org.jboss.forge.addon.git.ui.GitCloneCommandImpl.java Source code

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Here is the source code for org.jboss.forge.addon.git.ui.GitCloneCommandImpl.java

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/**
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Eclipse Public License version 1.0, available at
 * http://www.eclipse.org/legal/epl-v10.html
 */
package org.jboss.forge.addon.git.ui;

import org.eclipse.jgit.api.CloneCommand;
import org.eclipse.jgit.api.Git;
import org.jboss.forge.addon.resource.DirectoryResource;
import org.jboss.forge.addon.ui.context.UIBuilder;
import org.jboss.forge.addon.ui.context.UIContext;
import org.jboss.forge.addon.ui.context.UIExecutionContext;
import org.jboss.forge.addon.ui.context.UIValidationContext;
import org.jboss.forge.addon.ui.input.UIInput;
import org.jboss.forge.addon.ui.metadata.UICommandMetadata;
import org.jboss.forge.addon.ui.result.Result;
import org.jboss.forge.addon.ui.result.Results;
import org.jboss.forge.addon.ui.util.Metadata;

/**
 * @author <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
 * @author <a href="mailto:jevgeni.zelenkov@gmail.com">Jevgeni Zelenkov</a>
 * 
 */
public class GitCloneCommandImpl extends AbstractGitCommand implements GitCloneCommand {

    private UIInput<String> uri;
    private UIInput<DirectoryResource> targetDirectory;

    @Override
    public UICommandMetadata getMetadata(UIContext context) {
        return Metadata.from(super.getMetadata(context), this.getClass()).name("Git: Clone")
                .description("Clone a GIT repository");
    }

    @Override
    public void initializeUI(UIBuilder builder) throws Exception {
        this.uri = getInputComponentFactory().createInput("uri", String.class).setLabel("URI")
                .setDescription("Git repository URI").setRequired(true);
        this.targetDirectory = getInputComponentFactory().createInput("targetDirectory", DirectoryResource.class)
                .setLabel("Target directory").setRequired(true);
        builder.add(uri).add(targetDirectory);
    }

    @Override
    public Result execute(UIExecutionContext context) throws Exception {
        DirectoryResource cloneFolder = targetDirectory.getValue();
        if (!cloneFolder.exists()) {
            cloneFolder.mkdirs();
        }
        Git clone = null;
        try {
            CloneCommand cloneCommand = Git.cloneRepository().setURI(uri.getValue())
                    .setDirectory(cloneFolder.getUnderlyingResourceObject());
            cloneCommand.setProgressMonitor(new ProgressMonitorAdapter(context.getProgressMonitor()));
            clone = cloneCommand.call();
        } finally {
            getGitUtils().close(clone);
        }
        context.getUIContext().setSelection(cloneFolder);
        return Results.success();
    }

    @Override
    public void validate(UIValidationContext validator) {
        DirectoryResource folder = targetDirectory.getValue();
        if (folder == null || (folder.exists() && (!folder.isDirectory() || !folder.listResources().isEmpty()))) {
            validator.addValidationError(targetDirectory,
                    "The specified target directory should not exist or should be empty directory");
        }
    }

    @Override
    protected boolean isProjectRequired() {
        return false;
    }
}