _version;
    }

    /**
     * @return the vendor
     */
    public String getVendor() {
        return _vendor;
    }

    /**
     * @return the revision
     */
    public String getRevision() {
        return _revision;
    }

    /**
     * @return the lang
     */
    public String getLang() {
        return _lang;
    }

    /**
     * @param key the key to set
     */
    public void setKey(String key) {
        _key = key;
    }

    /**
     * @param name the name to set
     */
    public void setName(String name) {
        _name = name;
    }

    /**
     * @param version the version to set
     */
    public void setVersion(String version) {
        _version = version;
    }

    /**
     * @param vendor the vendor to set
     */
    public void setVendor(String vendor) {
        _vendor = vendor;
    }

    /**
     * @param revision the revision to set
     */
    public void setRevision(String revision) {
        _revision = revision;
    }

    /**
     * @param lang the lang to set
     */
    public void setLang(String lang) {
        _lang = lang;
    }

    /**
     * @return the installCommand
     */
    public String getInstallCommand() {
        return _installCommand;
    }

    /**
     * @param installCommand the installCommand to set
     */
    public void setInstallCommand(String installCommand) {
        _installCommand = installCommand;
    }

    /**
     * Copy non-empty instance variables to a
     * given application instance.
     * @param app - an application instance.
     */
    public void copyToApplication(Application app) {
        if (app == null) {
            return;
        }
        if (StringUtils.hasLength(_name)) {
            app.setName(_name);
        }
        if (StringUtils.hasLength(_version)) {
            app.setVersion(_version);
        }
        if (StringUtils.hasLength(_vendor)) {
            app.setVendor(_vendor);
        }
        if (StringUtils.hasLength(_revision)) {
            app.setInstallerRevision(_revision);
        }
        if (StringUtils.hasLength(_lang)) {
            app.setLocale(_lang);
        }
        if (StringUtils.hasLength(_installCommand)) {
            app.setInstalls(new AppInstall(_installCommand));
        }
        // note: if we don't set lastModified, then the value
        //       will be 0 for all Applications in the table.
        //       If the user later adds a second feed without making
        //       any other changes, the second feed will also have
        //       timestamps of 0.  The timestamp here didn't change.
        //       Since the frontend uses the most recent modified timestamp
        //       to tell when it has more AJAX data to load, this means
        //       the user won't see it.
        //
        app.setModified(AfCalendar.Now());
    }

    /**
     * Copy fields of given application to this instance
     * variables.
     * @param app - an application instance.
     */
    public void copyFromApplication(Application app) {
        if (app == null) {
            return;
        }
        if (StringUtils.hasLength(app.getName())) {
            _name = app.getName();
        }
        if (StringUtils.hasLength(app.getVersion())) {
            _version = app.getVersion();
        }
        if (StringUtils.hasLength(app.getVendor())) {
            _vendor = app.getVendor();
        }
        if (StringUtils.hasLength(app.getInstallerRevision())) {
            _revision = app.getInstallerRevision();
        }
        if (StringUtils.hasLength(app.getLocale())) {
            _lang = app.getLocale();
        }
    }

    /**
    * Generate a hash code using just _key field.
    * @see java.lang.Object#hashCode()
    */
    @Override
    public int hashCode() {
        return new HashCodeBuilder(17, 31).append(_key).toHashCode();
    }

    /**
     * Equals is based on _key value.
     */
    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (this == obj) {
            return true;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }

        final ApplicationInfoDelta other = (ApplicationInfoDelta) obj;
        return new EqualsBuilder().append(_key, other._key).isEquals();
    }

}