org.shaf.shell.action.AbstractAction.java Source code

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Here is the source code for org.shaf.shell.action.AbstractAction.java

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/**
 * Copyright 2014-2015 SHAF-WORK
 * 
 * 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 org.shaf.shell.action;

import org.shaf.client.net.ClientException;

import com.google.common.collect.Sets;

/**
 * The {@code AbstractAction} should be extended by any class interested in
 * providing specific functionality for performing command actions.
 * 
 * @author Mykola Galushka
 */
public abstract class AbstractAction implements Action {

    protected final void validateNumberOfArgument(final String[] args, final int num) {
        if (args.length < num)
            throw new IllegalArgumentException("arguments number < " + num);
    }

    protected final boolean isProcessAvailable(final ActionContext context, final String command)
            throws ClientException {
        return Sets.newHashSet(context.getController().listProcesses().getTable().getColumn(0)).contains(command);
    }

    protected final boolean isJobAvailable(final ActionContext context, final String id) throws ClientException {
        return Sets.newHashSet(context.getController().listJobs().getTable().getColumn(0)).contains(id);
    }

    protected final boolean isUploadAvailable(final ActionContext context, final String alias)
            throws ClientException {
        return Sets.newHashSet(context.getController().listUploads().getTable().getColumn(0)).contains(alias);
    }

    protected final boolean isDownloadAvailable(final ActionContext context, final String alias)
            throws ClientException {
        return Sets.newHashSet(context.getController().listDownloads().getTable().getColumn(0)).contains(alias);
    }
}