com.vmware.appfactory.application.model.AppInstall.java Source code

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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.application.model;

import javax.persistence.Entity;
import javax.validation.constraints.NotNull;

import org.apache.commons.lang.StringUtils;
import org.codehaus.jackson.map.annotate.JsonSerialize;

import com.vmware.appfactory.common.base.AbstractRecord;

/**
 * Class to describe the install instructions for an application from a feed.
 */
@Entity
@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)
public class AppInstall extends AbstractRecord {
    @NotNull
    private String _command;

    /**
     * Create a new AfAppInstall instance.
     */
    public AppInstall() {
        /* Nothing to do */
    }

    /**
     * Create an instance with a given command.
     * @param command
     */
    public AppInstall(String command) {
        _command = command;
    }

    /**
     * Set the installer command.
     * Cannot be null.
     *
     * @param command
     */
    public void setCommand(String command) {
        if (command == null) {
            throw new IllegalArgumentException("AfAppInstall command cannot be null!");
        }

        _command = command.trim();
    }

    /**
     * Get the installer command.
     * Will not be null.
     *
     * @return
     */
    public String getCommand() {
        return _command;
    }

    @Override
    public int deepCopy(AbstractRecord record) {
        AppInstall other = (AppInstall) record;
        int numChanges = 0;

        if (!StringUtils.equals(getCommand(), other.getCommand())) {
            setCommand(other.getCommand());
            numChanges++;
        }

        return numChanges;
    }

    @Override
    public AppInstall clone() {
        AppInstall clone = new AppInstall();
        clone._command = _command;
        return clone;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }

        if (obj == this) {
            return true;
        }

        if (!(obj instanceof AppInstall)) {
            return false;
        }

        AppInstall other = (AppInstall) obj;
        return _command.equals(other._command);
    }

    @Override
    public int hashCode() {
        return _command.hashCode();
    }
}